1 /* malloc() function that is glibc compatible.
2
3 Copyright (C) 1997-1998, 2006-2007, 2009-2023 Free Software
4 Foundation, Inc.
5
6 This file is free software: you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
10
11 This file is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18
19 /* written by Jim Meyering and Bruno Haible */
20
21 #define _GL_USE_STDLIB_ALLOC 1
22 #include <config.h>
23
24 #include <stdlib.h>
25
26 #include <errno.h>
27
28 #include "xalloc-oversized.h"
29
30 /* Allocate an N-byte block of memory from the heap, even if N is 0. */
31
32 void *
33 rpl_malloc (size_t n)
34 {
35 if (n == 0)
36 n = 1;
37
38 if (xalloc_oversized (n, 1))
39 {
40 errno = ENOMEM;
41 return NULL;
42 }
43
44 void *result = malloc (n);
45
46 #if !HAVE_MALLOC_POSIX
47 if (result == NULL)
48 errno = ENOMEM;
49 #endif
50
51 return result;
52 }