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mpv/TOOLS/checktree.sh

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#!/bin/sh
# -----------------------------------------------------------------------------
# Check source-tree for anomalies
#
# Copyright (C) 2005-2007 by Ivo van Poorten
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Thanks to Melchior Franz of the FlightGear project for the original idea
# of a source-tree checker and Torinthiel for the feedback along the way.
# $Id$
# -----------------------------------------------------------------------------
# All yes/no flags. Spaces around flagnames are important!
testflags=" spaces extensions crlf tabs trailws rcsid oll charset stupid gnu \
res depr "
allflags="$testflags showcont color head svn "
# -----------------------------------------------------------------------------
# Avoid locale problems
export LC_ALL=C
# -----------------------------------------------------------------------------
# Helper functions
set_all_tests() {
for i in $testflags ; do
eval _$i=$1
done
}
printoption() {
test -n "$3" && def=$3 || eval def=\$_$1
echo " -(no)$1 $2 [default: $def]"
}
printhead() {
test "$_head" = "yes" && echo -e "$COLB$1$COLE"
}
all_filenames() {
test "$_files" != "" && echo "$_files" && return
if [ "$_svn" = "no" ]; then
find . -type f \
| grep -v "\.\#\|\~$\|\.depend\|\/\.svn\/\|config.mak\|^\./config\.h" \
| grep -v "^\./version\.h\|\.o$\|\.a$\|configure.log\|^\./help_mp.h"
else
for p in . libavcodec libavutil libavformat libpostproc ; do
svn info -R $p 2>/dev/null | sed -n \
'/Path:/bb; :a; d; b; :b; s/Path: /.\//; h; :c; n;
/Node Kind:/bd; bc; :d; /directory/ba; g; p;'
done
fi
}
# -----------------------------------------------------------------------------
# Default settings
set_all_tests no
_spaces=yes
_extensions=yes
_crlf=yes
_showcont=no
_color=yes
_head=yes
_svn=yes
_files=
# Parse command line
for i in "$@"; do
case "$i" in
-help|--help|-h|-\?)
echo -e "\n$0 [options] [files]\n"
echo -e "options:\n"
printoption "spaces " "test for spaces in filenames"
printoption "extensions" "test for uppercase extensions"
printoption "crlf " "test for MSDOS line endings"
printoption "tabs " "test for tab characters"
printoption "trailws " "test for trailing whitespace"
printoption "rcsid " "test for missing RCS Id's"
printoption "oll " "test for overly long lines"
printoption "charset " "test for wrong charset"
printoption "stupid " "test for stupid code"
printoption "gnu " "test for GNUisms"
printoption "res " "test for reserved identifiers"
printoption "depr " "test for deprecated function calls"
echo
printoption "all " "enable all tests" "no"
echo " (-noall can be specified as -none)"
echo
printoption "showcont " "show offending content of file(s)"
echo
printoption "color " "colored output"
printoption "head " "print heading for each test"
printoption "svn " \
"use svn info to determine which files to check"
echo -e "\nIf no files are specified, the whole tree is traversed."
echo -e "If there are, -(no)svn has no effect.\n"
exit
;;
-all)
set_all_tests yes
;;
-noall)
set_all_tests no
;;
-none)
set_all_tests no
;;
-*)
var=`echo X$i | sed 's/^X-//'`
val=yes
case "$var" in
no*)
var=`echo "$var" | cut -c 3-`
val=no
;;
esac
case "$allflags" in
*\ $var\ *)
eval _$var=$val
;;
*)
echo "unknown option: $i" >&2
exit 0
;;
esac
;;
*)
_files="$_files $i"
;;
esac
done
# -----------------------------------------------------------------------------
# Set heading color
if [ "$_color" = "yes" ]; then
COLB="\e[36m"
COLE="\e[m"
else
COLB=""
COLE=""
fi
# Test presence of svn info
if [ "$_svn" = "yes" -a ! -d .svn ] ; then
echo "No svn info available. Please use -nosvn." >&2
exit 1
fi
# Generate filelist once so -svn isn't _that_ much slower than -nosvn anymore
filelist=`all_filenames`
case "$_stupid$_res$_depr$_gnu" in
*yes*)
# generate 'shortlist' to avoid false positives in xpm files, docs, etc,
# when one only needs to check .c and .h files
chfilelist=`echo $filelist | tr ' ' '\n' | grep "[\.][ch]$"`
;;
esac
if [ "$_showcont" = "yes" ]; then
_diffopts="-u"
_grepopts="-n -I"
else
_diffopts="-q"
_grepopts="-l -I"
fi
TAB=`echo " " | tr ' ' '\011'`
# -----------------------------------------------------------------------------
# DO CHECKS
# -----------------------------------------------------------------------------
if [ "$_spaces" = "yes" ]; then
printhead "checking for spaces in filenames ..."
find . | grep " "
fi
# -----------------------------------------------------------------------------
if [ "$_extensions" = "yes" ]; then
printhead "checking for uppercase extensions ..."
echo $filelist | grep "\.[[:upper:]]\+$" | grep -v "\.S$"
fi
# -----------------------------------------------------------------------------
if [ "$_crlf" = "yes" ]; then
printhead "checking for MSDOS line endings ..."
CR=`echo " " | tr ' ' '\015'`
grep $_grepopts "$CR" $filelist
fi
# -----------------------------------------------------------------------------
if [ "$_tabs" = "yes" ]; then
printhead "checking for TAB characters ..."
grep $_grepopts "$TAB" $filelist
fi
# -----------------------------------------------------------------------------
if [ "$_trailws" = "yes" ]; then
printhead "checking for trailing whitespace ..."
grep $_grepopts "[[:space:]]\+$" $filelist
fi
# -----------------------------------------------------------------------------
if [ "$_rcsid" = "yes" ]; then
printhead "checking for missing RCS \$Id\$ or \$Revision\$ tags ..."
grep -L -I "\$\(Id\|Revision\)[[:print:]]\+\$" $filelist
fi
# -----------------------------------------------------------------------------
if [ "$_oll" = "yes" ]; then
printhead "checking for overly long lines (over 79 characters) ..."
grep $_grepopts "^[[:print:]]\{80,\}$" $filelist
fi
# -----------------------------------------------------------------------------
if [ "$_gnu" = "yes" -a -n "$chfilelist" ]; then
printhead "checking for GNUisms ..."
grep $_grepopts "case.*\.\.\..*:" $chfilelist
fi
# -----------------------------------------------------------------------------
if [ "$_res" = "yes" -a -n "$chfilelist" ]; then
printhead "checking for reserved identifiers ..."
grep $_grepopts "#[ $TAB]*define[ $TAB]\+_[[:upper:]].*" $chfilelist
grep $_grepopts "#[ $TAB]*define[ $TAB]\+__.*" $chfilelist
fi
# -----------------------------------------------------------------------------
if [ "$_charset" = "yes" ]; then
printhead "checking bad charsets ..."
for I in $filelist ; do
case "$I" in
./help/help_mp-*.h)
;;
./DOCS/*)
;;
*.c|*.h)
iconv -c -f ascii -t ascii "$I" | diff $_diffopts "$I" -
;;
esac
done
fi
# -----------------------------------------------------------------------------
if [ "$_stupid" = "yes" -a -n "$chfilelist" ]; then
printhead "checking for stupid code ..."
for i in calloc malloc realloc memalign av_malloc av_mallocz faad_malloc \
lzo_malloc safe_malloc mpeg2_malloc _ogg_malloc; do
printhead "--> casting of void* $i()"
grep $_grepopts "([ $TAB]*[a-zA-Z_]\+[ $TAB]*\*.*)[ $TAB]*$i" \
$chfilelist
done
for i in "" signed unsigned; do
printhead "--> usage of sizeof($i char)"
grep $_grepopts "sizeof[ $TAB]*([ $TAB]*$i[ $TAB]*char[ $TAB]*)" \
$chfilelist
done
for i in int8_t uint8_t; do
printhead "--> usage of sizeof($i)"
grep $_grepopts "sizeof[ $TAB]*([ $TAB]*$i[ $TAB]*)" $chfilelist
done
printhead "--> usage of &&1"
grep $_grepopts "&&[ $TAB]*1" $chfilelist
printhead "--> usage of ||0"
grep $_grepopts "||[ $TAB]*0" $chfilelist
# added a-fA-F_ to eliminate some false positives
printhead "--> usage of *0"
grep $_grepopts "[a-zA-Z0-9)]\+[ $TAB]*\*[ $TAB]*0[^.0-9xa-fA-F_]" \
$chfilelist
printhead "--> usage of *1"
grep $_grepopts "[a-zA-Z0-9)]\+[ $TAB]*\*[ $TAB]*1[^.0-9ea-fA-F_]" \
$chfilelist
printhead "--> usage of +0"
grep $_grepopts "[a-zA-Z0-9)]\+[ $TAB]*+[ $TAB]*0[^.0-9xa-fA-F_]" \
$chfilelist
printhead "--> usage of -0"
grep $_grepopts "[a-zA-Z0-9)]\+[ $TAB]*-[ $TAB]*0[^.0-9xa-fA-F_]" \
$chfilelist
fi
# -----------------------------------------------------------------------------
if [ "$_depr" = "yes" -a -n "$chfilelist" ]; then
printhead "checking for deprecated and obsolete function calls ..."
for i in bcmp bcopy bzero getcwd getipnodebyname inet_ntoa inet_addr \
atoq ecvt fcvt ecvt_r fcvt_r qecvt_r qfcvt_r finite ftime gcvt herror \
hstrerror getpass getpw getutent getutid getutline pututline setutent \
endutent utmpname gsignal ssignal gsignal_r ssignal_r infnan memalign \
valloc re_comp re_exec drem dremf dreml rexec svc_getreq sigset \
sighold sigrelse sigignore sigvec sigmask sigblock sigsetmask \
siggetmask ualarm ulimit usleep statfs fstatfs ustat get_kernel_syms \
query_module sbrk tempnam tmpnam mktemp mkstemp
do
printhead "--> $i()"
grep $_grepopts "[^a-zA-Z0-9]$i[ $TAB]*(" $chfilelist
done
fi
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