Fix the temporary file handling in igawk. As far as I can tell, we

don't install this, therefore no PORTREVISION bump is needed.  But I'm
fixing it anyway in case someone changes this port to install it in
the future (perhaps as a result of this commit :-)

Submitted by:	solar@openwall.com

1 files changed, 163 insertions, 0 deletions

diff --git a/lang/gawk/files/patch-sec1 b/lang/gawk/files/patch-sec1
new file mode 100644
index 000000000000..e1b57b976396
--- /dev/null
+++ b/lang/gawk/files/patch-sec1
@@ -0,0 +1,163 @@
+diff -ur gawk-3.0.6.orig/doc/gawk.texi gawk-3.0.6/doc/gawk.texi
+--- doc/gawk.texi.orig	Tue Aug  8 02:57:43 2000
++++ doc/gawk.texi	Sun May 27 04:30:53 2001
+@@ -16550,8 +16550,7 @@
+ arranges to clean up any temporary files on program exit or upon an
+ interrupt.
+ 
+-@c 2e: For the temp file handling, go with Darrel's ig=${TMP:-/tmp}/igs.$$
+-@c 2e: or something as similar as possible.
++@c 2e: For the temporary file handling, use mktemp with $@{TMPDIR:-/tmp@}.
+ 
+ The next part loops through all the command line arguments.
+ There are several cases of interest.
+@@ -16576,7 +16575,7 @@
+ @itemx --file
+ @itemx --file=
+ @itemx -Wfile=
+-The file name is saved to the temporary file @file{/tmp/ig.s.$$} with an
++The file name is saved to a temporary file with an
+ @samp{@@include} statement.
+ The @code{sed} utility is used to remove the leading option part of the
+ argument (e.g., @samp{--file=}).
+@@ -16584,7 +16583,7 @@
+ @item --source
+ @itemx --source=
+ @itemx -Wsource=
+-The source text is echoed into @file{/tmp/ig.s.$$}.
++The source text is echoed into a temporary file.
+ 
+ @item --version
+ @itemx -Wversion
+@@ -16596,16 +16595,11 @@
+ or @samp{-Wsource}, were supplied, then the first non-option argument
+ should be the @code{awk} program.  If there are no command line
+ arguments left, @code{igawk} prints an error message and exits.
+-Otherwise, the first argument is echoed into @file{/tmp/ig.s.$$}.
++Otherwise, the first argument is echoed into a temporary file.
+ 
+ In any case, after the arguments have been processed,
+-@file{/tmp/ig.s.$$} contains the complete text of the original @code{awk}
+-program.
+-
+-The @samp{$$} in @code{sh} represents the current process ID number.
+-It is often used in shell programs to generate unique temporary file
+-names.  This allows multiple users to run @code{igawk} without worrying
+-that the temporary file names will clash.
++the complete text of the original @code{awk} program
++is contained in a temporary file.
+ 
+ @cindex @code{sed} utility
+ Here's the program:
+@@ -16620,13 +16614,25 @@
+ # Arnold Robbins, arnold@@gnu.org, Public Domain
+ # July 1993
+ 
++# Temporary file handling modifications for Owl by
++# Jarno Huuskonen and Solar Designer, still Public Domain
++# May 2001
++
++if [ ! -x /bin/mktemp ]; then
++    echo "$0 needs mktemp to create temporary files."
++    exit 1
++fi
++
++STEMPFILE=`/bin/mktemp $@{TMPDIR:-/tmp@}/igawk.s.XXXXXX` || exit 1
++ETEMPFILE=`/bin/mktemp $@{TMPDIR:-/tmp@}/igawk.e.XXXXXX` || exit 1
++
+ if [ "$1" = debug ]
+ then
+     set -x
+     shift
+ else
+     # cleanup on exit, hangup, interrupt, quit, termination
+-    trap 'rm -f /tmp/ig.[se].$$' 0 1 2 3 15
++    trap 'rm -f $STEMPFILE $ETEMPFILE' EXIT HUP INT QUIT TERM
+ fi
+ 
+ while [ $# -ne 0 ] # loop over arguments
+@@ -16643,28 +16649,28 @@
+ 
+     -[vF]*) opts="$opts '$1'" ;;
+ 
+-    -f)     echo @@include "$2" >> /tmp/ig.s.$$
++    -f)     echo @@include "$2" >> $STEMPFILE
+             shift;;
+ 
+ @group
+     -f*)    f=`echo "$1" | sed 's/-f//'`
+-            echo @@include "$f" >> /tmp/ig.s.$$ ;;
++            echo @@include "$f" >> $STEMPFILE ;;
+ @end group
+ 
+     -?file=*)    # -Wfile or --file
+             f=`echo "$1" | sed 's/-.file=//'`
+-            echo @@include "$f" >> /tmp/ig.s.$$ ;;
++            echo @@include "$f" >> $STEMPFILE ;;
+ 
+     -?file)    # get arg, $2
+-            echo @@include "$2" >> /tmp/ig.s.$$
++            echo @@include "$2" >> $STEMPFILE
+             shift;;
+ 
+     -?source=*)    # -Wsource or --source
+             t=`echo "$1" | sed 's/-.source=//'`
+-            echo "$t" >> /tmp/ig.s.$$ ;;
++            echo "$t" >> $STEMPFILE ;;
+ 
+     -?source)  # get arg, $2
+-            echo "$2" >> /tmp/ig.s.$$
++            echo "$2" >> $STEMPFILE
+             shift;;
+ 
+     -?version)
+@@ -16679,19 +16685,19 @@
+     shift
+ done
+ 
+-if [ ! -s /tmp/ig.s.$$ ]
++if [ ! -s $STEMPFILE ]
+ then
+     if [ -z "$1" ]
+     then
+          echo igawk: no program! 1>&2
+          exit 1
+     else
+-        echo "$1" > /tmp/ig.s.$$
++        echo "$1" > $STEMPFILE
+         shift
+     fi
+ fi
+ 
+-# at this point, /tmp/ig.s.$$ has the program
++# at this point, $STEMPFILE has the program
+ @c endfile
+ @c @end group
+ @end example
+@@ -16776,7 +16782,7 @@
+ @end group
+ @end example
+ 
+-The stack is initialized with @code{ARGV[1]}, which will be @file{/tmp/ig.s.$$}.
++The stack is initialized with @code{ARGV[1]}, which will be @file{$STEMPFILE}.
+ The main loop comes next.  Input lines are read in succession. Lines that
+ do not start with @samp{@@include} are printed verbatim.
+ 
+@@ -16825,7 +16831,7 @@
+ @group
+         close(input[stackptr])
+     @}
+-@}' /tmp/ig.s.$$ > /tmp/ig.e.$$
++@}' $STEMPFILE > $ETEMPFILE
+ @end group
+ @c endfile
+ @c @end group
+@@ -16852,7 +16858,7 @@
+ @example
+ @c @group
+ @c file eg/prog/igawk.sh
+-eval gawk -f /tmp/ig.e.$$ $opts -- "$@@"
++eval gawk -f $ETEMPFILE $opts -- "$@@"
+ 
+ exit $?
+ @c endfile