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* expand.c (variable_append): [SV 49113] Possible null ptr deref

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Jaak Ristioja 2016-12-18 09:48:46 -05:00 committed by Paul Smith
parent 1c9790e6f5
commit 9c487cc537
1 changed files with 4 additions and 2 deletions
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6
expand.c
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@ -490,13 +490,15 @@ variable_append (const char *name, unsigned int length,
{
const struct variable *v;
char *buf = 0;
/* If this set is local and the next is not a parent, then next is local. */
int nextlocal = local && set->next_is_parent == 0;
int nextlocal;
/* If there's nothing left to check, return the empty buffer. */
if (!set)
return initialize_variable_output ();
/* If this set is local and the next is not a parent, then next is local. */
nextlocal = local && set->next_is_parent == 0;
/* Try to find the variable in this variable set. */
v = lookup_variable_in_set (name, length, set->set);