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pacman/lib/libalpm/db.h
Ivy Foster fa06951d90 Represent bitfields as ints, not enums
Many bitfield variables are declared to be enums, because they are
generated using bitwise operations on enums such. However, their
actual values aren't necessary members of their parent enum, so
declaring them 'int' is more accurate.

Signed-off-by: Ivy Foster <ivy.foster@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
2016-10-22 20:50:55 +10:00

117 lines
3.6 KiB
C

/*
* db.h
*
* Copyright (c) 2006-2016 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
* Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.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, see <http://www.gnu.org/licenses/>.
*/
#ifndef ALPM_DB_H
#define ALPM_DB_H
/* libarchive */
#include <archive.h>
#include <archive_entry.h>
#include "alpm.h"
#include "pkghash.h"
#include "signing.h"
/* Database entries */
typedef enum _alpm_dbinfrq_t {
INFRQ_BASE = (1 << 0),
INFRQ_DESC = (1 << 1),
INFRQ_FILES = (1 << 2),
INFRQ_SCRIPTLET = (1 << 3),
INFRQ_DSIZE = (1 << 4),
/* ALL should be info stored in the package or database */
INFRQ_ALL = INFRQ_BASE | INFRQ_DESC | INFRQ_FILES |
INFRQ_SCRIPTLET | INFRQ_DSIZE,
INFRQ_ERROR = (1 << 30)
} alpm_dbinfrq_t;
/** Database status. Bitflags. */
enum _alpm_dbstatus_t {
DB_STATUS_VALID = (1 << 0),
DB_STATUS_INVALID = (1 << 1),
DB_STATUS_EXISTS = (1 << 2),
DB_STATUS_MISSING = (1 << 3),
DB_STATUS_LOCAL = (1 << 10),
DB_STATUS_PKGCACHE = (1 << 11),
DB_STATUS_GRPCACHE = (1 << 12)
};
struct db_operations {
int (*validate) (alpm_db_t *);
int (*populate) (alpm_db_t *);
void (*unregister) (alpm_db_t *);
};
/* Database */
struct __alpm_db_t {
alpm_handle_t *handle;
char *treename;
/* do not access directly, use _alpm_db_path(db) for lazy access */
char *_path;
alpm_pkghash_t *pkgcache;
alpm_list_t *grpcache;
alpm_list_t *servers;
struct db_operations *ops;
/* bitfields for validity, local, loaded caches, etc. */
/* From _alpm_dbstatus_t */
int status;
/* alpm_siglevel_t */
int siglevel;
/* alpm_db_usage_t */
int usage;
};
/* db.c, database general calls */
alpm_db_t *_alpm_db_new(const char *treename, int is_local);
void _alpm_db_free(alpm_db_t *db);
const char *_alpm_db_path(alpm_db_t *db);
int _alpm_db_cmp(const void *d1, const void *d2);
alpm_list_t *_alpm_db_search(alpm_db_t *db, const alpm_list_t *needles);
alpm_db_t *_alpm_db_register_local(alpm_handle_t *handle);
alpm_db_t *_alpm_db_register_sync(alpm_handle_t *handle, const char *treename,
int level);
void _alpm_db_unregister(alpm_db_t *db);
/* be_*.c, backend specific calls */
int _alpm_local_db_prepare(alpm_db_t *db, alpm_pkg_t *info);
int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, int inforeq);
int _alpm_local_db_remove(alpm_db_t *db, alpm_pkg_t *info);
char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, const char *filename);
/* cache bullshit */
/* packages */
void _alpm_db_free_pkgcache(alpm_db_t *db);
int _alpm_db_add_pkgincache(alpm_db_t *db, alpm_pkg_t *pkg);
int _alpm_db_remove_pkgfromcache(alpm_db_t *db, alpm_pkg_t *pkg);
alpm_pkghash_t *_alpm_db_get_pkgcache_hash(alpm_db_t *db);
alpm_list_t *_alpm_db_get_pkgcache(alpm_db_t *db);
alpm_pkg_t *_alpm_db_get_pkgfromcache(alpm_db_t *db, const char *target);
/* groups */
alpm_list_t *_alpm_db_get_groupcache(alpm_db_t *db);
alpm_group_t *_alpm_db_get_groupfromcache(alpm_db_t *db, const char *target);
#endif /* ALPM_DB_H */
/* vim: set noet: */