mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-24 01:07:21 +01:00
3548be4a24
Add -V (display version) and -S (list controlling symbols per #if with nesting information) options, and improve unifdefall debug output. Done committing 0 revisions to SVN Obtained from: http://dotat.at/prog/unifdef
80 lines
2.8 KiB
Bash
80 lines
2.8 KiB
Bash
#!/bin/sh
|
|
#
|
|
# unifdefall: remove all the #if's from a source file
|
|
#
|
|
# Copyright (c) 2002 - 2010 Tony Finch <dot@dotat.at>
|
|
# Copyright (c) 2009 - 2010 Jonathan Nieder <jrnieder@gmail.com>
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# $FreeBSD$
|
|
|
|
set -e
|
|
|
|
unifdef="$(dirname "$0")/unifdef"
|
|
if [ ! -e "$unifdef" ]
|
|
then
|
|
unifdef=unifdef
|
|
fi
|
|
|
|
case "$@" in
|
|
"-d "*) echo DEBUGGING 1>&2
|
|
debug=-d
|
|
shift
|
|
esac
|
|
|
|
basename=$(basename "$0")
|
|
tmp=$(mktemp -d "${TMPDIR:-/tmp}/$basename.XXXXXXXXXX") || exit 2
|
|
trap 'rm -r "$tmp" || exit 2' EXIT
|
|
|
|
export LC_ALL=C
|
|
|
|
# list of all controlling macros
|
|
"$unifdef" $debug -s "$@" | sort | uniq >"$tmp/ctrl"
|
|
# list of all macro definitions
|
|
cpp -dM "$@" | sort | sed 's/^#define //' >"$tmp/hashdefs"
|
|
# list of defined macro names
|
|
sed 's/[^A-Za-z0-9_].*$//' <"$tmp/hashdefs" >"$tmp/alldef"
|
|
# list of undefined and defined controlling macros
|
|
comm -23 "$tmp/ctrl" "$tmp/alldef" >"$tmp/undef"
|
|
comm -12 "$tmp/ctrl" "$tmp/alldef" >"$tmp/def"
|
|
# create a sed script that extracts the controlling macro definitions
|
|
# and converts them to unifdef command-line arguments
|
|
sed 's|.*|s/^&\\(([^)]*)\\)\\{0,1\\} /-D&=/p|' <"$tmp/def" >"$tmp/script"
|
|
# create the final unifdef command
|
|
{ echo "$unifdef" $debug -k '\'
|
|
# convert the controlling undefined macros to -U arguments
|
|
sed 's/.*/-U& \\/' <"$tmp/undef"
|
|
# convert the controlling defined macros to quoted -D arguments
|
|
sed -nf "$tmp/script" <"$tmp/hashdefs" |
|
|
sed "s/'/'\\\\''/g;s/.*/'&' \\\\/"
|
|
echo '"$@"'
|
|
} >"$tmp/cmd"
|
|
case $debug in
|
|
-d) for i in ctrl hashdefs alldef undef def script cmd
|
|
do echo ==== $i
|
|
cat "$tmp/$i"
|
|
done 1>&2
|
|
esac
|
|
# run the command we just created
|
|
sh "$tmp/cmd" "$@"
|