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|
#!/bin/sh
#
# openssl-format-source
# - format source tree according to OpenSSL coding style using indent
#
# usage:
# openssl-format-source [-v] [-n] [file|directory] ...
#
# note: the indent options assume GNU indent v2.2.10 which was released
# Feb-2009 so if you have an older indent the options may not
# match what is expected
#
# any marked block comment blocks have to be moved to align manually after
# the reformatting has been completed as marking a block causes indent to
# not move it at all ...
#
PATH=/usr/local/bin:/bin:/usr/bin:$PATH
export PATH
HERE="`dirname $0`"
set -e
if [ $# -eq 0 ]; then
echo "usage: $0 [-v] [-n] [-c] [sourcefile|sourcedir] ..." >&2
exit 1
fi
VERBOSE=false
DONT=false
STOPARGS=false
COMMENTS=false
DEBUG=""
# for this exercise, we want to force the openssl style, so we roll
# our own indent profile, which is at a well known location
INDENT_PROFILE="$HERE/indent.pro"
export INDENT_PROFILE
if [ ! -f "$INDENT_PROFILE" ]; then
echo "$0: unable to locate the openssl indent.pro file" >&2
exit 1
fi
# Extra arguments; for adding the comment-formatting
INDENT_ARGS=""
for i
do
if [ "$STOPARGS" != "true" ]; then
case $i in
--) STOPARGS="true"; continue;;
-n) DONT="true"; continue;;
-v) VERBOSE="true";
echo "INDENT_PROFILE=$INDENT_PROFILE";
continue;;
-c) COMMENTS="true";
INDENT_ARGS="-fc1 -fca -cdb -sc";
continue;;
-nc) COMMENTS="true";
continue;;
-d) DEBUG='eval tee "$j.pre" |'
continue;;
esac
fi
if [ -d "$i" ]; then
LIST=`find "$i" -name '*.[ch]' -print`
else
if [ ! -f "$i" ]; then
echo "$0: source file not found: $i" >&2
exit 1
fi
LIST="$i"
fi
for j in $LIST
do
# ignore symlinks - we only ever process the base file - so if we
# expand a directory tree we need to ignore any located symlinks
if [ -d "$i" ]; then
if [ -h "$j" ]; then
continue;
fi
fi
if [ "$VERBOSE" = "true" ]; then
echo "$j"
fi
if [ "$DONT" = "false" ]; then
tmp=$(mktemp /tmp/indent.XXXXXX)
trap 'rm -f "$tmp"' HUP INT TERM EXIT
case `basename $j` in
# the list of files that indent is unable to handle correctly
# that we simply leave alone for manual formatting now
obj_dat.h|aes_core.c|aes_x86core.c|ecp_nistz256.c)
echo "skipping $j"
;;
*)
if [ "$COMMENTS" = "true" ]; then
# we have to mark single line comments as /*- ...*/ to stop indent
# messing with them, run expand then indent as usual but with the
# the process-comments options and then undo that marking, and then
# finally re-run indent without process-comments so the marked-to-
# be-ignored comments we did automatically end up getting moved
# into the right possition within the code as indent leaves marked
# comments entirely untouched - we appear to have no way to avoid
# the double processing and get the desired output
cat "$j" | \
expand | \
perl -0 -np \
-e 's/(\n#[ \t]*ifdef[ \t]+__cplusplus\n[^\n]*\n#[ \t]*endif\n)/\n\/**INDENT-OFF**\/$1\/**INDENT-ON**\/\n/g;' \
-e 's/(\n\/\*\!)/\n\/**/g;' \
-e 's/(STACK_OF|LHASH_OF)\(([^ \t,\)]+)\)( |\n)/$1_$2_$3/g;' \
| \
perl -np \
-e 's/^([ \t]*)\/\*([ \t]+.*)\*\/[ \t]*$/if (length("$1$2")<75) {$c="-"}else{$c=""}; "$1\/*$c$2*\/"/e;' \
-e 's/^\/\* ((Copyright|=|----).*)$/\/*-$1/;' \
-e 's/^((DECLARE|IMPLEMENT)_(EXTERN_ASN1|ASN1|ADB|STACK_OF|PKCS12_STACK_OF).*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
-e 's/^([ \t]*(make_dh|make_dh_bn|make_rfc5114_td)\(.*\)[ \t,]*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
-e 's/^(ASN1_ADB_TEMPLATE\(.*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
-e 's/^((ASN1|ADB)_.*_END\(.*[\){=,;]+[ \t]*)$/$1\n\/**INDENT-ON**\//;' \
-e '/ASN1_(ITEM_ref|ITEM_ptr|ITEM_rptr|PCTX)/ || s/^((ASN1|ADB)_[^\*]*[){=,]+[ \t]*)$/\/**INDENT-OFF**\/\n$1/;' \
-e 's/^(} (ASN1|ADB)_[^\*]*[\){=,;]+)$/$1\n\/**INDENT-ON**\//;' \
| \
$DEBUG indent $INDENT_ARGS | \
perl -np \
-e 's/^([ \t]*)\/\*-(.*)\*\/[ \t]*$/$1\/*$2*\//;' \
-e 's/^\/\*-((Copyright|=|----).*)$/\/* $1/;' \
| indent | \
perl -0 -np \
-e 's/\/\*\*INDENT-(ON|OFF)\*\*\/\n//g;' \
| perl -np \
-e 's/(STACK_OF|LHASH_OF)_([^ \t,]+)_( |\/)/$1($2)$3/g;' \
-e 's/(STACK_OF|LHASH_OF)_([^ \t,]+)_$/$1($2)/g;' \
| perl "$HERE"/su-filter.pl \
> "$tmp"
else
expand "$j" | indent $INDENT_ARGS > "$tmp"
fi;
mv "$tmp" "$j"
;;
esac
fi
done
done
|
