3rd-party/Unity
1
0
Fork 0
mirror of https://github.com/ThrowTheSwitch/Unity.git synced 2026-01-23 00:15:58 +01:00
Code Issues Releases Wiki Activity

Fix MallocThenReallocGrowsMemoryInPlace

Browse Source 
The realloc was not taking in account extra bytes needed for the the pointer proper alignment
This commit is contained in:
Alessio Centazzo
2019-09-29 21:45:51 -07:00
parent fc14856321
commit 75e88a9bc4
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
extras/fixture/src/unity_fixture.c
View File

@@ -317,11 +317,15 @@ void* unity_realloc(void* oldMem, size_t size)
if (guard->size >= size) return oldMem;
#ifdef UNITY_EXCLUDE_STDLIB_MALLOC /* Optimization if memory is expandable */
if (oldMem == unity_heap + heap_index - guard->size - sizeof(end) &&
heap_index + size - guard->size <= UNITY_INTERNAL_HEAP_SIZE_BYTES)
{
release_memory(oldMem); /* Not thread-safe, like unity_heap generally */
return unity_malloc(size); /* No memcpy since data is in place */
size_t old_total_size = unity_size_round_up(guard->size + sizeof(end));
if ((oldMem == unity_heap + heap_index - old_total_size) &&
((heap_index - old_total_size + unity_size_round_up(size + sizeof(end))) <= UNITY_INTERNAL_HEAP_SIZE_BYTES))
{
release_memory(oldMem); /* Not thread-safe, like unity_heap generally */
return unity_malloc(size); /* No memcpy since data is in place */
}
}
#endif
newMem = unity_malloc(size);