mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-27 15:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Validate privileged code relationships

Browse source 
- Work towards improving non-optimized build support
- Introduce MODE=zero which is -O0 without ASAN/UBSAN
- Use system GCC when ~/.cosmo.mk has USE_SYSTEM_TOOLCHAIN=1
- Have package.com check .privileged code doesn't call non-privileged
This commit is contained in:
Justine Tunney 2023-06-08 04:37:05 -07:00
parent 01fd655097
commit daf4454a06
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
82 changed files with 808 additions and 850 deletions
Download patch file Download diff file Expand all files Collapse all files

48
test/libc/str/memmove_test.c
View file

@ -1,48 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
forceinline void *Memmove(void *restrict d, const void *restrict s, size_t n) {
return __builtin___memmove_chk(d, s, n, __builtin_object_size(d, 0));
}
void foo1(void *p, void *q) {
Memmove(p, q, 19);
}
TEST(memmove, supposedPythonBug_test1) {
char a[32] = "123456789000000000";
foo1(&a[9], a);
EXPECT_STREQ("123456789123456789000000000", a);
foo1(a, &a[9]);
EXPECT_STREQ("123456789000000000", a);
}
void foo2(void *p, void *q) {
memmove(p, q, 19);
}
TEST(memmove, supposedPythonBug_test2) {
char a[32] = "123456789000000000";
foo2(&a[9], a);
EXPECT_STREQ("123456789123456789000000000", a);
foo2(a, &a[9]);
EXPECT_STREQ("123456789000000000", a);
}