Remove unnecessary trailing whitespace

[openssl.git] / util / openssl-format-source

diff --git a/util/openssl-format-source b/util/openssl-format-source
index 4ea2f1bbd9f883b733d1cd0d894257ab75f4e08c..dc6a65d30e3295146021d30a8a24079a319c54a2 100755 (executable)
--- a/util/openssl-format-source
+++ b/util/openssl-format-source
@@ -1,17 +1,25 @@
 #!/bin/sh
 #
-# openssl-format-source 
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+#
+# 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 
+#       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 
+# the reformatting has been completed as marking a block causes indent to
 # not move it at all ...
 #
 
@@ -21,6 +29,9 @@ HERE="`dirname $0`"
 
 set -e
 
+INDENT=indent
+uname -s | grep BSD > /dev/null && type gindent > /dev/null 2>&1 && INDENT=gindent
+
 if [ $# -eq 0 ]; then
   echo "usage: $0 [-v] [-n] [-c] [sourcefile|sourcedir] ..." >&2
   exit 1
@@ -44,17 +55,17 @@ fi
 
 # Extra arguments; for adding the comment-formatting
 INDENT_ARGS=""
-for i 
+for i
 do
   if [ "$STOPARGS" != "true" ]; then
     case $i in
       --) STOPARGS="true"; continue;;
       -n) DONT="true"; continue;;
-      -v) VERBOSE="true"; 
+      -v) VERBOSE="true";
          echo "INDENT_PROFILE=$INDENT_PROFILE";
          continue;;
-      -c) COMMENTS="true"; 
-         INDENT_ARGS="-fc1 -fca -cdb -sc"; 
+      -c) COMMENTS="true";
+         INDENT_ARGS="-fc1 -fca -cdb -sc";
          continue;;
       -nc) COMMENTS="true";
          continue;;
@@ -65,14 +76,14 @@ do
 
   if [ -d "$i" ]; then
     LIST=`find "$i" -name '*.[ch]' -print`
-  else 
+  else
     if [ ! -f "$i" ]; then
       echo "$0: source file not found: $i" >&2
       exit 1
     fi
     LIST="$i"
   fi
-  
+
   for j in $LIST
   do
     # ignore symlinks - we only ever process the base file - so if we
@@ -87,7 +98,7 @@ do
       tmp=$(mktemp /tmp/indent.XXXXXX)
       trap 'rm -f "$tmp"' HUP INT TERM EXIT
 
-      case `basename $j` in 
+      case `basename $j` in
        # the list of files that indent is unable to handle correctly
        # that we simply leave alone for manual formatting now
        obj_dat.h|aes_core.c|aes_x86core.c|ecp_nistz256.c)
@@ -97,11 +108,11 @@ do
          if [ "$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 
+           # 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 
+           # be-ignored comments we did automatically end up getting moved
+           # into the right position 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 | \
@@ -111,20 +122,20 @@ do
              -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$2*\/"/e;' \
+             -e 's/^([ \t]*)\/\*([ \t]+.*)\*\/[ \t]*$/my ($x1,$x2) = ($1, $2); if (length("$x1$x2")<75 && $x2 !~ m#^\s*\*INDENT-(ON|OFF)\*\s*$#) {$c="-"}else{$c=""}; "$x1\/*$c$x2*\/"/e;' \
              -e 's/^\/\* ((Copyright|=|----).*)$/\/*-$1/;' \
-             -e 's/^((DECLARE|IMPLEMENT)_(EXTERN_ASN1|ASN1|ADB|STACK_OF|PKCS12_STACK_OF).*)$/\/**INDENT-OFF**\/\n$1\n\/**INDENT-ON**\//;' \
+             -e 's/^((DECLARE|IMPLEMENT)_.*)$/\/**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|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 | \
+             $DEBUG $INDENT $INDENT_ARGS | \
              perl -np \
                -e 's/^([ \t]*)\/\*-(.*)\*\/[ \t]*$/$1\/*$2*\//;' \
                -e 's/^\/\*-((Copyright|=|----).*)$/\/* $1/;' \
-             | indent | \
+             | $INDENT | \
              perl -0 -np \
                -e 's/\/\*\*INDENT-(ON|OFF)\*\*\/\n//g;' \
              | perl -np \
@@ -133,7 +144,7 @@ do
              | perl "$HERE"/su-filter.pl \
              > "$tmp"
          else
-           expand "$j" | indent $INDENT_ARGS > "$tmp"
+           expand "$j" | $INDENT $INDENT_ARGS > "$tmp"
          fi;
          if cmp -s "$tmp" "$j"; then
            if [ "$VERBOSE" = "true" ]; then