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| author | Dalai Felinto <dfelinto@gmail.com> | 2017-11-07 17:50:04 +0300 |
|---|---|---|
| committer | Dalai Felinto <dfelinto@gmail.com> | 2017-11-07 17:50:42 +0300 |
| commit | f16199d479189f1f142aebecf896182a7276c483 (patch) | |
| tree | 1c8370a36bd8b10abfecb1c84992c871ed5c498a /source/blender/blenlib/BLI_iterator.h | |
| parent | 98ed20aafd60bd31e77b9da6e9b1157987c4fa56 (diff) | |
Fix jumps-dependent-on-uninitialized-variable for iterators
We cannot have iter->valid unitialized, but we need to be sure it is set to true on begin.
Bug found by Sergey Sharybin.
Diffstat (limited to 'source/blender/blenlib/BLI_iterator.h')
| -rw-r--r-- | source/blender/blenlib/BLI_iterator.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_iterator.h b/source/blender/blenlib/BLI_iterator.h index dffdeec949a..d8929b6e73a 100644 --- a/source/blender/blenlib/BLI_iterator.h +++ b/source/blender/blenlib/BLI_iterator.h @@ -43,10 +43,12 @@ typedef void (*IteratorBeginCb)(BLI_Iterator *iter, void *data_in); IteratorCb callback_end_func = callback_end; \ BLI_Iterator iter_macro; \ iter_macro.skip = false; \ + iter_macro.valid = false; \ for (callback_begin(&iter_macro, (_data_in)); \ iter_macro.valid; \ callback_next(&iter_macro)) \ { \ + BLI_assert(iter_macro.valid); \ if (iter_macro.skip) { \ iter_macro.skip = false; \ continue; \ |