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emacs/lib/malloc.c
2024-01-20 11:45:38 -08:00

52 lines
1.3 KiB
C

/* malloc() function that is glibc compatible.
Copyright (C) 1997-1998, 2006-2007, 2009-2024 Free Software Foundation, Inc.
This file 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 2.1 of the
License, or (at your option) any later version.
This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
/* written by Jim Meyering and Bruno Haible */
#define _GL_USE_STDLIB_ALLOC 1
#include <config.h>
#include <stdlib.h>
#include <errno.h>
#include "xalloc-oversized.h"
/* Allocate an N-byte block of memory from the heap, even if N is 0. */
void *
rpl_malloc (size_t n)
{
if (n == 0)
n = 1;
if (xalloc_oversized (n, 1))
{
errno = ENOMEM;
return NULL;
}
void *result = malloc (n);
#if !HAVE_MALLOC_POSIX
if (result == NULL)
errno = ENOMEM;
#endif
return result;
}