66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
#include "allocator.h"
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#include "aliases.h"
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#include <stdbool.h>
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#include <stdlib.h>
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#define HEADER_MAGIC_01 76329872
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#define HEADER_MAGIC_02 120830238
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#define FOOTER_MAGIC_01 2783946
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#define FOOTER_MAGIC_02 878512284
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struct allocator {
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u8 *buf;
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u64 size;
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u64 used;
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};
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struct block_boundary {
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u64 size;
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bool free;
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u64 magic_01;
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u64 magic_02;
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};
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typedef struct block_boundary block_header;
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typedef struct block_boundary block_footer;
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typedef struct {
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block_header header;
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u8 *data;
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block_footer footer;
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} block_t;
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allocator_t *init_allocator(u64 size) {
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allocator_t *allocator = (allocator_t *)malloc(sizeof(allocator_t));
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if (!allocator) {
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return NULL;
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}
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allocator->buf = (u8 *)malloc(size);
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if (!(allocator->buf)) {
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free(allocator);
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return NULL;
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}
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allocator->size = size;
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allocator->used = 0;
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return allocator;
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}
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void deinit_allocator(allocator_t **allocator) {
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if (*allocator != NULL) {
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if ((*allocator)->buf != NULL) {
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free((*allocator)->buf);
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(*allocator)->buf = NULL;
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}
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free(*allocator);
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*allocator = NULL;
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}
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}
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void *alloc(allocator_t *allocator, u64 size) {}
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