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45 lines (35 loc) · 908 Bytes
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dmem.c
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45 lines (35 loc) · 908 Bytes
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#include "derp.h"
#include <stddef.h>
#include <stdlib.h>
#include <sys/mman.h>
void * default_malloc(isize l, bool clear, d_alloc_data);
void * default_realloc(void* data, isize l, d_alloc_data);
void default_free(void*, d_alloc_data);
d_allocator def_allocator = {
.alloc = default_malloc,
.realloc = default_realloc,
.free = default_free,
0
};
void dalloc_set_default(d_allocator alloc) {
def_allocator = alloc;
}
void * default_malloc(isize l, bool clear, d_alloc_data data) {
(void)data;
dassert(l > 0, "malloc size must not be zero");
void *ptr = malloc(l);
if(clear) {
memset(ptr, 0, l);
}
return ptr;
}
void * default_realloc(void* block, isize l, d_alloc_data data) {
(void)data;
dassert(l > 0, "realloc size must not be zero");
void *ptr = realloc(block, l);
return ptr;
}
void default_free(void* ptr, d_alloc_data data) {
(void)data;
free(ptr);
}