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Fix bug [#30810] Blender crashes with Array modifier

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When merging bmesh customdata, memset the new blocks to
zero. Otherwise can contain junk values (some layer types with
pointers like MDeformVert can then crash.)
This commit is contained in:
Nicholas Bishop 2012-04-04 16:35:13 +00:00
parent eefdeebae5
commit 84f3eb7786
1 changed files with 4 additions and 1 deletions
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5
source/blender/blenkernel/intern/customdata.c
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@ -2251,8 +2251,11 @@ void CustomData_bmesh_copy_data(const CustomData *source, CustomData *dest,
const LayerTypeInfo *typeInfo;
int dest_i, src_i;
if (!*dest_block)
if (!*dest_block) {
CustomData_bmesh_alloc_block(dest, dest_block);
if (*dest_block)
memset(*dest_block, 0, dest->totsize);
}
/* copies a layer at a time */
dest_i = 0;