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Diffstat (limited to '')
-rw-r--r-- | src/update_queue.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/update_queue.c b/src/update_queue.c new file mode 100644 index 000000000..d7b2d4e5f --- /dev/null +++ b/src/update_queue.c @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2003-2010 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 "config.h" +#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; +} |