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author | thegeorg <thegeorg@yandex-team.com> | 2022-07-22 10:26:06 +0300 |
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committer | thegeorg <thegeorg@yandex-team.com> | 2022-07-22 10:26:06 +0300 |
commit | 6b275e9a993167b6c66418e4bcf1b7f557d011e5 (patch) | |
tree | b5f392fe9468be17c0363d900c289a64ee50693d /contrib/libs/libc_compat/reallocarray.c | |
parent | c178dc74ea9d590af4bd804d76bec5db47ddcb33 (diff) | |
download | ydb-6b275e9a993167b6c66418e4bcf1b7f557d011e5.tar.gz |
libc_compat: Utilize #include_next to avoid contrib patching
Diffstat (limited to 'contrib/libs/libc_compat/reallocarray.c')
-rw-r--r-- | contrib/libs/libc_compat/reallocarray.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/contrib/libs/libc_compat/reallocarray.c b/contrib/libs/libc_compat/reallocarray.c deleted file mode 100644 index 21b0914fe48..00000000000 --- a/contrib/libs/libc_compat/reallocarray.c +++ /dev/null @@ -1,39 +0,0 @@ -/* $OpenBSD: reallocarray.c,v 1.3 2015/09/13 08:31:47 guenther Exp $ */ -/* - * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net> - * - * Permission to use, copy, modify, and 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 <sys/types.h> -#include <errno.h> -#include <stdint.h> -#include <stdlib.h> - -/* - * This is sqrt(SIZE_MAX+1), as s1*s2 <= SIZE_MAX - * if both s1 < MUL_NO_OVERFLOW and s2 < MUL_NO_OVERFLOW - */ -#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4)) - -void * -reallocarray(void *optr, size_t nmemb, size_t size) -{ - if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && - nmemb > 0 && SIZE_MAX / nmemb < size) { - errno = ENOMEM; - return NULL; - } - return realloc(optr, size * nmemb); -} - |