From 4f44f5a4824c2e531d4ca93478fca37da12f5748 Mon Sep 17 00:00:00 2001
From: Felix von Leitner <felix-libowfat@fefe.de>
Date: Mon, 23 Apr 2001 13:41:17 +0000
Subject: [PATCH] fix outputting 0.

---
 fmt/fmt_xlong.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fmt/fmt_xlong.c b/fmt/fmt_xlong.c
index 2f71c3a..6a35aa4 100644
--- a/fmt/fmt_xlong.c
+++ b/fmt/fmt_xlong.c
@@ -9,7 +9,9 @@ unsigned int fmt_xlong(char *dest,unsigned long i) {
   /* first count the number of bytes needed */
   for (len=1, tmp=i; tmp>15; ++len) tmp>>=4;
   if (dest)
-    for (tmp=i, dest+=len; tmp; tmp>>=4)
+    for (tmp=i, dest+=len; ; ) {
       *--dest = tohex(tmp&15);
+      if (!(tmp>>=4)) break;
+    }
   return len;
 }