diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-10-22 11:57:21 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2012-10-22 11:57:21 +0400 |
commit | 30fd258a0b407419a369fbb2818c49df6b70968e (patch) | |
tree | fcc9c0f67ff0c6cba6181a4960536b6c08899741 /source/blender/blenlib | |
parent | ffd98941b5d6ef1ba8523f5c3c50bd1cf046a57f (diff) |
fix for own error in BLI_heap_new_ex() when zero size is passed.
Diffstat (limited to 'source/blender/blenlib')
-rw-r--r-- | source/blender/blenlib/intern/BLI_heap.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/source/blender/blenlib/intern/BLI_heap.c b/source/blender/blenlib/intern/BLI_heap.c index 3f88e336325..d3b1bdfa8fa 100644 --- a/source/blender/blenlib/intern/BLI_heap.c +++ b/source/blender/blenlib/intern/BLI_heap.c @@ -122,8 +122,8 @@ static void heap_up(Heap *heap, unsigned int i) Heap *BLI_heap_new_ex(unsigned int tot_reserve) { Heap *heap = (Heap *)MEM_callocN(sizeof(Heap), __func__); - heap->bufsize = tot_reserve; - heap->tree = (HeapNode **)MEM_mallocN(tot_reserve * sizeof(HeapNode *), "BLIHeapTree"); + heap->bufsize = MAX2(1, tot_reserve); + heap->tree = (HeapNode **)MEM_mallocN(heap->bufsize * sizeof(HeapNode *), "BLIHeapTree"); heap->arena = BLI_memarena_new(1 << 16, "heap arena"); return heap; @@ -152,23 +152,17 @@ HeapNode *BLI_heap_insert(Heap *heap, float value, void *ptr) HeapNode *node; if ((heap->size + 1) > heap->bufsize) { - unsigned int newsize = heap->bufsize * 2; - HeapNode **newtree; - - newtree = (HeapNode **)MEM_mallocN(newsize * sizeof(*newtree), __func__); - memcpy(newtree, heap->tree, sizeof(HeapNode *) * heap->size); - MEM_freeN(heap->tree); - - heap->tree = newtree; - heap->bufsize = newsize; + heap->bufsize = heap->bufsize * 2; + heap->tree = MEM_reallocN(heap->tree, heap->bufsize * sizeof(*heap->tree)); } if (heap->freenodes) { node = heap->freenodes; heap->freenodes = (HeapNode *)(((HeapNode *)heap->freenodes)->ptr); } - else + else { node = (HeapNode *)BLI_memarena_alloc(heap->arena, sizeof *node); + } node->value = value; node->ptr = ptr; |