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/*
* Copyright (C) 2003-2013 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 "UpdateQueue.hxx"
#include "util/Macros.hxx"
#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 <= ARRAY_SIZE(update_queue));
if (update_queue_length == ARRAY_SIZE(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;
}
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