From c9eeee0968c583182eb5027538002b1bae627ff6 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 26 Sep 2002 08:33:24 +0000
Subject: [PATCH] gzip 1.3.5

---
 zdiff.in | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/zdiff.in b/zdiff.in
index 110454c..8190192 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -27,19 +27,18 @@ do
             FILES="$FILES $ARG"
         else
             echo "${prog}: $ARG not found or not a regular file"
-	    exit 1
+	    exit 2
         fi ;;
     esac
 done
 if test -z "$FILES"; then
 	echo "Usage: $prog [${comp}_options] file [file]"
-	exit 1
+	exit 2
 fi
 set $FILES
 if test $# -eq 1; then
 	FILE=`echo "$1" | sed 's/[-.][zZtga]*$//'`
 	gzip -cd "$1" | $comp $OPTIONS - "$FILE"
-	STAT="$?"
 
 elif test $# -eq 2; then
 	case "$1" in
@@ -47,24 +46,24 @@ elif test $# -eq 2; then
                 case "$2" in
 	        *[-.]gz* | *[-.][zZ] | *.t[ga]z)
 			F=`echo "$2" | sed 's|.*/||;s|[-.][zZtga]*||'`
-                        gzip -cdfq "$2" > /tmp/"$F".$$
+			set -C
+			trap 'rm -f /tmp/"$F".$$; exit 2' HUP INT PIPE TERM 0
+			gzip -cdfq "$2" > /tmp/"$F".$$ || exit
                         gzip -cdfq "$1" | $comp $OPTIONS - /tmp/"$F".$$
                         STAT="$?"
-			/bin/rm -f /tmp/"$F".$$;;
+			/bin/rm -f /tmp/"$F".$$ || STAT=2
+			trap - HUP INT PIPE TERM 0
+			exit $STAT;;
 
-                *)      gzip -cdfq "$1" | $comp $OPTIONS - "$2"
-                        STAT="$?";;
+                *)      gzip -cdfq "$1" | $comp $OPTIONS - "$2";;
                 esac;;
         *)      case "$2" in
 	        *[-.]gz* | *[-.][zZ] | *.t[ga]z)
-                        gzip -cdfq "$2" | $comp $OPTIONS "$1" -
-                        STAT="$?";;
-                *)      $comp $OPTIONS "$1" "$2"
-                        STAT="$?";;
+                        gzip -cdfq "$2" | $comp $OPTIONS "$1" -;;
+                *)      $comp $OPTIONS "$1" "$2";;
                 esac;;
 	esac
-        exit "$STAT"
 else
 	echo "Usage: $prog [${comp}_options] file [file]"
-	exit 1
+	exit 2
 fi
-- 
2.47.2