btrfs-progs/libbtrfsutil/stubs.c
David Sterba e0d173c6c4 libbtrfsutil: add stub for reallocarray
This function is new in glibc 2.26 and breaks build in CI and possibly
other environments.

Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-06 11:28:37 +01:00

36 lines
985 B
C

/*
* This file is part of libbtrfsutil.
*
* libbtrfsutil 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 3 of the License, or
* (at your option) any later version.
*
* libbtrfsutil 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 libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
*/
#if HAVE_REALLOCARRAY != 1
#include <stdlib.h>
#include <errno.h>
void *reallocarray(void *ptr, size_t nmemb, size_t size)
{
size_t res;
res = nmemb * size;
if (res < nmemb || res < size) {
errno = ENOMEM;
return NULL;
}
return realloc(ptr, res);
}
#endif