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author | Mattias Andrée <maandree@kth.se> | 2024-08-18 09:58:23 +0200 |
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committer | Mattias Andrée <maandree@kth.se> | 2024-08-18 09:58:23 +0200 |
commit | a69f0f613687edf6c1f1ee83b462f77e8ea3c9a9 (patch) | |
tree | d976683461a0f427d2f1ef79a8732a048dd0c67b /reallocarray.c | |
parent | Merge tag '1.3' into since (diff) | |
parent | Update VERSION_MINOR (diff) | |
download | libsimple-a69f0f613687edf6c1f1ee83b462f77e8ea3c9a9.tar.gz libsimple-a69f0f613687edf6c1f1ee83b462f77e8ea3c9a9.tar.bz2 libsimple-a69f0f613687edf6c1f1ee83b462f77e8ea3c9a9.tar.xz |
Merge tag '1.4' into since
Version 1.4
Diffstat (limited to 'reallocarray.c')
-rw-r--r-- | reallocarray.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/reallocarray.c b/reallocarray.c new file mode 100644 index 0000000..d54e2eb --- /dev/null +++ b/reallocarray.c @@ -0,0 +1,59 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + + +extern inline void *libsimple_reallocarray(void *, size_t, size_t); + + +#else +#include "test.h" + +int +main(void) +{ + struct allocinfo *info; + void *ptr, *old; + + assert((ptr = libsimple_reallocarray(NULL, 1, 5))); + if (have_custom_malloc()) { + assert((info = get_allocinfo(ptr))); + assert(info->size == 5); + assert(!info->zeroed); + assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment))); + info->refcount += 1; + } + stpcpy(ptr, "test"); + assert((ptr = libsimple_reallocarray(old = ptr, 10, 10))); + assert(!strcmp(ptr, "test")); + if (have_custom_malloc()) { + assert((info = get_allocinfo(ptr))); + assert(info->size == 100); + assert(!info->zeroed); + assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment))); + assert(ptr != old); + free(old); + } + free(ptr); + + if (have_custom_malloc()) { + alloc_fail_in = 1; + assert(!libsimple_reallocarray(NULL, 1, 1) && errno == ENOMEM); + assert(!alloc_fail_in); + } + +#if defined(__GNUC__) && !defined(__clang__) +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Walloc-size-larger-than=" +#endif + + assert(!libsimple_reallocarray(NULL, SIZE_MAX, SIZE_MAX) && errno == ENOMEM); + +#if defined(__GNUC__) && !defined(__clang__) +# pragma GCC diagnostic pop +#endif + + return 0; +} + +#endif |