Tweak loop condition

diff --git a/src/common/util.c b/src/common/util.c
index 53e117f24c5524e69d4df4d9fca18888688c426b..497b60be1530d7df592ce2296a4f72c0ce161095 100644 (file)
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -1145,7 +1145,7 @@ string_is_valid_hostname(const char *string)
     do {
       result = (TOR_ISALNUM(*c) || (*c == '-') || (*c == '_'));
       c++;
-    } while (result > 0 && *c);
+    } while (result && *c);
 
     if (result == 0) {
       break;