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#!/bin/sh
#
# NAME:
# fixcpp - fix CPP errors
#
# SYNOPSIS:
# fixcpp [-c][-p patch_file][-b bak_dir][-n new_dir] files(s)
#
# DESCRIPTION:
# For each named file, use sed(1) to fixup any descriptive
# text after #else or #endif or that is not properly
# commented as this causes ANSI compilers to generate
# unnecessary warnings.
#
# Naturally this script is not guaranteed to be bullet
# proof, use of -n or -b is advisable!
#
# -c causes fixcpp to make sure that only files that
# needed changing are affected by returning the original
# file to its original location if no changes were needed.
#
# -p causes fixcpp to append to a patch file the context
# diffs of the changes wrought.
#
# SEE ALSO:
# sed(1)
#
# AMENDED:
# 90/08/08 22:46:32 (sjg)
#
# RELEASED:
# 90/08/08 22:46:34 v1.4
#
# SCCSID:
# @(#)fixcpp.sh 1.4 90/08/08 22:46:32 (sjg)
#
# @(#)Copyright (c) 1990 Simon J. Gerraty
#
# This is free software. It comes with NO WARRANTY.
# Everyone is granted permission to copy, modify and
# redistribute this source code provided that all
# recipients are given similar rights, and that the above
# copyright notice and this notice are preserved in all
# copies.
TMPF=/tmp/fixcpp.$$
NEWDIR=
BAKDIR=
PATCHF=
CHECK=
set -- `getopt "cp:b:n:" $*`
if [ $? != 0 ]; then
echo "$0 [-c][-p patch_file][-b bakup_dir][-n new_dir] file [file ...]" >&2
exit 1
fi
for i in $*
do
case $i in
-c) CHECK=yes; shift;;
-p) PATCHF=$2; shift 2;;
-b) BAKDIR=$2; shift 2;;
-n) NEWDIR=$2; shift 2;;
--) shift; break;;
esac
done
NEWDIR=${NEWDIR:-.}
if [ $BAKDIR ]; then
if [ ! -d $BAKDIR ]; then
echo "$0: no such directory -- $BAKDIR" >&2
exit 1
fi
fi
for i in $*
do
if [ $BAKDIR ]; then
mv $i $BAKDIR
infile=$BAKDIR/$i
else
if [ "$NEWDIR" = "." ]; then
mv $i ${TMPF}
infile=${TMPF}
else
infile=$i
fi
fi
sed -e 's;^#\([ ]*e[nl][^ ]*[ ][ ]*\)\([^/ ][^\*].*\);#\1/* \2 */;' -e 's;^#\([ ]*e[nl][^ ]*[ ][ ]*\)\([^/ ]\)$;#\1/* \2 */;' $infile >${NEWDIR}/$i
if [ "${CHECK}" = "yes" -o ${PATCHF} ]; then
if cmp -s $infile ${NEWDIR}/$i ; then
if [ "${CHECK}" = "yes" ]; then
if [ $BAKDIR ]; then
mv $infile ${NEWDIR}/$i
else
rm ${NEWDIR}/$i
fi
fi
else
if [ $PATCHF ]; then
diff -c $infile ${NEWDIR}/$i >> ${PATCHF}
fi
fi
fi
done
rm -f ${TMPF}
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