/* * Copyright (C) 2003-2009 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Saving and loading the audio output states to/from the state file. * */ #include "output_state.h" #include "output_internal.h" #include "output_all.h" #include <glib.h> #include <assert.h> #include <stdbool.h> #include <stdlib.h> #define AUDIO_DEVICE_STATE "audio_device_state:" void saveAudioDevicesState(FILE *fp) { unsigned n = audio_output_count(); assert(n > 0); for (unsigned i = 0; i < n; ++i) { const struct audio_output *ao = audio_output_get(i); fprintf(fp, AUDIO_DEVICE_STATE "%d:%s\n", ao->enabled, ao->name); } } void readAudioDevicesState(FILE *fp) { char buffer[1024]; while (fgets(buffer, sizeof(buffer), fp)) { char *c, *name; struct audio_output *ao; g_strchomp(buffer); if (!g_str_has_prefix(buffer, AUDIO_DEVICE_STATE)) continue; c = strchr(buffer, ':'); if (!c || !(++c)) goto errline; name = strchr(c, ':'); if (!name || !(++name)) goto errline; ao = audio_output_find(name); if (ao != NULL && atoi(c) == 0) ao->enabled = false; continue; errline: /* nonfatal */ g_warning("invalid line in state_file: %s\n", buffer); } }