gzexe: port to macOS mktemp

[debian/gzip] / zdiff.in

diff --git a/zdiff.in b/zdiff.in
index 0d1e74967c4177b50e4bd795e7b12e6928d568d3..960bf86131dc6ed6d28dfc16e38dfab8ba680b76 100644 (file)
--- 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, 2009-2017 Free Software Foundation, Inc.
+# 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
@@ -116,12 +116,17 @@ elif test $# -eq 2; then
                           test -n "$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` || exit 2
+                          tmp=`mktemp "${TMPDIR}zdiffXXXXXXXXX"` ||
+                            exit 2
                         else
-                          F=`expr "/$2" : '.*/\(.*\)[-.][zZtga]*$'` || F=$prog
                           set -C
-                          tmp=${TMPDIR-/tmp}/$F.$$
+                          tmp=${TMPDIR}zdiff$$
                         fi
                         gzip -cdfq -- "$2" > "$tmp" || exit 2
                         gzip_status=$(