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#!/usr/bin/perl -w
#
# Copyright 2017, Intel Corporation
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
use strict;
use Text::Diff;
my $clangfmt = shift or die;
my $mode = shift or die;
sub check {
my ($file) = @_;
my $original;
my $formatted;
$formatted = `$clangfmt -style=file "$file"`;
if ($mode eq 'check') {
local $/=undef;
open FILE, "$file" or die "Couldn't open file: $file";
binmode FILE;
$original = <FILE>;
close FILE;
my $diff = diff \$original, \$formatted;
if ($diff ne "") {
print "Style check using $clangfmt for file $file failed\n";
print $diff;
die "Style check using $clangfmt for file $file failed\n";
}
} elsif ($mode eq 'format') {
local $/=undef;
open FILE, '>', "$file" or die "Couldn't open file: $file";
print FILE "$formatted";
close FILE;
} else {
die 'unknown mode';
}
}
foreach(@ARGV) {
check($_)
}
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