undefined behavior: signed integer overflow

diff --git a/cups/ppd.c b/cups/ppd.c
index 199cf0348413cb6e8f30e564c091d6640ca6253f..fd74a9cd67601b9d096e03cb23b71e21fe9678b9 100644 (file)
--- a/cups/ppd.c
+++ b/cups/ppd.c
@@ -2839,7 +2839,7 @@ ppd_hash_option(ppd_option_t *option)     /* I - Option */
 
 
   for (hash = option->keyword[0], k = option->keyword + 1; *k;)
-    hash = 33 * hash + *k++;
+    hash = (int)(33U * (unsigned)hash) + *k++;
 
   return (hash & 511);
 }