mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2026-10-24 00:48:56 +03:00
67ee70e8e0
* tests/test-bsearch.c (null_bsearch, main): Remove the #if from null_bsearch because having the same condition in main is enough. Move the comment explaining the #if from null_bsearch to main. * tests/test-memccpy.c (null_memccpy, main): Likewise. * tests/test-memchr.c (null_memchr, main): Likewise. * tests/test-memcmp.c (null_memcmp, main): Likewise. * tests/test-memcpy.c (null_memcpy, main): Likewise. * tests/test-memmove.c (null_memmove, main): Likewise. * tests/test-memset.c (null_memset, main): Likewise. * tests/test-memset_explicit.c (null_memset_explicit, main): Likewise. * tests/test-qsort.c (null_qsort, main): Likewise. * tests/test-strncat.c (null_strncat, main): Likewise. * tests/test-strncmp.c (null_strncmp, main): Likewise. * tests/test-strncpy.c (null_strncpy, main): Likewise. * tests/test-strndup.c (null_strndup, main): Likewise. * tests/test-wcsncat.c (null_wcsncat, main): Likewise. * tests/test-wcsncmp.c (null_wcsncmp, main): Likewise. * tests/test-wcsncpy.c (null_wcsncpy, main): Likewise.
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* Test of memset() function.
|
|
Copyright (C) 2024-2026 Free Software Foundation, Inc.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
/* Specification. */
|
|
#include <string.h>
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "macros.h"
|
|
|
|
/* Test the prototype in <string.h> + compiler. */
|
|
static void *
|
|
null_memset (void *s, int c, size_t n)
|
|
{
|
|
void *p = memset (s, c, n);
|
|
ASSERT (s == NULL);
|
|
return p;
|
|
}
|
|
static void *(*volatile volatile_null_memset) (void *, int, size_t)
|
|
= null_memset;
|
|
|
|
/* Test the library, not the compiler+library. */
|
|
static void *
|
|
lib_memset (void *s, int c, size_t n)
|
|
{
|
|
return memset (s, c, n);
|
|
}
|
|
static void *(*volatile volatile_lib_memset) (void *, int, size_t)
|
|
= lib_memset;
|
|
#undef memset
|
|
#define memset volatile_lib_memset
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
/* Test zero-length operations on NULL pointers, allowed by
|
|
<https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>.
|
|
In GCC < 15 this is a builtin that has the nonnull attribute.
|
|
Some glibc versions use the nonnull attribute, which breaks this test. */
|
|
#if (! defined __GNUC__ || __GNUC__ >= 15 || defined __clang__) \
|
|
&& (! defined __GLIBC__ || 2 < __GLIBC__ + (99 <= __GLIBC_MINOR__))
|
|
ASSERT (memset (NULL, '?', 0) == NULL);
|
|
|
|
ASSERT (volatile_null_memset (NULL, '?', 0) == NULL);
|
|
#endif
|
|
|
|
return test_exit_status;
|
|
}
|