$NetBSD: patch-ag,v 1.3 2004/12/15 13:09:58 taca Exp $

--- nmz/util.c.orig	2004-03-21 00:25:10.000000000 +0900
+++ nmz/util.c
@@ -63,7 +63,7 @@
  */
 
 static void reverse_byte_order (void*, int, int);
-static char decode_uri_sub(char c1, char c2);
+static int decode_uri_sub(int c1, int c2);
 
 /* 
  * Reverse byte order. It's type independent.
@@ -85,14 +85,14 @@ reverse_byte_order (void *p, int n, int 
     }
 }
 
-static char 
-decode_uri_sub(char c1, char c2)
+static int
+decode_uri_sub(int c1, int c2)
 {
-    char c;
+    int c;
 
     c =  ((c1 >= 'A' ? (toupper(c1) - 'A') + 10 : (c1 - '0'))) * 16;
     c += ( c2 >= 'A' ? (toupper(c2) - 'A') + 10 : (c2 - '0'));
-    return c;
+    return c & 0xff;
 }
 
 /*