mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-02 09:18:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix more things

Browse source 
- Update a couple unicode data files
- Disable strace during logger calls
- SQLite now uses pread() / pwrite()
- pread() past EOF on NT now returns 0
- Make the NT mmap() and fork() code elegant
- Give NT a big performance boost with memory
- Add many more mmap() tests to prove it works
This commit is contained in:
Justine Tunney 2022-03-24 00:05:59 -07:00
parent b90fa996b4
commit 98909b1391
36 changed files with 1034 additions and 318 deletions
Download patch file Download diff file Expand all files Collapse all files

7
libc/calls/pread.c
View file

@ -20,6 +20,7 @@
#include "libc/bits/weaken.h"
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
#include "libc/calls/struct/iovec.h"
#include "libc/dce.h"
#include "libc/macros.internal.h"
@ -54,8 +55,8 @@ ssize_t pread(int fd, void *buf, size_t size, int64_t offset) {
} else {
rc = ebadf();
}
if (!IsTrustworthy() && rc != -1) {
if ((size_t)rc > size) abort();
}
assert(rc == -1 || (size_t)rc <= size);
STRACE("pread(%d, [%#.*hhs%s], %'zu, %'zd) → %'zd% m", fd,
MAX(0, MIN(40, rc)), buf, rc > 40 ? "..." : "", size, offset, rc);
return rc;
}