OpenHarmony/third_party_mesa3d
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preprocessor: Initialize a potentially uninitialized variable.

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My current reading of the relevant static functions suggests that last
is never used without being uninitialized, (we only use it if the
expansion function returned non-NULL and the expansion functions
always set it before returning non-NULL).

Apparently gcc isn't coming to the same conclusion. Initializing this
to NULL nicely quites gcc and will guarantee a nice, early segfault if
my anaylsis turns out to be wrong.
This commit is contained in:
Carl Worth
2010-06-22 15:51:34 -07:00
parent 726faddda2
commit c42e64099b
1 changed files with 1 additions and 1 deletions
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glcpp/glcpp-parse.y
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@@ -1312,7 +1312,7 @@ _glcpp_parser_expand_token_list (glcpp_parser_t *parser,
token_list_t *list) token_list_t *list)
{ {
token_node_t *node_prev; token_node_t *node_prev;
token_node_t *node, *last; token_node_t *node, *last = NULL;
token_list_t *expansion; token_list_t *expansion;
if (list == NULL) if (list == NULL)