projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 0d8f3c8a AD |
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 | } |