pkg-queue.h

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/*
 * libdpkg - Debian packaging suite library routines
 * pkg-queue.h - primitives for pkg queue handling
 *
 * Copyright © 2010 Guillem Jover <guillem@debian.org>
 *
 * This 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 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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef DPKG_PKG_QUEUE_H
#define DPKG_PKG_QUEUE_H
 
#include <dpkg/macros.h>
#include <dpkg/pkg-list.h>
 
DPKG_BEGIN_DECLS
 
struct pkg_queue {
        struct pkg_list *head, *tail;
        int length;
};
 
#define PKG_QUEUE_INIT \
        { .head = NULL, .tail = NULL, .length = 0 }
 
#define PKG_QUEUE_OBJECT \
        (struct pkg_queue)PKG_QUEUE_INIT
 
void pkg_queue_init(struct pkg_queue *queue);
void pkg_queue_destroy(struct pkg_queue *queue);
 
int pkg_queue_is_empty(struct pkg_queue *queue);
 
struct pkg_list *pkg_queue_push(struct pkg_queue *queue, struct pkginfo *pkg);
struct pkginfo *pkg_queue_pop(struct pkg_queue *queue);
 
DPKG_END_DECLS
 
#endif /* DPKG_PKG_QUEUE_H */