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lua: don't crash if an iterator is NULL

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simply behave as if the iterator is valid and has no items in it
This commit is contained in:
George Kiagiadakis
2021-06-02 19:37:32 +03:00
parent 9db0e741cd
commit a604ac4c0c
1 changed files with 1 additions and 1 deletions
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2
modules/module-lua-scripting/api.c
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@@ -391,7 +391,7 @@ iterator_next (lua_State *L)
{ {
WpIterator *it = wplua_checkboxed (L, 1, WP_TYPE_ITERATOR); WpIterator *it = wplua_checkboxed (L, 1, WP_TYPE_ITERATOR);
g_auto (GValue) v = G_VALUE_INIT; g_auto (GValue) v = G_VALUE_INIT;
if (wp_iterator_next (it, &v)) { if (it && wp_iterator_next (it, &v)) {
return wplua_gvalue_to_lua (L, &v); return wplua_gvalue_to_lua (L, &v);
} else { } else {
lua_pushnil (L); lua_pushnil (L);