|
1268
|
1 /* xrealloc.c: realloc with error checking. |
|
|
2 |
|
|
3 Copyright (C) 1992, 93 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 2, 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 |
|
1315
|
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
|
1268
|
18 |
|
|
19 /* Don't include config.h or all our other usual includes, since |
|
|
20 it's useful to just throw this file into other programs. */ |
|
|
21 |
|
|
22 #include <stdio.h> |
|
|
23 extern char *realloc (); |
|
|
24 |
|
|
25 |
|
|
26 extern void *xmalloc (); |
|
|
27 |
|
|
28 void * |
|
|
29 xrealloc (old_ptr, size) |
|
|
30 void *old_ptr; |
|
|
31 unsigned size; |
|
|
32 { |
|
|
33 void *new_mem; |
|
|
34 |
|
|
35 if (old_ptr == NULL) |
|
|
36 new_mem = xmalloc (size); |
|
|
37 else |
|
|
38 { |
|
|
39 new_mem = (void *) realloc (old_ptr, size); |
|
|
40 if (new_mem == NULL) |
|
|
41 { |
|
|
42 /* We used to print OLD_PTR here using %x, and casting its |
|
|
43 value to unsigned, but that lost on the Alpha, where |
|
|
44 pointers and unsigned had different sizes. Since the info |
|
|
45 is of little or no value anyway, just don't print it. */ |
|
|
46 fprintf (stderr, "fatal: memory exhausted (realloc of %u bytes).\n", |
|
|
47 size); |
|
|
48 /* 1 means success on VMS, so pick a random number (ASCII `B'). */ |
|
|
49 exit (66); |
|
|
50 } |
|
|
51 } |
|
|
52 |
|
|
53 return new_mem; |
|
|
54 } |
