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1 | /* Work around bug on some systems where realloc (NULL, 0) fails. |
2 | Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software Foundation, | |
16 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
17 | ||
18 | /* written by Jim Meyering */ | |
19 | ||
20 | #if HAVE_CONFIG_H | |
21 | # include <config.h> | |
22 | #endif | |
23 | #undef realloc | |
24 | ||
25 | #include <sys/types.h> | |
26 | ||
27 | char *malloc (); | |
28 | char *realloc (); | |
29 | ||
30 | /* Change the size of an allocated block of memory P to N bytes, | |
31 | with error checking. If N is zero, change it to 1. If P is NULL, | |
32 | use malloc. */ | |
33 | ||
34 | char * | |
35 | rpl_realloc (p, n) | |
36 | char *p; | |
37 | size_t n; | |
38 | { | |
39 | if (n == 0) | |
40 | n = 1; | |
41 | if (p == 0) | |
42 | return malloc (n); | |
43 | return realloc (p, n); | |
44 | } |