~mdw / dpkg / blame
| Commit | Line | Data |
|---|---|---|
| 1479465f GJ |
1 | /* |
| 2 | * libdpkg - Debian packaging suite library routines | |
| 3 | * pkg-queue.h - primitives for pkg queue handling | |
| 4 | * | |
| 5 | * Copyright © 2010 Guillem Jover <guillem@debian.org> | |
| 6 | * | |
| 7 | * This is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | * | |
| 12 | * This is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef DPKG_PKG_QUEUE_H | |
| 22 | #define DPKG_PKG_QUEUE_H | |
| 23 | ||
| 24 | #include <dpkg/macros.h> | |
| 25 | #include <dpkg/pkg-list.h> | |
| 26 | ||
| 27 | DPKG_BEGIN_DECLS | |
| 28 | ||
| 29 | /** | |
| 30 | * @defgroup pkg-queue Package queues | |
| 31 | * @ingroup dpkg-public | |
| 32 | * @{ | |
| 33 | */ | |
| 34 | ||
| 35 | struct pkg_queue { | |
| 36 | struct pkg_list *head, *tail; | |
| 37 | int length; | |
| 38 | }; | |
| 39 | ||
| 40 | /** | |
| 41 | * Constant initializer for a package queue. | |
| 42 | */ | |
| 43 | #define PKG_QUEUE_INIT \ | |
| 44 | { .head = NULL, .tail = NULL, .length = 0 } | |
| 45 | ||
| 46 | /** | |
| 47 | * Compound literal for a package queue. | |
| 48 | */ | |
| 49 | #define PKG_QUEUE_OBJECT \ | |
| 50 | (struct pkg_queue)PKG_QUEUE_INIT | |
| 51 | ||
| 52 | void pkg_queue_init(struct pkg_queue *queue); | |
| 53 | void pkg_queue_destroy(struct pkg_queue *queue); | |
| 54 | ||
| 55 | int pkg_queue_is_empty(struct pkg_queue *queue); | |
| 56 | ||
| 57 | struct pkg_list *pkg_queue_push(struct pkg_queue *queue, struct pkginfo *pkg); | |
| 58 | struct pkginfo *pkg_queue_pop(struct pkg_queue *queue); | |
| 59 | ||
| 60 | /** @} */ | |
| 61 | ||
| 62 | DPKG_END_DECLS | |
| 63 | ||
| 64 | #endif /* DPKG_PKG_QUEUE_H */ |