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// Copyright 2010 Google Inc. All Rights Reserved.
// Use of this source code is governed by an Apache-style license that can be
// found in the COPYING file.
//
// String manipulation functions used in the RLZ library.
#include "rlz/lib/string_utils.h"
namespace rlz_lib {
bool BytesToString(const unsigned char* data,
int data_len,
std::string* string) {
if (!string)
return false;
string->clear();
if (data_len < 1 || !data)
return false;
static const char kHex[] = "0123456789ABCDEF";
// Fix the buffer size to begin with to avoid repeated re-allocation.
string->resize(data_len * 2);
int index = data_len;
while (index--) {
string->at(2 * index) = kHex[data[index] >> 4]; // high digit
string->at(2 * index + 1) = kHex[data[index] & 0x0F]; // low digit
}
return true;
}
} // namespace rlz_lib
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