1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
sortix--sortix/libc/stdlib/reallocarray.cpp
Jonas 'Sortie' Termansen 261b95e0a6 Add reallocarray(3).
2014-12-03 23:55:55 +01:00

34 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This file is part of the Sortix C Library.
The Sortix C Library 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.
The Sortix C Library 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
stdlib/reallocarray.cpp
Reallocates a chunk of memory from the dynamic memory heap.
*******************************************************************************/
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
extern "C" void* reallocarray(void* ptr, size_t nmemb, size_t size)
{
if ( size && nmemb && SIZE_MAX / size < nmemb )
return errno = ENOMEM, (void*) NULL;
return realloc(ptr, nmemb * size);
}