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authorthegeorg <thegeorg@yandex-team.com>2022-07-22 10:26:06 +0300
committerthegeorg <thegeorg@yandex-team.com>2022-07-22 10:26:06 +0300
commit6b275e9a993167b6c66418e4bcf1b7f557d011e5 (patch)
treeb5f392fe9468be17c0363d900c289a64ee50693d /contrib/libs/libc_compat/reallocarray.c
parentc178dc74ea9d590af4bd804d76bec5db47ddcb33 (diff)
downloadydb-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.c39
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);
-}
-