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authorBrad <brad@comstyle.com>2011-03-27 21:05:22 -0400
committerDiego Biurrun <diego@biurrun.de>2011-04-23 17:31:39 +0200
commitff3be572efde575c2b5ee621a84920ac9a5b9b8f (patch)
tree93c74c72016ee9499b50b62a8fc1614e6b9c3627 /tools
parent75e8fba8232108c075a8b24bd7f17b7c5869c7bc (diff)
downloadffmpeg-ff3be572efde575c2b5ee621a84920ac9a5b9b8f.tar.gz
patcheck: Allow overiding grep program(s) through environment variables.
patcheck hardcodes the binary names for grep/egrep. This makes overriding the binary names a pain, e.g. when calling a GNU version of grep on BSD systems. Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/patcheck50
1 files changed, 26 insertions, 24 deletions
diff --git a/tools/patcheck b/tools/patcheck
index e21a9f681d..d81a48937f 100755
--- a/tools/patcheck
+++ b/tools/patcheck
@@ -8,9 +8,11 @@ if [ $# = 0 ]; then
exit
fi
+GREP=grep
+EGREP=egrep
TMP=patcheck.tmp
OPT="-nH"
-#FILES=`grep '^+++' $* | sed 's/+++ //g'`
+#FILES=`$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
@@ -27,7 +29,7 @@ hiegrep(){
arg="$1"
msg="$2"
shift 2
- grep $OPT '^+' $* | grep -v ':+++'| egrep --color=always -- "$arg"> $TMP && printf "\n$msg\n"
+ $GREP $OPT '^+' $* | $GREP -v ':+++'| $EGREP --color=always -- "$arg"> $TMP && printf "\n$msg\n"
cat $TMP
}
@@ -36,7 +38,7 @@ hiegrep2(){
varg="$2"
msg="$3"
shift 3
- grep $OPT '^+' $* | grep -v ':+++' | egrep -v -- "$varg" | egrep --color=always -- "$arg" > $TMP && printf "\n$msg\n"
+ $GREP $OPT '^+' $* | $GREP -v ':+++' | $EGREP -v -- "$varg" | $EGREP --color=always -- "$arg" > $TMP && printf "\n$msg\n"
cat $TMP
}
@@ -60,7 +62,7 @@ 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]'> $TMP && printf '\nuseless 0 init\n'
+$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' $*
@@ -89,7 +91,7 @@ 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'> $TMP && printf '\nnon static const\n'
+#$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' $*
@@ -104,58 +106,58 @@ hiegrep ':\+ *{ *$' '{ should be on the same line as the related previous state
rm $TMP
-for i in `grep -H '^+.*@param' $*| sed 's/^\([^:]*\):.*@param\(\[.*\]\|\) *\([a-zA-Z0-9_]*\) .*$/\1:\3/'` ; do
+for i in `$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
+ $GREP " *$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)' $* | egrep -A2 --color=always '(:|-)\+[^/]*/(\*([^*]|$)|/([^/]|$))' > $TMP && printf "\n Non doxy comments\n"
+$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" $* |\
- grep -v '(' | egrep -v '\Wgoto\W' |\
+ `$EGREP -H '^\+ *'"$ERE_TYPES" $* |\
+ $GREP -v '(' | $EGREP -v '\Wgoto\W' |\
xargs -d '\n' -n 1 |\
- grep -o '[* ][* ]*[a-zA-Z][0-9a-zA-Z_]* *[,;=]' |\
+ $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
+ 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' $* >/dev/null || printf "\nMissing changelog entry (ignore if minor change)\n"
+$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 $* | 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 $* | 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 $* | 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 $* | 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 $* | 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 $* | 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
@@ -163,7 +165,7 @@ exit
TODO/idea list:
for all demuxers & muxers
- grep for "avctx->priv_data"
+ $EGREP for "avctx->priv_data"
vertical align =
/* and * align