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8f4af65 @muennich Refactored, new files util.[ch], C89
authored
1 /* sxiv: util.c
2 * Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
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 of the License, or
7 * (at your option) 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
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #include <stdlib.h>
20 #include <stdio.h>
21
22 #include "options.h"
23 #include "util.h"
24
25 void cleanup();
26
27 void* s_malloc(size_t size) {
28 void *ptr;
29
30 if (!(ptr = malloc(size)))
31 die("could not allocate memory");
32 return ptr;
33 }
34
35 void* s_realloc(void *ptr, size_t size) {
36 if (!(ptr = realloc(ptr, size)))
37 die("could not allocate memory");
38 return ptr;
39 }
40
41 void warn(const char* fmt, ...) {
42 va_list args;
43
44 if (!fmt || options->quiet)
45 return;
46
47 va_start(args, fmt);
48 fprintf(stderr, "sxiv: warning: ");
e8cf8da @muennich Fixed die/warn in util.c
authored
49 vfprintf(stderr, fmt, args);
8f4af65 @muennich Refactored, new files util.[ch], C89
authored
50 fprintf(stderr, "\n");
51 va_end(args);
52 }
53
54 void die(const char* fmt, ...) {
55 va_list args;
56
57 if (!fmt)
58 return;
59
60 va_start(args, fmt);
61 fprintf(stderr, "sxiv: error: ");
e8cf8da @muennich Fixed die/warn in util.c
authored
62 vfprintf(stderr, fmt, args);
8f4af65 @muennich Refactored, new files util.[ch], C89
authored
63 fprintf(stderr, "\n");
64 va_end(args);
65
66 cleanup();
67 exit(1);
68 }
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