/[imapfilter]/imapfilter/memory.c
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Contents of /imapfilter/memory.c

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Revision 1.5 - (show annotations)
Mon Jan 14 18:14:33 2002 UTC (22 years, 2 months ago) by lefcha
Branch: MAIN
Changes since 1.4: +12 -0 lines
File MIME type: text/plain
Added another verion of free().

1 #include <stdlib.h>
2 #include <string.h>
3 #include <errno.h>
4
5 #include "imapfilter.h"
6
7
8 /*
9 * A malloc() that checks the results and dies in case of error.
10 */
11 void *xmalloc(size_t size)
12 {
13 void *ptr;
14
15 ptr = (void *) malloc(size);
16
17 if (!ptr)
18 fatal(ERROR_MEMORY_ALLOCATION,
19 "imapfilter: allocating memory; %s\n", strerror(errno));
20
21 return ptr;
22 }
23
24
25 /*
26 * A realloc() that checks the results and dies in case of error.
27 */
28 void *xrealloc(void *ptr, size_t size)
29 {
30 ptr = (void *) realloc(ptr, size);
31
32 if (!ptr)
33 fatal(ERROR_MEMORY_ALLOCATION,
34 "imapfilter: allocating memory; %s\n", strerror(errno));
35
36 return ptr;
37 }
38
39
40 /*
41 * A free() that dies if fed with NULL pointer.
42 */
43 void xfree(void *ptr)
44 {
45 if (!ptr)
46 fatal(ERROR_MEMORY_ALLOCATION,
47 "imapfilter: NULL pointer given as argument");
48 free(ptr);
49 }
50
51
52 /*
53 * A strdup() that checks the results and dies in case of error.
54 */
55 char *xstrdup(const char *s)
56 {
57 char *cp;
58
59 cp = strdup(s);
60
61 if (!cp)
62 fatal(ERROR_MEMORY_ALLOCATION,
63 "imapfilter: allocating memory; %s\n", strerror(errno));
64
65 return cp;
66 }

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