X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=zdiff.in;h=4cf73951f48a001c6aa7b5098a8da0dde4b68f25;hb=92249085071a973e2c0621b0415b93d2e48bb00d;hp=5ac8890c4f93508dfeace43a1cb10772ef963d5c;hpb=4ee107046a0ffd91f6c60c787326a5e27b799f6d;p=debian%2Fgzip

diff --git a/zdiff.in b/zdiff.in
index 5ac8890..4cf7395 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 # sh is buggy on RS/6000 AIX 3.2. Replace above line with #!/bin/ksh
 
-# Copyright (C) 1998, 2002, 2006, 2007, 2009 Free Software Foundation
+# Copyright (C) 1998, 2002, 2006-2007, 2009-2018 Free Software Foundation, Inc.
 # Copyright (C) 1993 Jean-loup Gailly
 
 # This program is free software; you can redistribute it and/or modify
@@ -18,12 +18,6 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-bindir=@bindir@
-case $1 in
---__bindir) bindir=${2?}; shift; shift;;
-esac
-PATH=$bindir:$PATH
-
 case $1 in
   --__cmp) shift
         prog=cmp;  cmp='${CMP-cmp}'  ;;
@@ -31,9 +25,9 @@ case $1 in
 esac
 
 version="z$prog (gzip) @VERSION@
-Copyright (C) 2009, 2011-2012 Free Software Foundation, Inc.
+Copyright (C) 2009, 2011-2018 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
-the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
 
 Written by Jean-loup Gailly."
@@ -56,8 +50,8 @@ escape='
 
 while :; do
   case $1 in
-  --h*) printf '%s\n' "$usage" || exit 2; exit;;
-  --v*) echo "$version" || exit 2; exit;;
+  --h*) printf '%s\n' "$usage"   || exit 2; exit;;
+  --v*) printf '%s\n' "$version" || exit 2; exit;;
   --) shift; break;;
   -*\'*) cmp="$cmp '"`printf '%sX\n' "$1" | sed "$escape"`;;
   -?*) cmp="$cmp '$1'";;
@@ -84,7 +78,7 @@ if test $# -eq 1; then
       (gzip -cd -- "$1" 4>&-; echo $? >&4) 3>&- | eval "$cmp" - '"$FILE"' >&3
     );;
   *)
-    echo >&2 "$0: $1: unknown compressed file extension"
+    printf >&2 '%s\n' "$0: $1: unknown compressed file extension"
     exit 2;;
   esac
 elif test $# -eq 2; then
@@ -117,17 +111,22 @@ elif test $# -eq 2; then
                         esac
                         (exit $cmp_status)
                     else
-                        F=`expr "/$2" : '.*/\(.*\)[-.][zZtga]*$'` || F=$prog
                         tmp=
                         trap '
                           test -n "$tmp" && rm -f "$tmp"
                           (exit 2); exit 2
                         ' HUP INT PIPE TERM 0
+                        case $TMPDIR in
+                          / | /*/) ;;
+                          /*) TMPDIR=$TMPDIR/;;
+                          *) TMPDIR=/tmp/;;
+                        esac
                         if type mktemp >/dev/null 2>&1; then
-                          tmp=`mktemp -t -- "$F.XXXXXX"` || exit 2
+                          tmp=`mktemp "${TMPDIR}zdiffXXXXXXXXX"` ||
+                            exit 2
                         else
                           set -C
-                          tmp=${TMPDIR-/tmp}/$F.$$
+                          tmp=${TMPDIR}zdiff$$
                         fi
                         gzip -cdfq -- "$2" > "$tmp" || exit 2
                         gzip_status=$(
@@ -158,7 +157,8 @@ elif test $# -eq 2; then
                 esac;;
         esac
 else
-        echo >&2 "$0: invalid number of operands; try \`$0 --help' for help"
+        printf >&2 '%s\n' \
+          "$0: invalid number of operands; try \`$0 --help' for help"
         exit 2
 fi