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comparison lib/malloc.c @ 272:d5392bb5da3c 2.5

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date Sun, 16 Aug 2009 17:16:49 +0000
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271:3b793ba7a6c6 272:d5392bb5da3c
1 /* malloc() function that is glibc compatible.
2
3 Copyright (C) 1997, 1998, 2006, 2007 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 This program 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 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 /* written by Jim Meyering and Bruno Haible */
20
21 #include <config.h>
22 /* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
23 #ifdef malloc
24 # define NEED_MALLOC_GNU
25 # undef malloc
26 #endif
27
28 /* Specification. */
29 #include <stdlib.h>
30
31 #include <errno.h>
32
33 /* Call the system's malloc below. */
34 #undef malloc
35
36 /* Allocate an N-byte block of memory from the heap.
37 If N is zero, allocate a 1-byte block. */
38
39 void *
40 rpl_malloc (size_t n)
41 {
42 void *result;
43
44 #ifdef NEED_MALLOC_GNU
45 if (n == 0)
46 n = 1;
47 #endif
48
49 result = malloc (n);
50
51 #if !HAVE_MALLOC_POSIX
52 if (result == NULL)
53 errno = ENOMEM;
54 #endif
55
56 return result;
57 }