2009-11-19 21:00:46 +01:00
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/*
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2020-01-18 19:22:19 +01:00
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* Copyright 2003-2020 The Music Player Daemon Project
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2009-11-19 21:00:46 +01:00
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* This program is a command line interface to MPD's PCM conversion
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* library (pcm_convert.c).
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*
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*/
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2020-03-11 20:10:14 +01:00
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#include "ConfigGlue.hxx"
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2020-01-18 20:07:09 +01:00
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#include "pcm/AudioParser.hxx"
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#include "pcm/AudioFormat.hxx"
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2019-06-17 11:10:33 +02:00
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#include "pcm/Convert.hxx"
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2020-03-11 20:10:14 +01:00
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#include "fs/Path.hxx"
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2014-08-12 16:36:07 +02:00
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#include "util/ConstBuffer.hxx"
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2014-08-06 16:54:53 +02:00
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#include "util/StaticFifoBuffer.hxx"
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2020-03-11 20:06:33 +01:00
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#include "util/OptionDef.hxx"
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2020-03-11 20:03:00 +01:00
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#include "util/OptionParser.hxx"
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2018-07-17 21:56:43 +02:00
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#include "util/PrintException.hxx"
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2020-03-11 20:06:33 +01:00
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#include "Log.hxx"
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#include "LogBackend.hxx"
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2009-11-19 21:00:46 +01:00
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2020-03-12 23:20:59 +01:00
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#include <cassert>
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2020-03-11 20:03:00 +01:00
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#include <stdexcept>
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2009-11-19 21:00:46 +01:00
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#include <stddef.h>
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2013-11-11 08:17:29 +01:00
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#include <stdlib.h>
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2016-07-02 14:19:47 +02:00
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#include <stdio.h>
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2009-11-19 21:00:46 +01:00
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#include <unistd.h>
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2020-03-11 20:03:00 +01:00
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struct CommandLine {
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AudioFormat in_audio_format, out_audio_format;
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2020-03-11 20:06:33 +01:00
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2020-03-11 20:10:14 +01:00
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Path config_path = nullptr;
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2020-03-11 20:06:33 +01:00
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bool verbose = false;
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};
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enum Option {
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2020-03-11 20:10:14 +01:00
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OPTION_CONFIG,
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2020-03-11 20:06:33 +01:00
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OPTION_VERBOSE,
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};
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static constexpr OptionDef option_defs[] = {
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2020-03-11 20:10:14 +01:00
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{"config", 0, true, "Load a MPD configuration file"},
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2020-03-11 20:06:33 +01:00
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{"verbose", 'v', false, "Verbose logging"},
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2020-03-11 20:03:00 +01:00
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};
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static CommandLine
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ParseCommandLine(int argc, char **argv)
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{
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CommandLine c;
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2020-03-11 20:06:33 +01:00
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OptionParser option_parser(option_defs, argc, argv);
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while (auto o = option_parser.Next()) {
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switch (Option(o.index)) {
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2020-03-11 20:10:14 +01:00
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case OPTION_CONFIG:
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c.config_path = Path::FromFS(o.value);
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break;
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2020-03-11 20:06:33 +01:00
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case OPTION_VERBOSE:
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c.verbose = true;
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break;
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}
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2009-11-19 21:00:46 +01:00
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}
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2020-03-11 20:03:00 +01:00
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auto args = option_parser.GetRemaining();
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if (args.size != 2)
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throw std::runtime_error("Usage: run_convert IN_FORMAT OUT_FORMAT <IN >OUT");
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2009-11-19 21:00:46 +01:00
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2020-03-11 20:03:00 +01:00
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c.in_audio_format = ParseAudioFormat(args[0], false);
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c.out_audio_format = c.in_audio_format.WithMask(ParseAudioFormat(args[1], false));
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return c;
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}
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2020-03-11 20:10:14 +01:00
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class GlobalInit {
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const ConfigData config;
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public:
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explicit GlobalInit(Path config_path)
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:config(AutoLoadConfigFile(config_path))
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{
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pcm_convert_global_init(config);
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}
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};
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2020-03-11 20:03:00 +01:00
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int
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main(int argc, char **argv)
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try {
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const auto c = ParseCommandLine(argc, argv);
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2012-03-21 09:29:31 +01:00
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2020-03-11 20:06:33 +01:00
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SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
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2020-03-11 20:10:14 +01:00
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const GlobalInit init(c.config_path);
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2020-03-11 20:06:33 +01:00
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2020-03-11 20:03:00 +01:00
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const size_t in_frame_size = c.in_audio_format.GetFrameSize();
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2010-01-16 23:25:43 +01:00
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2020-03-11 20:03:00 +01:00
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PcmConvert state(c.in_audio_format, c.out_audio_format);
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2009-11-19 21:00:46 +01:00
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2014-08-06 16:54:53 +02:00
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StaticFifoBuffer<uint8_t, 4096> buffer;
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2010-01-16 23:25:43 +01:00
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while (true) {
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2013-10-15 10:28:52 +02:00
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{
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const auto dest = buffer.Write();
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2017-11-10 19:24:33 +01:00
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assert(!dest.empty());
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2010-01-16 23:25:43 +01:00
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2013-10-15 10:28:52 +02:00
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ssize_t nbytes = read(0, dest.data, dest.size);
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if (nbytes <= 0)
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break;
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2010-01-16 23:25:43 +01:00
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2013-10-15 10:28:52 +02:00
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buffer.Append(nbytes);
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}
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2010-01-16 23:25:43 +01:00
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2013-10-15 10:28:52 +02:00
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auto src = buffer.Read();
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2017-11-10 19:24:33 +01:00
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assert(!src.empty());
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2010-01-16 23:25:43 +01:00
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2013-10-15 10:28:52 +02:00
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src.size -= src.size % in_frame_size;
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2017-11-10 19:24:33 +01:00
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if (src.empty())
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2010-01-16 23:25:43 +01:00
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continue;
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2013-10-15 10:28:52 +02:00
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buffer.Consume(src.size);
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2010-01-16 23:25:43 +01:00
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2016-09-05 12:19:20 +02:00
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auto output = state.Convert({src.data, src.size});
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2009-11-19 21:00:46 +01:00
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2014-08-12 16:36:07 +02:00
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gcc_unused ssize_t ignored = write(1, output.data,
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output.size);
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2009-11-19 21:00:46 +01:00
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}
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2018-01-01 19:22:45 +01:00
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while (true) {
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auto output = state.Flush();
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if (output.IsNull())
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break;
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gcc_unused ssize_t ignored = write(1, output.data,
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output.size);
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}
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2013-01-30 23:40:56 +01:00
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return EXIT_SUCCESS;
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2018-07-17 21:56:43 +02:00
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} catch (...) {
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PrintException(std::current_exception());
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2016-09-05 12:19:20 +02:00
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return EXIT_FAILURE;
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2009-11-19 21:00:46 +01:00
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}
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