imapfilter/imapfilter/memory.c

#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include "imapfilter.h"


/*
 * A malloc() that checks the results and dies in case of error.
 */
void *xmalloc(size_t size)
{
    void *ptr;

    ptr = (void *) malloc(size);

    if (!ptr)
        fatal(ERROR_MEMORY_ALLOCATION,
              "imapfilter: allocating memory; %s\n", strerror(errno));

    return ptr;
}


/*
 * A realloc() that checks the results and dies in case of error.
 */
void *xrealloc(void *ptr, size_t size)
{
    ptr = (void *) realloc(ptr, size);

    if (!ptr)
        fatal(ERROR_MEMORY_ALLOCATION,
              "imapfilter: allocating memory; %s\n", strerror(errno));

    return ptr;
}


/*
 * A free() that dies if fed with NULL pointer.
 */
void xfree(void *ptr)
{
    if (!ptr)
        fatal(ERROR_MEMORY_ALLOCATION,
              "imapfilter: NULL pointer given as argument");
    free(ptr);
}


/*
 * A strdup() that checks the results and dies in case of error.
 */
char *xstrdup(const char *s)
{
    char *cp;

    cp = strdup(s);

    if (!cp)
        fatal(ERROR_MEMORY_ALLOCATION,
              "imapfilter: allocating memory; %s\n", strerror(errno));

    return cp;
}
1	lefcha	1.1	#include <stdlib.h>
2			#include <string.h>
3			#include <errno.h>
4
5			#include "imapfilter.h"
6
7	lefcha	1.4
8	lefcha	1.1	/*
9	lefcha	1.3	* A malloc() that checks the results and dies in case of error.
10	lefcha	1.1	*/
11			void *xmalloc(size_t size)
12			{
13			void *ptr;
14	lefcha	1.2
15	lefcha	1.1	ptr = (void *) malloc(size);
16	lefcha	1.2
17	lefcha	1.1	if (!ptr)
18			fatal(ERROR_MEMORY_ALLOCATION,
19			"imapfilter: allocating memory; %s\n", strerror(errno));
20	lefcha	1.2
21	lefcha	1.1	return ptr;
22			}
23
24
25			/*
26	lefcha	1.3	* 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	lefcha	1.5	* 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	lefcha	1.3	* A strdup() that checks the results and dies in case of error.
54	lefcha	1.1	*/
55			char xstrdup(const char s)
56			{
57			char *cp;
58	lefcha	1.2
59	lefcha	1.1	cp = strdup(s);
60	lefcha	1.2
61	lefcha	1.1	if (!cp)
62			fatal(ERROR_MEMORY_ALLOCATION,
63			"imapfilter: allocating memory; %s\n", strerror(errno));
64	lefcha	1.2
65	lefcha	1.1	return cp;
66	lefcha	1.2	}