regcomp: propagate allocation failures

The error code of an allocating function was not checked in tre_add_tag.
This commit is contained in:
Szabolcs Nagy 2015-09-23 18:19:34 +00:00 committed by Rich Felker
parent b61df2294f
commit 4260dfe1ec

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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;