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regcomp: propagate allocation failures

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The error code of an allocating function was not checked in tre_add_tag.
This commit is contained in:
Szabolcs Nagy
2015-09-24 02:33:18 -04:00
committed by Rich Felker
parent b61df2294f
commit 4260dfe1ec
1 changed files with 2 additions and 1 deletions
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src/regex/regcomp.c
+2 -1
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@@ -1584,7 +1584,8 @@ tre_add_tags(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree,
{
status = tre_add_tag_right(mem, left, tag_left);
tnfa->tag_directions[tag_left] = TRE_TAG_MAXIMIZE;
status = tre_add_tag_right(mem, right, tag_right);
if (status == REG_OK)
status = tre_add_tag_right(mem, right, tag_right);
tnfa->tag_directions[tag_right] = TRE_TAG_MAXIMIZE;
}
num_tags += 2;