Karutoh/CustomHeapManager
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Added ralloc function.

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This commit is contained in:
Arron David Nelson 2024-02-08 17:47:44 -08:00
parent c0da3fdefe
commit 103277bf63
1 changed files with 5 additions and 0 deletions
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5
main.c
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@ -4,6 +4,7 @@
#define ALIGN4(s) (((((s)-1)>>2)<<2)+4)
#define BLOCK_SIZE sizeof(struct block)
#define MINIMUM_BLOCK_SIZE 16
/// The memory block's header.
struct block
@ -22,6 +23,10 @@ struct block* last = NULL;
/// @returns The new memory block.
struct block* extend_heap(size_t s)
{
// Ensure the allocated size is at least the minimum block size
if (s < MINIMUM_BLOCK_SIZE)
s = MINIMUM_BLOCK_SIZE;
struct block* b = sbrk(0);
if (sbrk(BLOCK_SIZE + s) == (void*)-1)