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Fix malloc alignment

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Make sure the malloc alignment is always aligned to the architecture's pointer size
This commit is contained in:
Alessio Centazzo
2019-09-29 15:08:48 -07:00
parent 46263fc148
commit fc14856321
1 changed files with 20 additions and 3 deletions
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23
extras/fixture/src/unity_fixture.c
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@ -188,13 +188,26 @@ typedef struct GuardBytes
} Guard;
#define UNITY_MALLOC_ALIGNMENT (UNITY_POINTER_WIDTH / 8)
static const char end[] = "END";
static size_t unity_size_round_up(size_t size)
{
size_t rounded_size;
rounded_size = ((size + UNITY_MALLOC_ALIGNMENT - 1) / UNITY_MALLOC_ALIGNMENT) * UNITY_MALLOC_ALIGNMENT;
return rounded_size;
}
void* unity_malloc(size_t size)
{
char* mem;
Guard* guard;
size_t total_size = size + sizeof(Guard) + sizeof(end);
size_t total_size;
total_size = sizeof(Guard) + unity_size_round_up(size + sizeof(end));
if (malloc_fail_countdown != MALLOC_DONT_FAIL)
{
@ -243,9 +256,13 @@ static void release_memory(void* mem)
malloc_count--;
#ifdef UNITY_EXCLUDE_STDLIB_MALLOC
if (mem == unity_heap + heap_index - guard->size - sizeof(end))
size_t block_size;
block_size = unity_size_round_up(guard->size + sizeof(end));
if (mem == unity_heap + heap_index - block_size)
{
heap_index -= (guard->size + sizeof(Guard) + sizeof(end));
heap_index -= (sizeof(Guard) + block_size);
}
#else
UNITY_FIXTURE_FREE(guard);