thin-provisioning-tools/persistent-data/hex_dump.cc

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// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
//
// thin-provisioning-tools is free software: you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// thin-provisioning-tools is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with thin-provisioning-tools. If not, see
// <http://www.gnu.org/licenses/>.
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#include "hex_dump.h"
#include <iostream>
#include <iomanip>
using namespace std;
//----------------------------------------------------------------
void base::hex_dump(ostream &out, void const *data_, size_t len)
{
unsigned char const *data = reinterpret_cast<unsigned char const *>(data_),
*end = data + len;
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ios_base::fmtflags old_flags = out.flags();
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out << hex;
while (data < end) {
for (unsigned i = 0; i < 16 && data < end; i++, data++)
out << setw(2) << setfill('0') << (unsigned) *data << " ";
out << endl;
}
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out.setf(old_flags);
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}
//----------------------------------------------------------------