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|
#!/bin/bash
#
# libseccomp code syntax checking tool
#
# Copyright (c) 2013,2015 Red Hat <pmoore@redhat.com>
# Author: Paul Moore <paul@paul-moore.com>
#
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of version 2.1 of the GNU Lesser General Public License as
# published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, see <http://www.gnu.org/licenses>.
#
CHK_C_LIST="include/seccomp.h.in \
include/seccomp-syscalls.h \
src/*.c src/*.h \
tests/*.c tests/*.h \
tools/*.c tools/*.h"
CHK_C_EXCLUDE="src/syscalls.perf.c"
CHK_SPELL_EXCLUDE_WORDS=""
####
# functions
#
# Dependency verification
#
# Arguments:
# 1 Dependency to check for
#
function verify_deps() {
[[ -z "$1" ]] && return
if ! which "$1" >& /dev/null; then
echo "error: install \"$1\" and include it in your \$PATH"
exit 1
fi
}
#
# Print out script usage details
#
function usage() {
cat << EOF
usage: check-syntax [-h]
libseccomp code syntax checking tool
optional arguments:
-h show this help message and exit
-f fix the file formatting
EOF
}
#
# Spellcheck source code
#
function tool_spell_check() {
local tfile
tfile=$(mktemp -t check-syntax-XXXXXX)
cat - > $tfile
codespell -q 16 -d -w -L "$CHK_SPELL_EXCLUDE_WORDS" $tfile
cat $tfile
rm -f $tfile
}
#
# Generate a properly formatted C source/header file
#
function tool_c_style() {
cat - | astyle --options=none --lineend=linux --mode=c \
--style=linux \
--indent=force-tab=8 \
--indent-col1-comments \
--min-conditional-indent=0 \
--max-continuation-indent=80 \
--pad-oper \
--align-pointer=name \
--align-reference=name \
--max-code-length=80 \
--break-after-logical
}
#
# Generate a properly formatted and spellchecked C source/header file
#
# Arguments:
# 1 Source file
#
function tool_c_ideal() {
cat "$1" | tool_spell_check | tool_c_style
}
#
# Check the formatting on a C source/header file
#
# Arguments:
# 1 File to check
#
function tool_c_style_check() {
[[ -z "$1" || ! -r "$1" ]] && return
tool_c_ideal "$1" | diff -pu --label="$1.orig" "$1" --label="$1" -
}
#
# Fix the formatting on a C source/header file
#
# Arguments:
# 1 File to fix
#
function tool_c_style_fix() {
[[ -z "$1" || ! -r "$1" ]] && return
tmp="$(mktemp --tmpdir=$(dirname "$1"))"
tool_c_ideal "$1" > "$tmp"
mv "$tmp" "$1"
}
#
# Perform all known syntax checks for the configured C sources/headers
#
function check_c() {
for i in $CHK_C_LIST; do
echo "$CHK_C_EXCLUDE" | grep -q "$i" && continue
echo "Differences for $i"
tool_c_style_check "$i"
done
}
#
# Perform all known syntax fixess for the configured C sources/headers
#
function fix_c() {
for i in $CHK_C_LIST; do
echo "$CHK_C_EXCLUDE" | grep -q "$i" && continue
echo "Fixing $i"
tool_c_style_fix "$i"
done
}
####
# main
verify_deps astyle
verify_deps codespell
opt_fix=0
while getopts "fh" opt; do
case $opt in
f)
opt_fix=1
;;
h|*)
usage
exit 1
;;
esac
done
# display the results
echo "=============== $(date) ==============="
echo "Code Syntax Check Results (\"check-syntax $*\")"
if [[ $opt_fix -eq 1 ]]; then
fix_c
else
check_c
fi
echo "============================================================"
# exit
exit 0
|
