53 lines
2.3 KiB
C
53 lines
2.3 KiB
C
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/*
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* libjingle
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* Copyright 2004--2010, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_VERSIONPARSING_H_
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#define TALK_BASE_VERSIONPARSING_H_
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#include <string>
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namespace talk_base {
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// Parses a version string into an array. "num_expected_segments" must be the
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// number of numerical segments that the version is expected to have (e.g.,
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// "1.1.2.0" has 4). "version" must be an array of that length to hold the
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// parsed numbers.
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// Returns "true" iff successful.
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bool ParseVersionString(const std::string& version_str,
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int num_expected_segments,
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int version[]);
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// Computes the lexicographical order of two versions. The return value
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// indicates the order in the standard way (e.g., see strcmp()).
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int CompareVersions(const int version1[],
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const int version2[],
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int num_segments);
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} // namespace talk_base
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#endif // TALK_BASE_VERSIONPARSING_H_
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