buildable zstd in cosmopolitan

This commit is contained in:
Farid Zakaria 2023-06-26 21:22:07 +00:00
parent bde4318925
commit 32028f01a2
376 changed files with 2106 additions and 62765 deletions

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@ -181,6 +181,7 @@ include third_party/maxmind/maxmind.mk
include net/finger/finger.mk
include third_party/double-conversion/test/test.mk
include third_party/lua/lua.mk
include third_party/zstd/zstd.mk
include third_party/tr/tr.mk
include third_party/sed/sed.mk
include third_party/awk/awk.mk

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@ -39,4 +39,5 @@ o/$(MODE)/third_party: \
o/$(MODE)/third_party/vqsort \
o/$(MODE)/third_party/xed \
o/$(MODE)/third_party/zip \
o/$(MODE)/third_party/zstd \
o/$(MODE)/third_party/zlib

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@ -1,3 +1,4 @@
// clang-format off
v1.5.5 (Apr 2023)
fix: fix rare corruption bug affecting the high compression mode, reported by @danlark1 (#3517, @terrelln)
perf: improve mid-level compression speed (#3529, #3533, #3543, @yoniko and #3552, @terrelln)

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@ -1,3 +1,4 @@
// clang-format off
# Code of Conduct
Facebook has adopted a Code of Conduct that we expect project participants to adhere to.

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@ -1,489 +0,0 @@
# Contributing to Zstandard
We want to make contributing to this project as easy and transparent as
possible.
## Our Development Process
New versions are being developed in the "dev" branch,
or in their own feature branch.
When they are deemed ready for a release, they are merged into "release".
As a consequence, all contributions must stage first through "dev"
or their own feature branch.
## Pull Requests
We actively welcome your pull requests.
1. Fork the repo and create your branch from `dev`.
2. If you've added code that should be tested, add tests.
3. If you've changed APIs, update the documentation.
4. Ensure the test suite passes.
5. Make sure your code lints.
6. If you haven't already, complete the Contributor License Agreement ("CLA").
## Contributor License Agreement ("CLA")
In order to accept your pull request, we need you to submit a CLA. You only need
to do this once to work on any of Facebook's open source projects.
Complete your CLA here: <https://code.facebook.com/cla>
## Workflow
Zstd uses a branch-based workflow for making changes to the codebase. Typically, zstd
will use a new branch per sizable topic. For smaller changes, it is okay to lump multiple
related changes into a branch.
Our contribution process works in three main stages:
1. Local development
* Update:
* Checkout your fork of zstd if you have not already
```
git checkout https://github.com/<username>/zstd
cd zstd
```
* Update your local dev branch
```
git pull https://github.com/facebook/zstd dev
git push origin dev
```
* Topic and development:
* Make a new branch on your fork about the topic you're developing for
```
# branch names should be concise but sufficiently informative
git checkout -b <branch-name>
git push origin <branch-name>
```
* Make commits and push
```
# make some changes =
git add -u && git commit -m <message>
git push origin <branch-name>
```
* Note: run local tests to ensure that your changes didn't break existing functionality
* Quick check
```
make shortest
```
* Longer check
```
make test
```
2. Code Review and CI tests
* Ensure CI tests pass:
* Before sharing anything to the community, create a pull request in your own fork against the dev branch
and make sure that all GitHub Actions CI tests pass. See the Continuous Integration section below for more information.
* Ensure that static analysis passes on your development machine. See the Static Analysis section
below to see how to do this.
* Create a pull request:
* When you are ready to share you changes to the community, create a pull request from your branch
to facebook:dev. You can do this very easily by clicking 'Create Pull Request' on your fork's home
page.
* From there, select the branch where you made changes as your source branch and facebook:dev
as the destination.
* Examine the diff presented between the two branches to make sure there is nothing unexpected.
* Write a good pull request description:
* While there is no strict template that our contributors follow, we would like them to
sufficiently summarize and motivate the changes they are proposing. We recommend all pull requests,
at least indirectly, address the following points.
* Is this pull request important and why?
* Is it addressing an issue? If so, what issue? (provide links for convenience please)
* Is this a new feature? If so, why is it useful and/or necessary?
* Are there background references and documents that reviewers should be aware of to properly assess this change?
* Note: make sure to point out any design and architectural decisions that you made and the rationale behind them.
* Note: if you have been working with a specific user and would like them to review your work, make sure you mention them using (@<username>)
* Submit the pull request and iterate with feedback.
3. Merge and Release
* Getting approval:
* You will have to iterate on your changes with feedback from other collaborators to reach a point
where your pull request can be safely merged.
* To avoid too many comments on style and convention, make sure that you have a
look at our style section below before creating a pull request.
* Eventually, someone from the zstd team will approve your pull request and not long after merge it into
the dev branch.
* Housekeeping:
* Most PRs are linked with one or more Github issues. If this is the case for your PR, make sure
the corresponding issue is mentioned. If your change 'fixes' or completely addresses the
issue at hand, then please indicate this by requesting that an issue be closed by commenting.
* Just because your changes have been merged does not mean the topic or larger issue is complete. Remember
that the change must make it to an official zstd release for it to be meaningful. We recommend
that contributors track the activity on their pull request and corresponding issue(s) page(s) until
their change makes it to the next release of zstd. Users will often discover bugs in your code or
suggest ways to refine and improve your initial changes even after the pull request is merged.
## Static Analysis
Static analysis is a process for examining the correctness or validity of a program without actually
executing it. It usually helps us find many simple bugs. Zstd uses clang's `scan-build` tool for
static analysis. You can install it by following the instructions for your OS on https://clang-analyzer.llvm.org/scan-build.
Once installed, you can ensure that our static analysis tests pass on your local development machine
by running:
```
make staticAnalyze
```
In general, you can use `scan-build` to static analyze any build script. For example, to static analyze
just `contrib/largeNbDicts` and nothing else, you can run:
```
scan-build make -C contrib/largeNbDicts largeNbDicts
```
### Pitfalls of static analysis
`scan-build` is part of our regular CI suite. Other static analyzers are not.
It can be useful to look at additional static analyzers once in a while (and we do), but it's not a good idea to multiply the nb of analyzers run continuously at each commit and PR. The reasons are :
- Static analyzers are full of false positive. The signal to noise ratio is actually pretty low.
- A good CI policy is "zero-warning tolerance". That means that all issues must be solved, including false positives. This quickly becomes a tedious workload.
- Multiple static analyzers will feature multiple kind of false positives, sometimes applying to the same code but in different ways leading to :
+ tortuous code, trying to please multiple constraints, hurting readability and therefore maintenance. Sometimes, such complexity introduce other more subtle bugs, that are just out of scope of the analyzers.
+ sometimes, these constraints are mutually exclusive : if one try to solve one, the other static analyzer will complain, they can't be both happy at the same time.
- As if that was not enough, the list of false positives change with each version. It's hard enough to follow one static analyzer, but multiple ones with their own update agenda, this quickly becomes a massive velocity reducer.
This is different from running a static analyzer once in a while, looking at the output, and __cherry picking__ a few warnings that seem helpful, either because they detected a genuine risk of bug, or because it helps expressing the code in a way which is more readable or more difficult to misuse. These kinds of reports can be useful, and are accepted.
## Continuous Integration
CI tests run every time a pull request (PR) is created or updated. The exact tests
that get run will depend on the destination branch you specify. Some tests take
longer to run than others. Currently, our CI is set up to run a short
series of tests when creating a PR to the dev branch and a longer series of tests
when creating a PR to the release branch. You can look in the configuration files
of the respective CI platform for more information on what gets run when.
Most people will just want to create a PR with the destination set to their local dev
branch of zstd. You can then find the status of the tests on the PR's page. You can also
re-run tests and cancel running tests from the PR page or from the respective CI's dashboard.
Almost all of zstd's CI runs on GitHub Actions (configured at `.github/workflows`), which will automatically run on PRs to your
own fork. A small number of tests run on other services (e.g. Travis CI, Circle CI, Appveyor).
These require work to set up on your local fork, and (at least for Travis CI) cost money.
Therefore, if the PR on your local fork passes GitHub Actions, feel free to submit a PR
against the main repo.
### Third-party CI
A small number of tests cannot run on GitHub Actions, or have yet to be migrated.
For these, we use a variety of third-party services (listed below). It is not necessary to set
these up on your fork in order to contribute to zstd; however, we do link to instructions for those
who want earlier signal.
| Service | Purpose | Setup Links | Config Path |
|-----------|------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------|
| Travis CI | Used for testing on non-x86 architectures such as PowerPC | https://docs.travis-ci.com/user/tutorial/#to-get-started-with-travis-ci-using-github <br> https://github.com/marketplace/travis-ci | `.travis.yml` |
| AppVeyor | Used for some Windows testing (e.g. cygwin, mingw) | https://www.appveyor.com/blog/2018/10/02/github-apps-integration/ <br> https://github.com/marketplace/appveyor | `appveyor.yml` |
| Cirrus CI | Used for testing on FreeBSD | https://github.com/marketplace/cirrus-ci/ | `.cirrus.yml` |
| Circle CI | Historically was used to provide faster signal,<br/> but we may be able to migrate these to Github Actions | https://circleci.com/docs/2.0/getting-started/#setting-up-circleci <br> https://youtu.be/Js3hMUsSZ2c <br> https://circleci.com/docs/2.0/enable-checks/ | `.circleci/config.yml` |
Note: the instructions linked above mostly cover how to set up a repository with CI from scratch.
The general idea should be the same for setting up CI on your fork of zstd, but you may have to
follow slightly different steps. In particular, please ignore any instructions related to setting up
config files (since zstd already has configs for each of these services).
## Performance
Performance is extremely important for zstd and we only merge pull requests whose performance
landscape and corresponding trade-offs have been adequately analyzed, reproduced, and presented.
This high bar for performance means that every PR which has the potential to
impact performance takes a very long time for us to properly review. That being said, we
always welcome contributions to improve performance (or worsen performance for the trade-off of
something else). Please keep the following in mind before submitting a performance related PR:
1. Zstd isn't as old as gzip but it has been around for time now and its evolution is
very well documented via past Github issues and pull requests. It may be the case that your
particular performance optimization has already been considered in the past. Please take some
time to search through old issues and pull requests using keywords specific to your
would-be PR. Of course, just because a topic has already been discussed (and perhaps rejected
on some grounds) in the past, doesn't mean it isn't worth bringing up again. But even in that case,
it will be helpful for you to have context from that topic's history before contributing.
2. The distinction between noise and actual performance gains can unfortunately be very subtle
especially when microbenchmarking extremely small wins or losses. The only remedy to getting
something subtle merged is extensive benchmarking. You will be doing us a great favor if you
take the time to run extensive, long-duration, and potentially cross-(os, platform, process, etc)
benchmarks on your end before submitting a PR. Of course, you will not be able to benchmark
your changes on every single processor and os out there (and neither will we) but do that best
you can:) We've added some things to think about when benchmarking below in the Benchmarking
Performance section which might be helpful for you.
3. Optimizing performance for a certain OS, processor vendor, compiler, or network system is a perfectly
legitimate thing to do as long as it does not harm the overall performance health of Zstd.
This is a hard balance to strike but please keep in mind other aspects of Zstd when
submitting changes that are clang-specific, windows-specific, etc.
## Benchmarking Performance
Performance microbenchmarking is a tricky subject but also essential for Zstd. We value empirical
testing over theoretical speculation. This guide it not perfect but for most scenarios, it
is a good place to start.
### Stability
Unfortunately, the most important aspect in being able to benchmark reliably is to have a stable
benchmarking machine. A virtual machine, a machine with shared resources, or your laptop
will typically not be stable enough to obtain reliable benchmark results. If you can get your
hands on a desktop, this is usually a better scenario.
Of course, benchmarking can be done on non-hyper-stable machines as well. You will just have to
do a little more work to ensure that you are in fact measuring the changes you've made not and
noise. Here are some things you can do to make your benchmarks more stable:
1. The most simple thing you can do to drastically improve the stability of your benchmark is
to run it multiple times and then aggregate the results of those runs. As a general rule of
thumb, the smaller the change you are trying to measure, the more samples of benchmark runs
you will have to aggregate over to get reliable results. Here are some additional things to keep in
mind when running multiple trials:
* How you aggregate your samples are important. You might be tempted to use the mean of your
results. While this is certainly going to be a more stable number than a raw single sample
benchmark number, you might have more luck by taking the median. The mean is not robust to
outliers whereas the median is. Better still, you could simply take the fastest speed your
benchmark achieved on each run since that is likely the fastest your process will be
capable of running your code. In our experience, this (aggregating by just taking the sample
with the fastest running time) has been the most stable approach.
* The more samples you have, the more stable your benchmarks should be. You can verify
your improved stability by looking at the size of your confidence intervals as you
increase your sample count. These should get smaller and smaller. Eventually hopefully
smaller than the performance win you are expecting.
* Most processors will take some time to get `hot` when running anything. The observations
you collect during that time period will very different from the true performance number. Having
a very large number of sample will help alleviate this problem slightly but you can also
address is directly by simply not including the first `n` iterations of your benchmark in
your aggregations. You can determine `n` by simply looking at the results from each iteration
and then hand picking a good threshold after which the variance in results seems to stabilize.
2. You cannot really get reliable benchmarks if your host machine is simultaneously running
another cpu/memory-intensive application in the background. If you are running benchmarks on your
personal laptop for instance, you should close all applications (including your code editor and
browser) before running your benchmarks. You might also have invisible background applications
running. You can see what these are by looking at either Activity Monitor on Mac or Task Manager
on Windows. You will get more stable benchmark results of you end those processes as well.
* If you have multiple cores, you can even run your benchmark on a reserved core to prevent
pollution from other OS and user processes. There are a number of ways to do this depending
on your OS:
* On linux boxes, you have use https://github.com/lpechacek/cpuset.
* On Windows, you can "Set Processor Affinity" using https://www.thewindowsclub.com/processor-affinity-windows
* On Mac, you can try to use their dedicated affinity API https://developer.apple.com/library/archive/releasenotes/Performance/RN-AffinityAPI/#//apple_ref/doc/uid/TP40006635-CH1-DontLinkElementID_2
3. To benchmark, you will likely end up writing a separate c/c++ program that will link libzstd.
Dynamically linking your library will introduce some added variation (not a large amount but
definitely some). Statically linking libzstd will be more stable. Static libraries should
be enabled by default when building zstd.
4. Use a profiler with a good high resolution timer. See the section below on profiling for
details on this.
5. Disable frequency scaling, turbo boost and address space randomization (this will vary by OS)
6. Try to avoid storage. On some systems you can use tmpfs. Putting the program, inputs and outputs on
tmpfs avoids touching a real storage system, which can have a pretty big variability.
Also check our LLVM's guide on benchmarking here: https://llvm.org/docs/Benchmarking.html
### Zstd benchmark
The fastest signal you can get regarding your performance changes is via the in-build zstd cli
bench option. You can run Zstd as you typically would for your scenario using some set of options
and then additionally also specify the `-b#` option. Doing this will run our benchmarking pipeline
for that options you have just provided. If you want to look at the internals of how this
benchmarking script works, you can check out programs/benchzstd.c
For example: say you have made a change that you believe improves the speed of zstd level 1. The
very first thing you should use to assess whether you actually achieved any sort of improvement
is `zstd -b`. You might try to do something like this. Note: you can use the `-i` option to
specify a running time for your benchmark in seconds (default is 3 seconds).
Usually, the longer the running time, the more stable your results will be.
```
$ git checkout <commit-before-your-change>
$ make && cp zstd zstd-old
$ git checkout <commit-after-your-change>
$ make && cp zstd zstd-new
$ zstd-old -i5 -b1 <your-test-data>
1<your-test-data> : 8990 -> 3992 (2.252), 302.6 MB/s , 626.4 MB/s
$ zstd-new -i5 -b1 <your-test-data>
1<your-test-data> : 8990 -> 3992 (2.252), 302.8 MB/s , 628.4 MB/s
```
Unless your performance win is large enough to be visible despite the intrinsic noise
on your computer, benchzstd alone will likely not be enough to validate the impact of your
changes. For example, the results of the example above indicate that effectively nothing
changed but there could be a small <3% improvement that the noise on the host machine
obscured. So unless you see a large performance win (10-15% consistently) using just
this method of evaluation will not be sufficient.
### Profiling
There are a number of great profilers out there. We're going to briefly mention how you can
profile your code using `instruments` on mac, `perf` on linux and `visual studio profiler`
on Windows.
Say you have an idea for a change that you think will provide some good performance gains
for level 1 compression on Zstd. Typically this means, you have identified a section of
code that you think can be made to run faster.
The first thing you will want to do is make sure that the piece of code is actually taking up
a notable amount of time to run. It is usually not worth optimizing something which accounts for less than
0.0001% of the total running time. Luckily, there are tools to help with this.
Profilers will let you see how much time your code spends inside a particular function.
If your target code snippet is only part of a function, it might be worth trying to
isolate that snippet by moving it to its own function (this is usually not necessary but
might be).
Most profilers (including the profilers discussed below) will generate a call graph of
functions for you. Your goal will be to find your function of interest in this call graph
and then inspect the time spent inside of it. You might also want to look at the annotated
assembly which most profilers will provide you with.
#### Instruments
We will once again consider the scenario where you think you've identified a piece of code
whose performance can be improved upon. Follow these steps to profile your code using
Instruments.
1. Open Instruments
2. Select `Time Profiler` from the list of standard templates
3. Close all other applications except for your instruments window and your terminal
4. Run your benchmarking script from your terminal window
* You will want a benchmark that runs for at least a few seconds (5 seconds will
usually be long enough). This way the profiler will have something to work with
and you will have ample time to attach your profiler to this process:)
* I will just use benchzstd as my benchmarmking script for this example:
```
$ zstd -b1 -i5 <my-data> # this will run for 5 seconds
```
5. Once you run your benchmarking script, switch back over to instruments and attach your
process to the time profiler. You can do this by:
* Clicking on the `All Processes` drop down in the top left of the toolbar.
* Selecting your process from the dropdown. In my case, it is just going to be labeled
`zstd`
* Hitting the bright red record circle button on the top left of the toolbar
6. You profiler will now start collecting metrics from your benchmarking script. Once
you think you have collected enough samples (usually this is the case after 3 seconds of
recording), stop your profiler.
7. Make sure that in toolbar of the bottom window, `profile` is selected.
8. You should be able to see your call graph.
* If you don't see the call graph or an incomplete call graph, make sure you have compiled
zstd and your benchmarking script using debug flags. On mac and linux, this just means
you will have to supply the `-g` flag alone with your build script. You might also
have to provide the `-fno-omit-frame-pointer` flag
9. Dig down the graph to find your function call and then inspect it by double clicking
the list item. You will be able to see the annotated source code and the assembly side by
side.
#### Perf
This wiki has a pretty detailed tutorial on getting started working with perf so we'll
leave you to check that out of you're getting started:
https://perf.wiki.kernel.org/index.php/Tutorial
Some general notes on perf:
* Use `perf stat -r # <bench-program>` to quickly get some relevant timing and
counter statistics. Perf uses a high resolution timer and this is likely one
of the first things your team will run when assessing your PR.
* Perf has a long list of hardware counters that can be viewed with `perf --list`.
When measuring optimizations, something worth trying is to make sure the hardware
counters you expect to be impacted by your change are in fact being so. For example,
if you expect the L1 cache misses to decrease with your change, you can look at the
counter `L1-dcache-load-misses`
* Perf hardware counters will not work on a virtual machine.
#### Visual Studio
TODO
## Issues
We use GitHub issues to track public bugs. Please ensure your description is
clear and has sufficient instructions to be able to reproduce the issue.
Facebook has a [bounty program](https://www.facebook.com/whitehat/) for the safe
disclosure of security bugs. In those cases, please go through the process
outlined on that page and do not file a public issue.
## Coding Style
It's a pretty long topic, which is difficult to summarize in a single paragraph.
As a rule of thumbs, try to imitate the coding style of
similar lines of codes around your contribution.
The following is a non-exhaustive list of rules employed in zstd code base:
### C90
This code base is following strict C90 standard,
with 2 extensions : 64-bit `long long` types, and variadic macros.
This rule is applied strictly to code within `lib/` and `programs/`.
Sub-project in `contrib/` are allowed to use other conventions.
### C++ direct compatibility : symbol mangling
All public symbol declarations must be wrapped in `extern “C” { … }`,
so that this project can be compiled as C++98 code,
and linked into C++ applications.
### Minimal Frugal
This design requirement is fundamental to preserve the portability of the code base.
#### Dependencies
- Reduce dependencies to the minimum possible level.
Any dependency should be considered “bad” by default,
and only tolerated because it provides a service in a better way than can be achieved locally.
The only external dependencies this repository tolerates are
standard C libraries, and in rare cases, system level headers.
- Within `lib/`, this policy is even more drastic.
The only external dependencies allowed are `<assert.h>`, `<stdlib.h>`, `<string.h>`,
and even then, not directly.
In particular, no function shall ever allocate on heap directly,
and must use instead `ZSTD_malloc()` and equivalent.
Other accepted non-symbol headers are `<stddef.h>` and `<limits.h>`.
- Within the project, there is a strict hierarchy of dependencies that must be respected.
`programs/` is allowed to depend on `lib/`, but only its public API.
Within `lib/`, `lib/common` doesn't depend on any other directory.
`lib/compress` and `lib/decompress` shall not depend on each other.
`lib/dictBuilder` can depend on `lib/common` and `lib/compress`, but not `lib/decompress`.
#### Resources
- Functions in `lib/` must use very little stack space,
several dozens of bytes max.
Everything larger must use the heap allocator,
or require a scratch buffer to be emplaced manually.
### Naming
* All public symbols are prefixed with `ZSTD_`
+ private symbols, with a scope limited to their own unit, are free of this restriction.
However, since `libzstd` source code can be amalgamated,
each symbol name must attempt to be (and remain) unique.
Avoid too generic names that could become ground for future collisions.
This generally implies usage of some form of prefix.
* For symbols (functions and variables), naming convention is `PREFIX_camelCase`.
+ In some advanced cases, one can also find :
- `PREFIX_prefix2_camelCase`
- `PREFIX_camelCase_extendedQualifier`
* Multi-words names generally consist of an action followed by object:
- for example : `ZSTD_createCCtx()`
* Prefer positive actions
- `goBackward` rather than `notGoForward`
* Type names (`struct`, etc.) follow similar convention,
except that they are allowed and even invited to start by an Uppercase letter.
Example : `ZSTD_CCtx`, `ZSTD_CDict`
* Macro names are all Capital letters.
The same composition rules (`PREFIX_NAME_QUALIFIER`) apply.
* File names are all lowercase letters.
The convention is `snake_case`.
File names **must** be unique across the entire code base,
even when they stand in clearly separated directories.
### Qualifiers
* This code base is `const` friendly, if not `const` fanatical.
Any variable that can be `const` (aka. read-only) **must** be `const`.
Any pointer which content will not be modified must be `const`.
This property is then controlled at compiler level.
`const` variables are an important signal to readers that this variable isn't modified.
Conversely, non-const variables are a signal to readers to watch out for modifications later on in the function.
* If a function must be inlined, mention it explicitly,
using project's own portable macros, such as `FORCE_INLINE_ATTR`,
defined in `lib/common/compiler.h`.
### Debugging
* **Assertions** are welcome, and should be used very liberally,
to control any condition the code expects for its correct execution.
These assertion checks will be run in debug builds, and disabled in production.
* For traces, this project provides its own debug macros,
in particular `DEBUGLOG(level, ...)`, defined in `lib/common/debug.h`.
### Code documentation
* Avoid code documentation that merely repeats what the code is already stating.
Whenever applicable, prefer employing the code as the primary way to convey explanations.
Example 1 : `int nbTokens = n;` instead of `int i = n; /* i is a nb of tokens *./`.
Example 2 : `assert(size > 0);` instead of `/* here, size should be positive */`.
* At declaration level, the documentation explains how to use the function or variable
and when applicable why it's needed, of the scenarios where it can be useful.
* At implementation level, the documentation explains the general outline of the algorithm employed,
and when applicable why this specific choice was preferred.
### General layout
* 4 spaces for indentation rather than tabs
* Code documentation shall directly precede function declaration or implementation
* Function implementations and its code documentation should be preceded and followed by an empty line
## License
By contributing to Zstandard, you agree that your contributions will be licensed
under both the [LICENSE](LICENSE) file and the [COPYING](COPYING) file in the root directory of this source tree.

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// clang-format off
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991

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// clang-format off
BSD License
For Zstandard software

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# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# You may select, at your option, one of the above-listed licenses.
# ################################################################
# verbose mode (print commands) on V=1 or VERBOSE=1
Q = $(if $(filter 1,$(V) $(VERBOSE)),,@)
PRGDIR = programs
ZSTDDIR = lib
BUILDIR = build
ZWRAPDIR = zlibWrapper
TESTDIR = tests
FUZZDIR = $(TESTDIR)/fuzz
# Define nul output
VOID = /dev/null
# When cross-compiling from linux to windows, you might
# need to specify this as "Windows." Fedora build fails
# without it.
#
# Note: mingw-w64 build from linux to windows does not
# fail on other tested distros (ubuntu, debian) even
# without manually specifying the TARGET_SYSTEM.
TARGET_SYSTEM ?= $(OS)
CP ?= cp
ifneq (,$(filter Windows%,$(TARGET_SYSTEM)))
EXT =.exe
else
EXT =
endif
## default: Build lib-release and zstd-release
.PHONY: default
default: lib-release zstd-release
.PHONY: all
all: allmost examples manual contrib
.PHONY: allmost
allmost: allzstd zlibwrapper
# skip zwrapper, can't build that on alternate architectures without the proper zlib installed
.PHONY: allzstd
allzstd: lib
$(Q)$(MAKE) -C $(PRGDIR) all
$(Q)$(MAKE) -C $(TESTDIR) all
.PHONY: all32
all32:
$(MAKE) -C $(PRGDIR) zstd32
$(MAKE) -C $(TESTDIR) all32
.PHONY: lib lib-release lib-mt lib-nomt
lib lib-release lib-mt lib-nomt:
$(Q)$(MAKE) -C $(ZSTDDIR) $@
.PHONY: zstd zstd-release
zstd zstd-release:
$(Q)$(MAKE) -C $(PRGDIR) $@
$(Q)ln -sf $(PRGDIR)/zstd$(EXT) zstd$(EXT)
.PHONY: zstdmt
zstdmt:
$(Q)$(MAKE) -C $(PRGDIR) $@
$(Q)$(CP) $(PRGDIR)/zstd$(EXT) ./zstdmt$(EXT)
.PHONY: zlibwrapper
zlibwrapper: lib
$(MAKE) -C $(ZWRAPDIR) all
## test: run long-duration tests
.PHONY: test
DEBUGLEVEL ?= 1
test: MOREFLAGS += -g -Werror
test:
DEBUGLEVEL=$(DEBUGLEVEL) MOREFLAGS="$(MOREFLAGS)" $(MAKE) -j -C $(PRGDIR) allVariants
$(MAKE) -C $(TESTDIR) $@
ZSTD=../../programs/zstd $(MAKE) -C doc/educational_decoder $@
## shortest: same as `make check`
.PHONY: shortest
shortest:
$(Q)$(MAKE) -C $(TESTDIR) $@
## check: run basic tests for `zstd` cli
.PHONY: check
check: shortest
.PHONY: automated_benchmarking
automated_benchmarking:
$(MAKE) -C $(TESTDIR) $@
.PHONY: benchmarking
benchmarking: automated_benchmarking
## examples: build all examples in `examples/` directory
.PHONY: examples
examples: lib
$(MAKE) -C examples all
## manual: generate API documentation in html format
.PHONY: manual
manual:
$(MAKE) -C contrib/gen_html $@
## man: generate man page
.PHONY: man
man:
$(MAKE) -C programs $@
## contrib: build all supported projects in `/contrib` directory
.PHONY: contrib
contrib: lib
$(MAKE) -C contrib/pzstd all
$(MAKE) -C contrib/seekable_format/examples all
$(MAKE) -C contrib/seekable_format/tests test
$(MAKE) -C contrib/largeNbDicts all
$(MAKE) -C contrib/externalSequenceProducer all
cd build/single_file_libs/ ; ./build_decoder_test.sh
cd build/single_file_libs/ ; ./build_library_test.sh
.PHONY: cleanTabs
cleanTabs:
cd contrib; ./cleanTabs
.PHONY: clean
clean:
$(Q)$(MAKE) -C $(ZSTDDIR) $@ > $(VOID)
$(Q)$(MAKE) -C $(PRGDIR) $@ > $(VOID)
$(Q)$(MAKE) -C $(TESTDIR) $@ > $(VOID)
$(Q)$(MAKE) -C $(ZWRAPDIR) $@ > $(VOID)
$(Q)$(MAKE) -C examples/ $@ > $(VOID)
$(Q)$(MAKE) -C contrib/gen_html $@ > $(VOID)
$(Q)$(MAKE) -C contrib/pzstd $@ > $(VOID)
$(Q)$(MAKE) -C contrib/seekable_format/examples $@ > $(VOID)
$(Q)$(MAKE) -C contrib/seekable_format/tests $@ > $(VOID)
$(Q)$(MAKE) -C contrib/largeNbDicts $@ > $(VOID)
$(Q)$(MAKE) -C contrib/externalSequenceProducer $@ > $(VOID)
$(Q)$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
$(Q)$(RM) -r lz4
@echo Cleaning completed
#------------------------------------------------------------------------------
# make install is validated only for Linux, macOS, Hurd and some BSD targets
#------------------------------------------------------------------------------
ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD DragonFly NetBSD MSYS_NT Haiku AIX))
HOST_OS = POSIX
MKDIR ?= mkdir -p
HAVE_COLORNEVER = $(shell echo a | egrep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
EGREP_OPTIONS ?=
ifeq ($(HAVE_COLORNEVER), 1)
EGREP_OPTIONS += --color=never
endif
EGREP = egrep $(EGREP_OPTIONS)
# Print a two column output of targets and their description. To add a target description, put a
# comment in the Makefile with the format "## <TARGET>: <DESCRIPTION>". For example:
#
## list: Print all targets and their descriptions (if provided)
.PHONY: list
list:
$(Q)TARGETS=$$($(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null \
| awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' \
| $(EGREP) -v -e '^[^[:alnum:]]' | sort); \
{ \
printf "Target Name\tDescription\n"; \
printf "%0.s-" {1..16}; printf "\t"; printf "%0.s-" {1..40}; printf "\n"; \
for target in $$TARGETS; do \
line=$$($(EGREP) "^##[[:space:]]+$$target:" $(lastword $(MAKEFILE_LIST))); \
description=$$(echo $$line | awk '{i=index($$0,":"); print substr($$0,i+1)}' | xargs); \
printf "$$target\t$$description\n"; \
done \
} | column -t -s $$'\t'
.PHONY: install armtest usan asan uasan msan asan32
install:
$(Q)$(MAKE) -C $(ZSTDDIR) $@
$(Q)$(MAKE) -C $(PRGDIR) $@
.PHONY: uninstall
uninstall:
$(Q)$(MAKE) -C $(ZSTDDIR) $@
$(Q)$(MAKE) -C $(PRGDIR) $@
.PHONY: travis-install
travis-install:
$(MAKE) install PREFIX=~/install_test_dir
.PHONY: clangbuild-darwin-fat
clangbuild-darwin-fat: clean
clang -v
CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation -arch arm64" $(MAKE) zstd-release
mv programs/zstd programs/zstd_arm64
CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation -arch x86_64" $(MAKE) zstd-release
mv programs/zstd programs/zstd_x64
lipo -create programs/zstd_x64 programs/zstd_arm64 -output programs/zstd
.PHONY: gcc5build gcc6build gcc7build clangbuild m32build armbuild aarch64build ppcbuild ppc64build
gcc5build: clean
gcc-5 -v
CC=gcc-5 $(MAKE) all MOREFLAGS="-Werror $(MOREFLAGS)"
gcc6build: clean
gcc-6 -v
CC=gcc-6 $(MAKE) all MOREFLAGS="-Werror $(MOREFLAGS)"
gcc7build: clean
gcc-7 -v
CC=gcc-7 $(MAKE) all MOREFLAGS="-Werror $(MOREFLAGS)"
clangbuild: clean
clang -v
CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation" $(MAKE) all
m32build: clean
gcc -v
$(MAKE) all32
armbuild: clean
CC=arm-linux-gnueabi-gcc CFLAGS="-Werror" $(MAKE) allzstd
aarch64build: clean
CC=aarch64-linux-gnu-gcc CFLAGS="-Werror -O0" $(MAKE) allzstd
ppcbuild: clean
CC=powerpc-linux-gnu-gcc CFLAGS="-m32 -Wno-attributes -Werror" $(MAKE) -j allzstd
ppc64build: clean
CC=powerpc-linux-gnu-gcc CFLAGS="-m64 -Werror" $(MAKE) -j allzstd
.PHONY: armfuzz aarch64fuzz ppcfuzz ppc64fuzz
armfuzz: clean
CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static MOREFLAGS="-static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)" $(MAKE) -C $(TESTDIR) fuzztest
aarch64fuzz: clean
ld -v
CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static MOREFLAGS="-static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)" $(MAKE) -C $(TESTDIR) fuzztest
ppcfuzz: clean
CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static MOREFLAGS="-static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)" $(MAKE) -C $(TESTDIR) fuzztest
ppc64fuzz: clean
CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static MOREFLAGS="-m64 -static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)" $(MAKE) -C $(TESTDIR) fuzztest
.PHONY: cxxtest gcc5test gcc6test armtest aarch64test ppctest ppc64test
cxxtest: CXXFLAGS += -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror
cxxtest: clean
$(MAKE) -C $(PRGDIR) all CC="$(CXX) -Wno-deprecated" CFLAGS="$(CXXFLAGS)" # adding -Wno-deprecated to avoid clang++ warning on dealing with C files directly
gcc5test: clean
gcc-5 -v
$(MAKE) all CC=gcc-5 MOREFLAGS="-Werror $(MOREFLAGS)"
gcc6test: clean
gcc-6 -v
$(MAKE) all CC=gcc-6 MOREFLAGS="-Werror $(MOREFLAGS)"
armtest: clean
$(MAKE) -C $(TESTDIR) datagen # use native, faster
$(MAKE) -C $(TESTDIR) test CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)"
aarch64test:
$(MAKE) -C $(TESTDIR) datagen # use native, faster
$(MAKE) -C $(TESTDIR) test CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)"
ppctest: clean
$(MAKE) -C $(TESTDIR) datagen # use native, faster
$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)"
ppc64test: clean
$(MAKE) -C $(TESTDIR) datagen # use native, faster
$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)"
.PHONY: arm-ppc-compilation
arm-ppc-compilation:
$(MAKE) -C $(PRGDIR) clean zstd CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static $(MOREFLAGS)"
$(MAKE) -C $(PRGDIR) clean zstd CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static $(MOREFLAGS)"
$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static $(MOREFLAGS)"
$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static $(MOREFLAGS)"
regressiontest:
$(MAKE) -C $(FUZZDIR) regressiontest
uasanregressiontest:
$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=address,undefined" CXXFLAGS="-O3 -fsanitize=address,undefined"
msanregressiontest:
$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=memory" CXXFLAGS="-O3 -fsanitize=memory"
update_regressionResults : REGRESS_RESULTS_DIR := /tmp/regress_results_dir/
update_regressionResults:
$(MAKE) -C programs zstd
$(MAKE) -C tests/regression test
$(RM) -rf $(REGRESS_RESULTS_DIR)
$(MKDIR) $(REGRESS_RESULTS_DIR)
./tests/regression/test \
--cache tests/regression/cache \
--output $(REGRESS_RESULTS_DIR)/results.csv \
--zstd programs/zstd
echo "Showing results differences"
! diff tests/regression/results.csv $(REGRESS_RESULTS_DIR)/results.csv
echo "Updating results.csv"
$(CP) $(REGRESS_RESULTS_DIR)/results.csv tests/regression/results.csv
# run UBsan with -fsanitize-recover=pointer-overflow
# this only works with recent compilers such as gcc 8+
usan: clean
$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=pointer-overflow -fsanitize=undefined -Werror $(MOREFLAGS)"
asan: clean
$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=address -Werror $(MOREFLAGS)"
asan-%: clean
LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=address -Werror $(MOREFLAGS)" $(MAKE) -C $(TESTDIR) $*
msan: clean
$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=memory -fno-omit-frame-pointer -Werror $(MOREFLAGS)" HAVE_LZMA=0 # datagen.c fails this test for no obvious reason
msan-%: clean
LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=memory -fno-omit-frame-pointer -Werror $(MOREFLAGS)" FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)" $(MAKE) -C $(TESTDIR) HAVE_LZMA=0 $*
asan32: clean
$(MAKE) -C $(TESTDIR) test32 CC=clang MOREFLAGS="-g -fsanitize=address $(MOREFLAGS)"
uasan: clean
$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=pointer-overflow -fsanitize=address,undefined -Werror $(MOREFLAGS)"
uasan-%: clean
LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=pointer-overflow -fsanitize=address,undefined -Werror $(MOREFLAGS)" $(MAKE) -C $(TESTDIR) $*
tsan-%: clean
LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=thread -Werror $(MOREFLAGS)" $(MAKE) -C $(TESTDIR) $* FUZZER_FLAGS="--no-big-tests $(FUZZER_FLAGS)"
.PHONY: apt-install
apt-install:
# TODO: uncomment once issue 3011 is resolved and remove hack from Github Actions .yml
# sudo apt-get update
sudo apt-get -yq --no-install-suggests --no-install-recommends --force-yes install $(APT_PACKAGES)
.PHONY: apt-add-repo
apt-add-repo:
sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo apt-get update -y -qq
.PHONY: ppcinstall arminstall valgrindinstall libc6install gcc6install gcc7install gcc8install gpp6install clang38install lz4install
ppcinstall:
APT_PACKAGES="qemu-system-ppc qemu-user-static gcc-powerpc-linux-gnu" $(MAKE) apt-install
arminstall:
APT_PACKAGES="qemu-system-arm qemu-user-static gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross" $(MAKE) apt-install
valgrindinstall:
APT_PACKAGES="valgrind" $(MAKE) apt-install
libc6install:
APT_PACKAGES="libc6-dev-i386 gcc-multilib" $(MAKE) apt-install
gcc6install: apt-add-repo
APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-6 gcc-6-multilib" $(MAKE) apt-install
gcc7install: apt-add-repo
APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-7 gcc-7-multilib" $(MAKE) apt-install
gcc8install: apt-add-repo
APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-8 gcc-8-multilib" $(MAKE) apt-install
gpp6install: apt-add-repo
APT_PACKAGES="libc6-dev-i386 g++-multilib gcc-6 g++-6 g++-6-multilib" $(MAKE) apt-install
clang38install:
APT_PACKAGES="clang-3.8" $(MAKE) apt-install
# Ubuntu 14.04 ships a too-old lz4
lz4install:
[ -e lz4 ] || git clone https://github.com/lz4/lz4 && sudo $(MAKE) -C lz4 install
endif
CMAKE_PARAMS = -DZSTD_BUILD_CONTRIB:BOOL=ON -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON -DZSTD_ZLIB_SUPPORT:BOOL=ON -DZSTD_LZMA_SUPPORT:BOOL=ON -DCMAKE_BUILD_TYPE=Release
ifneq (,$(filter MSYS%,$(shell uname)))
HOST_OS = MSYS
CMAKE_PARAMS = -G"MSYS Makefiles" -DCMAKE_BUILD_TYPE=Debug -DZSTD_MULTITHREAD_SUPPORT:BOOL=OFF -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON
endif
#------------------------------------------------------------------------
# target specific tests
#------------------------------------------------------------------------
ifneq (,$(filter $(HOST_OS),MSYS POSIX))
.PHONY: cmakebuild c89build gnu90build c99build gnu99build c11build bmix64build bmix32build bmi32build staticAnalyze
cmakebuild:
cmake --version
$(RM) -r $(BUILDIR)/cmake/build
$(MKDIR) $(BUILDIR)/cmake/build
cd $(BUILDIR)/cmake/build; cmake -DCMAKE_INSTALL_PREFIX:PATH=~/install_test_dir $(CMAKE_PARAMS) ..
$(MAKE) -C $(BUILDIR)/cmake/build -j4;
$(MAKE) -C $(BUILDIR)/cmake/build install;
$(MAKE) -C $(BUILDIR)/cmake/build uninstall;
cd $(BUILDIR)/cmake/build; ctest -V -L Medium
c89build: clean
$(CC) -v
CFLAGS="-std=c89 -Werror -Wno-attributes -Wpedantic -Wno-long-long -Wno-variadic-macros -O0" $(MAKE) lib zstd
gnu90build: clean
$(CC) -v
CFLAGS="-std=gnu90 -Werror -O0" $(MAKE) allmost
c99build: clean
$(CC) -v
CFLAGS="-std=c99 -Werror -O0" $(MAKE) allmost
gnu99build: clean
$(CC) -v
CFLAGS="-std=gnu99 -Werror -O0" $(MAKE) allmost
c11build: clean
$(CC) -v
CFLAGS="-std=c11 -Werror -O0" $(MAKE) allmost
bmix64build: clean
$(CC) -v
CFLAGS="-O3 -mbmi -Werror" $(MAKE) -C $(TESTDIR) test
bmix32build: clean
$(CC) -v
CFLAGS="-O3 -mbmi -mx32 -Werror" $(MAKE) -C $(TESTDIR) test
bmi32build: clean
$(CC) -v
CFLAGS="-O3 -mbmi -m32 -Werror" $(MAKE) -C $(TESTDIR) test
# static analyzer test uses clang's scan-build
# does not analyze zlibWrapper, due to detected issues in zlib source code
staticAnalyze: SCANBUILD ?= scan-build
staticAnalyze:
$(CC) -v
CC=$(CC) CPPFLAGS=-g $(SCANBUILD) --status-bugs -v $(MAKE) zstd
endif

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@ -1,36 +0,0 @@
// swift-tools-version:5.0
// The swift-tools-version declares the minimum version of Swift required to build this package.
import PackageDescription
let package = Package(
name: "zstd",
platforms: [
.macOS(.v10_10), .iOS(.v9), .tvOS(.v9)
],
products: [
// Products define the executables and libraries a package produces, and make them visible to other packages.
.library(
name: "libzstd",
targets: [ "libzstd" ])
],
dependencies: [
// Dependencies declare other packages that this package depends on.
// .package(url: /* package url */, from: "1.0.0"),
],
targets: [
// Targets are the basic building blocks of a package. A target can define a module or a test suite.
// Targets can depend on other targets in this package, and on products in packages this package depends on.
.target(
name: "libzstd",
path: "lib",
sources: [ "common", "compress", "decompress", "dictBuilder" ],
publicHeadersPath: ".",
cSettings: [
.headerSearchPath(".")
])
],
swiftLanguageVersions: [.v5],
cLanguageStandard: .gnu11,
cxxLanguageStandard: .gnucxx14
)

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@ -1,3 +1,4 @@
// clang-format off
<p align="center"><img src="https://raw.githubusercontent.com/facebook/zstd/dev/doc/images/zstd_logo86.png" alt="Zstandard"></p>
__Zstandard__, or `zstd` as short version, is a fast lossless compression algorithm,

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@ -1,43 +0,0 @@
Testing
=======
Zstandard CI testing is split up into three sections:
short, medium, and long tests.
Short Tests
-----------
Short tests run on CircleCI for new commits on every branch and pull request.
They consist of the following tests:
- Compilation on all supported targets (x86, x86_64, ARM, AArch64, PowerPC, and PowerPC64)
- Compilation on various versions of gcc, clang, and g++
- `tests/playTests.sh` on x86_64, without the tests on long data (CLI tests)
- Small tests (`tests/legacy.c`, `tests/longmatch.c`) on x64_64
Medium Tests
------------
Medium tests run on every commit and pull request to `dev` branch, on TravisCI.
They consist of the following tests:
- The following tests run with UBsan and Asan on x86_64 and x86, as well as with
Msan on x86_64
- `tests/playTests.sh --test-large-data`
- Fuzzer tests: `tests/fuzzer.c`, `tests/zstreamtest.c`, and `tests/decodecorpus.c`
- `tests/zstreamtest.c` under Tsan (streaming mode, including multithreaded mode)
- Valgrind Test (`make -C tests test-valgrind`) (testing CLI and fuzzer under `valgrind`)
- Fuzzer tests (see above) on ARM, AArch64, PowerPC, and PowerPC64
Long Tests
----------
Long tests run on all commits to `release` branch,
and once a day on the current version of `dev` branch,
on TravisCI.
They consist of the following tests:
- Entire test suite (including fuzzers and some other specialized tests) on:
- x86_64 and x86 with UBsan and Asan
- x86_64 with Msan
- ARM, AArch64, PowerPC, and PowerPC64
- Streaming mode fuzzer with Tsan (for the `zstdmt` testing)
- ZlibWrapper tests, including under valgrind
- Versions test (ensuring `zstd` can decode files from all previous versions)
- `pzstd` with asan and tsan, as well as in 32-bits mode
- Testing `zstd` with legacy mode off
- Entire test suite and make install on macOS

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@ -1,33 +0,0 @@
# Visual C++
.vs/
*Copy
*.db
*.opensdf
*.sdf
*.suo
*.user
*.opendb
VS2008/bin/
VS2010/bin/
VS2010/zwrapbench/
VS2012/
VS2013/
VS2015/
Studio*
# CMake
cmake/build/
CMakeCache.txt
CMakeFiles
CMakeScripts
Testing
Makefile
cmake_install.cmake
install_manifest.txt
compile_commands.json
CTestTestfile.cmake
build
lib
!cmake/lib
!meson/lib

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@ -1,56 +0,0 @@
Projects for various integrated development environments (IDE)
==============================================================
#### Included projects
The following projects are included with the zstd distribution:
- `cmake` - CMake project contributed by Artyom Dymchenko
- `VS2005` - Visual Studio 2005 Project (this project has been moved to the contrib directory and will no longer be supported)
- `VS2008` - Visual Studio 2008 project
- `VS2010` - Visual Studio 2010 project (which also works well with Visual Studio 2012, 2013, 2015)
- `VS_scripts` - command line scripts prepared for Visual Studio compilation without IDE
#### How to compile zstd with Visual Studio
1. Install Visual Studio e.g. VS 2015 Community Edition (it's free).
2. Download the latest version of zstd from https://github.com/facebook/zstd/releases
3. Decompress ZIP archive.
4. Go to decompressed directory then to `projects` then `VS2010` and open `zstd.sln`
5. Visual Studio will ask about converting VS2010 project to VS2015 and you should agree.
6. Change `Debug` to `Release` and if you have 64-bit Windows change also `Win32` to `x64`.
7. Press F7 on keyboard or select `BUILD` from the menu bar and choose `Build Solution`.
8. If compilation will be fine a compiled executable will be in `projects\VS2010\bin\x64\Release\zstd.exe`
#### Projects available within zstd.sln
The Visual Studio solution file `visual\VS2010\zstd.sln` contains many projects that will be compiled to the
`visual\VS2010\bin\$(Platform)_$(Configuration)` directory. For example `zstd` set to `x64` and
`Release` will be compiled to `visual\VS2010\bin\x64_Release\zstd.exe`. The solution file contains the
following projects:
- `zstd` : Command Line Utility, supporting gzip-like arguments
- `datagen` : Synthetic and parametrable data generator, for tests
- `fullbench` : Precisely measure speed for each zstd inner functions
- `fuzzer` : Test tool, to check zstd integrity on target platform
- `libzstd` : A static ZSTD library compiled to `libzstd_static.lib`
- `libzstd-dll` : A dynamic ZSTD library (DLL) compiled to `libzstd.dll` with the import library `libzstd.lib`
- `fullbench-dll` : The fullbench program compiled with the import library; the executable requires ZSTD DLL
#### Using ZSTD DLL with Microsoft Visual C++ project
The header file `lib\zstd.h` and the import library
`visual\VS2010\bin\$(Platform)_$(Configuration)\libzstd.lib` are required to compile
a project using Visual C++.
1. The path to header files should be added to `Additional Include Directories` that can
be found in Project Properties of Visual Studio IDE in the `C/C++` Property Pages on the `General` page.
2. The import library has to be added to `Additional Dependencies` that can
be found in Project Properties in the `Linker` Property Pages on the `Input` page.
If one will provide only the name `libzstd.lib` without a full path to the library
then the directory has to be added to `Linker\General\Additional Library Directories`.
The compiled executable will require ZSTD DLL which is available at
`visual\VS2010\bin\$(Platform)_$(Configuration)\libzstd.dll`.

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@ -1,549 +0,0 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="9.00"
Name="fullbench"
ProjectGUID="{CC8F1D1B-BA2F-43E3-A71F-FA415D81AAD3}"
RootNamespace="fullbench"
Keyword="Win32Proj"
TargetFrameworkVersion="196613"
>
<Platforms>
<Platform
Name="Win32"
/>
<Platform
Name="x64"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
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#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
LANGUAGE 9, 1
/////////////////////////////////////////////////////////////////////////////
//
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PRODUCTVERSION ZSTD_VERSION_MAJOR,ZSTD_VERSION_MINOR,ZSTD_VERSION_RELEASE,0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
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FILEFLAGS VS_FF_DEBUG
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FILEFLAGS 0x0L
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View file

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<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>ZSTD_MULTITHREAD=1;ZSTD_LEGACY_SUPPORT=5;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<TreatWarningAsError>false</TreatWarningAsError>
<EnablePREfast>false</EnablePREfast>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<AdditionalOptions>/DZSTD_MULTITHREAD %(AdditionalOptions)</AdditionalOptions>
<EnableEnhancedInstructionSet>$(InstructionSet)</EnableEnhancedInstructionSet>
</ClCompile>
<Link>
<SubSystem>Console</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>setargv.obj;%(AdditionalDependencies)</AdditionalDependencies>
</Link>
</ItemDefinitionGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>

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@ -1,64 +0,0 @@
Command line scripts for Visual Studio compilation without IDE
==============================================================
Here are a few command lines for reference :
### Build with Visual Studio 2013 for msvcr120.dll
Running the following command will build both the `Release Win32` and `Release x64` versions:
```batch
build.VS2013.cmd
```
The result of each build will be in the corresponding `bin\Release\{ARCH}\` folder.
If you want to only need one architecture:
- Win32: `build.generic.cmd VS2013 Win32 Release v120`
- x64: `build.generic.cmd VS2013 x64 Release v120`
If you want a Debug build:
- Win32: `build.generic.cmd VS2013 Win32 Debug v120`
- x64: `build.generic.cmd VS2013 x64 Debug v120`
### Build with Visual Studio 2015 for msvcr140.dll
Running the following command will build both the `Release Win32` and `Release x64` versions:
```batch
build.VS2015.cmd
```
The result of each build will be in the corresponding `bin\Release\{ARCH}\` folder.
If you want to only need one architecture:
- Win32: `build.generic.cmd VS2015 Win32 Release v140`
- x64: `build.generic.cmd VS2015 x64 Release v140`
If you want a Debug build:
- Win32: `build.generic.cmd VS2015 Win32 Debug v140`
- x64: `build.generic.cmd VS2015 x64 Debug v140`
### Build with Visual Studio 2015 for msvcr120.dll
This capability is offered through `build.generic.cmd` using proper arguments:
**For Win32**
```batch
build.generic.cmd VS2015 Win32 Release v120
```
The result of the build will be in the `bin\Release\Win32\` folder.
**For x64**
```batch
build.generic.cmd VS2015 x64 Release v120
```
The result of the build will be in the `bin\Release\x64\` folder.
If you want Debug builds, replace `Release` with `Debug`.
### Build with Visual Studio 2017
`build.VS2017.cmd`, contributed by [@HaydnTrigg](https://github.com/HaydnTrigg),
will build both the `Release Win32` and `Release x64` versions
of the first VS2017 variant it finds, in this priority order :
Enterprise > Professional > Community
Alternatively, it's possible to target a specific version,
using appropriate script, such as `build.VS2017Enterprise.cmd` for example.

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2010 Win32 Release v100
rem build 64-bit
call "%~p0%build.generic.cmd" VS2010 x64 Release v100

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@ -1,6 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2012 Win32 Release v110
rem build 64-bit
call "%~p0%build.generic.cmd" VS2012 x64 Release v110

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2013 Win32 Release v120
rem build 64-bit
call "%~p0%build.generic.cmd" VS2013 x64 Release v120

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2015 Win32 Release v140
rem build 64-bit
call "%~p0%build.generic.cmd" VS2015 x64 Release v140

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2017 Win32 Release v141
rem build 64-bit
call "%~p0%build.generic.cmd" VS2017 x64 Release v141

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2017Community Win32 Release v141
rem build 64-bit
call "%~p0%build.generic.cmd" VS2017Community x64 Release v141

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2017Enterprise Win32 Release v141
rem build 64-bit
call "%~p0%build.generic.cmd" VS2017Enterprise x64 Release v141

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@ -1,7 +0,0 @@
@echo off
rem build 32-bit
call "%~p0%build.generic.cmd" VS2017Professional Win32 Release v141
rem build 64-bit
call "%~p0%build.generic.cmd" VS2017Professional x64 Release v141

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@ -1,72 +0,0 @@
@echo off
IF "%1%" == "" GOTO display_help
SETLOCAL
SET msbuild_version=%1
SET msbuild_platform=%2
IF "%msbuild_platform%" == "" SET msbuild_platform=x64
SET msbuild_configuration=%3
IF "%msbuild_configuration%" == "" SET msbuild_configuration=Release
SET msbuild_toolset=%4
GOTO build
:display_help
echo Syntax: build.generic.cmd msbuild_version msbuild_platform msbuild_configuration msbuild_toolset
echo msbuild_version: VS installed version (VS2012, VS2013, VS2015, VS2017, VS2019, ...)
echo msbuild_platform: Platform (x64 or Win32)
echo msbuild_configuration: VS configuration (Release or Debug)
echo msbuild_toolset: Platform Toolset (v100, v110, v120, v140, v141, v142, ...)
EXIT /B 1
:build
SET msbuild="%windir%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
SET msbuild_vs2017community="%programfiles(x86)%\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\MSBuild.exe"
SET msbuild_vs2017professional="%programfiles(x86)%\Microsoft Visual Studio\2017\Professional\MSBuild\15.0\Bin\MSBuild.exe"
SET msbuild_vs2017enterprise="%programfiles(x86)%\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin\MSBuild.exe"
IF %msbuild_version% == VS2013 SET msbuild="%programfiles(x86)%\MSBuild\12.0\Bin\MSBuild.exe"
IF %msbuild_version% == VS2015 SET msbuild="%programfiles(x86)%\MSBuild\14.0\Bin\MSBuild.exe"
IF %msbuild_version% == VS2017Community SET msbuild=%msbuild_vs2017community%
IF %msbuild_version% == VS2017Professional SET msbuild=%msbuild_vs2017professional%
IF %msbuild_version% == VS2017Enterprise SET msbuild=%msbuild_vs2017enterprise%
IF %msbuild_version% == VS2017 (
IF EXIST %msbuild_vs2017community% SET msbuild=%msbuild_vs2017community%
IF EXIST %msbuild_vs2017professional% SET msbuild=%msbuild_vs2017professional%
IF EXIST %msbuild_vs2017enterprise% SET msbuild=%msbuild_vs2017enterprise%
)
:: VS2019
SET msbuild_vs2019community="%programfiles(x86)%\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\MSBuild.exe"
SET msbuild_vs2019professional="%programfiles(x86)%\Microsoft Visual Studio\2019\Professional\MSBuild\Current\Bin\MSBuild.exe"
SET msbuild_vs2019enterprise="%programfiles(x86)%\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\MSBuild.exe"
IF %msbuild_version% == VS2019 (
IF EXIST %msbuild_vs2019community% SET msbuild=%msbuild_vs2019community%
IF EXIST %msbuild_vs2019professional% SET msbuild=%msbuild_vs2019professional%
IF EXIST %msbuild_vs2019enterprise% SET msbuild=%msbuild_vs2019enterprise%
)
SET project="%~p0\..\VS2010\zstd.sln"
SET msbuild_params=/verbosity:minimal /nologo /t:Clean,Build /p:Platform=%msbuild_platform% /p:Configuration=%msbuild_configuration%
IF NOT "%msbuild_toolset%" == "" SET msbuild_params=%msbuild_params% /p:PlatformToolset=%msbuild_toolset%
SET output=%~p0%bin
SET output="%output%/%msbuild_configuration%/%msbuild_platform%/"
SET msbuild_params=%msbuild_params% /p:OutDir=%output%
echo ### Building %msbuild_version% project for %msbuild_configuration% %msbuild_platform% (%msbuild_toolset%)...
echo ### Build Params: %msbuild_params%
%msbuild% %project% %msbuild_params%
IF ERRORLEVEL 1 EXIT /B 1
echo # Success
echo # OutDir: %output%
echo #

View file

@ -1,10 +0,0 @@
# cmake working directory
cmakeBuild
# cmake artefacts
CMakeCache.txt
CMakeFiles
Makefile
cmake_install.cmake
cmake_uninstall.cmake
*.1

View file

@ -1,212 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
# As of 2018-12-26 ZSTD has been validated to build with cmake version 3.13.2 new policies.
# Set and use the newest cmake policies that are validated to work
set(ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION "3")
set(ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION "13") #Policies never changed at PATCH level
if("${CMAKE_MAJOR_VERSION}" LESS 3)
set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}")
elseif( "${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}" EQUAL "${CMAKE_MAJOR_VERSION}" AND
"${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}" GREATER "${CMAKE_MINOR_VERSION}")
set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}")
else()
set(ZSTD_CMAKE_POLICY_VERSION "${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}.${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}.0")
endif()
cmake_policy(VERSION ${ZSTD_CMAKE_POLICY_VERSION})
set(CMAKE_BUILD_WITH_INSTALL_RPATH on)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
set(ZSTD_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
# Parse version
include(GetZstdLibraryVersion)
GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h zstd_VERSION_MAJOR zstd_VERSION_MINOR zstd_VERSION_PATCH)
if( CMAKE_MAJOR_VERSION LESS 3 )
## Provide cmake 3+ behavior for older versions of cmake
project(zstd)
set(PROJECT_VERSION_MAJOR ${zstd_VERSION_MAJOR})
set(PROJECT_VERSION_MINOR ${zstd_VERSION_MINOR})
set(PROJECT_VERSION_PATCH ${zstd_VERSION_PATCH})
set(PROJECT_VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}")
enable_language(C) # Main library is in C
enable_language(ASM) # And ASM
enable_language(CXX) # Testing contributed code also utilizes CXX
else()
project(zstd
VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}"
LANGUAGES C # Main library is in C
ASM # And ASM
CXX # Testing contributed code also utilizes CXX
)
endif()
message(STATUS "ZSTD VERSION: ${zstd_VERSION}")
set(zstd_HOMEPAGE_URL "https://facebook.github.io/zstd")
set(zstd_DESCRIPTION "Zstandard is a real-time compression algorithm, providing high compression ratios.")
# Set a default build type if none was specified
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'Release' as none was specified.")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
include(GNUInstallDirs)
#-----------------------------------------------------------------------------
# Add extra compilation flags
#-----------------------------------------------------------------------------
include(AddZstdCompilationFlags)
ADD_ZSTD_COMPILATION_FLAGS()
# Always hide XXHash symbols
add_definitions(-DXXH_NAMESPACE=ZSTD_)
#-----------------------------------------------------------------------------
# Installation variables
#-----------------------------------------------------------------------------
message(STATUS "CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
message(STATUS "CMAKE_INSTALL_LIBDIR: ${CMAKE_INSTALL_LIBDIR}")
#-----------------------------------------------------------------------------
# Options
#-----------------------------------------------------------------------------
# Legacy support
option(ZSTD_LEGACY_SUPPORT "LEGACY SUPPORT" ON)
if (ZSTD_LEGACY_SUPPORT)
message(STATUS "ZSTD_LEGACY_SUPPORT defined!")
set(ZSTD_LEGACY_LEVEL 5 CACHE STRING "")
add_definitions(-DZSTD_LEGACY_SUPPORT=${ZSTD_LEGACY_LEVEL})
else ()
message(STATUS "ZSTD_LEGACY_SUPPORT not defined!")
add_definitions(-DZSTD_LEGACY_SUPPORT=0)
endif ()
if (ANDROID)
set(ZSTD_MULTITHREAD_SUPPORT_DEFAULT OFF)
else()
set(ZSTD_MULTITHREAD_SUPPORT_DEFAULT ON)
endif()
# Multi-threading support
option(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" ${ZSTD_MULTITHREAD_SUPPORT_DEFAULT})
if (ZSTD_MULTITHREAD_SUPPORT)
message(STATUS "ZSTD_MULTITHREAD_SUPPORT is enabled")
else ()
message(STATUS "ZSTD_MULTITHREAD_SUPPORT is disabled")
endif ()
option(ZSTD_BUILD_PROGRAMS "BUILD PROGRAMS" ON)
option(ZSTD_BUILD_CONTRIB "BUILD CONTRIB" OFF)
# Respect the conventional CMake option for enabling tests if it was specified on the first configure
if (BUILD_TESTING)
set(ZSTD_BUILD_TESTS_default ON)
else()
set(ZSTD_BUILD_TESTS_default OFF)
endif()
option(ZSTD_BUILD_TESTS "BUILD TESTS" ${ZSTD_BUILD_TESTS_default})
if (MSVC)
option(ZSTD_USE_STATIC_RUNTIME "LINK TO STATIC RUN-TIME LIBRARIES" OFF)
endif ()
#-----------------------------------------------------------------------------
# External dependencies
#-----------------------------------------------------------------------------
if (ZSTD_MULTITHREAD_SUPPORT AND UNIX)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if(CMAKE_USE_PTHREADS_INIT)
set(THREADS_LIBS "${CMAKE_THREAD_LIBS_INIT}")
else()
message(SEND_ERROR "ZSTD currently does not support thread libraries other than pthreads")
endif()
endif ()
#-----------------------------------------------------------------------------
# Add source directories
#-----------------------------------------------------------------------------
add_subdirectory(lib)
option(ZSTD_PROGRAMS_LINK_SHARED "PROGRAMS LINK SHARED" OFF)
if (ZSTD_BUILD_PROGRAMS)
if (NOT ZSTD_BUILD_STATIC AND NOT ZSTD_PROGRAMS_LINK_SHARED)
message(SEND_ERROR "You need to build static library to build zstd CLI")
elseif(NOT ZSTD_BUILD_SHARED AND ZSTD_PROGRAMS_LINK_SHARED)
message(SEND_ERROR "You need to build shared library to build zstd CLI")
endif ()
add_subdirectory(programs)
endif ()
if (ZSTD_BUILD_TESTS)
enable_testing()
if (NOT ZSTD_BUILD_STATIC)
message(SEND_ERROR "You need to build static library to build tests")
endif ()
add_subdirectory(tests)
endif ()
if (ZSTD_BUILD_CONTRIB)
add_subdirectory(contrib)
endif ()
#-----------------------------------------------------------------------------
# Add clean-all target
#-----------------------------------------------------------------------------
add_custom_target(clean-all
COMMAND ${CMAKE_BUILD_TOOL} clean
COMMAND rm -rf ${CMAKE_BINARY_DIR}/
)
#-----------------------------------------------------------------------------
# Generate Package Config files
#
# This section is based on the boiler plate code from:
# https://cmake.org/cmake/help/latest/manual/cmake-packages.7.html#creating-packages
#-----------------------------------------------------------------------------
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/zstdConfigVersion.cmake"
VERSION ${zstd_VERSION}
COMPATIBILITY SameMajorVersion
)
# A Package Config file that works from the build directory
export(EXPORT zstdExports
FILE "${CMAKE_CURRENT_BINARY_DIR}/zstdTargets.cmake"
NAMESPACE zstd::
)
configure_file(zstdConfig.cmake
"${CMAKE_CURRENT_BINARY_DIR}/zstdConfig.cmake"
COPYONLY
)
# A Package Config file that works from the installation directory
set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/zstd)
install(EXPORT zstdExports
FILE zstdTargets.cmake
NAMESPACE zstd::
DESTINATION ${ConfigPackageLocation}
)
install(FILES
zstdConfig.cmake
"${CMAKE_CURRENT_BINARY_DIR}/zstdConfigVersion.cmake"
DESTINATION ${ConfigPackageLocation}
)

View file

@ -1,121 +0,0 @@
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
# VERSION_GREATER_EQUAL requires CMake 3.7 or later.
# https://cmake.org/cmake/help/latest/command/if.html#version-greater-equal
if (CMAKE_VERSION VERSION_LESS 3.18)
set(ZSTD_HAVE_CHECK_LINKER_FLAG false)
else ()
set(ZSTD_HAVE_CHECK_LINKER_FLAG true)
endif ()
if (ZSTD_HAVE_CHECK_LINKER_FLAG)
include(CheckLinkerFlag)
endif()
function(EnableCompilerFlag _flag _C _CXX _LD)
string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}")
string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}")
string(REGEX REPLACE "^_+" "" varname "${varname}")
string(TOUPPER "${varname}" varname)
if (_C)
CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname})
if (C_FLAG_${varname})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
if (_CXX)
CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG_${varname})
if (CXX_FLAG_${varname})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
if (_LD)
# We never add a linker flag with CMake < 3.18. We will
# implement CHECK_LINKER_FLAG() like feature for CMake < 3.18
# or require CMake >= 3.18 when we need to add a required
# linker flag in future.
#
# We also skip linker flags check for MSVC compilers (which includes
# clang-cl) since currently check_linker_flag() doesn't give correct
# results for this configuration,
# see: https://gitlab.kitware.com/cmake/cmake/-/issues/22023
if (ZSTD_HAVE_CHECK_LINKER_FLAG AND NOT MSVC)
CHECK_LINKER_FLAG(C ${_flag} LD_FLAG_${varname})
else ()
set(LD_FLAG_${varname} false)
endif ()
if (LD_FLAG_${varname})
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${_flag}" PARENT_SCOPE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
endfunction()
macro(ADD_ZSTD_COMPILATION_FLAGS)
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" OR MINGW) #Not only UNIX but also WIN32 for MinGW
# It's possible to select the exact standard used for compilation.
# It's not necessary, but can be employed for specific purposes.
# Note that zstd source code is compatible with both C++98 and above
# and C-gnu90 (c90 + long long + variadic macros ) and above
# EnableCompilerFlag("-std=c++11" false true) # Set C++ compilation to c++11 standard
# EnableCompilerFlag("-std=c99" true false) # Set C compiation to c99 standard
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND MSVC)
# clang-cl normally maps -Wall to -Weverything.
EnableCompilerFlag("/clang:-Wall" true true false)
else ()
EnableCompilerFlag("-Wall" true true false)
endif ()
EnableCompilerFlag("-Wextra" true true false)
EnableCompilerFlag("-Wundef" true true false)
EnableCompilerFlag("-Wshadow" true true false)
EnableCompilerFlag("-Wcast-align" true true false)
EnableCompilerFlag("-Wcast-qual" true true false)
EnableCompilerFlag("-Wstrict-prototypes" true false false)
# Enable asserts in Debug mode
if (CMAKE_BUILD_TYPE MATCHES "Debug")
EnableCompilerFlag("-DDEBUGLEVEL=1" true true false)
endif ()
# Add noexecstack flags
# LDFLAGS
EnableCompilerFlag("-z noexecstack" false false true)
# CFLAGS & CXXFLAGS
EnableCompilerFlag("-Qunused-arguments" true true false)
EnableCompilerFlag("-Wa,--noexecstack" true true false)
elseif (MSVC) # Add specific compilation flags for Windows Visual
set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION)
EnableCompilerFlag("/MP" true true false)
endif ()
# UNICODE SUPPORT
EnableCompilerFlag("/D_UNICODE" true true false)
EnableCompilerFlag("/DUNICODE" true true false)
# Enable asserts in Debug mode
if (CMAKE_BUILD_TYPE MATCHES "Debug")
EnableCompilerFlag("/DDEBUGLEVEL=1" true true false)
endif ()
endif ()
# Remove duplicates compilation flags
foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if( ${flag_var} )
separate_arguments(${flag_var})
string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
endif()
endforeach ()
if (MSVC AND ZSTD_USE_STATIC_RUNTIME)
foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if ( ${flag_var} )
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif()
endforeach ()
endif ()
endmacro()

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@ -1,49 +0,0 @@
# Find LibLZ4
#
# Find LibLZ4 headers and library
#
# Result Variables
#
# LIBLZ4_FOUND - True if lz4 is found
# LIBLZ4_INCLUDE_DIRS - lz4 headers directories
# LIBLZ4_LIBRARIES - lz4 libraries
# LIBLZ4_VERSION_MAJOR - The major version of lz4
# LIBLZ4_VERSION_MINOR - The minor version of lz4
# LIBLZ4_VERSION_RELEASE - The release version of lz4
# LIBLZ4_VERSION_STRING - version number string (e.g. 1.8.3)
#
# Hints
#
# Set ``LZ4_ROOT_DIR`` to the directory of lz4.h and lz4 library
set(_LIBLZ4_ROOT_HINTS
ENV LZ4_ROOT_DIR)
find_path( LIBLZ4_INCLUDE_DIR lz4.h
HINTS ${_LIBLZ4_ROOT_HINTS})
find_library( LIBLZ4_LIBRARY NAMES lz4 liblz4 liblz4_static
HINTS ${_LIBLZ4_ROOT_HINTS})
if(LIBLZ4_INCLUDE_DIR)
file(STRINGS "${LIBLZ4_INCLUDE_DIR}/lz4.h" LIBLZ4_HEADER_CONTENT REGEX "#define LZ4_VERSION_[A-Z]+ +[0-9]+")
string(REGEX REPLACE ".*#define LZ4_VERSION_MAJOR +([0-9]+).*" "\\1" LIBLZ4_VERSION_MAJOR "${LIBLZ4_HEADER_CONTENT}")
string(REGEX REPLACE ".*#define LZ4_VERSION_MINOR +([0-9]+).*" "\\1" LIBLZ4_VERSION_MINOR "${LIBLZ4_HEADER_CONTENT}")
string(REGEX REPLACE ".*#define LZ4_VERSION_RELEASE +([0-9]+).*" "\\1" LIBLZ4_VERSION_RELEASE "${LIBLZ4_HEADER_CONTENT}")
set(LIBLZ4_VERSION_STRING "${LIBLZ4_VERSION_MAJOR}.${LIBLZ4_VERSION_MINOR}.${LIBLZ4_VERSION_RELEASE}")
unset(LIBLZ4_HEADER_CONTENT)
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibLZ4 REQUIRED_VARS LIBLZ4_INCLUDE_DIR
LIBLZ4_LIBRARY
VERSION_VAR LIBLZ4_VERSION_STRING
FAIL_MESSAGE "Could NOT find LZ4, try to set the paths to lz4.h and lz4 library in environment variable LZ4_ROOT_DIR")
if (LIBLZ4_FOUND)
set(LIBLZ4_LIBRARIES ${LIBLZ4_LIBRARY})
set(LIBLZ4_INCLUDE_DIRS ${LIBLZ4_INCLUDE_DIR})
endif ()
mark_as_advanced( LIBLZ4_INCLUDE_DIR LIBLZ4_LIBRARY )

View file

@ -1,10 +0,0 @@
function(GetZstdLibraryVersion _header _major _minor _patch)
# Read file content
file(READ ${_header} CONTENT)
string(REGEX MATCH ".*define ZSTD_VERSION_MAJOR *([0-9]+).*define ZSTD_VERSION_MINOR *([0-9]+).*define ZSTD_VERSION_RELEASE *([0-9]+)" VERSION_REGEX "${CONTENT}")
set(${_major} ${CMAKE_MATCH_1} PARENT_SCOPE)
set(${_minor} ${CMAKE_MATCH_2} PARENT_SCOPE)
set(${_patch} ${CMAKE_MATCH_3} PARENT_SCOPE)
endfunction()

View file

@ -1,23 +0,0 @@
# This module provides function for joining paths
# known from most languages
#
# SPDX-License-Identifier: (MIT OR CC0-1.0)
# Copyright 2020 Jan Tojnar
# https://github.com/jtojnar/cmake-snips
#
# Modelled after Pythons os.path.join
# https://docs.python.org/3.7/library/os.path.html#os.path.join
# Windows not supported
function(join_paths joined_path first_path_segment)
set(temp_path "${first_path_segment}")
foreach(current_segment IN LISTS ARGN)
if(NOT ("${current_segment}" STREQUAL ""))
if(IS_ABSOLUTE "${current_segment}")
set(temp_path "${current_segment}")
else()
set(temp_path "${temp_path}/${current_segment}")
endif()
endif()
endforeach()
set(${joined_path} "${temp_path}" PARENT_SCOPE)
endfunction()

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@ -1,104 +0,0 @@
# Cmake contributions
Contributions to the cmake build configurations are welcome. Please
use case sensitivity that matches modern (i.e. cmake version 2.6 and above)
conventions of using lower-case for commands, and upper-case for
variables.
## How to build
As cmake doesn't support command like `cmake clean`, it's recommended to perform an "out of source build".
To do this, you can create a new directory and build in it:
```sh
cd build/cmake
mkdir builddir
cd builddir
cmake ..
make
```
Then you can clean all cmake caches by simply delete the new directory:
```sh
rm -rf build/cmake/builddir
```
And of course, you can directly build in build/cmake:
```sh
cd build/cmake
cmake
make
```
To show cmake build options, you can:
```sh
cd build/cmake/builddir
cmake -LH ..
```
Bool options can be set to `ON/OFF` with `-D[option]=[ON/OFF]`. You can configure cmake options like this:
```sh
cd build/cmake/builddir
cmake -DZSTD_BUILD_TESTS=ON -DZSTD_LEGACY_SUPPORT=OFF ..
make
```
### referring
[Looking for a 'cmake clean' command to clear up CMake output](https://stackoverflow.com/questions/9680420/looking-for-a-cmake-clean-command-to-clear-up-cmake-output)
## CMake Style Recommendations
### Indent all code correctly, i.e. the body of
* if/else/endif
* foreach/endforeach
* while/endwhile
* macro/endmacro
* function/endfunction
Use spaces for indenting, 2, 3 or 4 spaces preferably. Use the same amount of
spaces for indenting as is used in the rest of the file. Do not use tabs.
### Upper/lower casing
Most important: use consistent upper- or lowercasing within one file !
In general, the all-lowercase style is preferred.
So, this is recommended:
```
add_executable(foo foo.c)
```
These forms are discouraged
```
ADD_EXECUTABLE(bar bar.c)
Add_Executable(hello hello.c)
aDd_ExEcUtAbLe(blub blub.c)
```
### End commands
To make the code easier to read, use empty commands for endforeach(), endif(),
endfunction(), endmacro() and endwhile(). Also, use empty else() commands.
For example, do this:
```
if(FOOVAR)
some_command(...)
else()
another_command(...)
endif()
```
and not this:
```
if(BARVAR)
some_other_command(...)
endif(BARVAR)
```
### Other resources for best practices
https://cmake.org/cmake/help/latest/manual/cmake-developer.7.html#modules

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@ -1,13 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(contrib)
add_subdirectory(pzstd)
add_subdirectory(gen_html)

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@ -1,30 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(gen_html)
include(GetZstdLibraryVersion)
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
# Define programs directory, where sources and header files are located
set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
set(PROGRAMS_DIR ${ZSTD_SOURCE_DIR}/programs)
set(GENHTML_DIR ${ZSTD_SOURCE_DIR}/contrib/gen_html)
set(GENHTML_BINARY ${PROJECT_BINARY_DIR}/gen_html${CMAKE_EXECUTABLE_SUFFIX})
include_directories(${PROGRAMS_DIR} ${LIBRARY_DIR} ${LIBRARY_DIR}/common ${GENHTML_DIR})
add_executable(gen_html ${GENHTML_DIR}/gen_html.cpp)
GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h VMAJOR VMINOR VRELEASE)
set(LIBVERSION "${VMAJOR}.${VMINOR}.${VRELEASE}")
add_custom_target(zstd_manual.html ALL
${GENHTML_BINARY} "${LIBVERSION}" "${LIBRARY_DIR}/zstd.h" "${PROJECT_BINARY_DIR}/zstd_manual.html"
DEPENDS gen_html COMMENT "Update zstd manual")
install(FILES "${PROJECT_BINARY_DIR}/zstd_manual.html" DESTINATION "${CMAKE_INSTALL_DOCDIR}")

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@ -1,38 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(pzstd)
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
# Define programs directory, where sources and header files are located
set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
set(PROGRAMS_DIR ${ZSTD_SOURCE_DIR}/programs)
set(PZSTD_DIR ${ZSTD_SOURCE_DIR}/contrib/pzstd)
include_directories(${PROGRAMS_DIR} ${LIBRARY_DIR} ${LIBRARY_DIR}/common ${PZSTD_DIR})
add_executable(pzstd ${PROGRAMS_DIR}/util.c ${PZSTD_DIR}/main.cpp ${PZSTD_DIR}/Options.cpp ${PZSTD_DIR}/Pzstd.cpp ${PZSTD_DIR}/SkippableFrame.cpp)
set_property(TARGET pzstd APPEND PROPERTY COMPILE_DEFINITIONS "NDEBUG")
set_property(TARGET pzstd APPEND PROPERTY COMPILE_OPTIONS "-Wno-shadow")
if (ZSTD_BUILD_SHARED)
set(ZSTD_LIB libzstd_shared)
else()
set(ZSTD_LIB libzstd_static)
endif()
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if (CMAKE_USE_PTHREADS_INIT)
target_link_libraries(pzstd ${ZSTD_LIB} ${CMAKE_THREAD_LIBS_INIT})
else()
message(SEND_ERROR "ZSTD currently does not support thread libraries other than pthreads")
endif()
install(TARGETS pzstd RUNTIME DESTINATION "bin")

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@ -1,2 +0,0 @@
# cmake build artefact
libzstd.pc

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@ -1,219 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(libzstd C ASM)
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
option(ZSTD_BUILD_STATIC "BUILD STATIC LIBRARIES" ON)
option(ZSTD_BUILD_SHARED "BUILD SHARED LIBRARIES" ON)
option(ZSTD_BUILD_COMPRESSION "BUILD COMPRESSION MODULE" ON)
option(ZSTD_BUILD_DECOMPRESSION "BUILD DECOMPRESSION MODUEL" ON)
option(ZSTD_BUILD_DICTBUILDER "BUILD DICTBUILDER MODULE" ON)
option(ZSTD_BUILD_DEPRECATED "BUILD DEPRECATED MODULE" OFF)
set(ZSTDLIB_VISIBLE "" CACHE STRING "Visiblity for ZSTDLIB API")
set(ZSTDERRORLIB_VISIBLE "" CACHE STRING "Visiblity for ZSTDERRORLIB_VISIBLE API")
set(ZDICTLIB_VISIBLE "" CACHE STRING "Visiblity for ZDICTLIB_VISIBLE API")
set(ZSTDLIB_STATIC_API "" CACHE STRING "Visiblity for ZSTDLIB_STATIC_API API")
set(ZDICTLIB_STATIC_API "" CACHE STRING "Visiblity for ZDICTLIB_STATIC_API API")
set_property(CACHE ZSTDLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZSTDERRORLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZDICTLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZSTDLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZDICTLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
if(NOT ZSTD_BUILD_SHARED AND NOT ZSTD_BUILD_STATIC)
message(SEND_ERROR "You need to build at least one flavor of libzstd")
endif()
# Define library directory, where sources and header files are located
include_directories(${LIBRARY_DIR} ${LIBRARY_DIR}/common)
file(GLOB CommonSources ${LIBRARY_DIR}/common/*.c)
file(GLOB CompressSources ${LIBRARY_DIR}/compress/*.c)
if (MSVC)
file(GLOB DecompressSources ${LIBRARY_DIR}/decompress/*.c)
add_compile_options(-DZSTD_DISABLE_ASM)
else ()
file(GLOB DecompressSources ${LIBRARY_DIR}/decompress/*.c ${LIBRARY_DIR}/decompress/*.S)
endif ()
file(GLOB DictBuilderSources ${LIBRARY_DIR}/dictBuilder/*.c)
file(GLOB DeprecatedSources ${LIBRARY_DIR}/deprecated/*.c)
file(GLOB CommonHeaders ${LIBRARY_DIR}/common/*.h)
file(GLOB CompressHeaders ${LIBRARY_DIR}/compress/*.h)
file(GLOB DecompressHeaders ${LIBRARY_DIR}/decompress/*.h)
file(GLOB DictBuilderHeaders ${LIBRARY_DIR}/dictBuilder/*.h)
file(GLOB DeprecatedHeaders ${LIBRARY_DIR}/deprecated/*.h)
set(Sources ${CommonSources})
set(Headers ${LIBRARY_DIR}/zstd.h ${CommonHeaders})
if (ZSTD_BUILD_COMPRESSION)
set(Sources ${Sources} ${CompressSources})
set(Headers ${Headers} ${CompressHeaders})
endif()
if (ZSTD_BUILD_DECOMPRESSION)
set(Sources ${Sources} ${DecompressSources})
set(Headers ${Headers} ${DecompressHeaders})
endif()
if (ZSTD_BUILD_DICTBUILDER)
set(Sources ${Sources} ${DictBuilderSources})
set(Headers ${Headers} ${DictBuilderHeaders})
endif()
if (ZSTD_BUILD_DEPRECATED)
set(Sources ${Sources} ${DeprecatedSources})
set(Headers ${Headers} ${DeprecatedHeaders})
endif()
if (ZSTD_LEGACY_SUPPORT)
set(LIBRARY_LEGACY_DIR ${LIBRARY_DIR}/legacy)
include_directories(${LIBRARY_LEGACY_DIR})
set(Sources ${Sources}
${LIBRARY_LEGACY_DIR}/zstd_v01.c
${LIBRARY_LEGACY_DIR}/zstd_v02.c
${LIBRARY_LEGACY_DIR}/zstd_v03.c
${LIBRARY_LEGACY_DIR}/zstd_v04.c
${LIBRARY_LEGACY_DIR}/zstd_v05.c
${LIBRARY_LEGACY_DIR}/zstd_v06.c
${LIBRARY_LEGACY_DIR}/zstd_v07.c)
set(Headers ${Headers}
${LIBRARY_LEGACY_DIR}/zstd_legacy.h
${LIBRARY_LEGACY_DIR}/zstd_v01.h
${LIBRARY_LEGACY_DIR}/zstd_v02.h
${LIBRARY_LEGACY_DIR}/zstd_v03.h
${LIBRARY_LEGACY_DIR}/zstd_v04.h
${LIBRARY_LEGACY_DIR}/zstd_v05.h
${LIBRARY_LEGACY_DIR}/zstd_v06.h
${LIBRARY_LEGACY_DIR}/zstd_v07.h)
endif ()
if (MSVC)
set(MSVC_RESOURCE_DIR ${ZSTD_SOURCE_DIR}/build/VS2010/libzstd-dll)
set(PlatformDependResources ${MSVC_RESOURCE_DIR}/libzstd-dll.rc)
endif ()
# Explicitly set the language to C for all files, including ASM files.
# Our assembly expects to be compiled by a C compiler, and is only enabled for
# __GNUC__ compatible compilers. Otherwise all the ASM code is disabled by
# macros.
set_source_files_properties(${Sources} PROPERTIES LANGUAGE C)
macro (add_definition target var)
if (NOT ("${${var}}" STREQUAL ""))
set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS "${var}=__attribute__((visibility(\"${${var}}\")))")
endif ()
endmacro ()
# Split project to static and shared libraries build
set(library_targets)
if (ZSTD_BUILD_SHARED)
add_library(libzstd_shared SHARED ${Sources} ${Headers} ${PlatformDependResources})
list(APPEND library_targets libzstd_shared)
if (ZSTD_MULTITHREAD_SUPPORT)
set_property(TARGET libzstd_shared APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
if (UNIX)
target_link_libraries(libzstd_shared ${THREADS_LIBS})
endif ()
endif ()
add_definition(libzstd_shared ZSTDLIB_VISIBLE)
add_definition(libzstd_shared ZSTDERRORLIB_VISIBLE)
add_definition(libzstd_shared ZDICTLIB_VISIBLE)
endif ()
if (ZSTD_BUILD_STATIC)
add_library(libzstd_static STATIC ${Sources} ${Headers})
list(APPEND library_targets libzstd_static)
if (ZSTD_MULTITHREAD_SUPPORT)
set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
if (UNIX)
target_link_libraries(libzstd_static ${THREADS_LIBS})
endif ()
endif ()
add_definition(libzstd_static ZSTDLIB_VISIBLE)
add_definition(libzstd_static ZSTDERRORLIB_VISIBLE)
add_definition(libzstd_static ZDICTLIB_VISIBLE)
add_definition(libzstd_static ZSTDLIB_STATIC_API)
add_definition(libzstd_static ZDICTLIB_STATIC_API)
endif ()
# Add specific compile definitions for MSVC project
if (MSVC)
if (ZSTD_BUILD_SHARED)
set_property(TARGET libzstd_shared APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_DLL_EXPORT=1;ZSTD_HEAPMODE=0;_CONSOLE;_CRT_SECURE_NO_WARNINGS")
endif ()
if (ZSTD_BUILD_STATIC)
set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_HEAPMODE=0;_CRT_SECURE_NO_WARNINGS")
endif ()
endif ()
# With MSVC static library needs to be renamed to avoid conflict with import library
if (MSVC OR (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT MINGW))
set(STATIC_LIBRARY_BASE_NAME zstd_static)
else ()
set(STATIC_LIBRARY_BASE_NAME zstd)
endif ()
# Define static and shared library names
if (ZSTD_BUILD_SHARED)
set_target_properties(
libzstd_shared
PROPERTIES
OUTPUT_NAME zstd
VERSION ${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}
SOVERSION ${zstd_VERSION_MAJOR})
endif ()
if (ZSTD_BUILD_STATIC)
set_target_properties(
libzstd_static
PROPERTIES
POSITION_INDEPENDENT_CODE On
OUTPUT_NAME ${STATIC_LIBRARY_BASE_NAME})
endif ()
# pkg-config
include(JoinPaths) # can be replaced by cmake_path(APPEND) in CMake 3.20
set(PREFIX "${CMAKE_INSTALL_PREFIX}")
set(EXEC_PREFIX "\${prefix}")
join_paths(LIBDIR "\${exec_prefix}" "${CMAKE_INSTALL_LIBDIR}")
join_paths(INCLUDEDIR "\${prefix}" "${CMAKE_INSTALL_INCLUDEDIR}")
set(LIBS_PRIVATE "${THREADS_LIBS}")
set(VERSION "${zstd_VERSION}")
configure_file("${LIBRARY_DIR}/libzstd.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libzstd.pc" @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libzstd.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
# install target
install(FILES
"${LIBRARY_DIR}/zstd.h"
"${LIBRARY_DIR}/zdict.h"
"${LIBRARY_DIR}/zstd_errors.h"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(TARGETS ${library_targets}
EXPORT zstdExports
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}"
)
# uninstall target
if (NOT TARGET uninstall)
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
IMMEDIATE @ONLY)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif ()

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@ -1,22 +0,0 @@
if(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt")
message(FATAL_ERROR "Cannot find install manifest: @CMAKE_BINARY_DIR@/install_manifest.txt")
endif()
file(READ "@CMAKE_BINARY_DIR@/install_manifest.txt" files)
string(REGEX REPLACE "\n" ";" files "${files}")
foreach(file ${files})
message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
exec_program(
"@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
OUTPUT_VARIABLE rm_out
RETURN_VALUE rm_retval
)
if(NOT "${rm_retval}" STREQUAL 0)
message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}")
endif()
else()
message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
endif()
endforeach()

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@ -1,5 +0,0 @@
# produced by make
zstd
zstd-frugal
unzstd
zstdcat

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@ -1,137 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(programs C)
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
# Define programs directory, where sources and header files are located
set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
set(PROGRAMS_DIR ${ZSTD_SOURCE_DIR}/programs)
include_directories(${PROGRAMS_DIR} ${LIBRARY_DIR} ${LIBRARY_DIR}/common ${LIBRARY_DIR}/compress ${LIBRARY_DIR}/dictBuilder)
if (ZSTD_LEGACY_SUPPORT)
set(PROGRAMS_LEGACY_DIR ${PROGRAMS_DIR}/legacy)
include_directories(${PROGRAMS_LEGACY_DIR} ${LIBRARY_DIR}/legacy)
endif ()
if (ZSTD_PROGRAMS_LINK_SHARED)
set(PROGRAMS_ZSTD_LINK_TARGET libzstd_shared)
else ()
set(PROGRAMS_ZSTD_LINK_TARGET libzstd_static)
endif ()
if (MSVC)
set(MSVC_RESOURCE_DIR ${ZSTD_SOURCE_DIR}/build/VS2010/zstd)
set(PlatformDependResources ${MSVC_RESOURCE_DIR}/zstd.rc)
endif ()
add_executable(zstd ${PROGRAMS_DIR}/zstdcli.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${PROGRAMS_DIR}/fileio.c ${PROGRAMS_DIR}/fileio_asyncio.c ${PROGRAMS_DIR}/benchfn.c ${PROGRAMS_DIR}/benchzstd.c ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/dibio.c ${PROGRAMS_DIR}/zstdcli_trace.c ${PlatformDependResources})
target_link_libraries(zstd ${PROGRAMS_ZSTD_LINK_TARGET})
if (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
target_link_libraries(zstd rt)
endif ()
install(TARGETS zstd
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}")
if (UNIX)
add_custom_target(zstdcat ALL ${CMAKE_COMMAND} -E create_symlink zstd zstdcat DEPENDS zstd COMMENT "Creating zstdcat symlink")
add_custom_target(unzstd ALL ${CMAKE_COMMAND} -E create_symlink zstd unzstd DEPENDS zstd COMMENT "Creating unzstd symlink")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zstdcat DESTINATION "${CMAKE_INSTALL_BINDIR}")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/unzstd DESTINATION "${CMAKE_INSTALL_BINDIR}")
install(PROGRAMS ${PROGRAMS_DIR}/zstdgrep DESTINATION "${CMAKE_INSTALL_BINDIR}")
install(PROGRAMS ${PROGRAMS_DIR}/zstdless DESTINATION "${CMAKE_INSTALL_BINDIR}")
add_custom_target(zstd.1 ALL
${CMAKE_COMMAND} -E copy ${PROGRAMS_DIR}/zstd.1 .
COMMENT "Copying manpage zstd.1")
add_custom_target(zstdgrep.1 ALL
${CMAKE_COMMAND} -E copy ${PROGRAMS_DIR}/zstdgrep.1 .
COMMENT "Copying manpage zstdgrep.1")
add_custom_target(zstdless.1 ALL
${CMAKE_COMMAND} -E copy ${PROGRAMS_DIR}/zstdless.1 .
COMMENT "Copying manpage zstdless.1")
add_custom_target(zstdcat.1 ALL ${CMAKE_COMMAND} -E create_symlink zstd.1 zstdcat.1 DEPENDS zstd.1 COMMENT "Creating zstdcat.1 symlink")
add_custom_target(unzstd.1 ALL ${CMAKE_COMMAND} -E create_symlink zstd.1 unzstd.1 DEPENDS zstd.1 COMMENT "Creating unzstd.1 symlink")
# Define MAN_INSTALL_DIR if necessary
if (MAN_INSTALL_DIR)
else ()
set(MAN_INSTALL_DIR ${CMAKE_INSTALL_MANDIR}/man1)
endif ()
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/zstd.1
${CMAKE_CURRENT_BINARY_DIR}/zstdcat.1
${CMAKE_CURRENT_BINARY_DIR}/unzstd.1
${CMAKE_CURRENT_BINARY_DIR}/zstdgrep.1
${CMAKE_CURRENT_BINARY_DIR}/zstdless.1
DESTINATION "${MAN_INSTALL_DIR}")
add_executable(zstd-frugal ${PROGRAMS_DIR}/zstdcli.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${PROGRAMS_DIR}/fileio.c ${PROGRAMS_DIR}/fileio_asyncio.c)
target_link_libraries(zstd-frugal ${PROGRAMS_ZSTD_LINK_TARGET})
set_property(TARGET zstd-frugal APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_NOBENCH;ZSTD_NODICT;ZSTD_NOTRACE")
endif ()
# Add multi-threading support definitions
if (ZSTD_MULTITHREAD_SUPPORT)
set_property(TARGET zstd APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
if (UNIX)
target_link_libraries(zstd ${THREADS_LIBS})
add_custom_target(zstdmt ALL ${CMAKE_COMMAND} -E create_symlink zstd zstdmt DEPENDS zstd COMMENT "Creating zstdmt symlink")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zstdmt DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif ()
endif ()
option(ZSTD_ZLIB_SUPPORT "ZLIB SUPPORT" OFF)
option(ZSTD_LZMA_SUPPORT "LZMA SUPPORT" OFF)
option(ZSTD_LZ4_SUPPORT "LZ4 SUPPORT" OFF)
# Add gzip support
if (ZSTD_ZLIB_SUPPORT)
find_package(ZLIB REQUIRED)
if (ZLIB_FOUND)
include_directories(${ZLIB_INCLUDE_DIRS})
target_link_libraries(zstd ${ZLIB_LIBRARIES})
set_property(TARGET zstd APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_GZCOMPRESS;ZSTD_GZDECOMPRESS")
else ()
message(SEND_ERROR "zlib library is missing")
endif ()
endif ()
# Add lzma support
if (ZSTD_LZMA_SUPPORT)
find_package(LibLZMA REQUIRED)
if (LIBLZMA_FOUND)
include_directories(${LIBLZMA_INCLUDE_DIRS})
target_link_libraries(zstd ${LIBLZMA_LIBRARIES})
set_property(TARGET zstd APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_LZMACOMPRESS;ZSTD_LZMADECOMPRESS")
else ()
message(SEND_ERROR "lzma library is missing")
endif ()
endif ()
# Add lz4 support
if (ZSTD_LZ4_SUPPORT)
find_package(LibLZ4 REQUIRED)
if (LIBLZ4_FOUND)
include_directories(${LIBLZ4_INCLUDE_DIRS})
target_link_libraries(zstd ${LIBLZ4_LIBRARIES})
set_property(TARGET zstd APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_LZ4COMPRESS;ZSTD_LZ4DECOMPRESS")
else ()
message(SEND_ERROR "lz4 library is missing")
endif ()
endif ()

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@ -1,6 +0,0 @@
# produced by make
datagen
fullbench
fuzzer
paramgrill

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@ -1,118 +0,0 @@
# ################################################################
# zstd - Makefile
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# BSD license
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# You can contact the author at :
# - zstd homepage : https://facebook.github.io/zstd/
# ################################################################
project(tests)
# name: Cache variable name. The value is expected to be a semicolon-separated
# list of command line flags
# default_value: Value to initialize the option with. Can be space separated.
function(AddTestFlagsOption name default_value doc)
string(STRIP "${default_value}" default_value)
string(REGEX REPLACE " +" ";" default_value "${default_value}")
set(${name} ${default_value} CACHE STRING "${doc}")
mark_as_advanced(${name})
endfunction()
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
# Define programs directory, where sources and header files are located
set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
set(PROGRAMS_DIR ${ZSTD_SOURCE_DIR}/programs)
set(TESTS_DIR ${ZSTD_SOURCE_DIR}/tests)
include_directories(${TESTS_DIR} ${PROGRAMS_DIR} ${LIBRARY_DIR} ${LIBRARY_DIR}/common ${LIBRARY_DIR}/compress ${LIBRARY_DIR}/dictBuilder)
add_executable(datagen ${PROGRAMS_DIR}/datagen.c ${TESTS_DIR}/datagencli.c)
target_link_libraries(datagen libzstd_static)
#
# fullbench
#
add_executable(fullbench ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${PROGRAMS_DIR}/benchfn.c ${PROGRAMS_DIR}/benchzstd.c ${TESTS_DIR}/fullbench.c)
if (NOT MSVC)
target_compile_options(fullbench PRIVATE "-Wno-deprecated-declarations")
endif()
target_link_libraries(fullbench libzstd_static)
add_test(NAME fullbench COMMAND fullbench ${ZSTD_FULLBENCH_FLAGS})
#
# fuzzer
#
add_executable(fuzzer ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${TESTS_DIR}/fuzzer.c)
if (NOT MSVC)
target_compile_options(fuzzer PRIVATE "-Wno-deprecated-declarations")
endif()
target_link_libraries(fuzzer libzstd_static)
AddTestFlagsOption(ZSTD_FUZZER_FLAGS "$ENV{FUZZERTEST} $ENV{FUZZER_FLAGS}"
"Semicolon-separated list of flags to pass to the fuzzer test (see `fuzzer -h` for usage)")
add_test(NAME fuzzer COMMAND fuzzer ${ZSTD_FUZZER_FLAGS})
# Disable the timeout since the run time is too long for the default timeout of
# 1500 seconds and varies considerably between low-end and high-end CPUs.
# set_tests_properties(fuzzer PROPERTIES TIMEOUT 0)
#
# zstreamtest
#
add_executable(zstreamtest ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${TESTS_DIR}/seqgen.c ${TESTS_DIR}/zstreamtest.c ${TESTS_DIR}/external_matchfinder.c)
if (NOT MSVC)
target_compile_options(zstreamtest PRIVATE "-Wno-deprecated-declarations")
endif()
target_link_libraries(zstreamtest libzstd_static)
AddTestFlagsOption(ZSTD_ZSTREAM_FLAGS "$ENV{ZSTREAM_TESTTIME} $ENV{FUZZER_FLAGS}"
"Semicolon-separated list of flags to pass to the zstreamtest test (see `zstreamtest -h` for usage)")
add_test(NAME zstreamtest COMMAND zstreamtest ${ZSTD_ZSTREAM_FLAGS})
#
# playTests.sh
#
AddTestFlagsOption(ZSTD_PLAYTESTS_FLAGS "$ENV{PLAYTESTS_FLAGS}"
"Semicolon-separated list of flags to pass to the playTests.sh test")
add_test(NAME playTests COMMAND sh -c "\"${TESTS_DIR}/playTests.sh\" ${ZSTD_PLAYTESTS_FLAGS}")
find_program(UNAME uname) # Run script only in unix shell environments
if (ZSTD_BUILD_PROGRAMS AND UNAME)
set_property(TEST playTests APPEND PROPERTY ENVIRONMENT
"ZSTD_BIN=$<TARGET_FILE:zstd>"
"DATAGEN_BIN=$<TARGET_FILE:datagen>"
)
else()
message(STATUS "Disabling playTests.sh test because requirements not met")
set_tests_properties(playTests PROPERTIES DISABLED YES)
endif()
# Label the "Medium" set of tests (see TESTING.md)
set_property(TEST fuzzer zstreamtest playTests APPEND PROPERTY LABELS Medium)
add_executable(paramgrill ${PROGRAMS_DIR}/benchfn.c ${PROGRAMS_DIR}/benchzstd.c ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/util.c ${PROGRAMS_DIR}/timefn.c ${TESTS_DIR}/paramgrill.c)
if (UNIX)
target_link_libraries(paramgrill libzstd_static m) #m is math library
else()
target_link_libraries(paramgrill libzstd_static)
endif ()

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include("${CMAKE_CURRENT_LIST_DIR}/zstdTargets.cmake")

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#!/usr/bin/env python3
# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
import re
def find_version_tuple(filepath):
version_file_data = None
with open(filepath) as fd:
version_file_data = fd.read()
patterns = r"""#\s*define\s+ZSTD_VERSION_MAJOR\s+([0-9]+)
#\s*define\s+ZSTD_VERSION_MINOR\s+([0-9]+)
#\s*define\s+ZSTD_VERSION_RELEASE\s+([0-9]+)
"""
regex = re.compile(patterns, re.MULTILINE)
version_match = regex.search(version_file_data)
if version_match:
return version_match.groups()
raise Exception("Unable to find version string")
def main():
import argparse
parser = argparse.ArgumentParser(description='Print zstd version from lib/zstd.h')
parser.add_argument('file', help='path to lib/zstd.h')
args = parser.parse_args()
version_tuple = find_version_tuple(args.file)
print('.'.join(version_tuple))
if __name__ == '__main__':
main()

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#!/usr/bin/env python3
# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
# This file should be synced with https://github.com/lzutao/meson-symlink
import os
import pathlib # since Python 3.4
def install_symlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777):
if not install_dir.exists():
install_dir.mkdir(mode=dir_mode, parents=True, exist_ok=True)
if not install_dir.is_dir():
raise NotADirectoryError(install_dir)
new_dst = install_dir.joinpath(dst)
if new_dst.is_symlink() and os.readlink(new_dst) == src:
print('File exists: {!r} -> {!r}'.format(new_dst, src))
return
print('Installing symlink {!r} -> {!r}'.format(new_dst, src))
new_dst.symlink_to(src, target_is_directory=dst_is_dir)
def main():
import argparse
parser = argparse.ArgumentParser(description='Install a symlink',
usage='{0} [-h] [-d] [-m MODE] source dest install_dir\n\n'
'example:\n'
' {0} dash sh /bin'.format(pathlib.Path(__file__).name))
parser.add_argument('source', help='target to link')
parser.add_argument('dest', help='link name')
parser.add_argument('install_dir', help='installation directory')
parser.add_argument('-d', '--isdir',
action='store_true',
help='dest is a directory')
parser.add_argument('-m', '--mode',
help='directory mode on creating if not exist',
default='0o755')
args = parser.parse_args()
dir_mode = int(args.mode, 8)
meson_destdir = os.environ.get('MESON_INSTALL_DESTDIR_PREFIX', default='')
install_dir = pathlib.Path(meson_destdir, args.install_dir)
install_symlink(args.source, args.dest, install_dir, args.isdir, dir_mode)
if __name__ == '__main__':
main()

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Meson build system for zstandard
================================
Meson is a build system designed to optimize programmer productivity.
It aims to do this by providing simple, out-of-the-box support for
modern software development tools and practices, such as unit tests,
coverage reports, Valgrind, CCache and the like.
This Meson build system is provided with no guarantee and maintained
by Dima Krasner \<dima@dimakrasner.com\>.
It outputs one `libzstd`, either shared or static, depending on
`default_library` option.
## How to build
`cd` to this meson directory (`build/meson`)
```sh
meson setup -Dbin_programs=true -Dbin_contrib=true builddir
cd builddir
ninja # to build
ninja install # to install
```
You might want to install it in staging directory:
```sh
DESTDIR=./staging ninja install
```
To configure build options, use:
```sh
meson configure
```
See [man meson(1)](https://manpages.debian.org/testing/meson/meson.1.en.html).

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# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
zstd_rootdir = '../../../..'
gen_html_includes = include_directories(join_paths(zstd_rootdir, 'programs'),
join_paths(zstd_rootdir, 'lib'),
join_paths(zstd_rootdir, 'lib/common'),
join_paths(zstd_rootdir, 'contrib/gen_html'))
gen_html = executable('gen_html',
join_paths(zstd_rootdir, 'contrib/gen_html/gen_html.cpp'),
include_directories: gen_html_includes,
native: true,
install: false)
# Update zstd manual
zstd_manual_html = custom_target('zstd_manual.html',
output : 'zstd_manual.html',
command : [gen_html,
zstd_version,
join_paths(meson.current_source_dir(), zstd_rootdir, 'lib/zstd.h'),
'@OUTPUT@'],
install : false)

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
subdir('pzstd')
subdir('gen_html')

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# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
zstd_rootdir = '../../../..'
pzstd_includes = include_directories(join_paths(zstd_rootdir, 'programs'),
join_paths(zstd_rootdir, 'contrib/pzstd'))
pzstd_sources = [join_paths(zstd_rootdir, 'programs/util.c'),
join_paths(zstd_rootdir, 'contrib/pzstd/main.cpp'),
join_paths(zstd_rootdir, 'contrib/pzstd/Options.cpp'),
join_paths(zstd_rootdir, 'contrib/pzstd/Pzstd.cpp'),
join_paths(zstd_rootdir, 'contrib/pzstd/SkippableFrame.cpp')]
pzstd = executable('pzstd',
pzstd_sources,
cpp_args: pzstd_warning_flags,
include_directories: pzstd_includes,
dependencies: [ libzstd_dep, thread_dep ],
override_options: ['b_ndebug=true'],
install: true)

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
zstd_rootdir = '../../..'
libzstd_includes = [include_directories(join_paths(zstd_rootdir,'lib'),
join_paths(zstd_rootdir, 'lib/common'),
join_paths(zstd_rootdir, 'lib/compress'),
join_paths(zstd_rootdir, 'lib/decompress'),
join_paths(zstd_rootdir, 'lib/dictBuilder'))]
libzstd_sources = [join_paths(zstd_rootdir, 'lib/common/entropy_common.c'),
join_paths(zstd_rootdir, 'lib/common/fse_decompress.c'),
join_paths(zstd_rootdir, 'lib/common/threading.c'),
join_paths(zstd_rootdir, 'lib/common/pool.c'),
join_paths(zstd_rootdir, 'lib/common/zstd_common.c'),
join_paths(zstd_rootdir, 'lib/common/error_private.c'),
join_paths(zstd_rootdir, 'lib/common/xxhash.c'),
join_paths(zstd_rootdir, 'lib/compress/hist.c'),
join_paths(zstd_rootdir, 'lib/compress/fse_compress.c'),
join_paths(zstd_rootdir, 'lib/compress/huf_compress.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_compress.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_compress_literals.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_compress_sequences.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_compress_superblock.c'),
join_paths(zstd_rootdir, 'lib/compress/zstdmt_compress.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_fast.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_double_fast.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_lazy.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_opt.c'),
join_paths(zstd_rootdir, 'lib/compress/zstd_ldm.c'),
join_paths(zstd_rootdir, 'lib/decompress/huf_decompress.c'),
join_paths(zstd_rootdir, 'lib/decompress/zstd_decompress.c'),
join_paths(zstd_rootdir, 'lib/decompress/zstd_decompress_block.c'),
join_paths(zstd_rootdir, 'lib/decompress/zstd_ddict.c'),
join_paths(zstd_rootdir, 'lib/dictBuilder/cover.c'),
join_paths(zstd_rootdir, 'lib/dictBuilder/fastcover.c'),
join_paths(zstd_rootdir, 'lib/dictBuilder/divsufsort.c'),
join_paths(zstd_rootdir, 'lib/dictBuilder/zdict.c')]
# really we need anything that defines __GNUC__ as that is what ZSTD_ASM_SUPPORTED is gated on
# but these are the two compilers that are supported in tree and actually handle this correctly
# Otherwise, explicitly disable assembly.
if [compiler_gcc, compiler_clang].contains(cc_id)
libzstd_sources += join_paths(zstd_rootdir, 'lib/decompress/huf_decompress_amd64.S')
else
add_project_arguments('-DZSTD_DISABLE_ASM', language: 'c')
endif
# Explicit define legacy support
add_project_arguments('-DZSTD_LEGACY_SUPPORT=@0@'.format(legacy_level),
language: 'c')
if legacy_level == 0
message('Legacy support: DISABLED')
else
# See ZSTD_LEGACY_SUPPORT of lib/README.md
message('Enable legacy support back to version 0.@0@'.format(legacy_level))
libzstd_includes += [ include_directories(join_paths(zstd_rootdir, 'lib/legacy')) ]
foreach i : [1, 2, 3, 4, 5, 6, 7]
if legacy_level <= i
libzstd_sources += join_paths(zstd_rootdir, 'lib/legacy/zstd_v0@0@.c'.format(i))
endif
endforeach
endif
libzstd_deps = []
if use_multi_thread
message('Enable multi-threading support')
add_project_arguments('-DZSTD_MULTITHREAD', language: 'c')
libzstd_deps = [ thread_dep ]
endif
libzstd_c_args = []
if cc_id == compiler_msvc
if default_library_type != 'static'
libzstd_sources += [windows_mod.compile_resources(
join_paths(zstd_rootdir, 'build/VS2010/libzstd-dll/libzstd-dll.rc'),
include_directories: libzstd_includes)]
libzstd_c_args += ['-DZSTD_DLL_EXPORT=1',
'-DZSTD_HEAPMODE=0',
'-D_CONSOLE',
'-D_CRT_SECURE_NO_WARNINGS']
else
libzstd_c_args += ['-DZSTD_HEAPMODE=0',
'-D_CRT_SECURE_NO_WARNINGS']
endif
endif
mingw_ansi_stdio_flags = []
if host_machine_os == os_windows and cc_id == compiler_gcc
mingw_ansi_stdio_flags = [ '-D__USE_MINGW_ANSI_STDIO' ]
endif
libzstd_c_args += mingw_ansi_stdio_flags
libzstd_debug_cflags = []
if use_debug
libzstd_c_args += '-DDEBUGLEVEL=@0@'.format(debug_level)
if cc_id == compiler_gcc or cc_id == compiler_clang
libzstd_debug_cflags = ['-Wstrict-aliasing=1', '-Wswitch-enum',
'-Wdeclaration-after-statement', '-Wstrict-prototypes',
'-Wundef', '-Wpointer-arith', '-Wvla',
'-Wformat=2', '-Winit-self', '-Wfloat-equal', '-Wwrite-strings',
'-Wredundant-decls', '-Wmissing-prototypes', '-Wc++-compat']
endif
endif
libzstd_c_args += cc.get_supported_arguments(libzstd_debug_cflags)
libzstd = library('zstd',
libzstd_sources,
include_directories: libzstd_includes,
c_args: libzstd_c_args,
gnu_symbol_visibility: 'hidden',
dependencies: libzstd_deps,
install: true,
version: zstd_libversion)
libzstd_dep = declare_dependency(link_with: libzstd,
include_directories: libzstd_includes)
# we link to both:
# - the shared library (for public symbols)
# - the static library (for private symbols)
#
# this is needed because internally private symbols are used all the time, and
# -fvisibility=hidden means those cannot be found
if get_option('default_library') == 'static'
libzstd_static = libzstd
libzstd_internal_dep = libzstd_dep
else
if get_option('default_library') == 'shared'
libzstd_static = static_library('zstd_objlib',
objects: libzstd.extract_all_objects(recursive: true),
build_by_default: false)
else
libzstd_static = libzstd.get_static_lib()
endif
if cc_id == compiler_msvc
# msvc does not actually support linking to both, but errors out with:
# error LNK2005: ZSTD_<foo> already defined in zstd.lib(zstd-1.dll)
libzstd_internal_dep = declare_dependency(link_with: libzstd_static)
else
libzstd_internal_dep = declare_dependency(link_with: libzstd,
# the static library must be linked after the shared one
dependencies: declare_dependency(link_with: libzstd_static))
endif
endif
pkgconfig.generate(libzstd,
name: 'libzstd',
filebase: 'libzstd',
description: 'fast lossless compression algorithm library',
version: zstd_libversion,
url: 'https://facebook.github.io/zstd/')
install_headers(join_paths(zstd_rootdir, 'lib/zstd.h'),
join_paths(zstd_rootdir, 'lib/zdict.h'),
join_paths(zstd_rootdir, 'lib/zstd_errors.h'))

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
project('zstd',
['c', 'cpp'],
license: ['BSD', 'GPLv2'],
default_options : [
# There shouldn't be any need to force a C standard convention for zstd
# but in case one would want that anyway, this can be done here.
# 'c_std=gnu99',
# c++11 standard is useful for pzstd
'cpp_std=c++11',
'buildtype=release',
'warning_level=3',
# -Wdocumentation does not actually pass, nor do the test binaries,
# so this isn't safe
#'werror=true'
],
version: run_command(
find_program('GetZstdLibraryVersion.py'), '../../lib/zstd.h',
check: true).stdout().strip(),
meson_version: '>=0.50.0')
cc = meson.get_compiler('c')
cxx = meson.get_compiler('cpp')
pkgconfig = import('pkgconfig')
windows_mod = import('windows')
host_machine_os = host_machine.system()
os_windows = 'windows'
os_linux = 'linux'
os_darwin = 'darwin'
os_freebsd = 'freebsd'
os_sun = 'sunos'
cc_id = cc.get_id()
compiler_gcc = 'gcc'
compiler_clang = 'clang'
compiler_msvc = 'msvc'
zstd_version = meson.project_version()
zstd_libversion = zstd_version
# =============================================================================
# Installation directories
# =============================================================================
zstd_prefix = get_option('prefix')
zstd_bindir = get_option('bindir')
zstd_datadir = get_option('datadir')
zstd_mandir = get_option('mandir')
zstd_docdir = join_paths(zstd_datadir, 'doc', meson.project_name())
# =============================================================================
# Project options
# =============================================================================
# Built-in options
use_debug = get_option('debug')
buildtype = get_option('buildtype')
default_library_type = get_option('default_library')
# Custom options
debug_level = get_option('debug_level')
legacy_level = get_option('legacy_level')
use_backtrace = get_option('backtrace')
use_static_runtime = get_option('static_runtime')
bin_programs = get_option('bin_programs')
bin_contrib = get_option('bin_contrib')
bin_tests = get_option('bin_tests')
feature_multi_thread = get_option('multi_thread')
feature_zlib = get_option('zlib')
feature_lzma = get_option('lzma')
feature_lz4 = get_option('lz4')
# =============================================================================
# Dependencies
# =============================================================================
libm_dep = cc.find_library('m', required: false)
thread_dep = dependency('threads', required: feature_multi_thread)
use_multi_thread = thread_dep.found()
# Arguments in dependency should be equivalent to those passed to pkg-config
zlib_dep = dependency('zlib', required: feature_zlib)
use_zlib = zlib_dep.found()
lzma_dep = dependency('liblzma', required: feature_lzma)
use_lzma = lzma_dep.found()
lz4_dep = dependency('liblz4', required: feature_lz4)
use_lz4 = lz4_dep.found()
# =============================================================================
# Compiler flags
# =============================================================================
add_project_arguments('-DXXH_NAMESPACE=ZSTD_', language: ['c'])
pzstd_warning_flags = []
if [compiler_gcc, compiler_clang].contains(cc_id)
common_warning_flags = [ '-Wundef', '-Wshadow', '-Wcast-align', '-Wcast-qual' ]
pzstd_warning_flags = ['-Wno-shadow', '-Wno-deprecated-declarations']
if cc_id == compiler_clang
common_warning_flags += ['-Wconversion', '-Wno-sign-conversion', '-Wdocumentation']
endif
cc_compile_flags = cc.get_supported_arguments(common_warning_flags + ['-Wstrict-prototypes'])
cxx_compile_flags = cxx.get_supported_arguments(common_warning_flags)
add_project_arguments(cc_compile_flags, language : 'c')
add_project_arguments(cxx_compile_flags, language : 'cpp')
elif cc_id == compiler_msvc
msvc_compile_flags = [ '/D_UNICODE', '/DUNICODE' ]
if use_multi_thread
msvc_compile_flags += '/MP'
endif
if use_static_runtime
msvc_compile_flags += '/MT'
endif
add_project_arguments(msvc_compile_flags, language: ['c', 'cpp'])
endif
# =============================================================================
# Subdirs
# =============================================================================
subdir('lib')
if bin_programs or bin_tests
subdir('programs')
endif
if bin_tests
subdir('tests')
endif
if bin_contrib
subdir('contrib')
endif

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
# Read guidelines from https://wiki.gnome.org/Initiatives/GnomeGoals/MesonPorting
option('legacy_level', type: 'integer', min: 0, max: 7, value: 5,
description: 'Support any legacy format: 7 to 1 for v0.7+ to v0.1+')
option('debug_level', type: 'integer', min: 0, max: 9, value: 1,
description: 'Enable run-time debug. See lib/common/debug.h')
option('backtrace', type: 'feature', value: 'disabled',
description: 'Display a stack backtrace when execution generates a runtime exception')
option('static_runtime', type: 'boolean', value: false,
description: 'Link to static run-time libraries on MSVC')
option('bin_programs', type: 'boolean', value: true,
description: 'Enable programs build')
option('bin_tests', type: 'boolean', value: false,
description: 'Enable tests build')
option('bin_contrib', type: 'boolean', value: false,
description: 'Enable contrib build')
option('multi_thread', type: 'feature', value: 'enabled',
description: 'Enable multi-threading when pthread is detected')
option('zlib', type: 'feature', value: 'auto',
description: 'Enable zlib support')
option('lzma', type: 'feature', value: 'auto',
description: 'Enable lzma support')
option('lz4', type: 'feature', value: 'auto',
description: 'Enable lz4 support')

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
zstd_rootdir = '../../..'
zstd_programs_sources = [join_paths(zstd_rootdir, 'programs/zstdcli.c'),
join_paths(zstd_rootdir, 'programs/util.c'),
join_paths(zstd_rootdir, 'programs/timefn.c'),
join_paths(zstd_rootdir, 'programs/fileio.c'),
join_paths(zstd_rootdir, 'programs/fileio_asyncio.c'),
join_paths(zstd_rootdir, 'programs/benchfn.c'),
join_paths(zstd_rootdir, 'programs/benchzstd.c'),
join_paths(zstd_rootdir, 'programs/datagen.c'),
join_paths(zstd_rootdir, 'programs/dibio.c'),
join_paths(zstd_rootdir, 'programs/zstdcli_trace.c')]
zstd_deps = [ libzstd_internal_dep ]
zstd_c_args = libzstd_debug_cflags
zstd_frugal_deps = [ libzstd_internal_dep ]
zstd_frugal_c_args = [ '-DZSTD_NOBENCH', '-DZSTD_NODICT', '-DZSTD_NOTRACE' ]
if use_multi_thread
zstd_deps += [ thread_dep ]
zstd_c_args += [ '-DZSTD_MULTITHREAD' ]
zstd_frugal_deps += [ thread_dep ]
zstd_frugal_c_args += [ '-DZSTD_MULTITHREAD' ]
endif
if use_zlib
zstd_deps += [ zlib_dep ]
zstd_c_args += [ '-DZSTD_GZCOMPRESS', '-DZSTD_GZDECOMPRESS' ]
endif
if use_lzma
zstd_deps += [ lzma_dep ]
zstd_c_args += [ '-DZSTD_LZMACOMPRESS', '-DZSTD_LZMADECOMPRESS' ]
endif
if use_lz4
zstd_deps += [ lz4_dep ]
zstd_c_args += [ '-DZSTD_LZ4COMPRESS', '-DZSTD_LZ4DECOMPRESS' ]
endif
export_dynamic_on_windows = false
# explicit backtrace enable/disable for Linux & Darwin
have_execinfo = cc.has_header('execinfo.h', required: use_backtrace)
if not have_execinfo
zstd_c_args += '-DBACKTRACE_ENABLE=0'
elif use_debug and host_machine_os == os_windows # MinGW target
zstd_c_args += '-DBACKTRACE_ENABLE=1'
export_dynamic_on_windows = true
endif
if cc_id == compiler_msvc
if default_library_type != 'static'
zstd_programs_sources += [windows_mod.compile_resources(
join_paths(zstd_rootdir, 'build/VS2010/zstd/zstd.rc'),
include_directories: libzstd_includes)]
endif
endif
zstd = executable('zstd',
zstd_programs_sources,
c_args: zstd_c_args,
dependencies: zstd_deps,
export_dynamic: export_dynamic_on_windows, # Since Meson 0.45.0
build_by_default: bin_programs,
install: bin_programs)
if not bin_programs
# we generate rules to build the programs, but don't install anything
# so do not continue to installing scripts and manpages
subdir_done()
endif
zstd_frugal_sources = [join_paths(zstd_rootdir, 'programs/zstdcli.c'),
join_paths(zstd_rootdir, 'programs/timefn.c'),
join_paths(zstd_rootdir, 'programs/util.c'),
join_paths(zstd_rootdir, 'programs/fileio.c'),
join_paths(zstd_rootdir, 'programs/fileio_asyncio.c')]
# Minimal target, with only zstd compression and decompression.
# No bench. No legacy.
executable('zstd-frugal',
zstd_frugal_sources,
dependencies: zstd_frugal_deps,
c_args: zstd_frugal_c_args,
install: true)
install_data(join_paths(zstd_rootdir, 'programs/zstdgrep'),
join_paths(zstd_rootdir, 'programs/zstdless'),
install_dir: zstd_bindir)
# =============================================================================
# Programs and manpages installing
# =============================================================================
install_man(join_paths(zstd_rootdir, 'programs/zstd.1'),
join_paths(zstd_rootdir, 'programs/zstdgrep.1'),
join_paths(zstd_rootdir, 'programs/zstdless.1'))
InstallSymlink_py = '../InstallSymlink.py'
zstd_man1_dir = join_paths(zstd_mandir, 'man1')
bin_EXT = host_machine_os == os_windows ? '.exe' : ''
man1_EXT = meson.version().version_compare('>=0.49.0') ? '.1' : '.1.gz'
foreach f : ['zstdcat', 'unzstd']
meson.add_install_script(InstallSymlink_py, 'zstd' + bin_EXT, f + bin_EXT, zstd_bindir)
meson.add_install_script(InstallSymlink_py, 'zstd' + man1_EXT, f + man1_EXT, zstd_man1_dir)
endforeach
if use_multi_thread
meson.add_install_script(InstallSymlink_py, 'zstd' + bin_EXT, 'zstdmt' + bin_EXT, zstd_bindir)
meson.add_install_script(InstallSymlink_py, 'zstd' + man1_EXT, 'zstdmt' + man1_EXT, zstd_man1_dir)
endif

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# #############################################################################
# Copyright (c) 2018-present Dima Krasner <dima@dimakrasner.com>
# lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
zstd_rootdir = '../../..'
tests_supported_oses = [os_linux, 'gnu/kfreebsd', os_darwin, 'gnu', 'openbsd',
os_freebsd, 'netbsd', 'dragonfly', os_sun]
# =============================================================================
# Test flags
# =============================================================================
FUZZER_FLAGS = ['--no-big-tests']
FUZZERTEST = '-T200s'
ZSTREAM_TESTTIME = '-T90s'
DECODECORPUS_TESTTIME = '-T30'
# =============================================================================
# Executables
# =============================================================================
test_includes = [ include_directories(join_paths(zstd_rootdir, 'programs')) ]
testcommon_sources = [join_paths(zstd_rootdir, 'programs/datagen.c'),
join_paths(zstd_rootdir, 'programs/util.c'),
join_paths(zstd_rootdir, 'programs/timefn.c'),
join_paths(zstd_rootdir, 'programs/benchfn.c'),
join_paths(zstd_rootdir, 'programs/benchzstd.c')]
testcommon = static_library('testcommon',
testcommon_sources,
# needed due to use of private symbol + -fvisibility=hidden
link_with: libzstd_static)
testcommon_dep = declare_dependency(link_with: testcommon,
dependencies: libzstd_deps,
include_directories: libzstd_includes)
datagen_sources = [join_paths(zstd_rootdir, 'tests/datagencli.c')]
datagen = executable('datagen',
datagen_sources,
c_args: [ '-DNDEBUG' ],
include_directories: test_includes,
dependencies: testcommon_dep,
install: false)
fullbench_sources = [join_paths(zstd_rootdir, 'tests/fullbench.c')]
fullbench = executable('fullbench',
fullbench_sources,
include_directories: test_includes,
dependencies: testcommon_dep,
install: false)
fuzzer_sources = [join_paths(zstd_rootdir, 'tests/fuzzer.c')]
fuzzer = executable('fuzzer',
fuzzer_sources,
include_directories: test_includes,
dependencies: [ testcommon_dep, thread_dep ],
install: false)
zstreamtest_sources = [
join_paths(zstd_rootdir, 'tests/seqgen.c'),
join_paths(zstd_rootdir, 'tests/zstreamtest.c'),
join_paths(zstd_rootdir, 'tests/external_matchfinder.c')]
zstreamtest = executable('zstreamtest',
zstreamtest_sources,
include_directories: test_includes,
dependencies: testcommon_dep,
install: false)
paramgrill_sources = [join_paths(zstd_rootdir, 'tests/paramgrill.c')]
paramgrill = executable('paramgrill',
paramgrill_sources,
include_directories: test_includes,
dependencies: [ testcommon_dep, libm_dep ],
install: false)
roundTripCrash_sources = [join_paths(zstd_rootdir, 'tests/roundTripCrash.c')]
roundTripCrash = executable('roundTripCrash',
roundTripCrash_sources,
dependencies: [ testcommon_dep ],
install: false)
longmatch_sources = [join_paths(zstd_rootdir, 'tests/longmatch.c')]
longmatch = executable('longmatch',
longmatch_sources,
dependencies: [ libzstd_dep ],
install: false)
invalidDictionaries_sources = [join_paths(zstd_rootdir, 'tests/invalidDictionaries.c')]
invalidDictionaries = executable('invalidDictionaries',
invalidDictionaries_sources,
dependencies: [ libzstd_dep ],
install: false)
if 0 < legacy_level and legacy_level <= 4
legacy_sources = [join_paths(zstd_rootdir, 'tests/legacy.c')]
legacy = executable('legacy',
legacy_sources,
# Use -Dlegacy_level build option to control it
#c_args: '-DZSTD_LEGACY_SUPPORT=4',
dependencies: [ libzstd_dep ],
install: false)
endif
decodecorpus_sources = [join_paths(zstd_rootdir, 'tests/decodecorpus.c')]
decodecorpus = executable('decodecorpus',
decodecorpus_sources,
include_directories: test_includes,
dependencies: [ testcommon_dep, libm_dep ],
install: false)
poolTests_sources = [join_paths(zstd_rootdir, 'tests/poolTests.c')]
poolTests = executable('poolTests',
poolTests_sources,
include_directories: test_includes,
dependencies: [ testcommon_dep, thread_dep ],
install: false)
checkTag_sources = [join_paths(zstd_rootdir, 'tests/checkTag.c')]
checkTag = executable('checkTag',
checkTag_sources,
dependencies: [ libzstd_dep ],
install: false)
# =============================================================================
# Tests (Use "meson test --list" to list all tests)
# =============================================================================
if tests_supported_oses.contains(host_machine_os)
valgrind_prog = find_program('valgrind', ['/usr/bin/valgrind'], required: false)
valgrindTest_py = files('valgrindTest.py')
if valgrind_prog.found()
test('valgrindTest',
valgrindTest_py,
args: [valgrind_prog.path(), zstd, datagen, fuzzer, fullbench],
depends: [zstd, datagen, fuzzer, fullbench],
timeout: 600) # Timeout should work on HDD drive
endif
endif
if host_machine_os != os_windows
playTests_sh = find_program(join_paths(zstd_rootdir, 'tests/playTests.sh'), required: true)
# add slow tests only if the meson version is new enough to support
# test setups with default-excluded suites
if meson.version().version_compare('>=0.57.0')
matrix = {'fast': [], 'slow': ['--test-large-data']}
else
matrix = {'fast': []}
endif
foreach suite, opt: matrix
test('test-zstd-'+suite,
playTests_sh,
args: opt,
env: ['ZSTD_BIN=' + zstd.full_path(), 'DATAGEN_BIN=./datagen'],
depends: [datagen, zstd],
suite: suite,
workdir: meson.current_build_dir(),
timeout: 2800) # Timeout should work on HDD drive
endforeach
endif
test('test-fullbench-1',
fullbench,
args: ['-i1'],
depends: [datagen],
timeout: 60)
test('test-fullbench-2',
fullbench,
args: ['-i1', '-P0'],
depends: [datagen],
timeout: 60)
if use_zlib
test('test-fuzzer',
fuzzer,
args: ['-v', FUZZERTEST] + FUZZER_FLAGS,
timeout: 480)
endif
test('test-zstream-1',
zstreamtest,
args: ['-v', ZSTREAM_TESTTIME] + FUZZER_FLAGS,
timeout: 240)
test('test-zstream-3',
zstreamtest,
args: ['--newapi', '-t1', ZSTREAM_TESTTIME] + FUZZER_FLAGS,
timeout: 120)
test('test-longmatch', longmatch, timeout: 36)
test('test-invalidDictionaries', invalidDictionaries) # should be fast
if 0 < legacy_level and legacy_level <= 4
test('test-legacy', legacy) # should be fast
endif
test('test-decodecorpus',
decodecorpus,
args: ['-t', DECODECORPUS_TESTTIME],
timeout: 60)
test('test-poolTests', poolTests) # should be fast
if meson.version().version_compare('>=0.57.0')
add_test_setup('fast',
is_default: true,
exclude_suites: ['slow'])
add_test_setup('slow',
exclude_suites: ['fast'])
endif

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#!/usr/bin/env python3
# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
import os
import subprocess
import tempfile
def valgrindTest(valgrind, datagen, fuzzer, zstd, fullbench):
VALGRIND_ARGS = [valgrind, '--leak-check=full', '--show-leak-kinds=all', '--error-exitcode=1']
print('\n ---- valgrind tests : memory analyzer ----')
subprocess.check_call([*VALGRIND_ARGS, datagen, '-g50M'], stdout=subprocess.DEVNULL)
if subprocess.call([*VALGRIND_ARGS, zstd],
stdout=subprocess.DEVNULL) == 0:
raise subprocess.SubprocessError('zstd without argument should have failed')
with subprocess.Popen([datagen, '-g80'], stdout=subprocess.PIPE) as p1, \
subprocess.Popen([*VALGRIND_ARGS, zstd, '-', '-c'],
stdin=p1.stdout,
stdout=subprocess.DEVNULL) as p2:
p1.stdout.close() # Allow p1 to receive a SIGPIPE if p2 exits.
p2.communicate()
if p2.returncode != 0:
raise subprocess.SubprocessError()
with subprocess.Popen([datagen, '-g16KB'], stdout=subprocess.PIPE) as p1, \
subprocess.Popen([*VALGRIND_ARGS, zstd, '-vf', '-', '-c'],
stdin=p1.stdout,
stdout=subprocess.DEVNULL) as p2:
p1.stdout.close()
p2.communicate()
if p2.returncode != 0:
raise subprocess.SubprocessError()
with tempfile.NamedTemporaryFile() as tmp_fd:
with subprocess.Popen([datagen, '-g2930KB'], stdout=subprocess.PIPE) as p1, \
subprocess.Popen([*VALGRIND_ARGS, zstd, '-5', '-vf', '-', '-o', tmp_fd.name],
stdin=p1.stdout) as p2:
p1.stdout.close()
p2.communicate()
if p2.returncode != 0:
raise subprocess.SubprocessError()
subprocess.check_call([*VALGRIND_ARGS, zstd, '-vdf', tmp_fd.name, '-c'],
stdout=subprocess.DEVNULL)
with subprocess.Popen([datagen, '-g64MB'], stdout=subprocess.PIPE) as p1, \
subprocess.Popen([*VALGRIND_ARGS, zstd, '-vf', '-', '-c'],
stdin=p1.stdout,
stdout=subprocess.DEVNULL) as p2:
p1.stdout.close()
p2.communicate()
if p2.returncode != 0:
raise subprocess.SubprocessError()
subprocess.check_call([*VALGRIND_ARGS, fuzzer, '-T1mn', '-t1'])
subprocess.check_call([*VALGRIND_ARGS, fullbench, '-i1'])
def main():
import argparse
parser = argparse.ArgumentParser(description='Valgrind tests : memory analyzer')
parser.add_argument('valgrind', help='valgrind path')
parser.add_argument('zstd', help='zstd path')
parser.add_argument('datagen', help='datagen path')
parser.add_argument('fuzzer', help='fuzzer path')
parser.add_argument('fullbench', help='fullbench path')
args = parser.parse_args()
valgrind = args.valgrind
zstd = args.zstd
datagen = args.datagen
fuzzer = args.fuzzer
fullbench = args.fullbench
valgrindTest(valgrind, datagen, fuzzer, zstd, fullbench)
if __name__ == '__main__':
main()

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# build artifacts
zstddeclib.c
zstdenclib.c
zstd.c
zstd.h
# test artifacts
temp*

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# Single File Zstandard Libraries
The script `combine.sh` creates an _amalgamated_ source file that can be used with or without `zstd.h`. This isn't a _header-only_ file but it does offer a similar level of simplicity when integrating into a project.
All it now takes to support Zstd in your own projects is the addition of a single file, two if using the header, with no configuration or further build steps.
Decompressor
------------
This is the most common use case. The decompression library is small, adding, for example, 26kB to an Emscripten compiled WebAssembly project. Native implementations add a little more, 40-70kB depending on the compiler and platform.
Create `zstddeclib.c` from the Zstd source using:
```
cd zstd/build/single_file_libs
python3 combine.py -r ../../lib -x legacy/zstd_legacy.h -o zstddeclib.c zstddeclib-in.c
```
Then add the resulting file to your project (see the [example files](examples)).
`create_single_file_decoder.sh` will run the above script, creating the file `zstddeclib.c` (`build_decoder_test.sh` will also create `zstddeclib.c`, then compile and test the result).
Full Library
------------
The same tool can amalgamate the entire Zstd library for ease of adding both compression and decompression to a project. The [roundtrip example](examples/roundtrip.c) uses the original `zstd.h` with the remaining source files combined into `zstd.c` (currently just over 1.2MB) created from `zstd-in.c`. As with the standalone decoder the most useful compile flags have already been rolled-in and the resulting file can be added to a project as-is.
Create `zstd.c` from the Zstd source using:
```
cd zstd/build/single_file_libs
python3 combine.py -r ../../lib -x legacy/zstd_legacy.h -k zstd.h -o zstd.c zstd-in.c
```
It's possible to create a compressor-only library but since the decompressor is so small in comparison this doesn't bring much of a gain (but for the curious, simply remove the files in the _decompress_ section at the end of `zstd-in.c`).
`create_single_file_library.sh` will run the script to create `zstd.c` (`build_library_test.sh` will also create `zstd.c`, then compile and test the result).

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#!/bin/sh
# Temporary compiled binary
OUT_FILE="tempbin"
# Optional temporary compiled WebAssembly
OUT_WASM="temp.wasm"
# Source files to compile using Emscripten.
IN_FILES="examples/emscripten.c"
# Emscripten build using emcc.
emscripten_emcc_build() {
# Compile the same example as above
CC_FLAGS="-Wall -Wextra -Wshadow -Werror -Os -g0 -flto"
emcc $CC_FLAGS -s WASM=1 -I. -o $OUT_WASM $IN_FILES
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling ${IN_FILES}: FAILED"
exit 1
fi
echo "Compiling ${IN_FILES}: PASSED"
rm -f $OUT_WASM
}
# Emscripten build using docker.
emscripten_docker_build() {
docker container run --rm \
--volume $PWD:/code \
--workdir /code \
emscripten/emsdk:latest \
emcc $CC_FLAGS -s WASM=1 -I. -o $OUT_WASM $IN_FILES
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling ${IN_FILES} (using docker): FAILED"
exit 1
fi
echo "Compiling ${IN_FILES} (using docker): PASSED"
rm -f $OUT_WASM
}
# Try Emscripten build using emcc or docker.
try_emscripten_build() {
which emcc > /dev/null
if [ $? -eq 0 ]; then
emscripten_emcc_build
return $?
fi
which docker > /dev/null
if [ $? -eq 0 ]; then
emscripten_docker_build
return $?
fi
echo "(Skipping Emscripten test)"
}
# Amalgamate the sources
./create_single_file_decoder.sh
# Did combining work?
if [ $? -ne 0 ]; then
echo "Single file decoder creation script: FAILED"
exit 1
fi
echo "Single file decoder creation script: PASSED"
# Compile the generated output
cc -Wall -Wextra -Wshadow -Werror -Os -g0 -o $OUT_FILE examples/simple.c
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling simple.c: FAILED"
exit 1
fi
echo "Compiling simple.c: PASSED"
# Run then delete the compiled output
./$OUT_FILE
retVal=$?
rm -f $OUT_FILE
# Did the test work?
if [ $retVal -ne 0 ]; then
echo "Running simple.c: FAILED"
exit 1
fi
echo "Running simple.c: PASSED"
# Try Emscripten build if emcc or docker command is available.
try_emscripten_build
exit 0

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#!/bin/sh
# Where to find the sources (only used to copy zstd.h)
ZSTD_SRC_ROOT="../../lib"
# Temporary compiled binary
OUT_FILE="tempbin"
# Optional temporary compiled WebAssembly
OUT_WASM="temp.wasm"
# Source files to compile using Emscripten.
IN_FILES="zstd.c examples/roundtrip.c"
# Emscripten build using emcc.
emscripten_emcc_build() {
# Compile the same example as above
CC_FLAGS="-Wall -Wextra -Wshadow -Werror -Os -g0 -flto"
emcc $CC_FLAGS -s WASM=1 -I. -o $OUT_WASM $IN_FILES
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling ${IN_FILES}: FAILED"
exit 1
fi
echo "Compiling ${IN_FILES}: PASSED"
rm -f $OUT_WASM
}
# Emscripten build using docker.
emscripten_docker_build() {
docker container run --rm \
--volume $PWD:/code \
--workdir /code \
emscripten/emsdk:latest \
emcc $CC_FLAGS -s WASM=1 -I. -o $OUT_WASM $IN_FILES
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling ${IN_FILES} (using docker): FAILED"
exit 1
fi
echo "Compiling ${IN_FILES} (using docker): PASSED"
rm -f $OUT_WASM
}
# Try Emscripten build using emcc or docker.
try_emscripten_build() {
which emcc > /dev/null
if [ $? -eq 0 ]; then
emscripten_emcc_build
return $?
fi
which docker > /dev/null
if [ $? -eq 0 ]; then
emscripten_docker_build
return $?
fi
echo "(Skipping Emscripten test)"
}
# Amalgamate the sources
./create_single_file_library.sh
# Did combining work?
if [ $? -ne 0 ]; then
echo "Single file library creation script: FAILED"
exit 1
fi
echo "Single file library creation script: PASSED"
# Copy the header to here (for the tests)
cp "$ZSTD_SRC_ROOT/zstd.h" examples/zstd.h
# Compile the generated output
cc -Wall -Wextra -Werror -Wshadow -pthread -I. -Os -g0 -o $OUT_FILE zstd.c examples/roundtrip.c
# Did compilation work?
if [ $? -ne 0 ]; then
echo "Compiling roundtrip.c: FAILED"
exit 1
fi
echo "Compiling roundtrip.c: PASSED"
# Run then delete the compiled output
./$OUT_FILE
retVal=$?
rm -f $OUT_FILE
# Did the test work?
if [ $retVal -ne 0 ]; then
echo "Running roundtrip.c: FAILED"
exit 1
fi
echo "Running roundtrip.c: PASSED"
# Try Emscripten build if emcc or docker command is available.
try_emscripten_build
exit 0

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@ -1,234 +0,0 @@
#!/usr/bin/env python3
# Tool to bundle multiple C/C++ source files, inlining any includes.
#
# Note: there are two types of exclusion options: the '-x' flag, which besides
# excluding a file also adds an #error directive in place of the #include, and
# the '-k' flag, which keeps the #include and doesn't inline the file. The
# intended use cases are: '-x' for files that would normally be #if'd out, so
# features that 100% won't be used in the amalgamated file, for which every
# occurrence adds the error, and '-k' for headers that we wish to manually
# include, such as a project's public API, for which occurrences after the first
# are removed.
#
# Todo: the error handling could be better, which currently throws and halts
# (which is functional just not very friendly).
#
# Author: Carl Woffenden, Numfum GmbH (this script is released under a CC0 license/Public Domain)
import argparse, re, sys
from pathlib import Path
from typing import Any, List, Optional, Pattern, Set, TextIO
# Set of file roots when searching (equivalent to -I paths for the compiler).
roots: Set[Path] = set()
# Set of (canonical) file Path objects to exclude from inlining (and not only
# exclude but to add a compiler error directive when they're encountered).
excludes: Set[Path] = set()
# Set of (canonical) file Path objects to keep as include directives.
keeps: Set[Path] = set()
# Whether to keep the #pragma once directives (unlikely, since this will result
# in a warning, but the option is there).
keep_pragma: bool = False
# Destination file object (or stdout if no output file was supplied).
destn: TextIO = sys.stdout
# Set of file Path objects previously inlined (and to ignore if reencountering).
found: Set[Path] = set()
# Compiled regex Pattern to handle "#pragma once" in various formats:
#
# #pragma once
# #pragma once
# # pragma once
# #pragma once
# #pragma once // comment
#
# Ignoring commented versions, same as include_regex.
#
pragma_regex: Pattern = re.compile(r'^\s*#\s*pragma\s*once\s*')
# Compiled regex Pattern to handle the following type of file includes:
#
# #include "file"
# #include "file"
# # include "file"
# #include "file"
# #include "file" // comment
# #include "file" // comment with quote "
#
# And all combinations of, as well as ignoring the following:
#
# #include <file>
# //#include "file"
# /*#include "file"*/
#
# We don't try to catch errors since the compiler will do this (and the code is
# expected to be valid before processing) and we don't care what follows the
# file (whether it's a valid comment or not, since anything after the quoted
# string is ignored)
#
include_regex: Pattern = re.compile(r'^\s*#\s*include\s*"(.+?)"')
# Simple tests to prove include_regex's cases.
#
def test_match_include() -> bool:
if (include_regex.match('#include "file"') and
include_regex.match(' #include "file"') and
include_regex.match('# include "file"') and
include_regex.match('#include "file"') and
include_regex.match('#include "file" // comment')):
if (not include_regex.match('#include <file>') and
not include_regex.match('//#include "file"') and
not include_regex.match('/*#include "file"*/')):
found = include_regex.match('#include "file" // "')
if (found and found.group(1) == 'file'):
print('#include match valid')
return True
return False
# Simple tests to prove pragma_regex's cases.
#
def test_match_pragma() -> bool:
if (pragma_regex.match('#pragma once') and
pragma_regex.match(' #pragma once') and
pragma_regex.match('# pragma once') and
pragma_regex.match('#pragma once') and
pragma_regex.match('#pragma once // comment')):
if (not pragma_regex.match('//#pragma once') and
not pragma_regex.match('/*#pragma once*/')):
print('#pragma once match valid')
return True
return False
# Finds 'file'. First the list of 'root' paths are searched, followed by the
# currently processing file's 'parent' path, returning a valid Path in
# canonical form. If no match is found None is returned.
#
def resolve_include(file: str, parent: Optional[Path] = None) -> Optional[Path]:
for root in roots:
found = root.joinpath(file).resolve()
if (found.is_file()):
return found
if (parent):
found = parent.joinpath(file).resolve();
else:
found = Path(file)
if (found.is_file()):
return found
return None
# Helper to resolve lists of files. 'file_list' is passed in from the arguments
# and each entry resolved to its canonical path (like any include entry, either
# from the list of root paths or the owning file's 'parent', which in this case
# is case is the input file). The results are stored in 'resolved'.
#
def resolve_excluded_files(file_list: Optional[List[str]], resolved: Set[Path], parent: Optional[Path] = None) -> None:
if (file_list):
for filename in file_list:
found = resolve_include(filename, parent)
if (found):
resolved.add(found)
else:
error_line(f'Warning: excluded file not found: {filename}')
# Writes 'line' to the open 'destn' (or stdout).
#
def write_line(line: str) -> None:
print(line, file=destn)
# Logs 'line' to stderr. This is also used for general notifications that we
# don't want to go to stdout (so the source can be piped).
#
def error_line(line: Any) -> None:
print(line, file=sys.stderr)
# Inline the contents of 'file' (with any of its includes also inlined, etc.).
#
# Note: text encoding errors are ignored and replaced with ? when reading the
# input files. This isn't ideal, but it's more than likely in the comments than
# code and a) the text editor has probably also failed to read the same content,
# and b) the compiler probably did too.
#
def add_file(file: Path, file_name: str = None) -> None:
if (file.is_file()):
if (not file_name):
file_name = file.name
error_line(f'Processing: {file_name}')
with file.open('r', errors='replace') as opened:
for line in opened:
line = line.rstrip('\n')
match_include = include_regex.match(line);
if (match_include):
# We have a quoted include directive so grab the file
inc_name = match_include.group(1)
resolved = resolve_include(inc_name, file.parent)
if (resolved):
if (resolved in excludes):
# The file was excluded so error if the compiler uses it
write_line(f'#error Using excluded file: {inc_name} (re-amalgamate source to fix)')
error_line(f'Excluding: {inc_name}')
else:
if (resolved not in found):
# The file was not previously encountered
found.add(resolved)
if (resolved in keeps):
# But the include was flagged to keep as included
write_line(f'/**** *NOT* inlining {inc_name} ****/')
write_line(line)
error_line(f'Not inlining: {inc_name}')
else:
# The file was neither excluded nor seen before so inline it
write_line(f'/**** start inlining {inc_name} ****/')
add_file(resolved, inc_name)
write_line(f'/**** ended inlining {inc_name} ****/')
else:
write_line(f'/**** skipping file: {inc_name} ****/')
else:
# The include file didn't resolve to a file
write_line(f'#error Unable to find: {inc_name}')
error_line(f'Error: Unable to find: {inc_name}')
else:
# Skip any 'pragma once' directives, otherwise write the source line
if (keep_pragma or not pragma_regex.match(line)):
write_line(line)
else:
error_line(f'Error: Invalid file: {file}')
# Start here
parser = argparse.ArgumentParser(description='Amalgamate Tool', epilog=f'example: {sys.argv[0]} -r ../my/path -r ../other/path -o out.c in.c')
parser.add_argument('-r', '--root', action='append', type=Path, help='file root search path')
parser.add_argument('-x', '--exclude', action='append', help='file to completely exclude from inlining')
parser.add_argument('-k', '--keep', action='append', help='file to exclude from inlining but keep the include directive')
parser.add_argument('-p', '--pragma', action='store_true', default=False, help='keep any "#pragma once" directives (removed by default)')
parser.add_argument('-o', '--output', type=argparse.FileType('w'), help='output file (otherwise stdout)')
parser.add_argument('input', type=Path, help='input file')
args = parser.parse_args()
# Fail early on an invalid input (and store it so we don't recurse)
args.input = args.input.resolve(strict=True)
found.add(args.input)
# Resolve all of the root paths upfront (we'll halt here on invalid roots)
if (args.root):
for path in args.root:
roots.add(path.resolve(strict=True))
# The remaining params: so resolve the excluded files and #pragma once directive
resolve_excluded_files(args.exclude, excludes, args.input.parent)
resolve_excluded_files(args.keep, keeps, args.input.parent)
keep_pragma = args.pragma;
# Then recursively process the input file
try:
if (args.output):
destn = args.output
add_file(args.input)
finally:
if (destn):
destn.close()

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@ -1,249 +0,0 @@
#!/bin/sh -e
# Tool to bundle multiple C/C++ source files, inlining any includes.
#
# TODO: ROOTS, FOUND, etc., as arrays (since they fail on paths with spaces)
#
# Author: Carl Woffenden, Numfum GmbH (this script is released under a CC0 license/Public Domain)
# Common file roots
ROOTS="."
# -x option excluded includes
XINCS=""
# -k option includes to keep as include directives
KINCS=""
# Files previously visited
FOUND=""
# Optional destination file (empty string to write to stdout)
DESTN=""
# Whether the "#pragma once" directives should be written to the output
PONCE=0
# Prints the script usage then exits
usage() {
echo "Usage: $0 [-r <path>] [-x <header>] [-k <header>] [-o <outfile>] infile"
echo " -r file root search path"
echo " -x file to completely exclude from inlining"
echo " -k file to exclude from inlining but keep the include directive"
echo " -p keep any '#pragma once' directives (removed by default)"
echo " -o output file (otherwise stdout)"
echo "Example: $0 -r ../my/path - r ../other/path -o out.c in.c"
exit 1
}
# Tests that the grep implementation works as expected (older OSX grep fails)
test_deps() {
if ! echo '#include "foo"' | grep -Eq '^\s*#\s*include\s*".+"'; then
echo "Aborting: the grep implementation fails to parse include lines"
exit 1
fi
if ! echo '"foo.h"' | sed -E 's/"([^"]+)"/\1/' | grep -Eq '^foo\.h$'; then
echo "Aborting: sed is unavailable or non-functional"
exit 1
fi
}
# Test if glob pattern $1 matches subject $2 (see fnmatch(3))
fnmatch() {
case "$2" in
$1)
return 0
;;
esac
return 1
}
# Test if line $1 is local include directive
is_include_line() {
fnmatch "*#*include*" "$1" || return 1
printf "%s\n" "$1" | grep -Eq '^\s*#\s*include\s*".+"'
}
# Test if line $1 is pragma once directive
is_pragma_once_line() {
fnmatch "*#*pragma*once*" "$1" || return 1
printf "%s\n" "$1" | grep -Eq '^\s*#\s*pragma\s*once\s*'
}
# Tests if list $1 has item $2 (returning zero on a match)
# (originally used grep -Eq "(^|\s*)$2(\$|\s*))
readonly list_FS="$IFS"
list_has_item() {
# Re: escaping glob pattern special characters in item string:
#
# bash (tested 3.2.57, 5.1.4), dash (tested 0.5.10.2), NetBSD /bin/sh
# (tested 8.2), and Solaris /bin/sh (tested 11.4) require escaping
# backslashes in a bracket expression despite POSIX specifying that
# backslash loses significance in a bracket expression.
#
# Conversely, neither FreeBSD /bin/sh (tested 12.2) nor OpenBSD /bin/sh
# (tested 7.1) obey backslash-escaping in case statement patterns even
# outside bracket expressions, so escape special characters using bracket
# expressions.
#
# Solaris /bin/sh (tested 11.4) requires vertical bar (|) to be escaped.
#
# All accommodations should behave as expected under strict POSIX semantics.
if fnmatch "*[\\*?[|]*" "$2"; then
set -- "$1" "$(printf '%s\n' "$2" | sed -e 's/[*?[|]/[&]/g; s/[\]/[\\&]/g')"
fi
for item_P in "*[$list_FS]$2[$list_FS]*" "*[$list_FS]$2" "$2[$list_FS]*" "$2"; do
fnmatch "${item_P}" "$1" && return 0
done
return 1
}
# Adds a new line with the supplied arguments to $DESTN (or stdout)
write_line() {
if [ -n "$DESTN" ]; then
printf '%s\n' "$@" >> "$DESTN"
else
printf '%s\n' "$@"
fi
}
log_line() {
echo $@ >&2
}
# Find this file!
resolve_include() {
local srcdir=$1
local inc=$2
for root in $srcdir $ROOTS; do
if [ -f "$root/$inc" ]; then
# Try to reduce the file path into a canonical form (so that multiple)
# includes of the same file are successfully deduplicated, even if they
# are expressed differently.
local relpath="$(realpath --relative-to . "$root/$inc" 2>/dev/null)"
if [ "$relpath" != "" ]; then # not all realpaths support --relative-to
echo "$relpath"
return 0
fi
local relpath="$(realpath "$root/$inc" 2>/dev/null)"
if [ "$relpath" != "" ]; then # not all distros have realpath...
echo "$relpath"
return 0
fi
# Fallback on Python to reduce the path if the above fails.
local relpath=$(python -c "import os,sys; print os.path.relpath(sys.argv[1])" "$root/$inc" 2>/dev/null)
if [ "$relpath" != "" ]; then # not all distros have realpath...
echo "$relpath"
return 0
fi
# Worst case, fall back to just the root + relative include path. The
# problem with this is that it is possible to emit multiple different
# resolved paths to the same file, depending on exactly how its included.
# Since the main loop below keeps a list of the resolved paths it's
# already included, in order to avoid repeated includes, this failure to
# produce a canonical/reduced path can lead to multiple inclusions of the
# same file. But it seems like the resulting single file library still
# works (hurray include guards!), so I guess it's ok.
echo "$root/$inc"
return 0
fi
done
return 1
}
# Adds the contents of $1 with any of its includes inlined
add_file() {
local file=$1
if [ -n "$file" ]; then
log_line "Processing: $file"
# Get directory of the current so we can resolve relative includes
local srcdir="$(dirname "$file")"
# Read the file
local line=
while IFS= read -r line; do
if is_include_line "$line"; then
# We have an include directive so strip the (first) file
local inc=$(echo "$line" | grep -Eo '".*"' | sed -E 's/"([^"]+)"/\1/' | head -1)
local res_inc="$(resolve_include "$srcdir" "$inc")"
if list_has_item "$XINCS" "$inc"; then
# The file was excluded so error if the source attempts to use it
write_line "#error Using excluded file: $inc (re-amalgamate source to fix)"
log_line "Excluding: $inc"
else
if ! list_has_item "$FOUND" "$res_inc"; then
# The file was not previously encountered
FOUND="$FOUND $res_inc"
if list_has_item "$KINCS" "$inc"; then
# But the include was flagged to keep as included
write_line "/**** *NOT* inlining $inc ****/"
write_line "$line"
log_line "Not Inlining: $inc"
else
# The file was neither excluded nor seen before so inline it
write_line "/**** start inlining $inc ****/"
add_file "$res_inc"
write_line "/**** ended inlining $inc ****/"
fi
else
write_line "/**** skipping file: $inc ****/"
fi
fi
else
# Skip any 'pragma once' directives, otherwise write the source line
local write=$PONCE
if [ $write -eq 0 ]; then
if ! is_pragma_once_line "$line"; then
write=1
fi
fi
if [ $write -ne 0 ]; then
write_line "$line"
fi
fi
done < "$file"
else
write_line "#error Unable to find \"$1\""
log_line "Error: Unable to find: \"$1\""
fi
}
while getopts ":r:x:k:po:" opts; do
case $opts in
r)
ROOTS="$ROOTS $OPTARG"
;;
x)
XINCS="$XINCS $OPTARG"
;;
k)
KINCS="$KINCS $OPTARG"
;;
p)
PONCE=1
;;
o)
DESTN="$OPTARG"
;;
*)
usage
;;
esac
done
shift $((OPTIND-1))
if [ -n "$1" ]; then
if [ -f "$1" ]; then
if [ -n "$DESTN" ]; then
printf "" > "$DESTN"
fi
test_deps
log_line "Processing using the slower shell script; this might take a while"
add_file "$1"
else
echo "Input file not found: \"$1\""
exit 1
fi
else
usage
fi
exit 0

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@ -1,19 +0,0 @@
#!/bin/sh
# Where to find the sources
ZSTD_SRC_ROOT="../../lib"
# Amalgamate the sources
echo "Amalgamating files..."
# Using the faster Python script if we have 3.8 or higher
if python3 -c 'import sys; assert sys.version_info >= (3,8)' 2>/dev/null; then
./combine.py -r "$ZSTD_SRC_ROOT" -x legacy/zstd_legacy.h -o zstddeclib.c zstddeclib-in.c
else
./combine.sh -r "$ZSTD_SRC_ROOT" -x legacy/zstd_legacy.h -o zstddeclib.c zstddeclib-in.c
fi
# Did combining work?
if [ $? -ne 0 ]; then
echo "Combine script: FAILED"
exit 1
fi
echo "Combine script: PASSED"

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@ -1,19 +0,0 @@
#!/bin/sh
# Where to find the sources
ZSTD_SRC_ROOT="../../lib"
# Amalgamate the sources
echo "Amalgamating files..."
# Using the faster Python script if we have 3.8 or higher
if python3 -c 'import sys; assert sys.version_info >= (3,8)' 2>/dev/null; then
./combine.py -r "$ZSTD_SRC_ROOT" -x legacy/zstd_legacy.h -o zstd.c zstd-in.c
else
./combine.sh -r "$ZSTD_SRC_ROOT" -x legacy/zstd_legacy.h -o zstd.c zstd-in.c
fi
# Did combining work?
if [ $? -ne 0 ]; then
echo "Combine script: FAILED"
exit 1
fi
echo "Combine script: PASSED"

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@ -1,11 +0,0 @@
# Single File ZStandard Examples
The examples `#include` the generated `zstddeclib.c` directly but work equally as well when including `zstd.h` and compiling the amalgamated source separately.
`simple.c` is the most basic example of decompressing content and verifying the result.
`emscripten.c` is a bare-bones [Emscripten](https://github.com/emscripten-core/emscripten) compiled WebGL demo using Zstd to further compress a DXT1 texture (see the [original PNG image](testcard.png)). The 256x256 texture would normally be 32kB, but even when bundled with the Zstd decompressor the resulting WebAssembly weighs in at 41kB (`shell.html` is a support file to run the Wasm).
`roundtrip.c` is an example to use with the optional [amalgamated library](../create_single_file_library.sh) showing compression the decompression.
The example files in this directory are released under a [Creative Commons Zero license](https://creativecommons.org/publicdomain/zero/1.0/) (or Public Domain, whichever is applicable in your jurisdiction).

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@ -1,340 +0,0 @@
/**
* \file emscripten.c
* Emscripten example of using the single-file \c zstddeclib. Draws a rotating
* textured quad with data from the in-line Zstd compressed DXT1 texture (DXT1
* being hardware compression, further compressed with Zstd).
* \n
* Compile using:
* \code
* export CC_FLAGS="-Wall -Wextra -Werror -Os -g0 -flto --llvm-lto 3 -lGL -DNDEBUG=1"
* export EM_FLAGS="-s WASM=1 -s ENVIRONMENT=web --shell-file shell.html --closure 1"
* emcc $CC_FLAGS $EM_FLAGS -o out.html emscripten.c
* \endcode
*
* \author Carl Woffenden, Numfum GmbH (released under a CC0 license)
*/
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <emscripten/emscripten.h>
#include <emscripten/html5.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include "../zstddeclib.c"
//************************* Test Data (DXT texture) **************************/
/**
* Zstd compressed DXT1 256x256 texture source.
* \n
* See \c testcard.png for the original.
*/
static uint8_t const srcZstd[] = {
#include "testcard-zstd.inl"
};
/**
* Uncompressed size of \c #srcZstd.
*/
#define DXT1_256x256 32768
/**
* Destination for decoding \c #srcZstd.
*/
static uint8_t dstDxt1[DXT1_256x256] = {};
#ifndef ZSTD_VERSION_MAJOR
/**
* For the case where the decompression library hasn't been included we add a
* dummy function to fake the process and stop the buffers being optimised out.
*/
size_t ZSTD_decompress(void* dst, size_t dstLen, const void* src, size_t srcLen) {
return (memcmp(dst, src, (srcLen < dstLen) ? srcLen : dstLen)) ? dstLen : 0;
}
#endif
//*************************** Program and Shaders ***************************/
/**
* Program object ID.
*/
static GLuint progId = 0;
/**
* Vertex shader ID.
*/
static GLuint vertId = 0;
/**
* Fragment shader ID.
*/
static GLuint fragId = 0;
//********************************* Uniforms *********************************/
/**
* Quad rotation angle ID.
*/
static GLint uRotId = -1;
/**
* Draw colour ID.
*/
static GLint uTx0Id = -1;
//******************************* Shader Source ******************************/
/**
* Vertex shader to draw texture mapped polys with an applied rotation.
*/
static GLchar const vertShader2D[] =
#if GL_ES_VERSION_2_0
"#version 100\n"
"precision mediump float;\n"
#else
"#version 120\n"
#endif
"uniform float uRot;" // rotation
"attribute vec2 aPos;" // vertex position coords
"attribute vec2 aUV0;" // vertex texture UV0
"varying vec2 vUV0;" // (passed to fragment shader)
"void main() {"
" float cosA = cos(radians(uRot));"
" float sinA = sin(radians(uRot));"
" mat3 rot = mat3(cosA, -sinA, 0.0,"
" sinA, cosA, 0.0,"
" 0.0, 0.0, 1.0);"
" gl_Position = vec4(rot * vec3(aPos, 1.0), 1.0);"
" vUV0 = aUV0;"
"}";
/**
* Fragment shader for the above polys.
*/
static GLchar const fragShader2D[] =
#if GL_ES_VERSION_2_0
"#version 100\n"
"precision mediump float;\n"
#else
"#version 120\n"
#endif
"uniform sampler2D uTx0;"
"varying vec2 vUV0;" // (passed from fragment shader)
"void main() {"
" gl_FragColor = texture2D(uTx0, vUV0);"
"}";
/**
* Helper to compile a shader.
*
* \param type shader type
* \param text shader source
* \return the shader ID (or zero if compilation failed)
*/
static GLuint compileShader(GLenum const type, const GLchar* text) {
GLuint shader = glCreateShader(type);
if (shader) {
glShaderSource (shader, 1, &text, NULL);
glCompileShader(shader);
GLint compiled;
glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
if (compiled) {
return shader;
} else {
GLint logLen;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLen);
if (logLen > 1) {
GLchar* logStr = malloc(logLen);
glGetShaderInfoLog(shader, logLen, NULL, logStr);
#ifndef NDEBUG
printf("Shader compilation error: %s\n", logStr);
#endif
free(logStr);
}
glDeleteShader(shader);
}
}
return 0;
}
//********************************** Helpers *********************************/
/**
* Vertex position index.
*/
#define GL_VERT_POSXY_ID 0
/**
* Vertex UV0 index.
*/
#define GL_VERT_TXUV0_ID 1
/**
* \c GL vec2 storage type.
*/
struct vec2 {
float x;
float y;
};
/**
* Combined 2D vertex and 2D texture coordinates.
*/
struct posTex2d {
struct vec2 pos;
struct vec2 uv0;
};
//****************************************************************************/
/**
* Current quad rotation angle (in degrees, updated per frame).
*/
static float rotDeg = 0.0f;
/**
* Emscripten (single) GL context.
*/
static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE glCtx = 0;
/**
* Emscripten resize handler.
*/
static EM_BOOL resize(int type, const EmscriptenUiEvent* e, void* data) {
double surfaceW;
double surfaceH;
if (emscripten_get_element_css_size ("#canvas", &surfaceW, &surfaceH) == EMSCRIPTEN_RESULT_SUCCESS) {
emscripten_set_canvas_element_size("#canvas", surfaceW, surfaceH);
if (glCtx) {
glViewport(0, 0, (int) surfaceW, (int) surfaceH);
}
}
(void) type;
(void) data;
(void) e;
return EM_FALSE;
}
/**
* Boilerplate to create a WebGL context.
*/
static EM_BOOL initContext() {
// Default attributes
EmscriptenWebGLContextAttributes attr;
emscripten_webgl_init_context_attributes(&attr);
if ((glCtx = emscripten_webgl_create_context("#canvas", &attr))) {
// Bind the context and fire a resize to get the initial size
emscripten_webgl_make_context_current(glCtx);
emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, NULL, EM_FALSE, resize);
resize(0, NULL, NULL);
return EM_TRUE;
}
return EM_FALSE;
}
/**
* Called once per frame (clears the screen and draws the rotating quad).
*/
static void tick() {
glClearColor(1.0f, 0.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (uRotId >= 0) {
glUniform1f(uRotId, rotDeg);
rotDeg += 0.1f;
if (rotDeg >= 360.0f) {
rotDeg -= 360.0f;
}
}
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0);
glFlush();
}
/**
* Creates the GL context, shaders and quad data, decompresses the Zstd data
* and 'uploads' the resulting texture.
*
* As a (naive) comparison, removing Zstd and building with "-Os -g0 s WASM=1
* -lGL emscripten.c" results in a 15kB WebAssembly file; re-adding Zstd
* increases the Wasm by 26kB.
*/
int main() {
if (initContext()) {
// Compile shaders and set the initial GL state
if ((progId = glCreateProgram())) {
vertId = compileShader(GL_VERTEX_SHADER, vertShader2D);
fragId = compileShader(GL_FRAGMENT_SHADER, fragShader2D);
glBindAttribLocation(progId, GL_VERT_POSXY_ID, "aPos");
glBindAttribLocation(progId, GL_VERT_TXUV0_ID, "aUV0");
glAttachShader(progId, vertId);
glAttachShader(progId, fragId);
glLinkProgram (progId);
glUseProgram (progId);
uRotId = glGetUniformLocation(progId, "uRot");
uTx0Id = glGetUniformLocation(progId, "uTx0");
if (uTx0Id >= 0) {
glUniform1i(uTx0Id, 0);
}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glDisable(GL_DITHER);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
}
GLuint vertsBuf = 0;
GLuint indexBuf = 0;
GLuint txName = 0;
// Create the textured quad (vert positions then UVs)
struct posTex2d verts2d[] = {
{{-0.85f, -0.85f}, {0.0f, 0.0f}}, // BL
{{ 0.85f, -0.85f}, {1.0f, 0.0f}}, // BR
{{-0.85f, 0.85f}, {0.0f, 1.0f}}, // TL
{{ 0.85f, 0.85f}, {1.0f, 1.0f}}, // TR
};
uint16_t index2d[] = {
0, 1, 2,
2, 1, 3,
};
glGenBuffers(1, &vertsBuf);
glBindBuffer(GL_ARRAY_BUFFER, vertsBuf);
glBufferData(GL_ARRAY_BUFFER,
sizeof(verts2d), verts2d, GL_STATIC_DRAW);
glVertexAttribPointer(GL_VERT_POSXY_ID, 2,
GL_FLOAT, GL_FALSE, sizeof(struct posTex2d), 0);
glVertexAttribPointer(GL_VERT_TXUV0_ID, 2,
GL_FLOAT, GL_FALSE, sizeof(struct posTex2d),
(void*) offsetof(struct posTex2d, uv0));
glGenBuffers(1, &indexBuf);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuf);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
sizeof(index2d), index2d, GL_STATIC_DRAW);
glEnableVertexAttribArray(GL_VERT_POSXY_ID);
glEnableVertexAttribArray(GL_VERT_TXUV0_ID);
// Decode the Zstd data and create the texture
if (ZSTD_decompress(dstDxt1, DXT1_256x256, srcZstd, sizeof srcZstd) == DXT1_256x256) {
glGenTextures(1, &txName);
glBindTexture(GL_TEXTURE_2D, txName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glCompressedTexImage2D(GL_TEXTURE_2D, 0,
GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
256, 256, 0, DXT1_256x256, dstDxt1);
} else {
printf("Failed to decode Zstd data\n");
}
emscripten_set_main_loop(tick, 0, EM_FALSE);
emscripten_exit_with_live_runtime();
}
return EXIT_FAILURE;
}

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@ -1,83 +0,0 @@
/*
* \file roundtrip.c
* In this example we include \c zstd.h and compile separately the amalgamated
* \c zstd.c:
* \code
* cc -Wall -Wextra -Werror -I. -Os -g0 zstd.c examples/roundtrip.c
* \endcode
*
* \author Carl Woffenden, Numfum GmbH (released under a CC0 license)
*/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zstd.h"
//************************** Test Data (DXT texture) **************************/
/**
* Raw test data (borrowed from the Emscripten example).
* \n
* See \c testcard.png for the original.
*/
static uint8_t const rawData[] = {
#include "testcard-dxt1.inl"
};
#ifndef ZSTD_VERSION_MAJOR
/*
* For the case where the decompression library hasn't been included we add
* dummy functions to fake the process and stop the buffers being optimised out.
*/
size_t ZSTD_compressBound(size_t maxSrc) {
return maxSrc + 32;
}
int ZSTD_maxCLevel(void) {
return 20;
}
size_t ZSTD_compress(void* dst, size_t dstLen, const void* src, size_t srcLen, int level) {
return (memcmp(dst, src, (srcLen < dstLen) ? srcLen : dstLen)) ? level : dstLen;
}
unsigned ZSTD_isError(size_t code) {
return ((int) code) < 0;
}
size_t ZSTD_decompress(void* dst, size_t dstLen, const void* src, size_t srcLen) {
return (memcmp(dst, src, (srcLen < dstLen) ? srcLen : dstLen)) ? 0 : dstLen;
}
#endif
//*****************************************************************************/
/**
* Simple single-file test to compress \c rawData, decompress the result, then
* compare the decompressed version with the original.
*/
int main() {
size_t bounds = ZSTD_compressBound(sizeof rawData);
void* compBuf = malloc(bounds);
void* testBuf = malloc(sizeof rawData);
int compare = -1;
if (compBuf && testBuf) {
size_t compSize = ZSTD_compress(compBuf, bounds, rawData, sizeof rawData, ZSTD_maxCLevel());
if (!ZSTD_isError(compSize)) {
printf("Compression: PASSED (size: %lu, uncompressed: %lu)\n", (unsigned long) compSize, (unsigned long) (sizeof rawData));
size_t decSize = ZSTD_decompress(testBuf, sizeof rawData, compBuf, compSize);
if (!ZSTD_isError(decSize)) {
printf("Decompression: PASSED\n");
compare = memcmp(rawData, testBuf, decSize);
printf("Byte comparison: %s\n", (compare == 0) ? "PASSED" : "FAILED");
} else {
printf("Decompression: FAILED\n");
}
} else {
printf("Compression: FAILED\n");
}
free(compBuf);
free(testBuf);
}
return (compare == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}

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@ -1,31 +0,0 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<title>Emscripten Shell</title>
<style>
body {background:#333; font-family:"Verdana","Helvetica Neue","Helvetica","Arial",sans-serif; margin:1em 0;}
#canvas{position:absolute; top:0px; left:0px; border:none; margin:0; width: 100%; height: 100%; overflow: hidden; display: block;}
</style>
</head>
<body>
<canvas id="canvas" oncontextmenu="event.preventDefault()"></canvas>
<script>
function trace(msg) {
console.log(msg);
}
var Module = {
print: trace, printErr: trace, setStatus: trace, monitorRunDependencies: trace,
canvas: (function() {
return document.getElementById("canvas");
})(),
preRun: [], postRun: [],
};
</script>
{{{ SCRIPT }}}
</body>
</html>

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@ -1,75 +0,0 @@
/**
* \file simple.c
* Simple standalone example of using the single-file \c zstddeclib.
*
* \note In this simple example we include the amalgamated source and compile
* just this single file, but we could equally (and more conventionally)
* include \c zstd.h and compile both this file and \c zstddeclib.c (the
* resulting binaries differ slightly in size but perform the same).
*
* \author Carl Woffenden, Numfum GmbH (released under a CC0 license)
*/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../zstddeclib.c"
//************************* Test Data (DXT texture) **************************/
/**
* Raw 256x256 DXT1 data (used to compare the result).
* \n
* See \c testcard.png for the original.
*/
static uint8_t const rawDxt1[] = {
#include "testcard-dxt1.inl"
};
/**
* Zstd compressed version of \c #rawDxt1.
* \n
* See \c testcard.png for the original.
*/
static uint8_t const srcZstd[] = {
#include "testcard-zstd.inl"
};
/**
* Destination for decoding \c #srcZstd.
*/
static uint8_t dstDxt1[sizeof rawDxt1] = {};
#ifndef ZSTD_VERSION_MAJOR
/**
* For the case where the decompression library hasn't been included we add a
* dummy function to fake the process and stop the buffers being optimised out.
*/
size_t ZSTD_decompress(void* dst, size_t dstLen, const void* src, size_t srcLen) {
return (memcmp(dst, src, (srcLen < dstLen) ? srcLen : dstLen)) ? 0 : dstLen;
}
#endif
//****************************************************************************/
/**
* Simple single-file test to decompress \c #srcZstd into \c # dstDxt1 then
* compare the resulting bytes with \c #rawDxt1.
* \n
* As a (naive) comparison, removing Zstd and building with "-Os -g0 simple.c"
* results in a 44kB binary (macOS 10.14, Clang 10); re-adding Zstd increases
* the binary by 56kB (after calling \c strip).
*/
int main() {
size_t size = ZSTD_decompress(dstDxt1, sizeof dstDxt1, srcZstd, sizeof srcZstd);
int compare = memcmp(rawDxt1, dstDxt1, sizeof dstDxt1);
printf("Decompressed size: %s\n", (size == sizeof dstDxt1) ? "PASSED" : "FAILED");
printf("Byte comparison: %s\n", (compare == 0) ? "PASSED" : "FAILED");
if (size == sizeof dstDxt1 && compare == 0) {
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}

File diff suppressed because it is too large Load diff

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@ -1,261 +0,0 @@
0x28, 0xb5, 0x2f, 0xfd, 0x60, 0x00, 0x7f, 0x6d, 0x61, 0x00, 0x0a, 0x66,
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0xa8, 0xf6, 0xab, 0xd7, 0x0e, 0x27, 0x27, 0x90, 0xc4, 0xb2, 0xd1, 0x10,
0xfa, 0x43, 0x82, 0xc8, 0xf2, 0xe5, 0xff, 0xff, 0xd5, 0x52, 0x62, 0x43,
0x87, 0x26, 0x2a, 0x05, 0x70, 0x0e, 0xb0, 0x2f, 0xc4, 0x56, 0xef, 0xb5,
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0x07, 0x70, 0xa7, 0x78, 0x38, 0x60, 0x87, 0x7a, 0x01, 0x3b, 0x75, 0xec,
0xfa, 0x77, 0xe2, 0x46, 0x94, 0x61, 0x8e, 0x0d, 0x0c, 0xfb, 0xe7, 0x8b,
0x13, 0x50, 0x31, 0xa9, 0x27, 0xcd, 0x27, 0xef, 0x6b, 0xa6, 0xab, 0x9c,
0x4d, 0x95, 0x6c, 0x3a, 0xbb, 0x8e, 0x96, 0x92, 0x18, 0x5a, 0x7c, 0x4f,
0xff, 0x7b, 0x38, 0xf2, 0xdb, 0x86, 0xde, 0xff, 0x1f, 0x2f, 0x21, 0x86,
0x7d, 0xbf, 0x45, 0xd0, 0x6e, 0x77, 0x0a, 0xee, 0x0a, 0xee, 0x14, 0x9a,
0xb8, 0x84, 0xf3, 0xac, 0xbe, 0xc8, 0x7f, 0x8d, 0xff, 0xff, 0xcf, 0x2a,
0xfb, 0x69, 0xfc, 0xfb, 0xfd, 0x7a, 0x10, 0x22, 0x36, 0xfc, 0xff, 0x3f,
0xcf, 0xd0, 0xf1, 0x7f, 0xfe, 0xff, 0x3d, 0x24, 0xdf, 0x78, 0x4a, 0xff,
0xda, 0x9c, 0x39, 0xcf, 0xef, 0xe7, 0xfd, 0x52, 0x98, 0xb5, 0x40, 0x92,
0xee, 0xdd, 0x99, 0xf5, 0x53, 0x5b, 0x65, 0x6b, 0xb5, 0xd8, 0x7b, 0xae,
0xfa, 0xc1, 0x0f, 0x0c, 0x7f, 0x4f, 0x55, 0xa3, 0xad, 0x2c, 0xa0, 0xbd,
0xf7, 0x2a, 0x0e, 0xe8, 0xbd, 0xc7, 0x5e, 0xf5, 0xd8, 0x54, 0x9e, 0x56,
0xa3, 0xd6, 0x59, 0xd5, 0xfe, 0x1f, 0xc0, 0x30, 0x8c, 0xfc, 0x46, 0x04,
0xae, 0x60, 0xbc, 0xe8, 0xcf, 0xec, 0x3d, 0xde, 0xf9, 0xf0, 0xfe, 0xef,
0x7d, 0xcc, 0xf7, 0x2b, 0xe5, 0x1b, 0x70, 0xff, 0xff, 0x7e, 0x3f, 0x6e,
0xe4, 0x02, 0x07, 0xfc, 0x1b, 0x7a, 0xff, 0xe7, 0x58, 0xfc, 0x7e, 0x3a,
0xdc, 0x97, 0xfd, 0x57, 0xef, 0xa3, 0xfc, 0x2a, 0xc7, 0x4d, 0xf3, 0xcb,
0x9d, 0xce, 0xac, 0xfe, 0xeb, 0x2e, 0x86, 0xb9, 0x69, 0x54, 0xef, 0xf9,
0x55, 0xcf, 0xff, 0x48, 0x24, 0x72, 0x3a, 0x9d, 0x72, 0x2f, 0x2f, 0x2f,
0xff, 0x3f, 0xe7, 0x01, 0x6c, 0x4d, 0x6c, 0xcd, 0x2d, 0x5b, 0x53, 0xb7,
0x59, 0x22, 0x08, 0x0b, 0xa7, 0x92, 0x15, 0x75, 0x93, 0xb0, 0x5d, 0xaf,
0x2a, 0x63, 0x95, 0x1d, 0x25, 0xd2, 0xd2, 0xa8, 0x1c, 0x84, 0xc9, 0xdc,
0x72, 0xba, 0xd7, 0xfc, 0x69, 0xf5, 0xc7, 0x19, 0xa9, 0xbe, 0xfa, 0x26,
0x55, 0x25, 0x75, 0xb7, 0x60, 0xa3, 0xd8, 0x68, 0x54, 0xb7, 0x1b, 0xa5,
0x54, 0x62, 0xb1, 0x49, 0xde, 0xe2, 0xac, 0xa2, 0xe8, 0x7b, 0xff, 0x5f,
0x75, 0x4e, 0xb8, 0xa2, 0xdd, 0x6a, 0xb7, 0xda, 0x6e, 0x2e, 0x04, 0xcd,
0x08, 0x2f, 0xec, 0x8e, 0x49, 0xaf, 0x49, 0x6f, 0x8b, 0x4f, 0x2e, 0x1a,
0xc5, 0x62, 0x7b, 0x6b, 0x3e, 0x32, 0x3e, 0x32, 0xbe, 0x08, 0x35, 0x4d,
0x63, 0x93, 0xa6, 0xc8, 0x42, 0xe6, 0x21, 0xcc, 0x59, 0xc8, 0x4c, 0xe5,
0x86, 0xe1, 0x03, 0x06, 0xa4, 0xec, 0xff, 0xb7, 0x78, 0x7e, 0x62, 0x43,
0xc7, 0x2c, 0x50, 0x30, 0x4a, 0xc8, 0x9b, 0xf3, 0xbf, 0xe6, 0x62, 0xa0,
0x50, 0xa6, 0x9c, 0xe3, 0x6e, 0x5b, 0xaf, 0x77, 0x8b, 0xbb, 0xe1, 0x70,
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0x08, 0xb3, 0xa4, 0x60, 0x3b, 0x9d, 0x6e, 0x8b, 0x37, 0x4b, 0x0a, 0x74,
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0xa4, 0x4b, 0x31, 0x2a, 0xe6, 0x62, 0x11, 0x19, 0x95, 0x73, 0x1d, 0xbf,
0xe1, 0x6c, 0xfc, 0x47, 0x75, 0x6c, 0x37, 0x63, 0x02, 0xf8, 0x34, 0x40,
0x9a, 0x00, 0x1d, 0xf7, 0x32, 0x56, 0x77, 0xda, 0x5b, 0x9f, 0x9f, 0x0f,
0xbb, 0x91, 0x5b, 0xbd, 0xe7, 0x58, 0x82, 0x4a, 0x20, 0xcd, 0x4f, 0x47,
0x15, 0xf3, 0x51, 0xf1, 0x43, 0x51, 0x10, 0x96, 0xae, 0xba, 0xf7, 0x21,
0x50, 0xef, 0x55, 0x27, 0x0c, 0x1f, 0xe0, 0x54, 0xf8, 0xc9, 0x69, 0xef,
0xb9, 0x53, 0xf7, 0x83, 0x73, 0x9d, 0xce, 0x86, 0x07, 0x83, 0x44, 0x61,
0x37, 0x35, 0x35, 0x33, 0x4e, 0x33, 0x33, 0x3e, 0x9f, 0x50, 0x48, 0x24,
0xe6, 0xd0, 0x79, 0x49, 0xc3, 0x2d, 0xa0, 0x46, 0x31, 0x9a, 0x72, 0xc3,
0x84, 0xff, 0x7a, 0x95, 0xbb, 0x00, 0x22, 0xcc, 0x14, 0x00, 0x04, 0xac,
0x60, 0x64, 0x86, 0xe4, 0x6f, 0xb1, 0x58, 0xf4, 0xdc, 0xb0, 0x05, 0x00,
0x72, 0x38, 0xf8, 0xce, 0xce, 0x8e, 0xcf, 0x37, 0x33, 0x43, 0x24, 0x0a,
0x85, 0x33, 0x35, 0x35, 0x37, 0xc2, 0xa8, 0x28, 0x27, 0x1b, 0x9d, 0xce,
0x29, 0x18, 0xe4, 0xfc, 0x09, 0x53, 0xa5, 0x51, 0xad, 0x74, 0x79, 0x7b,
0xb5, 0x4a, 0x65, 0x94, 0x36, 0x89, 0xf5, 0x62, 0x9b, 0xd8, 0x9a, 0xe8,
0x2b, 0xff, 0xa1, 0x73, 0xfe, 0x2e, 0x2c, 0x41, 0x45, 0x37, 0xef, 0x6e,
0x7b, 0x38, 0xca, 0xa5, 0xd2, 0xb8, 0x1c, 0x3b, 0x96, 0x21, 0xbb, 0x5d,
0xad, 0xd1, 0xdb, 0x1c, 0xf6, 0x5e, 0x4b, 0xd9, 0x59, 0x1b, 0x67, 0xf5,
0x7a, 0x7c, 0x9a, 0x91, 0x3e, 0x8e, 0xe3, 0xee, 0x7b, 0xb9, 0xa4, 0xb9,
0xf5, 0x70, 0xee, 0x1d, 0x4e, 0x4f, 0xcc, 0xd6, 0x7b, 0x07, 0x71, 0x48,
0xf2, 0x06, 0xd0, 0x10, 0x82, 0x21, 0xe4, 0x55, 0x2e, 0xa5, 0x1d, 0xbe,
0x48, 0x8c, 0x69, 0xbb, 0x24, 0x40, 0x68, 0x9b, 0xba, 0x5a, 0x5a, 0xa7,
0xe2, 0xd1, 0xac, 0xc2, 0xd8, 0x87, 0x9c, 0xe3, 0x78, 0xee, 0xa6, 0xcd,
0xdd, 0x68, 0x6e, 0xdd, 0xdb, 0x2e, 0xc6, 0xbb, 0x8b, 0xe9, 0xc1, 0xd9,
0xf6, 0x62, 0x7e, 0x72, 0x7e, 0x72, 0x34, 0xe4, 0x68, 0xc8, 0x11, 0x32,
0x10, 0x32, 0x20, 0x32, 0xf0, 0x12, 0x19, 0x90, 0xe0, 0x45, 0x91, 0xe0,
0x25, 0x83, 0xba, 0xc9, 0x20, 0x26, 0x87, 0xa5, 0x72, 0xa9, 0x64, 0x72,
0x80, 0x21, 0x54, 0x13, 0xeb, 0x29, 0x18, 0x42, 0x34, 0x84, 0x94, 0x34,
0x84, 0xa4, 0x1d, 0xa4, 0x1d, 0x82, 0x1c, 0xef, 0xaf, 0x0e, 0x63, 0x47,
0x6d, 0x10, 0xb9, 0xec, 0xd8, 0x2d, 0x3b, 0x9e, 0x21, 0xb1, 0x67, 0x48,
0x34, 0x24, 0x1a, 0x52, 0xdb, 0xa4, 0x6d, 0x62, 0xd3, 0xfa, 0xff, 0xfa,
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Width:  |  Height:  |  Size: 12 KiB

View file

@ -1,90 +0,0 @@
/**
* \file zstd.c
* Single-file Zstandard library.
*
* Generate using:
* \code
* python combine.py -r ../../lib -x legacy/zstd_legacy.h -o zstd.c zstd-in.c
* \endcode
*/
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
/*
* Settings to bake for the single library file.
*
* Note: It's important that none of these affects 'zstd.h' (only the
* implementation files we're amalgamating).
*
* Note: MEM_MODULE stops xxhash redefining BYTE, U16, etc., which are also
* defined in mem.h (breaking C99 compatibility).
*
* Note: the undefs for xxHash allow Zstd's implementation to coincide with
* standalone xxHash usage (with global defines).
*
* Note: if you enable ZSTD_LEGACY_SUPPORT the combine.py script will need
* re-running without the "-x legacy/zstd_legacy.h" option (it excludes the
* legacy support at the source level).
*
* Note: multithreading is enabled for all platforms apart from Emscripten.
*/
#define DEBUGLEVEL 0
#define MEM_MODULE
#undef XXH_NAMESPACE
#define XXH_NAMESPACE ZSTD_
#undef XXH_PRIVATE_API
#define XXH_PRIVATE_API
#undef XXH_INLINE_ALL
#define XXH_INLINE_ALL
#define ZSTD_LEGACY_SUPPORT 0
#ifndef __EMSCRIPTEN__
#define ZSTD_MULTITHREAD
#endif
#define ZSTD_TRACE 0
/* TODO: Can't amalgamate ASM function */
#define ZSTD_DISABLE_ASM 1
/* Include zstd_deps.h first with all the options we need enabled. */
#define ZSTD_DEPS_NEED_MALLOC
#define ZSTD_DEPS_NEED_MATH64
#include "common/zstd_deps.h"
#include "common/debug.c"
#include "common/entropy_common.c"
#include "common/error_private.c"
#include "common/fse_decompress.c"
#include "common/threading.c"
#include "common/pool.c"
#include "common/zstd_common.c"
#include "compress/fse_compress.c"
#include "compress/hist.c"
#include "compress/huf_compress.c"
#include "compress/zstd_compress_literals.c"
#include "compress/zstd_compress_sequences.c"
#include "compress/zstd_compress_superblock.c"
#include "compress/zstd_compress.c"
#include "compress/zstd_double_fast.c"
#include "compress/zstd_fast.c"
#include "compress/zstd_lazy.c"
#include "compress/zstd_ldm.c"
#include "compress/zstd_opt.c"
#ifdef ZSTD_MULTITHREAD
#include "compress/zstdmt_compress.c"
#endif
#include "decompress/huf_decompress.c"
#include "decompress/zstd_ddict.c"
#include "decompress/zstd_decompress.c"
#include "decompress/zstd_decompress_block.c"
#include "dictBuilder/cover.c"
#include "dictBuilder/divsufsort.c"
#include "dictBuilder/fastcover.c"
#include "dictBuilder/zdict.c"

View file

@ -1,62 +0,0 @@
/**
* \file zstddeclib.c
* Single-file Zstandard decompressor.
*
* Generate using:
* \code
* python combine.py -r ../../lib -x legacy/zstd_legacy.h -o zstddeclib.c zstddeclib-in.c
* \endcode
*/
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
/*
* Settings to bake for the standalone decompressor.
*
* Note: It's important that none of these affects 'zstd.h' (only the
* implementation files we're amalgamating).
*
* Note: MEM_MODULE stops xxhash redefining BYTE, U16, etc., which are also
* defined in mem.h (breaking C99 compatibility).
*
* Note: the undefs for xxHash allow Zstd's implementation to coincide with
* standalone xxHash usage (with global defines).
*
* Note: if you enable ZSTD_LEGACY_SUPPORT the combine.py script will need
* re-running without the "-x legacy/zstd_legacy.h" option (it excludes the
* legacy support at the source level).
*/
#define DEBUGLEVEL 0
#define MEM_MODULE
#undef XXH_NAMESPACE
#define XXH_NAMESPACE ZSTD_
#undef XXH_PRIVATE_API
#define XXH_PRIVATE_API
#undef XXH_INLINE_ALL
#define XXH_INLINE_ALL
#define ZSTD_LEGACY_SUPPORT 0
#define ZSTD_STRIP_ERROR_STRINGS
#define ZSTD_TRACE 0
/* TODO: Can't amalgamate ASM function */
#define ZSTD_DISABLE_ASM 1
/* Include zstd_deps.h first with all the options we need enabled. */
#define ZSTD_DEPS_NEED_MALLOC
#include "common/zstd_deps.h"
#include "common/debug.c"
#include "common/entropy_common.c"
#include "common/error_private.c"
#include "common/fse_decompress.c"
#include "common/zstd_common.c"
#include "decompress/huf_decompress.c"
#include "decompress/zstd_ddict.c"
#include "decompress/zstd_decompress.c"
#include "decompress/zstd_decompress_block.c"

View file

@ -1,3 +0,0 @@
## Project Support Notice
The VS2005 Project directory has been moved to the contrib directory in order to indicate that it will no longer be supported.

View file

@ -1,440 +0,0 @@
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View file

@ -1,488 +0,0 @@
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Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Debug|x64"
OutputDirectory="$(SolutionDir)bin\$(PlatformName)\$(ConfigurationName)"
IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
ConfigurationType="2"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
TargetEnvironment="3"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\programs\legacy;$(SolutionDir)..\..\lib\dictBuilder"
PreprocessorDefinitions="ZSTD_DLL_EXPORT=1;ZSTD_MULTITHREAD=1;ZSTD_LEGACY_SUPPORT=4;WIN32;_DEBUG;_CONSOLE"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
UsePrecompiledHeader="0"
WarningLevel="4"
WarnAsError="true"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
LinkIncremental="2"
GenerateDebugInformation="true"
SubSystem="1"
TargetMachine="17"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|x64"
OutputDirectory="$(SolutionDir)bin\$(PlatformName)\$(ConfigurationName)"
IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
ConfigurationType="2"
CharacterSet="2"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
TargetEnvironment="3"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
EnableIntrinsicFunctions="true"
OmitFramePointers="true"
AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\programs\legacy;$(SolutionDir)..\..\lib\dictBuilder"
PreprocessorDefinitions="ZSTD_DLL_EXPORT=1;ZSTD_MULTITHREAD=1;ZSTD_LEGACY_SUPPORT=4;WIN32;NDEBUG;_CONSOLE"
RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="4"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
LinkIncremental="1"
GenerateDebugInformation="true"
SubSystem="1"
OptimizeReferences="2"
EnableCOMDATFolding="2"
TargetMachine="17"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath="..\..\..\lib\dictBuilder\cover.c"
>
</File>
<File
RelativePath="..\..\..\lib\dictBuilder\divsufsort.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\pool.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\threading.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\entropy_common.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\error_private.c"
>
</File>
<File
RelativePath="..\..\..\lib\compress\fse_compress.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\fse_decompress.c"
>
</File>
<File
RelativePath="..\..\..\lib\compress\huf_compress.c"
>
</File>
<File
RelativePath="..\..\..\lib\decompress\huf_decompress.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\xxhash.c"
>
</File>
<File
RelativePath="..\..\..\lib\dictBuilder\zdict.c"
>
</File>
<File
RelativePath="..\..\..\lib\common\zstd_common.c"
>
</File>
<File
RelativePath="..\..\..\lib\compress\zstdmt_compress.c"
>
</File>
<File
RelativePath="..\..\..\lib\compress\zstd_compress.c"
>
</File>
<File
RelativePath="..\..\..\lib\decompress\zstd_decompress.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v01.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v02.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v03.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v04.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v05.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v06.c"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v07.c"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
<File
RelativePath="..\..\..\lib\common\bitstream.h"
>
</File>
<File
RelativePath="..\..\..\lib\dictBuilder\divsufsort.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\pool.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\threading.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\error_private.h"
>
</File>
<File
RelativePath="..\..\..\lib\zstd_errors.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\fse.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\fse_static.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\huf.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\huf_static.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\mem.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\xxhash.h"
>
</File>
<File
RelativePath="..\..\..\lib\zdict.h"
>
</File>
<File
RelativePath="..\..\..\lib\dictBuilder\zdict_static.h"
>
</File>
<File
RelativePath="..\..\..\lib\zstd.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\zstd_internal.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_legacy.h"
>
</File>
<File
RelativePath="..\..\..\lib\compress\zstd_opt.h"
>
</File>
<File
RelativePath="..\..\..\lib\compress\zstdmt_compress.h"
>
</File>
<File
RelativePath="..\..\..\lib\common\zstd_static.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v01.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v02.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v03.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v04.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v05.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v06.h"
>
</File>
<File
RelativePath="..\..\..\lib\legacy\zstd_v07.h"
>
</File>
</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

View file

@ -1,2 +0,0 @@
#!/bin/sh
sed -i '' $'s/\t/ /g' ../lib/**/*.{h,c} ../programs/*.{h,c} ../tests/*.c ./**/*.{h,cpp} ../examples/*.c ../zlibWrapper/*.{h,c}

View file

@ -1 +0,0 @@
check_flipped_bits

View file

@ -1,35 +0,0 @@
# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
.PHONY: all
all: check_flipped_bits
ZSTDLIBDIR ?= ../../lib
CFLAGS ?= -O3
CFLAGS += -I$(ZSTDLIBDIR) -I$(ZSTDLIBDIR)/common -I$(ZSTDLIBDIR)/compress \
-I$(ZSTDLIBDIR)/decompress
CFLAGS += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
-Wstrict-prototypes -Wundef \
-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
-Wredundant-decls -Wmissing-prototypes
CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS)
FLAGS = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)
.PHONY: $(ZSTDLIBDIR)/libzstd.a
$(ZSTDLIBDIR)/libzstd.a:
$(MAKE) -C $(ZSTDLIBDIR) libzstd.a
check_flipped_bits: check_flipped_bits.c $(ZSTDLIBDIR)/libzstd.a
$(CC) $(FLAGS) $< -o $@$(EXT) $(ZSTDLIBDIR)/libzstd.a
.PHONY: clean
clean:
rm -f check_flipped_bits

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@ -1,400 +0,0 @@
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#define ZSTD_STATIC_LINKING_ONLY
#include "zstd.h"
#include "zstd_errors.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
typedef struct {
char *input;
size_t input_size;
char *perturbed; /* same size as input */
char *output;
size_t output_size;
const char *dict_file_name;
const char *dict_file_dir_name;
int32_t dict_id;
char *dict;
size_t dict_size;
ZSTD_DDict* ddict;
ZSTD_DCtx* dctx;
int success_count;
int error_counts[ZSTD_error_maxCode];
} stuff_t;
static void free_stuff(stuff_t* stuff) {
free(stuff->input);
free(stuff->output);
ZSTD_freeDDict(stuff->ddict);
free(stuff->dict);
ZSTD_freeDCtx(stuff->dctx);
}
static void usage(void) {
fprintf(stderr, "check_flipped_bits input_filename [-d dict] [-D dict_dir]\n");
fprintf(stderr, "\n");
fprintf(stderr, "Arguments:\n");
fprintf(stderr, " -d file: path to a dictionary file to use.\n");
fprintf(stderr, " -D dir : path to a directory, with files containing dictionaries, of the\n"
" form DICTID.zstd-dict, e.g., 12345.zstd-dict.\n");
exit(1);
}
static void print_summary(stuff_t* stuff) {
int error_code;
fprintf(stderr, "%9d successful decompressions\n", stuff->success_count);
for (error_code = 0; error_code < ZSTD_error_maxCode; error_code++) {
int count = stuff->error_counts[error_code];
if (count) {
fprintf(
stderr, "%9d failed decompressions with message: %s\n",
count, ZSTD_getErrorString(error_code));
}
}
}
static char* readFile(const char* filename, size_t* size) {
struct stat statbuf;
int ret;
FILE* f;
char *buf;
size_t bytes_read;
ret = stat(filename, &statbuf);
if (ret != 0) {
fprintf(stderr, "stat failed: %m\n");
return NULL;
}
if ((statbuf.st_mode & S_IFREG) != S_IFREG) {
fprintf(stderr, "Input must be regular file\n");
return NULL;
}
*size = statbuf.st_size;
f = fopen(filename, "r");
if (f == NULL) {
fprintf(stderr, "fopen failed: %m\n");
return NULL;
}
buf = malloc(*size);
if (buf == NULL) {
fprintf(stderr, "malloc failed\n");
fclose(f);
return NULL;
}
bytes_read = fread(buf, 1, *size, f);
if (bytes_read != *size) {
fprintf(stderr, "failed to read whole file\n");
fclose(f);
free(buf);
return NULL;
}
ret = fclose(f);
if (ret != 0) {
fprintf(stderr, "fclose failed: %m\n");
free(buf);
return NULL;
}
return buf;
}
static ZSTD_DDict* readDict(const char* filename, char **buf, size_t* size, int32_t* dict_id) {
ZSTD_DDict* ddict;
*buf = readFile(filename, size);
if (*buf == NULL) {
fprintf(stderr, "Opening dictionary file '%s' failed\n", filename);
return NULL;
}
ddict = ZSTD_createDDict_advanced(*buf, *size, ZSTD_dlm_byRef, ZSTD_dct_auto, ZSTD_defaultCMem);
if (ddict == NULL) {
fprintf(stderr, "Failed to create ddict.\n");
return NULL;
}
if (dict_id != NULL) {
*dict_id = ZSTD_getDictID_fromDDict(ddict);
}
return ddict;
}
static ZSTD_DDict* readDictByID(stuff_t *stuff, int32_t dict_id, char **buf, size_t* size) {
if (stuff->dict_file_dir_name == NULL) {
return NULL;
} else {
size_t dir_name_len = strlen(stuff->dict_file_dir_name);
int dir_needs_separator = 0;
size_t dict_file_name_alloc_size = dir_name_len + 1 /* '/' */ + 10 /* max int32_t len */ + strlen(".zstd-dict") + 1 /* '\0' */;
char *dict_file_name = malloc(dict_file_name_alloc_size);
ZSTD_DDict* ddict;
int32_t read_dict_id;
if (dict_file_name == NULL) {
fprintf(stderr, "malloc failed.\n");
return 0;
}
if (dir_name_len > 0 && stuff->dict_file_dir_name[dir_name_len - 1] != '/') {
dir_needs_separator = 1;
}
snprintf(
dict_file_name,
dict_file_name_alloc_size,
"%s%s%u.zstd-dict",
stuff->dict_file_dir_name,
dir_needs_separator ? "/" : "",
dict_id);
/* fprintf(stderr, "Loading dict %u from '%s'.\n", dict_id, dict_file_name); */
ddict = readDict(dict_file_name, buf, size, &read_dict_id);
if (ddict == NULL) {
fprintf(stderr, "Failed to create ddict from '%s'.\n", dict_file_name);
free(dict_file_name);
return 0;
}
if (read_dict_id != dict_id) {
fprintf(stderr, "Read dictID (%u) does not match expected (%u).\n", read_dict_id, dict_id);
free(dict_file_name);
ZSTD_freeDDict(ddict);
return 0;
}
free(dict_file_name);
return ddict;
}
}
static int init_stuff(stuff_t* stuff, int argc, char *argv[]) {
const char* input_filename;
if (argc < 2) {
usage();
}
input_filename = argv[1];
stuff->input_size = 0;
stuff->input = readFile(input_filename, &stuff->input_size);
if (stuff->input == NULL) {
fprintf(stderr, "Failed to read input file.\n");
return 0;
}
stuff->perturbed = malloc(stuff->input_size);
if (stuff->perturbed == NULL) {
fprintf(stderr, "malloc failed.\n");
return 0;
}
memcpy(stuff->perturbed, stuff->input, stuff->input_size);
stuff->output_size = ZSTD_DStreamOutSize();
stuff->output = malloc(stuff->output_size);
if (stuff->output == NULL) {
fprintf(stderr, "malloc failed.\n");
return 0;
}
stuff->dict_file_name = NULL;
stuff->dict_file_dir_name = NULL;
stuff->dict_id = 0;
stuff->dict = NULL;
stuff->dict_size = 0;
stuff->ddict = NULL;
if (argc > 2) {
if (!strcmp(argv[2], "-d")) {
if (argc > 3) {
stuff->dict_file_name = argv[3];
} else {
usage();
}
} else
if (!strcmp(argv[2], "-D")) {
if (argc > 3) {
stuff->dict_file_dir_name = argv[3];
} else {
usage();
}
} else {
usage();
}
}
if (stuff->dict_file_dir_name) {
int32_t dict_id = ZSTD_getDictID_fromFrame(stuff->input, stuff->input_size);
if (dict_id != 0) {
stuff->ddict = readDictByID(stuff, dict_id, &stuff->dict, &stuff->dict_size);
if (stuff->ddict == NULL) {
fprintf(stderr, "Failed to create cached ddict.\n");
return 0;
}
stuff->dict_id = dict_id;
}
} else
if (stuff->dict_file_name) {
stuff->ddict = readDict(stuff->dict_file_name, &stuff->dict, &stuff->dict_size, &stuff->dict_id);
if (stuff->ddict == NULL) {
fprintf(stderr, "Failed to create ddict from '%s'.\n", stuff->dict_file_name);
return 0;
}
}
stuff->dctx = ZSTD_createDCtx();
if (stuff->dctx == NULL) {
return 0;
}
stuff->success_count = 0;
memset(stuff->error_counts, 0, sizeof(stuff->error_counts));
return 1;
}
static int test_decompress(stuff_t* stuff) {
size_t ret;
ZSTD_inBuffer in = {stuff->perturbed, stuff->input_size, 0};
ZSTD_outBuffer out = {stuff->output, stuff->output_size, 0};
ZSTD_DCtx* dctx = stuff->dctx;
int32_t custom_dict_id = ZSTD_getDictID_fromFrame(in.src, in.size);
char *custom_dict = NULL;
size_t custom_dict_size = 0;
ZSTD_DDict* custom_ddict = NULL;
if (custom_dict_id != 0 && custom_dict_id != stuff->dict_id) {
/* fprintf(stderr, "Instead of dict %u, this perturbed blob wants dict %u.\n", stuff->dict_id, custom_dict_id); */
custom_ddict = readDictByID(stuff, custom_dict_id, &custom_dict, &custom_dict_size);
}
ZSTD_DCtx_reset(dctx, ZSTD_reset_session_only);
if (custom_ddict != NULL) {
ZSTD_DCtx_refDDict(dctx, custom_ddict);
} else {
ZSTD_DCtx_refDDict(dctx, stuff->ddict);
}
while (in.pos != in.size) {
out.pos = 0;
ret = ZSTD_decompressStream(dctx, &out, &in);
if (ZSTD_isError(ret)) {
unsigned int code = ZSTD_getErrorCode(ret);
if (code >= ZSTD_error_maxCode) {
fprintf(stderr, "Received unexpected error code!\n");
exit(1);
}
stuff->error_counts[code]++;
/*
fprintf(
stderr, "Decompression failed: %s\n", ZSTD_getErrorName(ret));
*/
if (custom_ddict != NULL) {
ZSTD_freeDDict(custom_ddict);
free(custom_dict);
}
return 0;
}
}
stuff->success_count++;
if (custom_ddict != NULL) {
ZSTD_freeDDict(custom_ddict);
free(custom_dict);
}
return 1;
}
static int perturb_bits(stuff_t* stuff) {
size_t pos;
size_t bit;
for (pos = 0; pos < stuff->input_size; pos++) {
unsigned char old_val = stuff->input[pos];
if (pos % 1000 == 0) {
fprintf(stderr, "Perturbing byte %zu / %zu\n", pos, stuff->input_size);
}
for (bit = 0; bit < 8; bit++) {
unsigned char new_val = old_val ^ (1 << bit);
stuff->perturbed[pos] = new_val;
if (test_decompress(stuff)) {
fprintf(
stderr,
"Flipping byte %zu bit %zu (0x%02x -> 0x%02x) "
"produced a successful decompression!\n",
pos, bit, old_val, new_val);
}
}
stuff->perturbed[pos] = old_val;
}
return 1;
}
static int perturb_bytes(stuff_t* stuff) {
size_t pos;
size_t new_val;
for (pos = 0; pos < stuff->input_size; pos++) {
unsigned char old_val = stuff->input[pos];
if (pos % 1000 == 0) {
fprintf(stderr, "Perturbing byte %zu / %zu\n", pos, stuff->input_size);
}
for (new_val = 0; new_val < 256; new_val++) {
stuff->perturbed[pos] = new_val;
if (test_decompress(stuff)) {
fprintf(
stderr,
"Changing byte %zu (0x%02x -> 0x%02x) "
"produced a successful decompression!\n",
pos, old_val, (unsigned char)new_val);
}
}
stuff->perturbed[pos] = old_val;
}
return 1;
}
int main(int argc, char* argv[]) {
stuff_t stuff;
if(!init_stuff(&stuff, argc, argv)) {
fprintf(stderr, "Failed to init.\n");
return 1;
}
if (test_decompress(&stuff)) {
fprintf(stderr, "Blob already decompresses successfully!\n");
return 1;
}
perturb_bits(&stuff);
perturb_bytes(&stuff);
print_summary(&stuff);
free_stuff(&stuff);
return 0;
}

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@ -1,20 +0,0 @@
# Dockerfile
# First image to build the binary
FROM alpine@sha256:69665d02cb32192e52e07644d76bc6f25abeb5410edc1c7a81a10ba3f0efb90a as builder
RUN apk --no-cache add make gcc libc-dev
COPY . /src
RUN mkdir /pkg && cd /src && make && make DESTDIR=/pkg install
# Second minimal image to only keep the built binary
FROM alpine@sha256:69665d02cb32192e52e07644d76bc6f25abeb5410edc1c7a81a10ba3f0efb90a
# Copy the built files
COPY --from=builder /pkg /
# Copy the license as well
RUN mkdir -p /usr/local/share/licenses/zstd
COPY --from=builder /src/LICENSE /usr/local/share/licences/zstd/
# Just run `zstd` if no other command is given
CMD ["/usr/local/bin/zstd"]

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@ -1,20 +0,0 @@
## Requirement
The `Dockerfile` script requires a version of `docker` >= 17.05
## Installing docker
The official docker install docs use a ppa with a modern version available:
https://docs.docker.com/install/linux/docker-ce/ubuntu/
## How to run
`docker build -t zstd .`
## test
```
echo foo | docker run -i --rm zstd | docker run -i --rm zstd zstdcat
foo
```

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