mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
8e31dbc1dc
* qatar/master: Fix a bunch of common typos. build: Skip compiling xvmc.h under the correct condition. configure: darwin: Change dylib install names to include major version. mpegts: Always honor a registration descriptor if present and there is no other codec information. aacdec: Fix SCE parity check. aacdec: Fix out of array writes (stack). rtsp: Only set the ttl parameter if the server actually gave a value udp: Set ttl for read-write streams, too, not only for write-only ones udp: Only bind to the multicast address if in read-only mode udp: Clarify the comment about binding the multicast address udp: Reorder comments Conflicts: libavcodec/aacdec.c tools/patcheck Merged-by: Michael Niedermayer <michaelni@gmx.at>
180 lines
8.4 KiB
Bash
Executable File
180 lines
8.4 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# if no argument provided, write stdin to a file and re-run the script
|
|
if [ $# = 0 ]; then
|
|
cat > patcheck.stdout
|
|
$0 patcheck.stdout
|
|
rm -f patcheck.stdout
|
|
exit
|
|
fi
|
|
|
|
GREP=grep
|
|
EGREP=egrep
|
|
TMP=patcheck.tmp
|
|
OPT="-nH"
|
|
#FILES=$($GREP '^+++' $* | sed 's/+++ //g')
|
|
|
|
echo patCHeck 1e10.0
|
|
echo This tool is intended to help a human check/review patches. It is very far from
|
|
echo being free of false positives and negatives, and its output are just hints of what
|
|
echo may or may not be bad. When you use it and it misses something or detects
|
|
echo something wrong, fix it and send a patch to the ffmpeg-devel mailing list.
|
|
echo License: GPL, Author: Michael Niedermayer
|
|
|
|
ERE_PRITYP='(unsigned *|)(char|short|long|int|long *int|short *int|void|float|double|(u|)int(8|16|32|64)_t)'
|
|
ERE_TYPES='(const|static|av_cold|inline| *)*('$ERE_PRITYP'|[a-zA-Z][a-zA-Z0-9_]*)[* ]{1,}[a-zA-Z][a-zA-Z0-9_]*'
|
|
ERE_FUNCS="$ERE_TYPES"' *\('
|
|
|
|
hiegrep(){
|
|
arg="$1"
|
|
msg="$2"
|
|
shift 2
|
|
$GREP $OPT '^+' $* | $GREP -v ':+++'| $EGREP --color=always -- "$arg"> $TMP && printf "\n$msg\n"
|
|
cat $TMP
|
|
}
|
|
|
|
hiegrep2(){
|
|
arg="$1"
|
|
varg="$2"
|
|
msg="$3"
|
|
shift 3
|
|
$GREP $OPT '^+' $* | $GREP -v ':+++' | $EGREP -v -- "$varg" | $EGREP --color=always -- "$arg" > $TMP && printf "\n$msg\n"
|
|
cat $TMP
|
|
}
|
|
|
|
hiegrep '[[:space:]]$' 'trailing whitespace' $*
|
|
hiegrep "$(echo x | tr 'x' '\t')" 'tabs' $*
|
|
#hiegrep ':\+$' 'Empty lines' $*
|
|
hiegrep ';;' 'double ;' $*
|
|
hiegrep2 '\b_[a-zA-Z0-9_]{1,}' '__(asm|attribute)([^a-zA-Z0-9]|$)' 'reserved identifer' $*
|
|
hiegrep '//[-/<\* ]*$' 'empty comment' $*
|
|
hiegrep '/\*[-<\* ]*\*/' 'empty comment' $*
|
|
hiegrep 'for *\( *'"$ERE_PRITYP"' ' 'not gcc 2.95 compatible' $*
|
|
hiegrep '(static|inline|const) *\1' 'duplicate word' $*
|
|
hiegrep 'INIT_VLC_USE_STATIC' 'forbidden ancient vlc type' $*
|
|
hiegrep '=[-+\*\&] ' 'looks like compound assignment' $*
|
|
hiegrep2 '/\*\* *[a-zA-Z0-9].*' '\*/' 'Inconsistently formatted doxygen comment' $*
|
|
hiegrep '; */\*\*[^<]' 'Misformatted doxygen comment' $*
|
|
hiegrep '//!|/\*!' 'inconsistent doxygen syntax' $*
|
|
|
|
hiegrep2 '(int|unsigned|static|void)[a-zA-Z0-9 _]*(init|end)[a-zA-Z0-9 _]*\(.*[^;]$' '(av_cold|:\+[^a-zA-Z_])' 'These functions may need av_cold, please review the whole patch for similar functions needing av_cold' $*
|
|
|
|
hiegrep '\+= *1 *;' 'can be simplified to ++' $*
|
|
hiegrep '-= *1 *;' 'can be simplified to --' $*
|
|
hiegrep '((!|=)= *(0|NULL)[^0-9a-z]|[^0-9a-z](0|NULL) *(!|=)=)' 'x==0 / x!=0 can be simplified to !x / x' $*
|
|
|
|
$EGREP $OPT '^\+ *(const *|)static' $*| $EGREP --color=always '[^=]= *(0|NULL)[^0-9a-zA-Z]'> $TMP && printf '\nuseless 0 init\n'
|
|
cat $TMP
|
|
hiegrep '# *ifdef * (HAVE|CONFIG)_' 'ifdefs that should be #if' $*
|
|
|
|
hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|ouput|seperate|preceed|upto|paket|posible|unkown|inpossible|dimention)\b' 'common typos' $*
|
|
hiegrep 'av_log\( *NULL' 'Missing context in av_log' $*
|
|
hiegrep '[^sn]printf' 'Please use av_log' $*
|
|
hiegrep '\bmalloc' 'Please use av_malloc' $*
|
|
hiegrep '\) *av_malloc' 'useless casts' $*
|
|
hiegrep ':\+ *'"$ERE_PRITYP"' *inline' 'non static inline or strangely ordered inline+static' $*
|
|
hiegrep "$ERE_FUNCS"' *\)' 'missing void' $*
|
|
hiegrep '(sprintf|strcat|strcpy)' 'Possible security issue, make sure this is safe or use snprintf/av_strl*' $*
|
|
hiegrep '/ *(2|4|8|16|32|64|128|256|512|1024|2048|4096|8192|16384|32768|65536)[^0-9]' 'divide by 2^x could use >> maybe' $*
|
|
hiegrep '#(el|)if *(0|1)' 'useless #if' $*
|
|
hiegrep 'if *\( *(0|1) *\)' 'useless if()' $*
|
|
hiegrep '& *[a-zA-Z0-9_]* *\[ *0 *\]' 'useless & [0]' $*
|
|
hiegrep '(\( *[0-9] *(&&|\|\|)|(&&|\|\|) *[0-9] *\))' 'overriding condition' $*
|
|
hiegrep '(:\+|,|;)( *|static|\*)*'"$ERE_PRITYP"' *\*( |\*)*(src|source|input|in[^a-z])' 'missing const?' $*
|
|
hiegrep '(:\+|,|;)( *|static|\*)*'"$ERE_PRITYP"' *(src|source|input|in)([0-9A-Z_][0-9A-Za-z_]*){1,} *\[' 'missing const (test2)?' $*
|
|
hiegrep ' *static *'"$ERE_FUNCS"'[^)]*\);' 'static prototype, maybe you should reorder your functions' $*
|
|
hiegrep '@file: *[a-zA-Z0-9_]' 'doxy filetag with filename can in the future cause problems when forgotten during a rename' $*
|
|
hiegrep '\bassert' 'Please use av_assert0, av_assert1 or av_assert2' $*
|
|
|
|
hiegrep2 '\.long_name *=' 'NULL_IF_CONFIG_SMAL' 'missing NULL_IF_CONFIG_SMAL' $*
|
|
hiegrep2 '\.pix_fmts *= *\(' 'const' 'missing const for pix_fmts array' $*
|
|
hiegrep2 '\.sample_fmts *= *\(' 'const' 'missing const for sample_fmts array' $*
|
|
hiegrep2 '\.supported_framerates *= *\(' 'const' 'missing const for supported_framerates array' $*
|
|
hiegrep2 '\.channel_layouts *= *\(' 'const' 'missing const for channel_layouts array' $*
|
|
|
|
#$EGREP $OPT '^\+.*const ' $*| $GREP -v 'static'> $TMP && printf '\nnon static const\n'
|
|
#cat $TMP
|
|
|
|
hiegrep2 "$ERE_TYPES" '(static|av_|ff_|typedef|:\+[^a-zA-Z_])' 'Non static with no ff_/av_ prefix' $*
|
|
|
|
hiegrep ':\+[^}#]*else' 'missing } prior to else' $*
|
|
hiegrep '(if|while|for)\(' 'missing whitespace between keyword and ( (feel free to ignore)' $*
|
|
hiegrep '(else|do){' 'missing whitespace between keyword and { (feel free to ignore)' $*
|
|
hiegrep '}(else|while)' 'missing whitespace between } and keyword (feel free to ignore)' $*
|
|
|
|
#FIXME this should print the previous statement maybe
|
|
hiegrep ':\+ *{ *$' '{ should be on the same line as the related previous statement' $*
|
|
|
|
|
|
rm $TMP
|
|
for i in $($GREP -H '^+.*@param' $*| sed 's/^\([^:]*\):.*@param\(\[.*\]\|\) *\([a-zA-Z0-9_]*\) .*$/\1:\3/') ; do
|
|
doxpar=$(echo $i | sed 's/^.*:\(.*\)$/\1/')
|
|
file=$(echo $i | sed 's/^\([^:]*\):.*$/\1/')
|
|
$GREP " *$doxpar *[),]" $file | $GREP -v '@param' >/dev/null || $GREP --color=always "@param *$doxpar" $file >>$TMP
|
|
done
|
|
if test -e $TMP ; then
|
|
printf '\nmismatching doxy params\n'
|
|
cat $TMP
|
|
fi
|
|
|
|
$EGREP -B2 $OPT '^(\+|) *('"$ERE_TYPES"'|# *define)' $* | $EGREP -A2 --color=always '(:|-)\+[^/]*/(\*([^*]|$)|/([^/]|$))' > $TMP && printf "\n Non doxy comments\n"
|
|
cat $TMP
|
|
|
|
rm $TMP
|
|
for i in \
|
|
$($EGREP -H '^\+ *'"$ERE_TYPES" $* |\
|
|
$GREP -v '(' | $EGREP -v '\Wgoto\W' |\
|
|
xargs -d '\n' -n 1 |\
|
|
$GREP -o '[* ][* ]*[a-zA-Z][0-9a-zA-Z_]* *[,;=]' |\
|
|
sed 's/.[* ]*\([a-zA-Z][0-9a-zA-Z_]*\) *[,;=]/\1/') \
|
|
; do
|
|
echo $i | $GREP '^NULL$' && continue
|
|
$EGREP $i' *(\+|-|\*|/|\||&|%|)=[^=]' $* >/dev/null || echo "possibly never written:"$i >> $TMP
|
|
$EGREP '(=|\(|return).*'$i'(==|[^=])*$' $* >/dev/null || echo "possibly never read :"$i >> $TMP
|
|
$EGREP -o $i' *((\+|-|\*|/|\||&|%|)=[^=]|\+\+|--) *(0x|)[0-9]*(;|)' $* |\
|
|
$EGREP -v $i' *= *(0x|)[0-9]{1,};'>/dev/null || echo "possibly constant :"$i >> $TMP
|
|
done
|
|
if test -e $TMP ; then
|
|
printf '\npossibly unused variables\n'
|
|
cat $TMP
|
|
fi
|
|
|
|
$GREP '^+++ .*Changelog' $* >/dev/null || printf "\nMissing changelog entry (ignore if minor change)\n"
|
|
|
|
cat $* | tr '\n' '@' | $EGREP --color=always -o '(fprintf|av_log|printf)\([^)]*\)[+ ;@]*\1' >$TMP && printf "\nMergeable calls\n"
|
|
cat $TMP | tr '@' '\n'
|
|
|
|
cat $* | tr '\n' '@' | $EGREP --color=always -o '\+ *if *\( *([A-Za-z0-9_]*) *[<>]=? *[0-9]* *\) * \1 *= *[0-9]* *;[ @\\+]*else *if *\( *\1 *[<>]=? *[0-9]* *\) *\1 *= *[0-9]* *;' >$TMP && printf "\nav_clip / av_clip_uint8 / av_clip_int16 / ...\n"
|
|
cat $TMP | tr '@' '\n'
|
|
|
|
cat $* | tr '\n' '@' | $EGREP --color=always -o '\+ *if *\( *([A-Za-z0-9_]*) *[<>]=? *([A-Za-z0-9_]*) *\)[ @\\+]*(\1|\2) *= *(\1|\2) *;' >$TMP && printf "\nFFMIN/FFMAX\n"
|
|
cat $TMP | tr '@' '\n'
|
|
|
|
cat $* | tr '\n' '@' | $EGREP --color=always -o '\+ *if *\( *([A-Za-z0-9_]*) *\)[ @\\+]*av_free(p|) *\( *(&|) *\1[^-.]' >$TMP && printf "\nav_free(NULL) is safe\n"
|
|
cat $TMP | tr '@' '\n'
|
|
|
|
cat $* | tr '\n' '@' | $EGREP --color=always -o '[^a-zA-Z0-9_]([a-zA-Z0-9_]*) *= *av_malloc *\([^)]*\)[ @;\\+]*memset *\( *\1' >$TMP && printf "\nav_mallocz()\n"
|
|
cat $TMP | tr '@' '\n'
|
|
|
|
|
|
# doesnt work
|
|
#cat $* | tr '\n' '@' | $EGREP -o '[^a-zA-Z_0-9]([a-zA-Z][a-zA-Z_0-9]*) *=[^=].*\1' | $EGREP -o '[^a-zA-Z_0-9]([a-zA-Z][a-zA-Z_0-9]*) *=[^=].*\1 *=[^=]' >$TMP && printf "\nPossibly written 2x before read\n"
|
|
#cat $TMP | tr '@' '\n'
|
|
|
|
exit
|
|
|
|
TODO/idea list:
|
|
|
|
for all demuxers & muxers
|
|
$EGREP for "avctx->priv_data"
|
|
|
|
vertical align =
|
|
/* and * align
|
|
arrays fitting in smaller types
|
|
variables written to twice with no interspaced read
|
|
memset(block, 0, 6*64*sizeof(DCTELEM)); -> clear_blocks
|
|
check existence of long_name in AVCodec
|
|
check that the patch does not touch codec & (de)muxer layer at the same time ->split
|
|
|
|
write a regression test containing at least a line that triggers each warning once
|