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implement heap_split

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mykola2312 2022-05-24 20:14:00 +03:00
parent c89021d72f
commit 4947abc31c
1 changed files with 8 additions and 1 deletions
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9
heap.c
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@ -14,6 +14,7 @@ typedef struct {
} mblock_t;
#define MBLOCK_ALLOCATED (1<<0)
#define MBLOCK_SIZE(size) ((size) & ~MBLOCK_ALLOCATED)
void heap_init(mheap_t* heap, void* start, unsigned int size)
{
@ -25,7 +26,13 @@ void heap_init(mheap_t* heap, void* start, unsigned int size)
block->size = size;
}
void heap_split(mblock_t* block, unsigned int size)
{
mblock_t* split = (mblock_t*)((uint8_t*)block + size);
split->prev = block;
split->size = block->size - size;
block->size = size;
}
int main()
{