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