1 /* malloc() function that is glibc compatible.
2
3 Copyright (C) 1997-1998, 2006-2007, 2009-2023 Free Software Foundation, Inc.
4
5 This file is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
9
10 This file is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17
18 /* written by Jim Meyering and Bruno Haible */
19
20 #define _GL_USE_STDLIB_ALLOC 1
21 #include <config.h>
22
23 #include <stdlib.h>
24
25 #include <errno.h>
26
27 #include "xalloc-oversized.h"
28
29 /* Allocate an N-byte block of memory from the heap, even if N is 0. */
30
31 void *
32 rpl_malloc (size_t n)
33 {
34 if (n == 0)
35 n = 1;
36
37 if (xalloc_oversized (n, 1))
38 {
39 errno = ENOMEM;
40 return NULL;
41 }
42
43 void *result = malloc (n);
44
45 #if !HAVE_MALLOC_POSIX
46 if (result == NULL)
47 errno = ENOMEM;
48 #endif
49
50 return result;
51 }