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comparison util.c @ 3:e969f3575b7a

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several new changes, made gridmenu working
author Anselm R. Garbe <garbeam@wmii.de>
date Mon, 10 Jul 2006 19:46:24 +0200
parents a79188fe4a40
children e5018cae273f
comparison
equal deleted inserted replaced
2:a79188fe4a40 3:e969f3575b7a
4 */ 4 */
5 5
6 #include <stdarg.h> 6 #include <stdarg.h>
7 #include <stdio.h> 7 #include <stdio.h>
8 #include <stdlib.h> 8 #include <stdlib.h>
9 #include <string.h>
9 10
10 void 11 void
11 error(char *errstr, ...) { 12 error(char *errstr, ...) {
12 va_list ap; 13 va_list ap;
13 va_start(ap, errstr); 14 va_start(ap, errstr);
14 vfprintf(stderr, errstr, ap); 15 vfprintf(stderr, errstr, ap);
15 va_end(ap); 16 va_end(ap);
16 exit(1); 17 exit(1);
17 } 18 }
18 19
20 static void
21 bad_malloc(unsigned int size)
22 {
23 fprintf(stderr, "fatal: could not malloc() %d bytes\n",
24 (int) size);
25 exit(1);
26 }
27
28 void *
29 emallocz(unsigned int size)
30 {
31 void *res = calloc(1, size);
32 if(!res)
33 bad_malloc(size);
34 return res;
35 }
36
37 void *
38 emalloc(unsigned int size)
39 {
40 void *res = malloc(size);
41 if(!res)
42 bad_malloc(size);
43 return res;
44 }
45
46 void *
47 erealloc(void *ptr, unsigned int size)
48 {
49 void *res = realloc(ptr, size);
50 if(!res)
51 bad_malloc(size);
52 return res;
53 }
54
55 char *
56 estrdup(const char *str)
57 {
58 void *res = strdup(str);
59 if(!res)
60 bad_malloc(strlen(str));
61 return res;
62 }
63
64 void
65 failed_assert(char *a, char *file, int line)
66 {
67 fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line);
68 abort();
69 }
70
71 void
72 swap(void **p1, void **p2)
73 {
74 void *tmp = *p1;
75 *p1 = *p2;
76 *p2 = tmp;
77 }