strace/maint/ioctls_gen.sh
Dmitry V. Levin 7e88896a16 maint: avoid effects of locale when sorting files
* maint/ioctls_gen.sh: Invoke sort with LC_COLLATE=C.
* maint/ioctls_hex.sh: Likewise.
* maint/ioctls_sym.sh: Likewise.

Reported-by: Philippe De Muyter <phdm@macqel.be>
2015-05-19 18:00:07 +00:00

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#!/bin/sh
# Copyright (c) 2004-2015 Dmitry V. Levin <ldv@altlinux.org>
# All rights reserved.
#
# 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.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
set -efu
me="${0##*/}"
mydir="${0%/*}"
msg()
{
printf >&2 '%s\n' "$me: $*"
}
case $# in
1)
inc_dir="$1"
arch_dir=
;;
2)
inc_dir="$1"
arch_dir="$2"
;;
*)
echo >&2 "usage: $me include-directory [arch-include-directory]"
exit 1
;;
esac
# Check and canonicalize include-directory and arch-include-directory.
abs_inc_dir="$(cd "$inc_dir" && pwd -P)"
[ -z "$arch_dir" ] ||
abs_arch_dir="$(cd "$arch_dir" && pwd -P)"
cleanup()
{
trap - EXIT
rm -f ioctls_hex.h ioctls_sym.h
exit "$@"
}
trap 'cleanup $?' EXIT
trap 'cleanup 1' HUP PIPE INT QUIT TERM
# Fetch ioctl commands defined in hex form.
{
"$mydir"/ioctls_hex.sh "$inc_dir" 03 linux/hdreg.h
"$mydir"/ioctls_hex.sh "$inc_dir" 22 scsi/sg.h
"$mydir"/ioctls_hex.sh "$inc_dir" 46 linux/fb.h
"$mydir"/ioctls_hex.sh "$inc_dir" 4B linux/kd.h
"$mydir"/ioctls_hex.sh "$inc_dir" 4C linux/loop.h
"$mydir"/ioctls_hex.sh "$inc_dir" 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h
"$mydir"/ioctls_hex.sh "$inc_dir" '\(46\|54\|66\|74\)' asm/ioctls.h asm-generic/ioctls.h
"$mydir"/ioctls_hex.sh "$inc_dir" 56 linux/vt.h
"$mydir"/ioctls_hex.sh "$inc_dir" '7[12]' linux/videotext.h
"$mydir"/ioctls_hex.sh "$inc_dir" 89 asm/sockios.h asm-generic/sockios.h linux/sockios.h
"$mydir"/ioctls_hex.sh "$inc_dir" 8B linux/wireless.h
} > ioctls_hex.h
msg "generated $(grep -c '^{' ioctls_hex.h) hex ioctls from $inc_dir"
# Fetch ioctl commands defined in symbolic form.
"$mydir"/ioctls_sym.sh "$inc_dir" > ioctls_sym.h
# Part of android ioctl commands are defined elsewhere.
android_dir="$inc_dir/../drivers/staging/android"
if [ -d "$android_dir/uapi" ]; then
"$mydir"/ioctls_sym.sh "$android_dir" staging/android >> ioctls_sym.h
fi
msg "generated $(grep -c '^{' ioctls_sym.h) symbolic ioctls from $inc_dir"
# Output all ioctl definitions fetched from include-directory.
echo "/* Generated by $me from definitions found in ${inc_dir%%/}/ tree. */" > ioctls_inc.h
LC_COLLATE=C sort -u ioctls_hex.h ioctls_sym.h >> ioctls_inc.h
msg "generated $(grep -c '^{' ioctls_inc.h) ioctls from $inc_dir"
[ -n "$arch_dir" ] || exit 0
# Fetch ioctl commands defined in hex form.
{
"$mydir"/ioctls_hex.sh "$arch_dir" 54 asm/ioctls.h
"$mydir"/ioctls_hex.sh "$arch_dir" '\(46\|54\|66\|74\)' asm/ioctls.h
"$mydir"/ioctls_hex.sh "$arch_dir" 89 asm/sockios.h
} > ioctls_hex.h
msg "generated $(grep -c '^{' ioctls_hex.h) hex ioctls from $arch_dir"
# Fetch ioctl commands defined in symbolic form.
INCLUDES="-I$abs_inc_dir/uapi -I$abs_inc_dir ${INCLUDES-}" \
"${0%/*}"/ioctls_sym.sh "$arch_dir" > ioctls_sym.h
msg "generated $(grep -c '^{' ioctls_sym.h) symbolic ioctls from $arch_dir"
# Output all ioctl definitions fetched from arch-include-directory.
echo "/* Generated by $me from definitions found in ${arch_dir%%/}/ tree. */" > ioctls_arch.h
LC_COLLATE=C sort -u ioctls_hex.h ioctls_sym.h >> ioctls_arch.h
msg "generated $(grep -c '^{' ioctls_arch.h) ioctls from $arch_dir"