/* * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "update_internal.h" #include <glib.h> #include <assert.h> #include <string.h> /* make this dynamic?, or maybe this is big enough... */ static struct { char *path; bool discard; } update_queue[32]; static size_t update_queue_length; unsigned update_queue_push(const char *path, bool discard, unsigned base) { assert(update_queue_length <= G_N_ELEMENTS(update_queue)); if (update_queue_length == G_N_ELEMENTS(update_queue)) return 0; update_queue[update_queue_length].path = g_strdup(path); update_queue[update_queue_length].discard = discard; ++update_queue_length; return base + update_queue_length; } char * update_queue_shift(bool *discard_r) { char *path; if (update_queue_length == 0) return NULL; path = update_queue[0].path; *discard_r = update_queue[0].discard; memmove(&update_queue[0], &update_queue[1], --update_queue_length * sizeof(update_queue[0])); return path; }