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[Fix] Segfault when popping a task without a next task.

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This commit is contained in:
Allanis 2013-08-15 13:36:25 +01:00
parent aafeaa43cd
commit aade673567
1 changed files with 7 additions and 2 deletions
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9
src/ai.c
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@ -457,8 +457,13 @@ static int ai_pushtask(lua_State* L) {
static int ai_poptask(lua_State* L) {
(void)L; /* Just a hack to avoid -W -Wall warnings. */
Task* t = cur_pilot->task;
cur_pilot->task = t->next;
t->next = NULL;
if(t != NULL) {
cur_pilot->task = t->next;
t->next = NULL;
} else {
LLUA_DEBUG("Trying to pop task when there are no tasks in stack");
return 0;
}
ai_freetask(t);
return 0;
}