Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 2607 deletions

diff --git a/qemu/scripts/checkpatch.pl b/qemu/scripts/checkpatch.pl
deleted file mode 100755
index c9554ba64..000000000
--- a/qemu/scripts/checkpatch.pl
+++ /dev/null
@@ -1,2607 +0,0 @@
-#!/usr/bin/perl -w
-# (c) 2001, Dave Jones. (the file handling bit)
-# (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit)
-# (c) 2007,2008, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite)
-# (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
-# Licensed under the terms of the GNU GPL License version 2
-
-use strict;
-
-my $P = $0;
-$P =~ s@.*/@@g;
-
-my $V = '0.31';
-
-use Getopt::Long qw(:config no_auto_abbrev);
-
-my $quiet = 0;
-my $tree = 1;
-my $chk_signoff = 1;
-my $chk_patch = 1;
-my $tst_only;
-my $emacs = 0;
-my $terse = 0;
-my $file = 0;
-my $check = 0;
-my $summary = 1;
-my $mailback = 0;
-my $summary_file = 0;
-my $root;
-my %debug;
-my $help = 0;
-
-sub help {
-	my ($exitcode) = @_;
-
-	print << "EOM";
-Usage: $P [OPTION]... [FILE]...
-Version: $V
-
-Options:
-  -q, --quiet                quiet
-  --no-tree                  run without a kernel tree
-  --no-signoff               do not check for 'Signed-off-by' line
-  --patch                    treat FILE as patchfile (default)
-  --emacs                    emacs compile window format
-  --terse                    one line per report
-  -f, --file                 treat FILE as regular source file
-  --subjective, --strict     enable more subjective tests
-  --root=PATH                PATH to the kernel tree root
-  --no-summary               suppress the per-file summary
-  --mailback                 only produce a report in case of warnings/errors
-  --summary-file             include the filename in summary
-  --debug KEY=[0|1]          turn on/off debugging of KEY, where KEY is one of
-                             'values', 'possible', 'type', and 'attr' (default
-                             is all off)
-  --test-only=WORD           report only warnings/errors containing WORD
-                             literally
-  -h, --help, --version      display this help and exit
-
-When FILE is - read standard input.
-EOM
-
-	exit($exitcode);
-}
-
-GetOptions(
-	'q|quiet+'	=> \$quiet,
-	'tree!'		=> \$tree,
-	'signoff!'	=> \$chk_signoff,
-	'patch!'	=> \$chk_patch,
-	'emacs!'	=> \$emacs,
-	'terse!'	=> \$terse,
-	'f|file!'	=> \$file,
-	'subjective!'	=> \$check,
-	'strict!'	=> \$check,
-	'root=s'	=> \$root,
-	'summary!'	=> \$summary,
-	'mailback!'	=> \$mailback,
-	'summary-file!'	=> \$summary_file,
-
-	'debug=s'	=> \%debug,
-	'test-only=s'	=> \$tst_only,
-	'h|help'	=> \$help,
-	'version'	=> \$help
-) or help(1);
-
-help(0) if ($help);
-
-my $exit = 0;
-
-if ($#ARGV < 0) {
-	print "$P: no input files\n";
-	exit(1);
-}
-
-my $dbg_values = 0;
-my $dbg_possible = 0;
-my $dbg_type = 0;
-my $dbg_attr = 0;
-my $dbg_adv_dcs = 0;
-my $dbg_adv_checking = 0;
-my $dbg_adv_apw = 0;
-for my $key (keys %debug) {
-	## no critic
-	eval "\${dbg_$key} = '$debug{$key}';";
-	die "$@" if ($@);
-}
-
-my $rpt_cleaners = 0;
-
-if ($terse) {
-	$emacs = 1;
-	$quiet++;
-}
-
-if ($tree) {
-	if (defined $root) {
-		if (!top_of_kernel_tree($root)) {
-			die "$P: $root: --root does not point at a valid tree\n";
-		}
-	} else {
-		if (top_of_kernel_tree('.')) {
-			$root = '.';
-		} elsif ($0 =~ m@(.*)/scripts/[^/]*$@ &&
-						top_of_kernel_tree($1)) {
-			$root = $1;
-		}
-	}
-
-	if (!defined $root) {
-		print "Must be run from the top-level dir. of a kernel tree\n";
-		exit(2);
-	}
-}
-
-my $emitted_corrupt = 0;
-
-our $Ident	= qr{
-			[A-Za-z_][A-Za-z\d_]*
-			(?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)*
-		}x;
-our $Storage	= qr{extern|static|asmlinkage};
-our $Sparse	= qr{
-			__force
-		}x;
-
-# Notes to $Attribute:
-our $Attribute	= qr{
-			const|
-			volatile|
-			QEMU_NORETURN|
-			QEMU_WARN_UNUSED_RESULT|
-			QEMU_SENTINEL|
-			QEMU_ARTIFICIAL|
-			QEMU_PACKED|
-			GCC_FMT_ATTR
-		  }x;
-our $Modifier;
-our $Inline	= qr{inline};
-our $Member	= qr{->$Ident|\.$Ident|\[[^]]*\]};
-our $Lval	= qr{$Ident(?:$Member)*};
-
-our $Constant	= qr{(?:[0-9]+|0x[0-9a-fA-F]+)[UL]*};
-our $Assignment	= qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
-our $Compare    = qr{<=|>=|==|!=|<|>};
-our $Operators	= qr{
-			<=|>=|==|!=|
-			=>|->|<<|>>|<|>|!|~|
-			&&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%
-		  }x;
-
-our $NonptrType;
-our $Type;
-our $Declare;
-
-our $UTF8	= qr {
-	[\x09\x0A\x0D\x20-\x7E]              # ASCII
-	| [\xC2-\xDF][\x80-\xBF]             # non-overlong 2-byte
-	|  \xE0[\xA0-\xBF][\x80-\xBF]        # excluding overlongs
-	| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}  # straight 3-byte
-	|  \xED[\x80-\x9F][\x80-\xBF]        # excluding surrogates
-	|  \xF0[\x90-\xBF][\x80-\xBF]{2}     # planes 1-3
-	| [\xF1-\xF3][\x80-\xBF]{3}          # planes 4-15
-	|  \xF4[\x80-\x8F][\x80-\xBF]{2}     # plane 16
-}x;
-
-# There are still some false positives, but this catches most
-# common cases.
-our $typeTypedefs = qr{(?x:
-        [A-Z][A-Z\d_]*[a-z][A-Za-z\d_]*     # camelcase
-        | [A-Z][A-Z\d_]*AIOCB               # all uppercase
-        | [A-Z][A-Z\d_]*CPU                 # all uppercase
-        | QEMUBH                            # all uppercase
-)};
-
-our @typeList = (
-	qr{void},
-	qr{(?:unsigned\s+)?char},
-	qr{(?:unsigned\s+)?short},
-	qr{(?:unsigned\s+)?int},
-	qr{(?:unsigned\s+)?long},
-	qr{(?:unsigned\s+)?long\s+int},
-	qr{(?:unsigned\s+)?long\s+long},
-	qr{(?:unsigned\s+)?long\s+long\s+int},
-	qr{unsigned},
-	qr{float},
-	qr{double},
-	qr{bool},
-	qr{struct\s+$Ident},
-	qr{union\s+$Ident},
-	qr{enum\s+$Ident},
-	qr{${Ident}_t},
-	qr{${Ident}_handler},
-	qr{${Ident}_handler_fn},
-	qr{target_(?:u)?long},
-);
-
-# This can be modified by sub possible.  Since it can be empty, be careful
-# about regexes that always match, because they can cause infinite loops.
-our @modifierList = (
-);
-
-sub build_types {
-	my $all = "(?x:  \n" . join("|\n  ", @typeList) . "\n)";
-	if (@modifierList > 0) {
-		my $mods = "(?x:  \n" . join("|\n  ", @modifierList) . "\n)";
-		$Modifier = qr{(?:$Attribute|$Sparse|$mods)};
-	} else {
-		$Modifier = qr{(?:$Attribute|$Sparse)};
-	}
-	$NonptrType	= qr{
-			(?:$Modifier\s+|const\s+)*
-			(?:
-				(?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)|
-				(?:$typeTypedefs\b)|
-				(?:${all}\b)
-			)
-			(?:\s+$Modifier|\s+const)*
-		  }x;
-	$Type	= qr{
-			$NonptrType
-			(?:[\s\*]+\s*const|[\s\*]+|(?:\s*\[\s*\])+)?
-			(?:\s+$Inline|\s+$Modifier)*
-		  }x;
-	$Declare	= qr{(?:$Storage\s+)?$Type};
-}
-build_types();
-
-$chk_signoff = 0 if ($file);
-
-my @rawlines = ();
-my @lines = ();
-my $vname;
-for my $filename (@ARGV) {
-	my $FILE;
-	if ($file) {
-		open($FILE, '-|', "diff -u /dev/null $filename") ||
-			die "$P: $filename: diff failed - $!\n";
-	} elsif ($filename eq '-') {
-		open($FILE, '<&STDIN');
-	} else {
-		open($FILE, '<', "$filename") ||
-			die "$P: $filename: open failed - $!\n";
-	}
-	if ($filename eq '-') {
-		$vname = 'Your patch';
-	} else {
-		$vname = $filename;
-	}
-	while (<$FILE>) {
-		chomp;
-		push(@rawlines, $_);
-	}
-	close($FILE);
-	if (!process($filename)) {
-		$exit = 1;
-	}
-	@rawlines = ();
-	@lines = ();
-}
-
-exit($exit);
-
-sub top_of_kernel_tree {
-	my ($root) = @_;
-
-	my @tree_check = (
-		"COPYING", "MAINTAINERS", "Makefile",
-		"README", "docs", "VERSION",
-		"vl.c"
-	);
-
-	foreach my $check (@tree_check) {
-		if (! -e $root . '/' . $check) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-sub expand_tabs {
-	my ($str) = @_;
-
-	my $res = '';
-	my $n = 0;
-	for my $c (split(//, $str)) {
-		if ($c eq "\t") {
-			$res .= ' ';
-			$n++;
-			for (; ($n % 8) != 0; $n++) {
-				$res .= ' ';
-			}
-			next;
-		}
-		$res .= $c;
-		$n++;
-	}
-
-	return $res;
-}
-sub copy_spacing {
-	(my $res = shift) =~ tr/\t/ /c;
-	return $res;
-}
-
-sub line_stats {
-	my ($line) = @_;
-
-	# Drop the diff line leader and expand tabs
-	$line =~ s/^.//;
-	$line = expand_tabs($line);
-
-	# Pick the indent from the front of the line.
-	my ($white) = ($line =~ /^(\s*)/);
-
-	return (length($line), length($white));
-}
-
-my $sanitise_quote = '';
-
-sub sanitise_line_reset {
-	my ($in_comment) = @_;
-
-	if ($in_comment) {
-		$sanitise_quote = '*/';
-	} else {
-		$sanitise_quote = '';
-	}
-}
-sub sanitise_line {
-	my ($line) = @_;
-
-	my $res = '';
-	my $l = '';
-
-	my $qlen = 0;
-	my $off = 0;
-	my $c;
-
-	# Always copy over the diff marker.
-	$res = substr($line, 0, 1);
-
-	for ($off = 1; $off < length($line); $off++) {
-		$c = substr($line, $off, 1);
-
-		# Comments we are wacking completly including the begin
-		# and end, all to $;.
-		if ($sanitise_quote eq '' && substr($line, $off, 2) eq '/*') {
-			$sanitise_quote = '*/';
-
-			substr($res, $off, 2, "$;$;");
-			$off++;
-			next;
-		}
-		if ($sanitise_quote eq '*/' && substr($line, $off, 2) eq '*/') {
-			$sanitise_quote = '';
-			substr($res, $off, 2, "$;$;");
-			$off++;
-			next;
-		}
-		if ($sanitise_quote eq '' && substr($line, $off, 2) eq '//') {
-			$sanitise_quote = '//';
-
-			substr($res, $off, 2, $sanitise_quote);
-			$off++;
-			next;
-		}
-
-		# A \ in a string means ignore the next character.
-		if (($sanitise_quote eq "'" || $sanitise_quote eq '"') &&
-		    $c eq "\\") {
-			substr($res, $off, 2, 'XX');
-			$off++;
-			next;
-		}
-		# Regular quotes.
-		if ($c eq "'" || $c eq '"') {
-			if ($sanitise_quote eq '') {
-				$sanitise_quote = $c;
-
-				substr($res, $off, 1, $c);
-				next;
-			} elsif ($sanitise_quote eq $c) {
-				$sanitise_quote = '';
-			}
-		}
-
-		#print "c<$c> SQ<$sanitise_quote>\n";
-		if ($off != 0 && $sanitise_quote eq '*/' && $c ne "\t") {
-			substr($res, $off, 1, $;);
-		} elsif ($off != 0 && $sanitise_quote eq '//' && $c ne "\t") {
-			substr($res, $off, 1, $;);
-		} elsif ($off != 0 && $sanitise_quote && $c ne "\t") {
-			substr($res, $off, 1, 'X');
-		} else {
-			substr($res, $off, 1, $c);
-		}
-	}
-
-	if ($sanitise_quote eq '//') {
-		$sanitise_quote = '';
-	}
-
-	# The pathname on a #include may be surrounded by '<' and '>'.
-	if ($res =~ /^.\s*\#\s*include\s+\<(.*)\>/) {
-		my $clean = 'X' x length($1);
-		$res =~ s@\<.*\>@<$clean>@;
-
-	# The whole of a #error is a string.
-	} elsif ($res =~ /^.\s*\#\s*(?:error|warning)\s+(.*)\b/) {
-		my $clean = 'X' x length($1);
-		$res =~ s@(\#\s*(?:error|warning)\s+).*@$1$clean@;
-	}
-
-	return $res;
-}
-
-sub ctx_statement_block {
-	my ($linenr, $remain, $off) = @_;
-	my $line = $linenr - 1;
-	my $blk = '';
-	my $soff = $off;
-	my $coff = $off - 1;
-	my $coff_set = 0;
-
-	my $loff = 0;
-
-	my $type = '';
-	my $level = 0;
-	my @stack = ();
-	my $p;
-	my $c;
-	my $len = 0;
-
-	my $remainder;
-	while (1) {
-		@stack = (['', 0]) if ($#stack == -1);
-
-		#warn "CSB: blk<$blk> remain<$remain>\n";
-		# If we are about to drop off the end, pull in more
-		# context.
-		if ($off >= $len) {
-			for (; $remain > 0; $line++) {
-				last if (!defined $lines[$line]);
-				next if ($lines[$line] =~ /^-/);
-				$remain--;
-				$loff = $len;
-				$blk .= $lines[$line] . "\n";
-				$len = length($blk);
-				$line++;
-				last;
-			}
-			# Bail if there is no further context.
-			#warn "CSB: blk<$blk> off<$off> len<$len>\n";
-			if ($off >= $len) {
-				last;
-			}
-		}
-		$p = $c;
-		$c = substr($blk, $off, 1);
-		$remainder = substr($blk, $off);
-
-		#warn "CSB: c<$c> type<$type> level<$level> remainder<$remainder> coff_set<$coff_set>\n";
-
-		# Handle nested #if/#else.
-		if ($remainder =~ /^#\s*(?:ifndef|ifdef|if)\s/) {
-			push(@stack, [ $type, $level ]);
-		} elsif ($remainder =~ /^#\s*(?:else|elif)\b/) {
-			($type, $level) = @{$stack[$#stack - 1]};
-		} elsif ($remainder =~ /^#\s*endif\b/) {
-			($type, $level) = @{pop(@stack)};
-		}
-
-		# Statement ends at the ';' or a close '}' at the
-		# outermost level.
-		if ($level == 0 && $c eq ';') {
-			last;
-		}
-
-		# An else is really a conditional as long as its not else if
-		if ($level == 0 && $coff_set == 0 &&
-				(!defined($p) || $p =~ /(?:\s|\}|\+)/) &&
-				$remainder =~ /^(else)(?:\s|{)/ &&
-				$remainder !~ /^else\s+if\b/) {
-			$coff = $off + length($1) - 1;
-			$coff_set = 1;
-			#warn "CSB: mark coff<$coff> soff<$soff> 1<$1>\n";
-			#warn "[" . substr($blk, $soff, $coff - $soff + 1) . "]\n";
-		}
-
-		if (($type eq '' || $type eq '(') && $c eq '(') {
-			$level++;
-			$type = '(';
-		}
-		if ($type eq '(' && $c eq ')') {
-			$level--;
-			$type = ($level != 0)? '(' : '';
-
-			if ($level == 0 && $coff < $soff) {
-				$coff = $off;
-				$coff_set = 1;
-				#warn "CSB: mark coff<$coff>\n";
-			}
-		}
-		if (($type eq '' || $type eq '{') && $c eq '{') {
-			$level++;
-			$type = '{';
-		}
-		if ($type eq '{' && $c eq '}') {
-			$level--;
-			$type = ($level != 0)? '{' : '';
-
-			if ($level == 0) {
-				if (substr($blk, $off + 1, 1) eq ';') {
-					$off++;
-				}
-				last;
-			}
-		}
-		$off++;
-	}
-	# We are truly at the end, so shuffle to the next line.
-	if ($off == $len) {
-		$loff = $len + 1;
-		$line++;
-		$remain--;
-	}
-
-	my $statement = substr($blk, $soff, $off - $soff + 1);
-	my $condition = substr($blk, $soff, $coff - $soff + 1);
-
-	#warn "STATEMENT<$statement>\n";
-	#warn "CONDITION<$condition>\n";
-
-	#print "coff<$coff> soff<$off> loff<$loff>\n";
-
-	return ($statement, $condition,
-			$line, $remain + 1, $off - $loff + 1, $level);
-}
-
-sub statement_lines {
-	my ($stmt) = @_;
-
-	# Strip the diff line prefixes and rip blank lines at start and end.
-	$stmt =~ s/(^|\n)./$1/g;
-	$stmt =~ s/^\s*//;
-	$stmt =~ s/\s*$//;
-
-	my @stmt_lines = ($stmt =~ /\n/g);
-
-	return $#stmt_lines + 2;
-}
-
-sub statement_rawlines {
-	my ($stmt) = @_;
-
-	my @stmt_lines = ($stmt =~ /\n/g);
-
-	return $#stmt_lines + 2;
-}
-
-sub statement_block_size {
-	my ($stmt) = @_;
-
-	$stmt =~ s/(^|\n)./$1/g;
-	$stmt =~ s/^\s*\{//;
-	$stmt =~ s/}\s*$//;
-	$stmt =~ s/^\s*//;
-	$stmt =~ s/\s*$//;
-
-	my @stmt_lines = ($stmt =~ /\n/g);
-	my @stmt_statements = ($stmt =~ /;/g);
-
-	my $stmt_lines = $#stmt_lines + 2;
-	my $stmt_statements = $#stmt_statements + 1;
-
-	if ($stmt_lines > $stmt_statements) {
-		return $stmt_lines;
-	} else {
-		return $stmt_statements;
-	}
-}
-
-sub ctx_statement_full {
-	my ($linenr, $remain, $off) = @_;
-	my ($statement, $condition, $level);
-
-	my (@chunks);
-
-	# Grab the first conditional/block pair.
-	($statement, $condition, $linenr, $remain, $off, $level) =
-				ctx_statement_block($linenr, $remain, $off);
-	#print "F: c<$condition> s<$statement> remain<$remain>\n";
-	push(@chunks, [ $condition, $statement ]);
-	if (!($remain > 0 && $condition =~ /^\s*(?:\n[+-])?\s*(?:if|else|do)\b/s)) {
-		return ($level, $linenr, @chunks);
-	}
-
-	# Pull in the following conditional/block pairs and see if they
-	# could continue the statement.
-	for (;;) {
-		($statement, $condition, $linenr, $remain, $off, $level) =
-				ctx_statement_block($linenr, $remain, $off);
-		#print "C: c<$condition> s<$statement> remain<$remain>\n";
-		last if (!($remain > 0 && $condition =~ /^(?:\s*\n[+-])*\s*(?:else|do)\b/s));
-		#print "C: push\n";
-		push(@chunks, [ $condition, $statement ]);
-	}
-
-	return ($level, $linenr, @chunks);
-}
-
-sub ctx_block_get {
-	my ($linenr, $remain, $outer, $open, $close, $off) = @_;
-	my $line;
-	my $start = $linenr - 1;
-	my $blk = '';
-	my @o;
-	my @c;
-	my @res = ();
-
-	my $level = 0;
-	my @stack = ($level);
-	for ($line = $start; $remain > 0; $line++) {
-		next if ($rawlines[$line] =~ /^-/);
-		$remain--;
-
-		$blk .= $rawlines[$line];
-
-		# Handle nested #if/#else.
-		if ($lines[$line] =~ /^.\s*#\s*(?:ifndef|ifdef|if)\s/) {
-			push(@stack, $level);
-		} elsif ($lines[$line] =~ /^.\s*#\s*(?:else|elif)\b/) {
-			$level = $stack[$#stack - 1];
-		} elsif ($lines[$line] =~ /^.\s*#\s*endif\b/) {
-			$level = pop(@stack);
-		}
-
-		foreach my $c (split(//, $lines[$line])) {
-			##print "C<$c>L<$level><$open$close>O<$off>\n";
-			if ($off > 0) {
-				$off--;
-				next;
-			}
-
-			if ($c eq $close && $level > 0) {
-				$level--;
-				last if ($level == 0);
-			} elsif ($c eq $open) {
-				$level++;
-			}
-		}
-
-		if (!$outer || $level <= 1) {
-			push(@res, $rawlines[$line]);
-		}
-
-		last if ($level == 0);
-	}
-
-	return ($level, @res);
-}
-sub ctx_block_outer {
-	my ($linenr, $remain) = @_;
-
-	my ($level, @r) = ctx_block_get($linenr, $remain, 1, '{', '}', 0);
-	return @r;
-}
-sub ctx_block {
-	my ($linenr, $remain) = @_;
-
-	my ($level, @r) = ctx_block_get($linenr, $remain, 0, '{', '}', 0);
-	return @r;
-}
-sub ctx_statement {
-	my ($linenr, $remain, $off) = @_;
-
-	my ($level, @r) = ctx_block_get($linenr, $remain, 0, '(', ')', $off);
-	return @r;
-}
-sub ctx_block_level {
-	my ($linenr, $remain) = @_;
-
-	return ctx_block_get($linenr, $remain, 0, '{', '}', 0);
-}
-sub ctx_statement_level {
-	my ($linenr, $remain, $off) = @_;
-
-	return ctx_block_get($linenr, $remain, 0, '(', ')', $off);
-}
-
-sub ctx_locate_comment {
-	my ($first_line, $end_line) = @_;
-
-	# Catch a comment on the end of the line itself.
-	my ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(?:\\\s*)?$@);
-	return $current_comment if (defined $current_comment);
-
-	# Look through the context and try and figure out if there is a
-	# comment.
-	my $in_comment = 0;
-	$current_comment = '';
-	for (my $linenr = $first_line; $linenr < $end_line; $linenr++) {
-		my $line = $rawlines[$linenr - 1];
-		#warn "           $line\n";
-		if ($linenr == $first_line and $line =~ m@^.\s*\*@) {
-			$in_comment = 1;
-		}
-		if ($line =~ m@/\*@) {
-			$in_comment = 1;
-		}
-		if (!$in_comment && $current_comment ne '') {
-			$current_comment = '';
-		}
-		$current_comment .= $line . "\n" if ($in_comment);
-		if ($line =~ m@\*/@) {
-			$in_comment = 0;
-		}
-	}
-
-	chomp($current_comment);
-	return($current_comment);
-}
-sub ctx_has_comment {
-	my ($first_line, $end_line) = @_;
-	my $cmt = ctx_locate_comment($first_line, $end_line);
-
-	##print "LINE: $rawlines[$end_line - 1 ]\n";
-	##print "CMMT: $cmt\n";
-
-	return ($cmt ne '');
-}
-
-sub raw_line {
-	my ($linenr, $cnt) = @_;
-
-	my $offset = $linenr - 1;
-	$cnt++;
-
-	my $line;
-	while ($cnt) {
-		$line = $rawlines[$offset++];
-		next if (defined($line) && $line =~ /^-/);
-		$cnt--;
-	}
-
-	return $line;
-}
-
-sub cat_vet {
-	my ($vet) = @_;
-	my ($res, $coded);
-
-	$res = '';
-	while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) {
-		$res .= $1;
-		if ($2 ne '') {
-			$coded = sprintf("^%c", unpack('C', $2) + 64);
-			$res .= $coded;
-		}
-	}
-	$res =~ s/$/\$/;
-
-	return $res;
-}
-
-my $av_preprocessor = 0;
-my $av_pending;
-my @av_paren_type;
-my $av_pend_colon;
-
-sub annotate_reset {
-	$av_preprocessor = 0;
-	$av_pending = '_';
-	@av_paren_type = ('E');
-	$av_pend_colon = 'O';
-}
-
-sub annotate_values {
-	my ($stream, $type) = @_;
-
-	my $res;
-	my $var = '_' x length($stream);
-	my $cur = $stream;
-
-	print "$stream\n" if ($dbg_values > 1);
-
-	while (length($cur)) {
-		@av_paren_type = ('E') if ($#av_paren_type < 0);
-		print " <" . join('', @av_paren_type) .
-				"> <$type> <$av_pending>" if ($dbg_values > 1);
-		if ($cur =~ /^(\s+)/o) {
-			print "WS($1)\n" if ($dbg_values > 1);
-			if ($1 =~ /\n/ && $av_preprocessor) {
-				$type = pop(@av_paren_type);
-				$av_preprocessor = 0;
-			}
-
-		} elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') {
-			print "CAST($1)\n" if ($dbg_values > 1);
-			push(@av_paren_type, $type);
-			$type = 'C';
-
-		} elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\(|\s*$)/) {
-			print "DECLARE($1)\n" if ($dbg_values > 1);
-			$type = 'T';
-
-		} elsif ($cur =~ /^($Modifier)\s*/) {
-			print "MODIFIER($1)\n" if ($dbg_values > 1);
-			$type = 'T';
-
-		} elsif ($cur =~ /^(\#\s*define\s*$Ident)(\(?)/o) {
-			print "DEFINE($1,$2)\n" if ($dbg_values > 1);
-			$av_preprocessor = 1;
-			push(@av_paren_type, $type);
-			if ($2 ne '') {
-				$av_pending = 'N';
-			}
-			$type = 'E';
-
-		} elsif ($cur =~ /^(\#\s*(?:undef\s*$Ident|include\b))/o) {
-			print "UNDEF($1)\n" if ($dbg_values > 1);
-			$av_preprocessor = 1;
-			push(@av_paren_type, $type);
-
-		} elsif ($cur =~ /^(\#\s*(?:ifdef|ifndef|if))/o) {
-			print "PRE_START($1)\n" if ($dbg_values > 1);
-			$av_preprocessor = 1;
-
-			push(@av_paren_type, $type);
-			push(@av_paren_type, $type);
-			$type = 'E';
-
-		} elsif ($cur =~ /^(\#\s*(?:else|elif))/o) {
-			print "PRE_RESTART($1)\n" if ($dbg_values > 1);
-			$av_preprocessor = 1;
-
-			push(@av_paren_type, $av_paren_type[$#av_paren_type]);
-
-			$type = 'E';
-
-		} elsif ($cur =~ /^(\#\s*(?:endif))/o) {
-			print "PRE_END($1)\n" if ($dbg_values > 1);
-
-			$av_preprocessor = 1;
-
-			# Assume all arms of the conditional end as this
-			# one does, and continue as if the #endif was not here.
-			pop(@av_paren_type);
-			push(@av_paren_type, $type);
-			$type = 'E';
-
-		} elsif ($cur =~ /^(\\\n)/o) {
-			print "PRECONT($1)\n" if ($dbg_values > 1);
-
-		} elsif ($cur =~ /^(__attribute__)\s*\(?/o) {
-			print "ATTR($1)\n" if ($dbg_values > 1);
-			$av_pending = $type;
-			$type = 'N';
-
-		} elsif ($cur =~ /^(sizeof)\s*(\()?/o) {
-			print "SIZEOF($1)\n" if ($dbg_values > 1);
-			if (defined $2) {
-				$av_pending = 'V';
-			}
-			$type = 'N';
-
-		} elsif ($cur =~ /^(if|while|for)\b/o) {
-			print "COND($1)\n" if ($dbg_values > 1);
-			$av_pending = 'E';
-			$type = 'N';
-
-		} elsif ($cur =~/^(case)/o) {
-			print "CASE($1)\n" if ($dbg_values > 1);
-			$av_pend_colon = 'C';
-			$type = 'N';
-
-		} elsif ($cur =~/^(return|else|goto|typeof|__typeof__)\b/o) {
-			print "KEYWORD($1)\n" if ($dbg_values > 1);
-			$type = 'N';
-
-		} elsif ($cur =~ /^(\()/o) {
-			print "PAREN('$1')\n" if ($dbg_values > 1);
-			push(@av_paren_type, $av_pending);
-			$av_pending = '_';
-			$type = 'N';
-
-		} elsif ($cur =~ /^(\))/o) {
-			my $new_type = pop(@av_paren_type);
-			if ($new_type ne '_') {
-				$type = $new_type;
-				print "PAREN('$1') -> $type\n"
-							if ($dbg_values > 1);
-			} else {
-				print "PAREN('$1')\n" if ($dbg_values > 1);
-			}
-
-		} elsif ($cur =~ /^($Ident)\s*\(/o) {
-			print "FUNC($1)\n" if ($dbg_values > 1);
-			$type = 'V';
-			$av_pending = 'V';
-
-		} elsif ($cur =~ /^($Ident\s*):(?:\s*\d+\s*(,|=|;))?/) {
-			if (defined $2 && $type eq 'C' || $type eq 'T') {
-				$av_pend_colon = 'B';
-			} elsif ($type eq 'E') {
-				$av_pend_colon = 'L';
-			}
-			print "IDENT_COLON($1,$type>$av_pend_colon)\n" if ($dbg_values > 1);
-			$type = 'V';
-
-		} elsif ($cur =~ /^($Ident|$Constant)/o) {
-			print "IDENT($1)\n" if ($dbg_values > 1);
-			$type = 'V';
-
-		} elsif ($cur =~ /^($Assignment)/o) {
-			print "ASSIGN($1)\n" if ($dbg_values > 1);
-			$type = 'N';
-
-		} elsif ($cur =~/^(;|{|})/) {
-			print "END($1)\n" if ($dbg_values > 1);
-			$type = 'E';
-			$av_pend_colon = 'O';
-
-		} elsif ($cur =~/^(,)/) {
-			print "COMMA($1)\n" if ($dbg_values > 1);
-			$type = 'C';
-
-		} elsif ($cur =~ /^(\?)/o) {
-			print "QUESTION($1)\n" if ($dbg_values > 1);
-			$type = 'N';
-
-		} elsif ($cur =~ /^(:)/o) {
-			print "COLON($1,$av_pend_colon)\n" if ($dbg_values > 1);
-
-			substr($var, length($res), 1, $av_pend_colon);
-			if ($av_pend_colon eq 'C' || $av_pend_colon eq 'L') {
-				$type = 'E';
-			} else {
-				$type = 'N';
-			}
-			$av_pend_colon = 'O';
-
-		} elsif ($cur =~ /^(\[)/o) {
-			print "CLOSE($1)\n" if ($dbg_values > 1);
-			$type = 'N';
-
-		} elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) {
-			my $variant;
-
-			print "OPV($1)\n" if ($dbg_values > 1);
-			if ($type eq 'V') {
-				$variant = 'B';
-			} else {
-				$variant = 'U';
-			}
-
-			substr($var, length($res), 1, $variant);
-			$type = 'N';
-
-		} elsif ($cur =~ /^($Operators)/o) {
-			print "OP($1)\n" if ($dbg_values > 1);
-			if ($1 ne '++' && $1 ne '--') {
-				$type = 'N';
-			}
-
-		} elsif ($cur =~ /(^.)/o) {
-			print "C($1)\n" if ($dbg_values > 1);
-		}
-		if (defined $1) {
-			$cur = substr($cur, length($1));
-			$res .= $type x length($1);
-		}
-	}
-
-	return ($res, $var);
-}
-
-sub possible {
-	my ($possible, $line) = @_;
-	my $notPermitted = qr{(?:
-		^(?:
-			$Modifier|
-			$Storage|
-			$Type|
-			DEFINE_\S+
-		)$|
-		^(?:
-			goto|
-			return|
-			case|
-			else|
-			asm|__asm__|
-			do|
-			\#|
-			\#\#
-		)(?:\s|$)|
-		^(?:typedef|struct|enum)\b
-	    )}x;
-	warn "CHECK<$possible> ($line)\n" if ($dbg_possible > 2);
-	if ($possible !~ $notPermitted) {
-		# Check for modifiers.
-		$possible =~ s/\s*$Storage\s*//g;
-		$possible =~ s/\s*$Sparse\s*//g;
-		if ($possible =~ /^\s*$/) {
-
-		} elsif ($possible =~ /\s/) {
-			$possible =~ s/\s*$Type\s*//g;
-			for my $modifier (split(' ', $possible)) {
-				if ($modifier !~ $notPermitted) {
-					warn "MODIFIER: $modifier ($possible) ($line)\n" if ($dbg_possible);
-					push(@modifierList, $modifier);
-				}
-			}
-
-		} else {
-			warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible);
-			push(@typeList, $possible);
-		}
-		build_types();
-	} else {
-		warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1);
-	}
-}
-
-my $prefix = '';
-
-sub report {
-	if (defined $tst_only && $_[0] !~ /\Q$tst_only\E/) {
-		return 0;
-	}
-	my $line = $prefix . $_[0];
-
-	$line = (split('\n', $line))[0] . "\n" if ($terse);
-
-	push(our @report, $line);
-
-	return 1;
-}
-sub report_dump {
-	our @report;
-}
-sub ERROR {
-	if (report("ERROR: $_[0]\n")) {
-		our $clean = 0;
-		our $cnt_error++;
-	}
-}
-sub WARN {
-	if (report("WARNING: $_[0]\n")) {
-		our $clean = 0;
-		our $cnt_warn++;
-	}
-}
-sub CHK {
-	if ($check && report("CHECK: $_[0]\n")) {
-		our $clean = 0;
-		our $cnt_chk++;
-	}
-}
-
-sub process {
-	my $filename = shift;
-
-	my $linenr=0;
-	my $prevline="";
-	my $prevrawline="";
-	my $stashline="";
-	my $stashrawline="";
-
-	my $length;
-	my $indent;
-	my $previndent=0;
-	my $stashindent=0;
-
-	our $clean = 1;
-	my $signoff = 0;
-	my $is_patch = 0;
-
-	our @report = ();
-	our $cnt_lines = 0;
-	our $cnt_error = 0;
-	our $cnt_warn = 0;
-	our $cnt_chk = 0;
-
-	# Trace the real file/line as we go.
-	my $realfile = '';
-	my $realline = 0;
-	my $realcnt = 0;
-	my $here = '';
-	my $in_comment = 0;
-	my $comment_edge = 0;
-	my $first_line = 0;
-	my $p1_prefix = '';
-
-	my $prev_values = 'E';
-
-	# suppression flags
-	my %suppress_ifbraces;
-	my %suppress_whiletrailers;
-	my %suppress_export;
-
-	# Pre-scan the patch sanitizing the lines.
-
-	sanitise_line_reset();
-	my $line;
-	foreach my $rawline (@rawlines) {
-		$linenr++;
-		$line = $rawline;
-
-		if ($rawline=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) {
-			$realline=$1-1;
-			if (defined $2) {
-				$realcnt=$3+1;
-			} else {
-				$realcnt=1+1;
-			}
-			$in_comment = 0;
-
-			# Guestimate if this is a continuing comment.  Run
-			# the context looking for a comment "edge".  If this
-			# edge is a close comment then we must be in a comment
-			# at context start.
-			my $edge;
-			my $cnt = $realcnt;
-			for (my $ln = $linenr + 1; $cnt > 0; $ln++) {
-				next if (defined $rawlines[$ln - 1] &&
-					 $rawlines[$ln - 1] =~ /^-/);
-				$cnt--;
-				#print "RAW<$rawlines[$ln - 1]>\n";
-				last if (!defined $rawlines[$ln - 1]);
-				if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ &&
-				    $rawlines[$ln - 1] !~ m@"[^"]*(?:/\*|\*/)[^"]*"@) {
-					($edge) = $1;
-					last;
-				}
-			}
-			if (defined $edge && $edge eq '*/') {
-				$in_comment = 1;
-			}
-
-			# Guestimate if this is a continuing comment.  If this
-			# is the start of a diff block and this line starts
-			# ' *' then it is very likely a comment.
-			if (!defined $edge &&
-			    $rawlines[$linenr] =~ m@^.\s*(?:\*\*+| \*)(?:\s|$)@)
-			{
-				$in_comment = 1;
-			}
-
-			##print "COMMENT:$in_comment edge<$edge> $rawline\n";
-			sanitise_line_reset($in_comment);
-
-		} elsif ($realcnt && $rawline =~ /^(?:\+| |$)/) {
-			# Standardise the strings and chars within the input to
-			# simplify matching -- only bother with positive lines.
-			$line = sanitise_line($rawline);
-		}
-		push(@lines, $line);
-
-		if ($realcnt > 1) {
-			$realcnt-- if ($line =~ /^(?:\+| |$)/);
-		} else {
-			$realcnt = 0;
-		}
-
-		#print "==>$rawline\n";
-		#print "-->$line\n";
-	}
-
-	$prefix = '';
-
-	$realcnt = 0;
-	$linenr = 0;
-	foreach my $line (@lines) {
-		$linenr++;
-
-		my $rawline = $rawlines[$linenr - 1];
-
-#extract the line range in the file after the patch is applied
-		if ($line=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) {
-			$is_patch = 1;
-			$first_line = $linenr + 1;
-			$realline=$1-1;
-			if (defined $2) {
-				$realcnt=$3+1;
-			} else {
-				$realcnt=1+1;
-			}
-			annotate_reset();
-			$prev_values = 'E';
-
-			%suppress_ifbraces = ();
-			%suppress_whiletrailers = ();
-			%suppress_export = ();
-			next;
-
-# track the line number as we move through the hunk, note that
-# new versions of GNU diff omit the leading space on completely
-# blank context lines so we need to count that too.
-		} elsif ($line =~ /^( |\+|$)/) {
-			$realline++;
-			$realcnt-- if ($realcnt != 0);
-
-			# Measure the line length and indent.
-			($length, $indent) = line_stats($rawline);
-
-			# Track the previous line.
-			($prevline, $stashline) = ($stashline, $line);
-			($previndent, $stashindent) = ($stashindent, $indent);
-			($prevrawline, $stashrawline) = ($stashrawline, $rawline);
-
-			#warn "line<$line>\n";
-
-		} elsif ($realcnt == 1) {
-			$realcnt--;
-		}
-
-		my $hunk_line = ($realcnt != 0);
-
-#make up the handle for any error we report on this line
-		$prefix = "$filename:$realline: " if ($emacs && $file);
-		$prefix = "$filename:$linenr: " if ($emacs && !$file);
-
-		$here = "#$linenr: " if (!$file);
-		$here = "#$realline: " if ($file);
-
-		# extract the filename as it passes
-		if ($line =~ /^diff --git.*?(\S+)$/) {
-			$realfile = $1;
-			$realfile =~ s@^([^/]*)/@@;
-
-		} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
-			$realfile = $1;
-			$realfile =~ s@^([^/]*)/@@;
-
-			$p1_prefix = $1;
-			if (!$file && $tree && $p1_prefix ne '' &&
-			    -e "$root/$p1_prefix") {
-				WARN("patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
-			}
-
-			next;
-		}
-
-		$here .= "FILE: $realfile:$realline:" if ($realcnt != 0);
-
-		my $hereline = "$here\n$rawline\n";
-		my $herecurr = "$here\n$rawline\n";
-		my $hereprev = "$here\n$prevrawline\n$rawline\n";
-
-		$cnt_lines++ if ($realcnt != 0);
-
-# Check for incorrect file permissions
-		if ($line =~ /^new (file )?mode.*[7531]\d{0,2}$/) {
-			my $permhere = $here . "FILE: $realfile\n";
-			if ($realfile =~ /(\bMakefile(?:\.objs)?|\.c|\.cc|\.cpp|\.h|\.mak|\.[sS])$/) {
-				ERROR("do not set execute permissions for source files\n" . $permhere);
-			}
-		}
-
-#check the patch for a signoff:
-		if ($line =~ /^\s*signed-off-by:/i) {
-			# This is a signoff, if ugly, so do not double report.
-			$signoff++;
-			if (!($line =~ /^\s*Signed-off-by:/)) {
-				WARN("Signed-off-by: is the preferred form\n" .
-					$herecurr);
-			}
-			if ($line =~ /^\s*signed-off-by:\S/i) {
-				WARN("space required after Signed-off-by:\n" .
-					$herecurr);
-			}
-		}
-
-# Check for wrappage within a valid hunk of the file
-		if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
-			ERROR("patch seems to be corrupt (line wrapped?)\n" .
-				$herecurr) if (!$emitted_corrupt++);
-		}
-
-# UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php
-		if (($realfile =~ /^$/ || $line =~ /^\+/) &&
-		    $rawline !~ m/^$UTF8*$/) {
-			my ($utf8_prefix) = ($rawline =~ /^($UTF8*)/);
-
-			my $blank = copy_spacing($rawline);
-			my $ptr = substr($blank, 0, length($utf8_prefix)) . "^";
-			my $hereptr = "$hereline$ptr\n";
-
-			ERROR("Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
-		}
-
-# ignore non-hunk lines and lines being removed
-		next if (!$hunk_line || $line =~ /^-/);
-
-#trailing whitespace
-		if ($line =~ /^\+.*\015/) {
-			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
-			ERROR("DOS line endings\n" . $herevet);
-
-		} elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
-			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
-			ERROR("trailing whitespace\n" . $herevet);
-			$rpt_cleaners = 1;
-		}
-
-# check we are in a valid source file if not then ignore this hunk
-		next if ($realfile !~ /\.(h|c|cpp|s|S|pl|sh)$/);
-
-#80 column limit
-		if ($line =~ /^\+/ &&
-		    !($line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
-		    $length > 80)
-		{
-			WARN("line over 80 characters\n" . $herecurr);
-		}
-
-# check for spaces before a quoted newline
-		if ($rawline =~ /^.*\".*\s\\n/) {
-			WARN("unnecessary whitespace before a quoted newline\n" . $herecurr);
-		}
-
-# check for adding lines without a newline.
-		if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) {
-			WARN("adding a line without newline at end of file\n" . $herecurr);
-		}
-
-# check we are in a valid source file C or perl if not then ignore this hunk
-		next if ($realfile !~ /\.(h|c|cpp|pl)$/);
-
-# in QEMU, no tabs are allowed
-		if ($rawline =~ /^\+.*\t/) {
-			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
-			ERROR("code indent should never use tabs\n" . $herevet);
-			$rpt_cleaners = 1;
-		}
-
-# check we are in a valid C source file if not then ignore this hunk
-		next if ($realfile !~ /\.(h|c|cpp)$/);
-
-# check for RCS/CVS revision markers
-		if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) {
-			WARN("CVS style keyword markers, these will _not_ be updated\n". $herecurr);
-		}
-
-# Check for potential 'bare' types
-		my ($stat, $cond, $line_nr_next, $remain_next, $off_next,
-		    $realline_next);
-		if ($realcnt && $line =~ /.\s*\S/) {
-			($stat, $cond, $line_nr_next, $remain_next, $off_next) =
-				ctx_statement_block($linenr, $realcnt, 0);
-			$stat =~ s/\n./\n /g;
-			$cond =~ s/\n./\n /g;
-
-			# Find the real next line.
-			$realline_next = $line_nr_next;
-			if (defined $realline_next &&
-			    (!defined $lines[$realline_next - 1] ||
-			     substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) {
-				$realline_next++;
-			}
-
-			my $s = $stat;
-			$s =~ s/{.*$//s;
-
-			# Ignore goto labels.
-			if ($s =~ /$Ident:\*$/s) {
-
-			# Ignore functions being called
-			} elsif ($s =~ /^.\s*$Ident\s*\(/s) {
-
-			} elsif ($s =~ /^.\s*else\b/s) {
-
-			# declarations always start with types
-			} elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+?)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))(?:\s*$Modifier)?\s*(?:;|=|,|\()/s) {
-				my $type = $1;
-				$type =~ s/\s+/ /g;
-				possible($type, "A:" . $s);
-
-			# definitions in global scope can only start with types
-			} elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?!:)/s) {
-				possible($1, "B:" . $s);
-			}
-
-			# any (foo ... *) is a pointer cast, and foo is a type
-			while ($s =~ /\(($Ident)(?:\s+$Sparse)*[\s\*]+\s*\)/sg) {
-				possible($1, "C:" . $s);
-			}
-
-			# Check for any sort of function declaration.
-			# int foo(something bar, other baz);
-			# void (*store_gdt)(x86_descr_ptr *);
-			if ($prev_values eq 'E' && $s =~ /^(.(?:typedef\s*)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:\b$Ident|\(\*\s*$Ident\))\s*)\(/s) {
-				my ($name_len) = length($1);
-
-				my $ctx = $s;
-				substr($ctx, 0, $name_len + 1, '');
-				$ctx =~ s/\)[^\)]*$//;
-
-				for my $arg (split(/\s*,\s*/, $ctx)) {
-					if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) {
-
-						possible($1, "D:" . $s);
-					}
-				}
-			}
-
-		}
-
-#
-# Checks which may be anchored in the context.
-#
-
-# Check for switch () and associated case and default
-# statements should be at the same indent.
-		if ($line=~/\bswitch\s*\(.*\)/) {
-			my $err = '';
-			my $sep = '';
-			my @ctx = ctx_block_outer($linenr, $realcnt);
-			shift(@ctx);
-			for my $ctx (@ctx) {
-				my ($clen, $cindent) = line_stats($ctx);
-				if ($ctx =~ /^\+\s*(case\s+|default:)/ &&
-							$indent != $cindent) {
-					$err .= "$sep$ctx\n";
-					$sep = '';
-				} else {
-					$sep = "[...]\n";
-				}
-			}
-			if ($err ne '') {
-				ERROR("switch and case should be at the same indent\n$hereline$err");
-			}
-		}
-
-# if/while/etc brace do not go on next line, unless defining a do while loop,
-# or if that brace on the next line is for something else
-		if ($line =~ /(.*)\b((?:if|while|for|switch)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
-			my $pre_ctx = "$1$2";
-
-			my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0);
-			my $ctx_cnt = $realcnt - $#ctx - 1;
-			my $ctx = join("\n", @ctx);
-
-			my $ctx_ln = $linenr;
-			my $ctx_skip = $realcnt;
-
-			while ($ctx_skip > $ctx_cnt || ($ctx_skip == $ctx_cnt &&
-					defined $lines[$ctx_ln - 1] &&
-					$lines[$ctx_ln - 1] =~ /^-/)) {
-				##print "SKIP<$ctx_skip> CNT<$ctx_cnt>\n";
-				$ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/);
-				$ctx_ln++;
-			}
-
-			#print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n";
-			#print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
-
-			# The length of the "previous line" is checked against 80 because it
-			# includes the + at the beginning of the line (if the actual line has
-			# 79 or 80 characters, it is no longer possible to add a space and an
-			# opening brace there)
-			if ($#ctx == 0 && $ctx !~ /{\s*/ &&
-			    defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*\{/ &&
-			    defined($lines[$ctx_ln - 2]) && length($lines[$ctx_ln - 2]) < 80) {
-				ERROR("that open brace { should be on the previous line\n" .
-					"$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
-			}
-			if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ &&
-			    $ctx =~ /\)\s*\;\s*$/ &&
-			    defined $lines[$ctx_ln - 1])
-			{
-				my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]);
-				if ($nindent > $indent) {
-					WARN("trailing semicolon indicates no statements, indent implies otherwise\n" .
-						"$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
-				}
-			}
-		}
-
-# Check relative indent for conditionals and blocks.
-		if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
-			my ($s, $c) = ($stat, $cond);
-
-			substr($s, 0, length($c), '');
-
-			# Make sure we remove the line prefixes as we have
-			# none on the first line, and are going to readd them
-			# where necessary.
-			$s =~ s/\n./\n/gs;
-
-			# Find out how long the conditional actually is.
-			my @newlines = ($c =~ /\n/gs);
-			my $cond_lines = 1 + $#newlines;
-
-			# We want to check the first line inside the block
-			# starting at the end of the conditional, so remove:
-			#  1) any blank line termination
-			#  2) any opening brace { on end of the line
-			#  3) any do (...) {
-			my $continuation = 0;
-			my $check = 0;
-			$s =~ s/^.*\bdo\b//;
-			$s =~ s/^\s*\{//;
-			if ($s =~ s/^\s*\\//) {
-				$continuation = 1;
-			}
-			if ($s =~ s/^\s*?\n//) {
-				$check = 1;
-				$cond_lines++;
-			}
-
-			# Also ignore a loop construct at the end of a
-			# preprocessor statement.
-			if (($prevline =~ /^.\s*#\s*define\s/ ||
-			    $prevline =~ /\\\s*$/) && $continuation == 0) {
-				$check = 0;
-			}
-
-			my $cond_ptr = -1;
-			$continuation = 0;
-			while ($cond_ptr != $cond_lines) {
-				$cond_ptr = $cond_lines;
-
-				# If we see an #else/#elif then the code
-				# is not linear.
-				if ($s =~ /^\s*\#\s*(?:else|elif)/) {
-					$check = 0;
-				}
-
-				# Ignore:
-				#  1) blank lines, they should be at 0,
-				#  2) preprocessor lines, and
-				#  3) labels.
-				if ($continuation ||
-				    $s =~ /^\s*?\n/ ||
-				    $s =~ /^\s*#\s*?/ ||
-				    $s =~ /^\s*$Ident\s*:/) {
-					$continuation = ($s =~ /^.*?\\\n/) ? 1 : 0;
-					if ($s =~ s/^.*?\n//) {
-						$cond_lines++;
-					}
-				}
-			}
-
-			my (undef, $sindent) = line_stats("+" . $s);
-			my $stat_real = raw_line($linenr, $cond_lines);
-
-			# Check if either of these lines are modified, else
-			# this is not this patch's fault.
-			if (!defined($stat_real) ||
-			    $stat !~ /^\+/ && $stat_real !~ /^\+/) {
-				$check = 0;
-			}
-			if (defined($stat_real) && $cond_lines > 1) {
-				$stat_real = "[...]\n$stat_real";
-			}
-
-			#print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n";
-
-			if ($check && (($sindent % 4) != 0 ||
-			    ($sindent <= $indent && $s ne ''))) {
-				WARN("suspect code indent for conditional statements ($indent, $sindent)\n" . $herecurr . "$stat_real\n");
-			}
-		}
-
-		# Track the 'values' across context and added lines.
-		my $opline = $line; $opline =~ s/^./ /;
-		my ($curr_values, $curr_vars) =
-				annotate_values($opline . "\n", $prev_values);
-		$curr_values = $prev_values . $curr_values;
-		if ($dbg_values) {
-			my $outline = $opline; $outline =~ s/\t/ /g;
-			print "$linenr > .$outline\n";
-			print "$linenr > $curr_values\n";
-			print "$linenr >  $curr_vars\n";
-		}
-		$prev_values = substr($curr_values, -1);
-
-#ignore lines not being added
-		if ($line=~/^[^\+]/) {next;}
-
-# TEST: allow direct testing of the type matcher.
-		if ($dbg_type) {
-			if ($line =~ /^.\s*$Declare\s*$/) {
-				ERROR("TEST: is type\n" . $herecurr);
-			} elsif ($dbg_type > 1 && $line =~ /^.+($Declare)/) {
-				ERROR("TEST: is not type ($1 is)\n". $herecurr);
-			}
-			next;
-		}
-# TEST: allow direct testing of the attribute matcher.
-		if ($dbg_attr) {
-			if ($line =~ /^.\s*$Modifier\s*$/) {
-				ERROR("TEST: is attr\n" . $herecurr);
-			} elsif ($dbg_attr > 1 && $line =~ /^.+($Modifier)/) {
-				ERROR("TEST: is not attr ($1 is)\n". $herecurr);
-			}
-			next;
-		}
-
-# check for initialisation to aggregates open brace on the next line
-		if ($line =~ /^.\s*\{/ &&
-		    $prevline =~ /(?:^|[^=])=\s*$/) {
-			ERROR("that open brace { should be on the previous line\n" . $hereprev);
-		}
-
-#
-# Checks which are anchored on the added line.
-#
-
-# check for malformed paths in #include statements (uses RAW line)
-		if ($rawline =~ m{^.\s*\#\s*include\s+[<"](.*)[">]}) {
-			my $path = $1;
-			if ($path =~ m{//}) {
-				ERROR("malformed #include filename\n" .
-					$herecurr);
-			}
-		}
-
-# no C99 // comments
-		if ($line =~ m{//}) {
-			ERROR("do not use C99 // comments\n" . $herecurr);
-		}
-		# Remove C99 comments.
-		$line =~ s@//.*@@;
-		$opline =~ s@//.*@@;
-
-# check for global initialisers.
-		if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) {
-			ERROR("do not initialise globals to 0 or NULL\n" .
-				$herecurr);
-		}
-# check for static initialisers.
-		if ($line =~ /\bstatic\s.*=\s*(0|NULL|false)\s*;/) {
-			ERROR("do not initialise statics to 0 or NULL\n" .
-				$herecurr);
-		}
-
-# * goes on variable not on type
-		# (char*[ const])
-		if ($line =~ m{\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\)}) {
-			my ($from, $to) = ($1, $1);
-
-			# Should start with a space.
-			$to =~ s/^(\S)/ $1/;
-			# Should not end with a space.
-			$to =~ s/\s+$//;
-			# '*'s should not have spaces between.
-			while ($to =~ s/\*\s+\*/\*\*/) {
-			}
-
-			#print "from<$from> to<$to>\n";
-			if ($from ne $to) {
-				ERROR("\"(foo$from)\" should be \"(foo$to)\"\n" .  $herecurr);
-			}
-		} elsif ($line =~ m{\b$NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)($Ident)}) {
-			my ($from, $to, $ident) = ($1, $1, $2);
-
-			# Should start with a space.
-			$to =~ s/^(\S)/ $1/;
-			# Should not end with a space.
-			$to =~ s/\s+$//;
-			# '*'s should not have spaces between.
-			while ($to =~ s/\*\s+\*/\*\*/) {
-			}
-			# Modifiers should have spaces.
-			$to =~ s/(\b$Modifier$)/$1 /;
-
-			#print "from<$from> to<$to> ident<$ident>\n";
-			if ($from ne $to && $ident !~ /^$Modifier$/) {
-				ERROR("\"foo${from}bar\" should be \"foo${to}bar\"\n" .  $herecurr);
-			}
-		}
-
-# function brace can't be on same line, except for #defines of do while,
-# or if closed on same line
-		if (($line=~/$Type\s*$Ident\(.*\).*\s\{/) and
-		    !($line=~/\#\s*define.*do\s\{/) and !($line=~/}/)) {
-			ERROR("open brace '{' following function declarations go on the next line\n" . $herecurr);
-		}
-
-# open braces for enum, union and struct go on the same line.
-		if ($line =~ /^.\s*\{/ &&
-		    $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) {
-			ERROR("open brace '{' following $1 go on the same line\n" . $hereprev);
-		}
-
-# missing space after union, struct or enum definition
-		if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?(?:\s+$Ident)?[=\{]/) {
-		    ERROR("missing space after $1 definition\n" . $herecurr);
-		}
-
-# check for spacing round square brackets; allowed:
-#  1. with a type on the left -- int [] a;
-#  2. at the beginning of a line for slice initialisers -- [0...10] = 5,
-#  3. inside a curly brace -- = { [0...10] = 5 }
-#  4. after a comma -- [1] = 5, [2] = 6
-#  5. in a macro definition -- #define abc(x) [x] = y
-		while ($line =~ /(.*?\s)\[/g) {
-			my ($where, $prefix) = ($-[1], $1);
-			if ($prefix !~ /$Type\s+$/ &&
-			    ($where != 0 || $prefix !~ /^.\s+$/) &&
-			    $prefix !~ /{\s+$/ &&
-			    $prefix !~ /\#\s*define[^(]*\([^)]*\)\s+$/ &&
-			    $prefix !~ /,\s+$/) {
-				ERROR("space prohibited before open square bracket '['\n" . $herecurr);
-			}
-		}
-
-# check for spaces between functions and their parentheses.
-		while ($line =~ /($Ident)\s+\(/g) {
-			my $name = $1;
-			my $ctx_before = substr($line, 0, $-[1]);
-			my $ctx = "$ctx_before$name";
-
-			# Ignore those directives where spaces _are_ permitted.
-			if ($name =~ /^(?:
-				if|for|while|switch|return|case|
-				volatile|__volatile__|
-				__attribute__|format|__extension__|
-				asm|__asm__)$/x)
-			{
-
-			# Ignore 'catch (...)' in C++
-			} elsif ($name =~ /^catch$/ && $realfile =~ /(\.cpp|\.h)$/) {
-
-			# cpp #define statements have non-optional spaces, ie
-			# if there is a space between the name and the open
-			# parenthesis it is simply not a parameter group.
-			} elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) {
-
-			# cpp #elif statement condition may start with a (
-			} elsif ($ctx =~ /^.\s*\#\s*elif\s*$/) {
-
-			# If this whole things ends with a type its most
-			# likely a typedef for a function.
-			} elsif ($ctx =~ /$Type$/) {
-
-			} else {
-				WARN("space prohibited between function name and open parenthesis '('\n" . $herecurr);
-			}
-		}
-# Check operator spacing.
-		if (!($line=~/\#\s*include/)) {
-			my $ops = qr{
-				<<=|>>=|<=|>=|==|!=|
-				\+=|-=|\*=|\/=|%=|\^=|\|=|&=|
-				=>|->|<<|>>|<|>|=|!|~|
-				&&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%|
-				\?|::|:
-			}x;
-			my @elements = split(/($ops|;)/, $opline);
-			my $off = 0;
-
-			my $blank = copy_spacing($opline);
-
-			for (my $n = 0; $n < $#elements; $n += 2) {
-				$off += length($elements[$n]);
-
-				# Pick up the preceding and succeeding characters.
-				my $ca = substr($opline, 0, $off);
-				my $cc = '';
-				if (length($opline) >= ($off + length($elements[$n + 1]))) {
-					$cc = substr($opline, $off + length($elements[$n + 1]));
-				}
-				my $cb = "$ca$;$cc";
-
-				my $a = '';
-				$a = 'V' if ($elements[$n] ne '');
-				$a = 'W' if ($elements[$n] =~ /\s$/);
-				$a = 'C' if ($elements[$n] =~ /$;$/);
-				$a = 'B' if ($elements[$n] =~ /(\[|\()$/);
-				$a = 'O' if ($elements[$n] eq '');
-				$a = 'E' if ($ca =~ /^\s*$/);
-
-				my $op = $elements[$n + 1];
-
-				my $c = '';
-				if (defined $elements[$n + 2]) {
-					$c = 'V' if ($elements[$n + 2] ne '');
-					$c = 'W' if ($elements[$n + 2] =~ /^\s/);
-					$c = 'C' if ($elements[$n + 2] =~ /^$;/);
-					$c = 'B' if ($elements[$n + 2] =~ /^(\)|\]|;)/);
-					$c = 'O' if ($elements[$n + 2] eq '');
-					$c = 'E' if ($elements[$n + 2] =~ /^\s*\\$/);
-				} else {
-					$c = 'E';
-				}
-
-				my $ctx = "${a}x${c}";
-
-				my $at = "(ctx:$ctx)";
-
-				my $ptr = substr($blank, 0, $off) . "^";
-				my $hereptr = "$hereline$ptr\n";
-
-				# Pull out the value of this operator.
-				my $op_type = substr($curr_values, $off + 1, 1);
-
-				# Get the full operator variant.
-				my $opv = $op . substr($curr_vars, $off, 1);
-
-				# Ignore operators passed as parameters.
-				if ($op_type ne 'V' &&
-				    $ca =~ /\s$/ && $cc =~ /^\s*,/) {
-
-#				# Ignore comments
-#				} elsif ($op =~ /^$;+$/) {
-
-				# ; should have either the end of line or a space or \ after it
-				} elsif ($op eq ';') {
-					if ($ctx !~ /.x[WEBC]/ &&
-					    $cc !~ /^\\/ && $cc !~ /^;/) {
-						ERROR("space required after that '$op' $at\n" . $hereptr);
-					}
-
-				# // is a comment
-				} elsif ($op eq '//') {
-
-				# Ignore : used in class declaration in C++
-				} elsif ($opv eq ':B' && $ctx =~ /Wx[WE]/ &&
-						 $line =~ /class/ && $realfile =~ /(\.cpp|\.h)$/) {
-
-				# No spaces for:
-				#   ->
-				#   :   when part of a bitfield
-				} elsif ($op eq '->' || $opv eq ':B') {
-					if ($ctx =~ /Wx.|.xW/) {
-						ERROR("spaces prohibited around that '$op' $at\n" . $hereptr);
-					}
-
-				# , must have a space on the right.
-                                # not required when having a single },{ on one line
-				} elsif ($op eq ',') {
-					if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/ &&
-                                            ($elements[$n] . $elements[$n + 2]) !~ " *}\\{") {
-						ERROR("space required after that '$op' $at\n" . $hereptr);
-					}
-
-				# '*' as part of a type definition -- reported already.
-				} elsif ($opv eq '*_') {
-					#warn "'*' is part of type\n";
-
-				# unary operators should have a space before and
-				# none after.  May be left adjacent to another
-				# unary operator, or a cast
-				} elsif ($op eq '!' || $op eq '~' ||
-					 $opv eq '*U' || $opv eq '-U' ||
-					 $opv eq '&U' || $opv eq '&&U') {
-					if ($op eq '~' && $ca =~ /::$/ && $realfile =~ /(\.cpp|\.h)$/) {
-						# '~' used as a name of Destructor
-
-					} elsif ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) {
-						ERROR("space required before that '$op' $at\n" . $hereptr);
-					}
-					if ($op eq '*' && $cc =~/\s*$Modifier\b/) {
-						# A unary '*' may be const
-
-					} elsif ($ctx =~ /.xW/) {
-						ERROR("space prohibited after that '$op' $at\n" . $hereptr);
-					}
-
-				# unary ++ and unary -- are allowed no space on one side.
-				} elsif ($op eq '++' or $op eq '--') {
-					if ($ctx !~ /[WEOBC]x[^W]/ && $ctx !~ /[^W]x[WOBEC]/) {
-						ERROR("space required one side of that '$op' $at\n" . $hereptr);
-					}
-					if ($ctx =~ /Wx[BE]/ ||
-					    ($ctx =~ /Wx./ && $cc =~ /^;/)) {
-						ERROR("space prohibited before that '$op' $at\n" . $hereptr);
-					}
-					if ($ctx =~ /ExW/) {
-						ERROR("space prohibited after that '$op' $at\n" . $hereptr);
-					}
-
-				# A colon needs no spaces before when it is
-				# terminating a case value or a label.
-				} elsif ($opv eq ':C' || $opv eq ':L') {
-					if ($ctx =~ /Wx./) {
-						ERROR("space prohibited before that '$op' $at\n" . $hereptr);
-					}
-
-				# All the others need spaces both sides.
-				} elsif ($ctx !~ /[EWC]x[CWE]/) {
-					my $ok = 0;
-
-					if ($realfile =~ /\.cpp|\.h$/) {
-						# Ignore template arguments <...> in C++
-						if (($op eq '<' || $op eq '>') && $line =~ /<.*>/) {
-							$ok = 1;
-						}
-
-						# Ignore :: in C++
-						if ($op eq '::') {
-							$ok = 1;
-						}
-					}
-
-					# Ignore email addresses <foo@bar>
-					if (($op eq '<' &&
-					     $cc =~ /^\S+\@\S+>/) ||
-					    ($op eq '>' &&
-					     $ca =~ /<\S+\@\S+$/))
-					{
-						$ok = 1;
-					}
-
-					# Ignore ?:
-					if (($opv eq ':O' && $ca =~ /\?$/) ||
-					    ($op eq '?' && $cc =~ /^:/)) {
-						$ok = 1;
-					}
-
-					if ($ok == 0) {
-						ERROR("spaces required around that '$op' $at\n" . $hereptr);
-					}
-				}
-				$off += length($elements[$n + 1]);
-			}
-		}
-
-#need space before brace following if, while, etc
-		if (($line =~ /\(.*\)\{/ && $line !~ /\($Type\)\{/) ||
-		    $line =~ /do\{/) {
-			ERROR("space required before the open brace '{'\n" . $herecurr);
-		}
-
-# closing brace should have a space following it when it has anything
-# on the line
-		if ($line =~ /}(?!(?:,|;|\)))\S/) {
-			ERROR("space required after that close brace '}'\n" . $herecurr);
-		}
-
-# check spacing on square brackets
-		if ($line =~ /\[\s/ && $line !~ /\[\s*$/) {
-			ERROR("space prohibited after that open square bracket '['\n" . $herecurr);
-		}
-		if ($line =~ /\s\]/) {
-			ERROR("space prohibited before that close square bracket ']'\n" . $herecurr);
-		}
-
-# check spacing on parentheses
-		if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ &&
-		    $line !~ /for\s*\(\s+;/) {
-			ERROR("space prohibited after that open parenthesis '('\n" . $herecurr);
-		}
-		if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ &&
-		    $line !~ /for\s*\(.*;\s+\)/ &&
-		    $line !~ /:\s+\)/) {
-			ERROR("space prohibited before that close parenthesis ')'\n" . $herecurr);
-		}
-
-# Return is not a function.
-		if (defined($stat) && $stat =~ /^.\s*return(\s*)(\(.*);/s) {
-			my $spacing = $1;
-			my $value = $2;
-
-			# Flatten any parentheses
-			$value =~ s/\(/ \(/g;
-			$value =~ s/\)/\) /g;
-			while ($value =~ s/\[[^\{\}]*\]/1/ ||
-			       $value !~ /(?:$Ident|-?$Constant)\s*
-					     $Compare\s*
-					     (?:$Ident|-?$Constant)/x &&
-			       $value =~ s/\([^\(\)]*\)/1/) {
-			}
-#print "value<$value>\n";
-			if ($value =~ /^\s*(?:$Ident|-?$Constant)\s*$/) {
-				ERROR("return is not a function, parentheses are not required\n" . $herecurr);
-
-			} elsif ($spacing !~ /\s+/) {
-				ERROR("space required before the open parenthesis '('\n" . $herecurr);
-			}
-		}
-# Return of what appears to be an errno should normally be -'ve
-		if ($line =~ /^.\s*return\s*(E[A-Z]*)\s*;/) {
-			my $name = $1;
-			if ($name ne 'EOF' && $name ne 'ERROR') {
-				WARN("return of an errno should typically be -ve (return -$1)\n" . $herecurr);
-			}
-		}
-
-# Need a space before open parenthesis after if, while etc
-		if ($line=~/\b(if|while|for|switch)\(/) {
-			ERROR("space required before the open parenthesis '('\n" . $herecurr);
-		}
-
-# Check for illegal assignment in if conditional -- and check for trailing
-# statements after the conditional.
-		if ($line =~ /do\s*(?!{)/) {
-			my ($stat_next) = ctx_statement_block($line_nr_next,
-						$remain_next, $off_next);
-			$stat_next =~ s/\n./\n /g;
-			##print "stat<$stat> stat_next<$stat_next>\n";
-
-			if ($stat_next =~ /^\s*while\b/) {
-				# If the statement carries leading newlines,
-				# then count those as offsets.
-				my ($whitespace) =
-					($stat_next =~ /^((?:\s*\n[+-])*\s*)/s);
-				my $offset =
-					statement_rawlines($whitespace) - 1;
-
-				$suppress_whiletrailers{$line_nr_next +
-								$offset} = 1;
-			}
-		}
-		if (!defined $suppress_whiletrailers{$linenr} &&
-		    $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
-			my ($s, $c) = ($stat, $cond);
-
-			if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) {
-				ERROR("do not use assignment in if condition\n" . $herecurr);
-			}
-
-			# Find out what is on the end of the line after the
-			# conditional.
-			substr($s, 0, length($c), '');
-			$s =~ s/\n.*//g;
-			$s =~ s/$;//g; 	# Remove any comments
-			if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ &&
-			    $c !~ /}\s*while\s*/)
-			{
-				# Find out how long the conditional actually is.
-				my @newlines = ($c =~ /\n/gs);
-				my $cond_lines = 1 + $#newlines;
-				my $stat_real = '';
-
-				$stat_real = raw_line($linenr, $cond_lines)
-							. "\n" if ($cond_lines);
-				if (defined($stat_real) && $cond_lines > 1) {
-					$stat_real = "[...]\n$stat_real";
-				}
-
-				ERROR("trailing statements should be on next line\n" . $herecurr . $stat_real);
-			}
-		}
-
-# Check for bitwise tests written as boolean
-		if ($line =~ /
-			(?:
-				(?:\[|\(|\&\&|\|\|)
-				\s*0[xX][0-9]+\s*
-				(?:\&\&|\|\|)
-			|
-				(?:\&\&|\|\|)
-				\s*0[xX][0-9]+\s*
-				(?:\&\&|\|\||\)|\])
-			)/x)
-		{
-			WARN("boolean test with hexadecimal, perhaps just 1 \& or \|?\n" . $herecurr);
-		}
-
-# if and else should not have general statements after it
-		if ($line =~ /^.\s*(?:}\s*)?else\b(.*)/) {
-			my $s = $1;
-			$s =~ s/$;//g; 	# Remove any comments
-			if ($s !~ /^\s*(?:\sif|(?:{|)\s*\\?\s*$)/) {
-				ERROR("trailing statements should be on next line\n" . $herecurr);
-			}
-		}
-# if should not continue a brace
-		if ($line =~ /}\s*if\b/) {
-			ERROR("trailing statements should be on next line\n" .
-				$herecurr);
-		}
-# case and default should not have general statements after them
-		if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g &&
-		    $line !~ /\G(?:
-			(?:\s*$;*)(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$|
-			\s*return\s+
-		    )/xg)
-		{
-			ERROR("trailing statements should be on next line\n" . $herecurr);
-		}
-
-		# Check for }<nl>else {, these must be at the same
-		# indent level to be relevant to each other.
-		if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ and
-						$previndent == $indent) {
-			ERROR("else should follow close brace '}'\n" . $hereprev);
-		}
-
-		if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ and
-						$previndent == $indent) {
-			my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0);
-
-			# Find out what is on the end of the line after the
-			# conditional.
-			substr($s, 0, length($c), '');
-			$s =~ s/\n.*//g;
-
-			if ($s =~ /^\s*;/) {
-				ERROR("while should follow close brace '}'\n" . $hereprev);
-			}
-		}
-
-#studly caps, commented out until figure out how to distinguish between use of existing and adding new
-#		if (($line=~/[\w_][a-z\d]+[A-Z]/) and !($line=~/print/)) {
-#		    print "No studly caps, use _\n";
-#		    print "$herecurr";
-#		    $clean = 0;
-#		}
-
-#no spaces allowed after \ in define
-		if ($line=~/\#\s*define.*\\\s$/) {
-			WARN("Whitepspace after \\ makes next lines useless\n" . $herecurr);
-		}
-
-# multi-statement macros should be enclosed in a do while loop, grab the
-# first statement and ensure its the whole macro if its not enclosed
-# in a known good container
-		if ($realfile !~ m@/vmlinux.lds.h$@ &&
-		    $line =~ /^.\s*\#\s*define\s*$Ident(\()?/) {
-			my $ln = $linenr;
-			my $cnt = $realcnt;
-			my ($off, $dstat, $dcond, $rest);
-			my $ctx = '';
-
-			my $args = defined($1);
-
-			# Find the end of the macro and limit our statement
-			# search to that.
-			while ($cnt > 0 && defined $lines[$ln - 1] &&
-				$lines[$ln - 1] =~ /^(?:-|..*\\$)/)
-			{
-				$ctx .= $rawlines[$ln - 1] . "\n";
-				$cnt-- if ($lines[$ln - 1] !~ /^-/);
-				$ln++;
-			}
-			$ctx .= $rawlines[$ln - 1];
-
-			($dstat, $dcond, $ln, $cnt, $off) =
-				ctx_statement_block($linenr, $ln - $linenr + 1, 0);
-			#print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n";
-			#print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
-
-			# Extract the remainder of the define (if any) and
-			# rip off surrounding spaces, and trailing \'s.
-			$rest = '';
-			while ($off != 0 || ($cnt > 0 && $rest =~ /\\\s*$/)) {
-				#print "ADDING cnt<$cnt> $off <" . substr($lines[$ln - 1], $off) . "> rest<$rest>\n";
-				if ($off != 0 || $lines[$ln - 1] !~ /^-/) {
-					$rest .= substr($lines[$ln - 1], $off) . "\n";
-					$cnt--;
-				}
-				$ln++;
-				$off = 0;
-			}
-			$rest =~ s/\\\n.//g;
-			$rest =~ s/^\s*//s;
-			$rest =~ s/\s*$//s;
-
-			# Clean up the original statement.
-			if ($args) {
-				substr($dstat, 0, length($dcond), '');
-			} else {
-				$dstat =~ s/^.\s*\#\s*define\s+$Ident\s*//;
-			}
-			$dstat =~ s/$;//g;
-			$dstat =~ s/\\\n.//g;
-			$dstat =~ s/^\s*//s;
-			$dstat =~ s/\s*$//s;
-
-			# Flatten any parentheses and braces
-			while ($dstat =~ s/\([^\(\)]*\)/1/ ||
-			       $dstat =~ s/\{[^\{\}]*\}/1/ ||
-			       $dstat =~ s/\[[^\{\}]*\]/1/)
-			{
-			}
-
-			my $exceptions = qr{
-				$Declare|
-				module_param_named|
-				MODULE_PARAM_DESC|
-				DECLARE_PER_CPU|
-				DEFINE_PER_CPU|
-				__typeof__\(|
-				union|
-				struct|
-				\.$Ident\s*=\s*|
-				^\"|\"$
-			}x;
-			#print "REST<$rest> dstat<$dstat> ctx<$ctx>\n";
-			if ($rest ne '' && $rest ne ',') {
-				if ($rest !~ /while\s*\(/ &&
-				    $dstat !~ /$exceptions/)
-				{
-					ERROR("Macros with multiple statements should be enclosed in a do - while loop\n" . "$here\n$ctx\n");
-				}
-
-			} elsif ($ctx !~ /;/) {
-				if ($dstat ne '' &&
-				    $dstat !~ /^(?:$Ident|-?$Constant)$/ &&
-				    $dstat !~ /$exceptions/ &&
-				    $dstat !~ /^\.$Ident\s*=/ &&
-				    $dstat =~ /$Operators/)
-				{
-					ERROR("Macros with complex values should be enclosed in parenthesis\n" . "$here\n$ctx\n");
-				}
-			}
-		}
-
-# check for missing bracing round if etc
-		if ($line =~ /(^.*)\bif\b/ && $line !~ /\#\s*if/) {
-			my ($level, $endln, @chunks) =
-				ctx_statement_full($linenr, $realcnt, 1);
-                        if ($dbg_adv_apw) {
-                            print "APW: chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level>\n";
-                            print "APW: <<$chunks[1][0]>><<$chunks[1][1]>>\n"
-                                if $#chunks >= 1;
-                        }
-			if ($#chunks >= 0 && $level == 0) {
-				my $allowed = 0;
-				my $seen = 0;
-				my $herectx = $here . "\n";
-				my $ln = $linenr - 1;
-				for my $chunk (@chunks) {
-					my ($cond, $block) = @{$chunk};
-
-					# If the condition carries leading newlines, then count those as offsets.
-					my ($whitespace) = ($cond =~ /^((?:\s*\n[+-])*\s*)/s);
-					my $offset = statement_rawlines($whitespace) - 1;
-
-					#print "COND<$cond> whitespace<$whitespace> offset<$offset>\n";
-
-					# We have looked at and allowed this specific line.
-					$suppress_ifbraces{$ln + $offset} = 1;
-
-					$herectx .= "$rawlines[$ln + $offset]\n[...]\n";
-					$ln += statement_rawlines($block) - 1;
-
-					substr($block, 0, length($cond), '');
-
-					my $spaced_block = $block;
-					$spaced_block =~ s/\n\+/ /g;
-
-					$seen++ if ($spaced_block =~ /^\s*\{/);
-
-                                        print "APW: cond<$cond> block<$block> allowed<$allowed>\n"
-                                            if $dbg_adv_apw;
-					if (statement_lines($cond) > 1) {
-                                            print "APW: ALLOWED: cond<$cond>\n"
-                                                if $dbg_adv_apw;
-                                            $allowed = 1;
-					}
-					if ($block =~/\b(?:if|for|while)\b/) {
-                                            print "APW: ALLOWED: block<$block>\n"
-                                                if $dbg_adv_apw;
-                                            $allowed = 1;
-					}
-					if (statement_block_size($block) > 1) {
-                                            print "APW: ALLOWED: lines block<$block>\n"
-                                                if $dbg_adv_apw;
-                                            $allowed = 1;
-					}
-				}
-				if ($seen != ($#chunks + 1)) {
-					WARN("braces {} are necessary for all arms of this statement\n" . $herectx);
-				}
-			}
-		}
-		if (!defined $suppress_ifbraces{$linenr - 1} &&
-					$line =~ /\b(if|while|for|else)\b/ &&
-					$line !~ /\#\s*if/ &&
-					$line !~ /\#\s*else/) {
-			my $allowed = 0;
-
-                        # Check the pre-context.
-                        if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) {
-                            my $pre = $1;
-
-                            if ($line !~ /else/) {
-                                print "APW: ALLOWED: pre<$pre> line<$line>\n"
-                                    if $dbg_adv_apw;
-                                $allowed = 1;
-                            }
-                        }
-
-			my ($level, $endln, @chunks) =
-				ctx_statement_full($linenr, $realcnt, $-[0]);
-
-			# Check the condition.
-			my ($cond, $block) = @{$chunks[0]};
-                        print "CHECKING<$linenr> cond<$cond> block<$block>\n"
-                            if $dbg_adv_checking;
-			if (defined $cond) {
-				substr($block, 0, length($cond), '');
-			}
-			if (statement_lines($cond) > 1) {
-                            print "APW: ALLOWED: cond<$cond>\n"
-                                if $dbg_adv_apw;
-                            $allowed = 1;
-			}
-			if ($block =~/\b(?:if|for|while)\b/) {
-                            print "APW: ALLOWED: block<$block>\n"
-                                if $dbg_adv_apw;
-                            $allowed = 1;
-			}
-			if (statement_block_size($block) > 1) {
-                            print "APW: ALLOWED: lines block<$block>\n"
-                                if $dbg_adv_apw;
-                            $allowed = 1;
-			}
-			# Check the post-context.
-			if (defined $chunks[1]) {
-				my ($cond, $block) = @{$chunks[1]};
-				if (defined $cond) {
-					substr($block, 0, length($cond), '');
-				}
-				if ($block =~ /^\s*\{/) {
-                                    print "APW: ALLOWED: chunk-1 block<$block>\n"
-                                        if $dbg_adv_apw;
-                                    $allowed = 1;
-				}
-			}
-                        print "DCS: level=$level block<$block> allowed=$allowed\n"
-                            if $dbg_adv_dcs;
-			if ($level == 0 && $block !~ /^\s*\{/ && !$allowed) {
-				my $herectx = $here . "\n";;
-				my $cnt = statement_rawlines($block);
-
-				for (my $n = 0; $n < $cnt; $n++) {
-					$herectx .= raw_line($linenr, $n) . "\n";;
-				}
-
-				WARN("braces {} are necessary even for single statement blocks\n" . $herectx);
-			}
-		}
-
-# no volatiles please
-		my $asm_volatile = qr{\b(__asm__|asm)\s+(__volatile__|volatile)\b};
-		if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) {
-			WARN("Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
-		}
-
-# warn about #if 0
-		if ($line =~ /^.\s*\#\s*if\s+0\b/) {
-			WARN("if this code is redundant consider removing it\n" .
-				$herecurr);
-		}
-
-# check for needless g_free() checks
-		if ($prevline =~ /\bif\s*\(([^\)]*)\)/) {
-			my $expr = $1;
-			if ($line =~ /\bg_free\(\Q$expr\E\);/) {
-				WARN("g_free(NULL) is safe this check is probably not required\n" . $hereprev);
-			}
-		}
-
-# warn about #ifdefs in C files
-#		if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
-#			print "#ifdef in C files should be avoided\n";
-#			print "$herecurr";
-#			$clean = 0;
-#		}
-
-# warn about spacing in #ifdefs
-		if ($line =~ /^.\s*\#\s*(ifdef|ifndef|elif)\s\s+/) {
-			ERROR("exactly one space required after that #$1\n" . $herecurr);
-		}
-# check for memory barriers without a comment.
-		if ($line =~ /\b(smp_mb|smp_rmb|smp_wmb|smp_read_barrier_depends)\(/) {
-			if (!ctx_has_comment($first_line, $linenr)) {
-				WARN("memory barrier without comment\n" . $herecurr);
-			}
-		}
-# check of hardware specific defines
-# we have e.g. CONFIG_LINUX and CONFIG_WIN32 for common cases
-# where they might be necessary.
-		if ($line =~ m@^.\s*\#\s*if.*\b__@) {
-			WARN("architecture specific defines should be avoided\n" .  $herecurr);
-		}
-
-# Check that the storage class is at the beginning of a declaration
-		if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) {
-			WARN("storage class should be at the beginning of the declaration\n" . $herecurr)
-		}
-
-# check the location of the inline attribute, that it is between
-# storage class and type.
-		if ($line =~ /\b$Type\s+$Inline\b/ ||
-		    $line =~ /\b$Inline\s+$Storage\b/) {
-			ERROR("inline keyword should sit between storage class and type\n" . $herecurr);
-		}
-
-# check for sizeof(&)
-		if ($line =~ /\bsizeof\s*\(\s*\&/) {
-			WARN("sizeof(& should be avoided\n" . $herecurr);
-		}
-
-# check for new externs in .c files.
-		if ($realfile =~ /\.c$/ && defined $stat &&
-		    $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
-		{
-			my $function_name = $1;
-			my $paren_space = $2;
-
-			my $s = $stat;
-			if (defined $cond) {
-				substr($s, 0, length($cond), '');
-			}
-			if ($s =~ /^\s*;/ &&
-			    $function_name ne 'uninitialized_var')
-			{
-				WARN("externs should be avoided in .c files\n" .  $herecurr);
-			}
-
-			if ($paren_space =~ /\n/) {
-				WARN("arguments for function declarations should follow identifier\n" . $herecurr);
-			}
-
-		} elsif ($realfile =~ /\.c$/ && defined $stat &&
-		    $stat =~ /^.\s*extern\s+/)
-		{
-			WARN("externs should be avoided in .c files\n" .  $herecurr);
-		}
-
-# check for pointless casting of g_malloc return
-		if ($line =~ /\*\s*\)\s*g_(try)?(m|re)alloc(0?)(_n)?\b/) {
-			if ($2 == 'm') {
-				WARN("unnecessary cast may hide bugs, use g_$1new$3 instead\n" . $herecurr);
-			} else {
-				WARN("unnecessary cast may hide bugs, use g_$1renew$3 instead\n" . $herecurr);
-			}
-		}
-
-# check for gcc specific __FUNCTION__
-		if ($line =~ /__FUNCTION__/) {
-			WARN("__func__ should be used instead of gcc specific __FUNCTION__\n"  . $herecurr);
-		}
-
-# recommend qemu_strto* over strto* for numeric conversions
-		if ($line =~ /\b(strto[^k].*?)\s*\(/) {
-			WARN("consider using qemu_$1 in preference to $1\n" . $herecurr);
-		}
-# check for module_init(), use category-specific init macros explicitly please
-		if ($line =~ /^module_init\s*\(/) {
-			WARN("please use block_init(), type_init() etc. instead of module_init()\n" . $herecurr);
-		}
-# check for various ops structs, ensure they are const.
-		my $struct_ops = qr{AIOCBInfo|
-				BdrvActionOps|
-				BlockDevOps|
-				BlockJobDriver|
-				DisplayChangeListenerOps|
-				GraphicHwOps|
-				IDEDMAOps|
-				KVMCapabilityInfo|
-				MemoryRegionIOMMUOps|
-				MemoryRegionOps|
-				MemoryRegionPortio|
-				QEMUFileOps|
-				SCSIBusInfo|
-				SCSIReqOps|
-				Spice[A-Z][a-zA-Z0-9]*Interface|
-				TPMDriverOps|
-				USBDesc[A-Z][a-zA-Z0-9]*|
-				VhostOps|
-				VMStateDescription|
-				VMStateInfo}x;
-		if ($line !~ /\bconst\b/ &&
-		    $line =~ /\b($struct_ops)\b/) {
-			WARN("struct $1 should normally be const\n" .
-				$herecurr);
-		}
-
-# check for %L{u,d,i} in strings
-		my $string;
-		while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) {
-			$string = substr($rawline, $-[1], $+[1] - $-[1]);
-			$string =~ s/%%/__/g;
-			if ($string =~ /(?<!%)%L[udi]/) {
-				WARN("\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr);
-				last;
-			}
-		}
-
-# QEMU specific tests
-		if ($rawline =~ /\b(?:Qemu|QEmu)\b/) {
-			WARN("use QEMU instead of Qemu or QEmu\n" . $herecurr);
-		}
-
-# Qemu error function tests
-
-	# Find newlines in error messages
-	my $qemu_error_funcs = qr{error_setg|
-				error_setg_errno|
-				error_setg_win32|
-				error_set|
-				error_vreport|
-				error_report}x;
-
-	if ($rawline =~ /\b(?:$qemu_error_funcs)\s*\(\s*\".*\\n/) {
-		WARN("Error messages should not contain newlines\n" . $herecurr);
-	}
-
-	# Continue checking for error messages that contains newlines. This
-	# check handles cases where string literals are spread over multiple lines.
-	# Example:
-	# error_report("Error msg line #1"
-	#              "Error msg line #2\n");
-	my $quoted_newline_regex = qr{\+\s*\".*\\n.*\"};
-	my $continued_str_literal = qr{\+\s*\".*\"};
-
-	if ($rawline =~ /$quoted_newline_regex/) {
-		# Backtrack to first line that does not contain only a quoted literal
-		# and assume that it is the start of the statement.
-		my $i = $linenr - 2;
-
-		while (($i >= 0) & $rawlines[$i] =~ /$continued_str_literal/) {
-			$i--;
-		}
-
-		if ($rawlines[$i] =~ /\b(?:$qemu_error_funcs)\s*\(/) {
-			WARN("Error messages should not contain newlines\n" . $herecurr);
-		}
-	}
-
-# check for non-portable ffs() calls that have portable alternatives in QEMU
-		if ($line =~ /\bffs\(/) {
-			ERROR("use ctz32() instead of ffs()\n" . $herecurr);
-		}
-		if ($line =~ /\bffsl\(/) {
-			ERROR("use ctz32() or ctz64() instead of ffsl()\n" . $herecurr);
-		}
-		if ($line =~ /\bffsll\(/) {
-			ERROR("use ctz64() instead of ffsll()\n" . $herecurr);
-		}
-	}
-
-	# If we have no input at all, then there is nothing to report on
-	# so just keep quiet.
-	if ($#rawlines == -1) {
-		exit(0);
-	}
-
-	# In mailback mode only produce a report in the negative, for
-	# things that appear to be patches.
-	if ($mailback && ($clean == 1 || !$is_patch)) {
-		exit(0);
-	}
-
-	# This is not a patch, and we are are in 'no-patch' mode so
-	# just keep quiet.
-	if (!$chk_patch && !$is_patch) {
-		exit(0);
-	}
-
-	if (!$is_patch) {
-		ERROR("Does not appear to be a unified-diff format patch\n");
-	}
-	if ($is_patch && $chk_signoff && $signoff == 0) {
-		ERROR("Missing Signed-off-by: line(s)\n");
-	}
-
-	print report_dump();
-	if ($summary && !($clean == 1 && $quiet == 1)) {
-		print "$filename " if ($summary_file);
-		print "total: $cnt_error errors, $cnt_warn warnings, " .
-			(($check)? "$cnt_chk checks, " : "") .
-			"$cnt_lines lines checked\n";
-		print "\n" if ($quiet == 0);
-	}
-
-	if ($quiet == 0) {
-		# If there were whitespace errors which cleanpatch can fix
-		# then suggest that.
-#		if ($rpt_cleaners) {
-#			print "NOTE: whitespace errors detected, you may wish to use scripts/cleanpatch or\n";
-#			print "      scripts/cleanfile\n\n";
-#		}
-	}
-
-	if ($clean == 1 && $quiet == 0) {
-		print "$vname has no obvious style problems and is ready for submission.\n"
-	}
-	if ($clean == 0 && $quiet == 0) {
-		print "$vname has style problems, please review.  If any of these errors\n";
-		print "are false positives report them to the maintainer, see\n";
-		print "CHECKPATCH in MAINTAINERS.\n";
-	}
-
-	return $clean;
-}