Merge zippy.cornsilk.net:/home/cmiller/work/mysql/41gca

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.0-maint-2


sql/sql_parse.cc:
  Auto merged

sql/sql_parse.cc

@@ -1009,9 +1009,12 @@ static int check_connection(THD *thd)
     Old clients send null-terminated string as password; new clients send
     the size (1 byte) + string (not null-terminated). Hence in case of empty
     password both send '\0'.
+
+    Cast *passwd to an unsigned char, so that it doesn't extend the sign for
+    *passwd > 127 and become 2**32-127 after casting to uint.
   */
   uint passwd_len= thd->client_capabilities & CLIENT_SECURE_CONNECTION ?
-    *passwd++ : strlen(passwd);
+    (uchar)(*passwd++) : strlen(passwd);
   db= thd->client_capabilities & CLIENT_CONNECT_WITH_DB ?
     db + passwd_len + 1 : 0;
   uint db_len= db ? strlen(db) : 0;