134 lines
2 KiB
C
134 lines
2 KiB
C
/** Memory allocation manager
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* @file */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <mm.h>
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#define CHECKSIZE(s) (((s) < 0) || (MM_available() < (s)))
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#ifndef MM_FAIL_FATAL
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#define MM_FAIL_FATAL 0
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#endif
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#include "elinks.h"
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#include "util/error.h"
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#include "util/memory.h"
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static int shmpool_created = 0;
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void *
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mem_alloc(size_t size)
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{
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void *p = NULL;
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if (shmpool_created == 0) {
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if (MM_create(0, NULL) < 0)
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goto fail;
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if (MM_permission(0700, getuid(), getgid()) < 0)
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goto destroy;
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shmpool_created = 1;
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}
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if CHECKSIZE(size) {
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ERROR("mem_alloc(): invalid size %d", size);
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goto fail;
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}
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if ((p = MM_malloc(size)) == NULL)
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goto fail;
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return p;
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INTERNAL("mem_alloc(): should not be here!");
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destroy:
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mem_destroy();
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fail:
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#if MM_FAIL_FATAL
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ERROR("mem_alloc(): Nowhere to go, nothing to do. Cheers!");
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#endif
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return NULL;
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}
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void *
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mem_calloc(size_t number, size_t size)
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{
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void *p;
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if CHECKSIZE(number * size) {
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ERROR("mem_calloc(): invalid args (num: %zd), (size: %zd)",
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number, size);
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goto fail;
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}
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if ((p = MM_calloc(number, size)) == NULL)
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goto fail;
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return p;
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INTERNAL("mem_alloc(): should not be here!");
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fail:
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#if MM_FAIL_FATAL
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ERROR("mem_alloc(): Nowhere to go, nothing to do. Cheers!");
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#endif
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return NULL;
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}
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void
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mem_free(void *ptr)
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{
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if (ptr == NULL) {
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INTERNAL("mem_free(): freeing NULL pointer!");
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return;
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}
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MM_free(ptr);
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}
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void *
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mem_realloc(void *ptr, size_t size)
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{
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void *p;
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if (ptr == NULL)
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return mem_alloc(size);
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if CHECKSIZE(size)
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goto fail;
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if ((p = MM_realloc(ptr, size)) == NULL)
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goto fail;
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return p;
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INTERNAL("mem_alloc(): should not be here!");
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fail:
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ERROR("mem_realloc() failed: %s,", MM_error());
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#if MM_FAIL_FATAL
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INTERNAL("mem_realloc(): Nowhere to go, nothing to do. Cheers!");
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#endif
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return NULL;
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}
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void
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mem_destroy(void)
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{
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MM_destroy();
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return;
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}
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size_t
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mem_sizeof(void *ptr)
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{
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return MM_sizeof(ptr);
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}
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char *
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mem_strdup(const char *str)
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{
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return MM_strdup(str);
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}
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