mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
compat: test heap allocation replacements
This commit is contained in:
parent
cd80b6ab72
commit
07e3b65d24
@ -13,9 +13,13 @@ dummy.c:
|
||||
|
||||
|
||||
check_PROGRAMS = \
|
||||
test_heap \
|
||||
test_strnstr
|
||||
|
||||
TESTS = $(check_PROGRAMS)
|
||||
AM_TESTS_ENVIRONMENT = ASAN_OPTIONS="allocator_may_return_null=1"
|
||||
|
||||
test_heap_SOURCES = test/heap.c
|
||||
test_heap_LDADD = libcompat.la
|
||||
test_strnstr_SOURCES = test/strnstr.c
|
||||
test_strnstr_LDADD = libcompat.la
|
||||
|
105
compat/test/heap.c
Normal file
105
compat/test/heap.c
Normal file
@ -0,0 +1,105 @@
|
||||
/*****************************************************************************
|
||||
* aligned_alloc test case
|
||||
*****************************************************************************
|
||||
* Copyright © 2019 Rémi Denis-Courmont
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation; either version 2.1 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this program; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
||||
*****************************************************************************/
|
||||
|
||||
#include "config.h"
|
||||
#undef NDEBUG
|
||||
#include <assert.h>
|
||||
#include <stdalign.h>
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <errno.h>
|
||||
|
||||
struct big_align_struct {
|
||||
long long ll;
|
||||
double d;
|
||||
};
|
||||
|
||||
/* Supported alignments. Others are undefined (ISO C11 §7.22.3, §J.2). */
|
||||
static const size_t alignv[] = {
|
||||
alignof (char),
|
||||
alignof (short),
|
||||
alignof (int),
|
||||
alignof (long),
|
||||
alignof (long long),
|
||||
alignof (float),
|
||||
alignof (double),
|
||||
alignof (struct big_align_struct),
|
||||
alignof (void *),
|
||||
alignof (max_align_t),
|
||||
};
|
||||
|
||||
static const size_t alignc = sizeof (alignv) / sizeof (alignv[0]);
|
||||
|
||||
static void test_posix_memalign(size_t align, size_t size)
|
||||
{
|
||||
void *p;
|
||||
int val = posix_memalign(&p, align, size);
|
||||
|
||||
if (align >= sizeof (void *)) {
|
||||
if (val == 0) {
|
||||
assert(((uintptr_t)p & (align - 1)) == 0);
|
||||
free(p);
|
||||
}
|
||||
} else
|
||||
assert(val != 0);
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
void *p;
|
||||
|
||||
/* aligned_alloc() */
|
||||
|
||||
for (size_t i = 0; i < alignc; i++) {
|
||||
size_t align = alignv[i];
|
||||
|
||||
assert((align & (align - 1)) == 0); /* must be a power of two */
|
||||
|
||||
p = aligned_alloc(alignv[i], 0);
|
||||
free(p); /* must free {aligned_,c,m,c,re}alloc() allocations */
|
||||
|
||||
for (size_t j = 0; j < alignc; j++) {
|
||||
size_t size = alignv[j];
|
||||
|
||||
if (size < align)
|
||||
continue; /* size must be a multiple of alignment */
|
||||
|
||||
p = aligned_alloc(align, size);
|
||||
assert(p != NULL); /* small non-zero bytes allocation */
|
||||
assert(((uintptr_t)p & (align - 1)) == 0);
|
||||
free(p);
|
||||
}
|
||||
}
|
||||
|
||||
/* posix_memalign() */
|
||||
|
||||
for (size_t i = 0; i < 21; i++) {
|
||||
size_t align = (size_t)1 << i;
|
||||
|
||||
test_posix_memalign(align, 0);
|
||||
test_posix_memalign(align, 1);
|
||||
test_posix_memalign(align, align - 1);
|
||||
test_posix_memalign(align, align);
|
||||
test_posix_memalign(align, align * 2);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user