cmdline: convert to C++
This commit is contained in:
Max Kellermann
257
src/CommandLine.cxx
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257
src/CommandLine.cxx
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/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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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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#include "config.h"
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#include "CommandLine.hxx"
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#include "path.h"
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extern "C" {
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#include "log.h"
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#include "conf.h"
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#include "ls.h"
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}
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#include "decoder_list.h"
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#include "decoder_plugin.h"
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#include "output_list.h"
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#include "output_plugin.h"
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#include "input_registry.h"
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#include "input_plugin.h"
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#include "playlist_list.h"
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#include "playlist_plugin.h"
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#include "mpd_error.h"
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#include "glib_compat.h"
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#ifdef ENABLE_ENCODER
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#include "encoder_list.h"
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#include "encoder_plugin.h"
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#endif
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#ifdef ENABLE_ARCHIVE
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#include "archive_list.h"
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#include "archive_plugin.h"
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#endif
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#include <glib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef G_OS_WIN32
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#define CONFIG_FILE_LOCATION "\\mpd\\mpd.conf"
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#else /* G_OS_WIN32 */
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#define USER_CONFIG_FILE_LOCATION1 ".mpdconf"
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#define USER_CONFIG_FILE_LOCATION2 ".mpd/mpd.conf"
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#endif
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static GQuark
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cmdline_quark(void)
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{
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return g_quark_from_static_string("cmdline");
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}
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G_GNUC_NORETURN
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static void version(void)
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{
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puts(PACKAGE " (MPD: Music Player Daemon) " VERSION " \n"
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"\n"
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"Copyright (C) 2003-2007 Warren Dukes <warren.dukes@gmail.com>\n"
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"Copyright (C) 2008-2012 Max Kellermann <max@duempel.org>\n"
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"This is free software; see the source for copying conditions. There is NO\n"
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"warranty; not even MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
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"\n"
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"Decoders plugins:");
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decoder_plugins_for_each(plugin) {
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printf(" [%s]", plugin->name);
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const char *const*suffixes = plugin->suffixes;
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if (suffixes != NULL)
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for (; *suffixes != NULL; ++suffixes)
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printf(" %s", *suffixes);
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puts("");
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}
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puts("\n"
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"Output plugins:");
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audio_output_plugins_for_each(plugin)
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printf(" %s", plugin->name);
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puts("");
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#ifdef ENABLE_ENCODER
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puts("\n"
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"Encoder plugins:");
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encoder_plugins_for_each(plugin)
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printf(" %s", plugin->name);
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puts("");
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#endif
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#ifdef ENABLE_ARCHIVE
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puts("\n"
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"Archive plugins:");
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archive_plugins_for_each(plugin) {
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printf(" [%s]", plugin->name);
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const char *const*suffixes = plugin->suffixes;
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if (suffixes != NULL)
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for (; *suffixes != NULL; ++suffixes)
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printf(" %s", *suffixes);
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puts("");
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}
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#endif
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puts("\n"
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"Input plugins:");
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input_plugins_for_each(plugin)
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printf(" %s", plugin->name);
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puts("\n\n"
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"Playlist plugins:");
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playlist_plugins_for_each(plugin)
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printf(" %s", plugin->name);
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puts("\n\n"
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"Protocols:");
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print_supported_uri_schemes_to_fp(stdout);
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exit(EXIT_SUCCESS);
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}
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static const char *summary =
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"Music Player Daemon - a daemon for playing music.";
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bool
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parse_cmdline(int argc, char **argv, struct options *options,
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GError **error_r)
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{
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GError *error = NULL;
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GOptionContext *context;
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bool ret;
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static gboolean option_version,
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option_no_daemon,
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option_no_config;
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const GOptionEntry entries[] = {
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{ "kill", 0, 0, G_OPTION_ARG_NONE, &options->kill,
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"kill the currently running mpd session", NULL },
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{ "no-config", 0, 0, G_OPTION_ARG_NONE, &option_no_config,
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"don't read from config", NULL },
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{ "no-daemon", 0, 0, G_OPTION_ARG_NONE, &option_no_daemon,
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"don't detach from console", NULL },
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{ "stdout", 0, 0, G_OPTION_ARG_NONE, &options->log_stderr,
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NULL, NULL },
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{ "stderr", 0, 0, G_OPTION_ARG_NONE, &options->log_stderr,
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"print messages to stderr", NULL },
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{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &options->verbose,
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"verbose logging", NULL },
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{ "version", 'V', 0, G_OPTION_ARG_NONE, &option_version,
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"print version number", NULL },
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{ nullptr, 0, 0, G_OPTION_ARG_NONE, nullptr, nullptr, nullptr }
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};
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options->kill = false;
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options->daemon = true;
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options->log_stderr = false;
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options->verbose = false;
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context = g_option_context_new("[path/to/mpd.conf]");
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g_option_context_add_main_entries(context, entries, NULL);
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g_option_context_set_summary(context, summary);
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ret = g_option_context_parse(context, &argc, &argv, &error);
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g_option_context_free(context);
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if (!ret)
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MPD_ERROR("option parsing failed: %s\n", error->message);
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if (option_version)
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version();
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/* initialize the logging library, so the configuration file
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parser can use it already */
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log_early_init(options->verbose);
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options->daemon = !option_no_daemon;
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if (option_no_config) {
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g_debug("Ignoring config, using daemon defaults\n");
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return true;
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} else if (argc <= 1) {
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/* default configuration file path */
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char *path1;
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#ifdef G_OS_WIN32
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path1 = g_build_filename(g_get_user_config_dir(),
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CONFIG_FILE_LOCATION, NULL);
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if (g_file_test(path1, G_FILE_TEST_IS_REGULAR))
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ret = config_read_file(path1, error_r);
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else {
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int i = 0;
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char *system_path = NULL;
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const char * const *system_config_dirs;
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system_config_dirs = g_get_system_config_dirs();
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while(system_config_dirs[i] != NULL) {
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system_path = g_build_filename(system_config_dirs[i],
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CONFIG_FILE_LOCATION,
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NULL);
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if(g_file_test(system_path,
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G_FILE_TEST_IS_REGULAR)) {
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ret = config_read_file(system_path,error_r);
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break;
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}
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++i;;
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}
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g_free(system_path);
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g_free(&system_config_dirs);
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}
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#else /* G_OS_WIN32 */
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char *path2;
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path1 = g_build_filename(g_get_home_dir(),
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USER_CONFIG_FILE_LOCATION1, NULL);
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path2 = g_build_filename(g_get_home_dir(),
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USER_CONFIG_FILE_LOCATION2, NULL);
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if (g_file_test(path1, G_FILE_TEST_IS_REGULAR))
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ret = config_read_file(path1, error_r);
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else if (g_file_test(path2, G_FILE_TEST_IS_REGULAR))
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ret = config_read_file(path2, error_r);
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else if (g_file_test(SYSTEM_CONFIG_FILE_LOCATION,
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G_FILE_TEST_IS_REGULAR))
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ret = config_read_file(SYSTEM_CONFIG_FILE_LOCATION,
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error_r);
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#endif
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g_free(path1);
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#ifndef G_OS_WIN32
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g_free(path2);
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#endif
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return ret;
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} else if (argc == 2) {
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/* specified configuration file */
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return config_read_file(argv[1], error_r);
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} else {
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g_set_error(error_r, cmdline_quark(), 0,
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"too many arguments");
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return false;
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}
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}
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