Fix yaz_scan - 3 args gives SEGV PHPYAZ-34

indexdata · Aug 31, 2017 · 72542c6 · 72542c6
1 parent 349559c
commit 72542c6
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/php_yaz.c b/php_yaz.c
@@ -1858,9 +1858,11 @@ PHP_FUNCTION(yaz_scan)
 	ZOOM_scanset_destroy(p->zoom_scan);
 	p->zoom_scan = 0;
 	if (p) {
-		option_set(p, "number", array_lookup_string(flags_ht, "number"));
-		option_set(p, "position", array_lookup_string(flags_ht, "position"));
-		option_set(p, "stepSize", array_lookup_string(flags_ht, "stepsize"));
+		if (flags_ht) {
+			option_set(p, "number", array_lookup_string(flags_ht, "number"));
+			option_set(p, "position", array_lookup_string(flags_ht, "position"));
+			option_set(p, "stepSize", array_lookup_string(flags_ht, "stepsize"));
+		}
 		p->zoom_scan = ZOOM_connection_scan(p->zoom_conn, query);
 	}
 	release_assoc(p);