common/utils/xmalloc.c

#include "../io/log.h"
#include <stdlib.h>
#include "utils.h"
#include "xmalloc.h"

#define OLDPTR_NONE ((unsigned long long int *)0xFFFFFFFFFFFFFFFFUL)

static _Noreturn void xalloc_failed(const char *fn_name, size_t bufsize, size_t nblks, void *oldptr)
{
    if (((unsigned long long int *)oldptr) != OLDPTR_NONE)
        log_fatal("%s(ptr: %p, size: %zu): failed to allocate memory: %s", fn_name, oldptr, bufsize, get_last_error());
    else
        log_fatal("%s(size: %zu, nblks: %zu): failed to allocate memory: %s", fn_name, bufsize, nblks, get_last_error());

    exit(EXIT_FAILURE);
}

void *xmalloc(size_t size)
{
    void *ptr = malloc(size);

    if (ptr == NULL)
    {
        xalloc_failed(__func__, size, 1, OLDPTR_NONE);
        return NULL;
    }

    return ptr;
}

void *xcalloc(size_t n, size_t size)
{
    void *ptr = calloc(n, size);

    if (ptr == NULL)
    {
        xalloc_failed(__func__, size, n, OLDPTR_NONE);
        return NULL;
    }

    return ptr;
}

void *xrealloc(void *oldptr, size_t newsize)
{
    void *ptr = realloc(oldptr, newsize);

    if (ptr == NULL)
    {
        xalloc_failed(__func__, newsize, 1, oldptr);
        return NULL;
    }

    return ptr;
}
1	rakinar2	575	#include "../io/log.h"
2			#include <stdlib.h>
3			#include "utils.h"
4			#include "xmalloc.h"
5
6			#define OLDPTR_NONE ((unsigned long long int *)0xFFFFFFFFFFFFFFFFUL)
7
8			static _Noreturn void xalloc_failed(const char fn_name, size_t bufsize, size_t nblks, void oldptr)
9			{
10			if (((unsigned long long int *)oldptr) != OLDPTR_NONE)
11			log_fatal("%s(ptr: %p, size: %zu): failed to allocate memory: %s", fn_name, oldptr, bufsize, get_last_error());
12			else
13			log_fatal("%s(size: %zu, nblks: %zu): failed to allocate memory: %s", fn_name, bufsize, nblks, get_last_error());
14
15			exit(EXIT_FAILURE);
16			}
17
18			void *xmalloc(size_t size)
19			{
20			void *ptr = malloc(size);
21
22			if (ptr == NULL)
23			{
24			xalloc_failed(__func__, size, 1, OLDPTR_NONE);
25			return NULL;
26			}
27
28			return ptr;
29			}
30
31			void *xcalloc(size_t n, size_t size)
32			{
33			void *ptr = calloc(n, size);
34
35			if (ptr == NULL)
36			{
37			xalloc_failed(__func__, size, n, OLDPTR_NONE);
38			return NULL;
39			}
40
41			return ptr;
42			}
43
44			void xrealloc(void oldptr, size_t newsize)
45			{
46			void *ptr = realloc(oldptr, newsize);
47
48			if (ptr == NULL)
49			{
50			xalloc_failed(__func__, newsize, 1, oldptr);
51			return NULL;
52			}
53
54			return ptr;
55			}