diff options
Diffstat (limited to '')
-rw-r--r-- | lib/dpkg/pkg-queue.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/dpkg/pkg-queue.h b/lib/dpkg/pkg-queue.h new file mode 100644 index 0000000..21460af --- /dev/null +++ b/lib/dpkg/pkg-queue.h @@ -0,0 +1,64 @@ +/* + * 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 + +/** + * @defgroup pkg-queue Package queues + * @ingroup dpkg-public + * @{ + */ + +struct pkg_queue { + struct pkg_list *head, *tail; + int length; +}; + +/** + * Constant initializer for a package queue. + */ +#define PKG_QUEUE_INIT \ + { .head = NULL, .tail = NULL, .length = 0 } + +/** + * Compound literal for a package queue. + */ +#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 */ |