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Prevent crash when accessing child count, but child list is NULL.

Reviewed By: emilsjolander

Differential Revision: D4104093

fbshipit-source-id: cd7b09818759aa76415b97e241f1a6746a2bc50c
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1 parent 66406cc commit bb84c37dcefe5f31fb6735cbcbbdc4051e3c08c7 @dshahidehpour dshahidehpour committed with Facebook Github Bot Oct 31, 2016
Showing with 5 additions and 1 deletion.
  1. +5 −1 React/CSSLayout/CSSNodeList.c
@@ -92,5 +92,9 @@ CSSNodeRef CSSNodeListDelete(const CSSNodeListRef list, const CSSNodeRef node) {
}
CSSNodeRef CSSNodeListGet(const CSSNodeListRef list, const uint32_t index) {
- return list->items[index];
+ if (CSSNodeListCount(list) > 0) {
+ return list->items[index];
+ }
+
+ return NULL;
}

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