mirror of
https://github.com/moparisthebest/pacman
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701a03dcdb
Using the graph structures that Nagy set up for dependency sorting, we now do a similar process for deltas. Load up all of the deltas into a graph object on which we can then apply Dijkstra's algorithm, using the new weight field of graph struct. We initialize the nodes weight using the base files that we can use in our filecache (both filename and md5sum must match). The algorithm then picks the best path among those that can be resolved. Note that this algorithm has a few advantages over the old one: 1. It is completely file agnostic. These delta chains do not have to consist of package files- this could be adopted to do delta-fied DBs. 2. It does not use the local_db anymore, or even care if a package or file is currently installed. Instead, it only looks in the filecache for files and packages that match delta chain entries. Original-work-by: Dan McGee <dan@archlinux.org> Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
490 lines
14 KiB
C
490 lines
14 KiB
C
/*
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* alpm.h
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*
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* Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ALPM_H
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#define _ALPM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <time.h> /* for time_t */
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#include <stdarg.h> /* for va_list */
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#include <alpm_list.h>
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#define DEPRECATED __attribute__((deprecated))
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/*
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* Arch Linux Package Management library
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*/
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/*
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* Structures
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*/
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typedef struct __pmdb_t pmdb_t;
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typedef struct __pmpkg_t pmpkg_t;
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typedef struct __pmdelta_t pmdelta_t;
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typedef struct __pmgrp_t pmgrp_t;
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typedef struct __pmtrans_t pmtrans_t;
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typedef struct __pmsyncpkg_t pmsyncpkg_t;
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typedef struct __pmdepend_t pmdepend_t;
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typedef struct __pmdepmissing_t pmdepmissing_t;
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typedef struct __pmconflict_t pmconflict_t;
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typedef struct __pmfileconflict_t pmfileconflict_t;
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/*
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* Library
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*/
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int alpm_initialize(void);
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int alpm_release(void);
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const char *alpm_version(void);
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/*
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* Logging facilities
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*/
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/* Levels */
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typedef enum _pmloglevel_t {
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PM_LOG_ERROR = 0x01,
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PM_LOG_WARNING = 0x02,
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PM_LOG_DEBUG = 0x04,
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PM_LOG_FUNCTION = 0x08
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} pmloglevel_t;
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typedef void (*alpm_cb_log)(pmloglevel_t, char *, va_list);
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int alpm_logaction(char *fmt, ...);
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/*
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* Downloading
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*/
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typedef void (*alpm_cb_download)(const char *filename, int xfered, int total);
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/*
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* Options
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*/
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#define PM_DLFNM_LEN 22
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alpm_cb_log alpm_option_get_logcb();
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void alpm_option_set_logcb(alpm_cb_log cb);
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alpm_cb_download alpm_option_get_dlcb();
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void alpm_option_set_dlcb(alpm_cb_download cb);
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const char *alpm_option_get_root();
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int alpm_option_set_root(const char *root);
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const char *alpm_option_get_dbpath();
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int alpm_option_set_dbpath(const char *dbpath);
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alpm_list_t *alpm_option_get_cachedirs();
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int alpm_option_add_cachedir(const char *cachedir);
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void alpm_option_set_cachedirs(alpm_list_t *cachedirs);
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int alpm_option_remove_cachedir(const char *cachedir);
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const char *alpm_option_get_logfile();
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int alpm_option_set_logfile(const char *logfile);
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const char *alpm_option_get_lockfile();
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/* no set_lockfile, path is determined from dbpath */
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unsigned short alpm_option_get_usesyslog();
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void alpm_option_set_usesyslog(unsigned short usesyslog);
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alpm_list_t *alpm_option_get_noupgrades();
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void alpm_option_add_noupgrade(const char *pkg);
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void alpm_option_set_noupgrades(alpm_list_t *noupgrade);
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int alpm_option_remove_noupgrade(const char *pkg);
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alpm_list_t *alpm_option_get_noextracts();
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void alpm_option_add_noextract(const char *pkg);
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void alpm_option_set_noextracts(alpm_list_t *noextract);
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int alpm_option_remove_noextract(const char *pkg);
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alpm_list_t *alpm_option_get_ignorepkgs();
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void alpm_option_add_ignorepkg(const char *pkg);
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void alpm_option_set_ignorepkgs(alpm_list_t *ignorepkgs);
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int alpm_option_remove_ignorepkg(const char *pkg);
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alpm_list_t *alpm_option_get_holdpkgs();
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void alpm_option_add_holdpkg(const char *pkg);
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void alpm_option_set_holdpkgs(alpm_list_t *holdpkgs);
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int alpm_option_remove_holdpkg(const char *pkg);
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alpm_list_t *alpm_option_get_ignoregrps();
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void alpm_option_add_ignoregrp(const char *grp);
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void alpm_option_set_ignoregrps(alpm_list_t *ignoregrps);
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int alpm_option_remove_ignoregrp(const char *grp);
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const char *alpm_option_get_xfercommand();
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void alpm_option_set_xfercommand(const char *cmd);
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unsigned short alpm_option_get_nopassiveftp();
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void alpm_option_set_nopassiveftp(unsigned short nopasv);
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void alpm_option_set_usedelta(unsigned short usedelta);
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pmdb_t *alpm_option_get_localdb();
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alpm_list_t *alpm_option_get_syncdbs();
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/*
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* Databases
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*/
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/* Preferred interfaces db_register_local and db_register_sync */
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pmdb_t *alpm_db_register_local(void);
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pmdb_t *alpm_db_register_sync(const char *treename);
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int alpm_db_unregister(pmdb_t *db);
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int alpm_db_unregister_all(void);
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const char *alpm_db_get_name(const pmdb_t *db);
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const char *alpm_db_get_url(const pmdb_t *db);
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int alpm_db_setserver(pmdb_t *db, const char *url);
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int alpm_db_update(int level, pmdb_t *db);
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pmpkg_t *alpm_db_get_pkg(pmdb_t *db, const char *name);
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alpm_list_t *alpm_db_getpkgcache(pmdb_t *db);
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alpm_list_t *alpm_db_whatprovides(pmdb_t *db, const char *name);
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pmgrp_t *alpm_db_readgrp(pmdb_t *db, const char *name);
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alpm_list_t *alpm_db_getgrpcache(pmdb_t *db);
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alpm_list_t *alpm_db_search(pmdb_t *db, const alpm_list_t* needles);
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/*
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* Packages
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*/
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/* Info parameters */
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/* reasons -- ie, why the package was installed */
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typedef enum _pmpkgreason_t {
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PM_PKG_REASON_EXPLICIT = 0, /* explicitly requested by the user */
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PM_PKG_REASON_DEPEND = 1 /* installed as a dependency for another package */
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} pmpkgreason_t;
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int alpm_pkg_load(const char *filename, unsigned short full, pmpkg_t **pkg);
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int alpm_pkg_free(pmpkg_t *pkg);
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int alpm_pkg_checkmd5sum(pmpkg_t *pkg);
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char *alpm_fetch_pkgurl(const char *url);
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int alpm_pkg_vercmp(const char *ver1, const char *ver2);
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alpm_list_t *alpm_pkg_compute_requiredby(pmpkg_t *pkg);
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const char *alpm_pkg_get_filename(pmpkg_t *pkg);
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const char *alpm_pkg_get_name(pmpkg_t *pkg);
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const char *alpm_pkg_get_version(pmpkg_t *pkg);
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const char *alpm_pkg_get_desc(pmpkg_t *pkg);
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const char *alpm_pkg_get_url(pmpkg_t *pkg);
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time_t alpm_pkg_get_builddate(pmpkg_t *pkg);
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time_t alpm_pkg_get_installdate(pmpkg_t *pkg);
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const char *alpm_pkg_get_packager(pmpkg_t *pkg);
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const char *alpm_pkg_get_md5sum(pmpkg_t *pkg);
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const char *alpm_pkg_get_arch(pmpkg_t *pkg);
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unsigned long alpm_pkg_get_size(pmpkg_t *pkg);
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unsigned long alpm_pkg_get_isize(pmpkg_t *pkg);
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pmpkgreason_t alpm_pkg_get_reason(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_licenses(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_groups(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_depends(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_optdepends(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_conflicts(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_provides(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_deltas(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_replaces(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_files(pmpkg_t *pkg);
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alpm_list_t *alpm_pkg_get_backup(pmpkg_t *pkg);
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void *alpm_pkg_changelog_open(pmpkg_t *pkg);
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size_t alpm_pkg_changelog_read(void *ptr, size_t size,
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const pmpkg_t *pkg, const void *fp);
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/*int alpm_pkg_changelog_feof(const pmpkg_t *pkg, void *fp);*/
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int alpm_pkg_changelog_close(const pmpkg_t *pkg, void *fp);
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unsigned short alpm_pkg_has_scriptlet(pmpkg_t *pkg);
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unsigned long alpm_pkg_download_size(pmpkg_t *newpkg);
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/*
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* Deltas
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*/
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const char *alpm_delta_get_from(pmdelta_t *delta);
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const char *alpm_delta_get_from_md5sum(pmdelta_t *delta);
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const char *alpm_delta_get_to(pmdelta_t *delta);
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const char *alpm_delta_get_to_md5sum(pmdelta_t *delta);
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const char *alpm_delta_get_filename(pmdelta_t *delta);
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const char *alpm_delta_get_md5sum(pmdelta_t *delta);
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unsigned long alpm_delta_get_size(pmdelta_t *delta);
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/*
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* Groups
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*/
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const char *alpm_grp_get_name(const pmgrp_t *grp);
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alpm_list_t *alpm_grp_get_pkgs(const pmgrp_t *grp);
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/*
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* Sync
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*/
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pmpkg_t *alpm_sync_get_pkg(const pmsyncpkg_t *sync);
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alpm_list_t *alpm_sync_get_removes(const pmsyncpkg_t *sync);
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pmpkg_t *alpm_sync_newversion(pmpkg_t *pkg, alpm_list_t *dbs_sync);
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int alpm_sync_sysupgrade(pmdb_t *db_local,
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alpm_list_t *dbs_sync, alpm_list_t **syncpkgs);
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/*
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* Transactions
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*/
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/* Types */
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typedef enum _pmtranstype_t {
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PM_TRANS_TYPE_UPGRADE = 1,
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PM_TRANS_TYPE_REMOVE,
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PM_TRANS_TYPE_REMOVEUPGRADE,
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PM_TRANS_TYPE_SYNC
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} pmtranstype_t;
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/* Flags */
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typedef enum _pmtransflag_t {
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PM_TRANS_FLAG_NODEPS = 0x01,
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PM_TRANS_FLAG_FORCE = 0x02,
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PM_TRANS_FLAG_NOSAVE = 0x04,
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/* 0x08 flag can go here */
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PM_TRANS_FLAG_CASCADE = 0x10,
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PM_TRANS_FLAG_RECURSE = 0x20,
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PM_TRANS_FLAG_DBONLY = 0x40,
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/* 0x80 flag can go here */
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PM_TRANS_FLAG_ALLDEPS = 0x100,
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PM_TRANS_FLAG_DOWNLOADONLY = 0x200,
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PM_TRANS_FLAG_NOSCRIPTLET = 0x400,
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PM_TRANS_FLAG_NOCONFLICTS = 0x800,
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PM_TRANS_FLAG_PRINTURIS = 0x1000,
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PM_TRANS_FLAG_NEEDED = 0x2000,
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PM_TRANS_FLAG_ALLEXPLICIT = 0x4000,
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PM_TRANS_FLAG_UNNEEDED = 0x8000,
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PM_TRANS_FLAG_RECURSEALL = 0x10000
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} pmtransflag_t;
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/* Transaction Events */
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typedef enum _pmtransevt_t {
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PM_TRANS_EVT_CHECKDEPS_START = 1,
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PM_TRANS_EVT_CHECKDEPS_DONE,
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PM_TRANS_EVT_FILECONFLICTS_START,
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PM_TRANS_EVT_FILECONFLICTS_DONE,
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PM_TRANS_EVT_RESOLVEDEPS_START,
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PM_TRANS_EVT_RESOLVEDEPS_DONE,
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PM_TRANS_EVT_INTERCONFLICTS_START,
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PM_TRANS_EVT_INTERCONFLICTS_DONE,
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PM_TRANS_EVT_ADD_START,
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PM_TRANS_EVT_ADD_DONE,
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PM_TRANS_EVT_REMOVE_START,
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PM_TRANS_EVT_REMOVE_DONE,
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PM_TRANS_EVT_UPGRADE_START,
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PM_TRANS_EVT_UPGRADE_DONE,
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PM_TRANS_EVT_EXTRACT_DONE,
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PM_TRANS_EVT_INTEGRITY_START,
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PM_TRANS_EVT_INTEGRITY_DONE,
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PM_TRANS_EVT_DELTA_INTEGRITY_START,
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PM_TRANS_EVT_DELTA_INTEGRITY_DONE,
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PM_TRANS_EVT_DELTA_PATCHES_START,
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PM_TRANS_EVT_DELTA_PATCHES_DONE,
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PM_TRANS_EVT_DELTA_PATCH_START,
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PM_TRANS_EVT_DELTA_PATCH_DONE,
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PM_TRANS_EVT_DELTA_PATCH_FAILED,
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PM_TRANS_EVT_SCRIPTLET_INFO,
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PM_TRANS_EVT_PRINTURI,
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PM_TRANS_EVT_RETRIEVE_START,
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} pmtransevt_t;
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/* Transaction Conversations (ie, questions) */
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typedef enum _pmtransconv_t {
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PM_TRANS_CONV_INSTALL_IGNOREPKG = 0x01,
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PM_TRANS_CONV_REPLACE_PKG = 0x02,
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PM_TRANS_CONV_CONFLICT_PKG = 0x04,
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PM_TRANS_CONV_CORRUPTED_PKG = 0x08,
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PM_TRANS_CONV_LOCAL_NEWER = 0x10,
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/* 0x20 flag can go here */
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PM_TRANS_CONV_REMOVE_HOLDPKG = 0x40
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} pmtransconv_t;
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/* Transaction Progress */
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typedef enum _pmtransprog_t {
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PM_TRANS_PROGRESS_ADD_START,
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PM_TRANS_PROGRESS_UPGRADE_START,
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PM_TRANS_PROGRESS_REMOVE_START,
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PM_TRANS_PROGRESS_CONFLICTS_START
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} pmtransprog_t;
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/* Transaction Event callback */
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typedef void (*alpm_trans_cb_event)(pmtransevt_t, void *, void *);
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/* Transaction Conversation callback */
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typedef void (*alpm_trans_cb_conv)(pmtransconv_t, void *, void *,
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void *, int *);
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/* Transaction Progress callback */
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typedef void (*alpm_trans_cb_progress)(pmtransprog_t, const char *, int, int, int);
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pmtranstype_t alpm_trans_get_type();
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unsigned int alpm_trans_get_flags();
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alpm_list_t * alpm_trans_get_pkgs();
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int alpm_trans_init(pmtranstype_t type, pmtransflag_t flags,
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alpm_trans_cb_event cb_event, alpm_trans_cb_conv conv,
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alpm_trans_cb_progress cb_progress);
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int alpm_trans_sysupgrade(void);
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int alpm_trans_addtarget(char *target);
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int alpm_trans_prepare(alpm_list_t **data);
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int alpm_trans_commit(alpm_list_t **data);
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int alpm_trans_interrupt(void);
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int alpm_trans_release(void);
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/*
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* Dependencies and conflicts
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*/
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typedef enum _pmdepmod_t {
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PM_DEP_MOD_ANY = 1,
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PM_DEP_MOD_EQ,
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PM_DEP_MOD_GE,
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PM_DEP_MOD_LE,
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PM_DEP_MOD_GT,
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PM_DEP_MOD_LT
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} pmdepmod_t;
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int alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep);
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alpm_list_t *alpm_checkdeps(pmdb_t *db, int reversedeps,
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alpm_list_t *remove, alpm_list_t *upgrade);
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alpm_list_t *alpm_deptest(pmdb_t *db, alpm_list_t *targets);
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const char *alpm_miss_get_target(const pmdepmissing_t *miss);
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pmdepend_t *alpm_miss_get_dep(pmdepmissing_t *miss);
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const char *alpm_miss_get_causingpkg(const pmdepmissing_t *miss);
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alpm_list_t *alpm_checkdbconflicts(pmdb_t *db_local);
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const char *alpm_conflict_get_package1(pmconflict_t *conflict);
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const char *alpm_conflict_get_package2(pmconflict_t *conflict);
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pmdepmod_t alpm_dep_get_mod(const pmdepend_t *dep);
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const char *alpm_dep_get_name(const pmdepend_t *dep);
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const char *alpm_dep_get_version(const pmdepend_t *dep);
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char *alpm_dep_get_string(const pmdepend_t *dep);
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/*
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* File conflicts
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*/
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typedef enum _pmfileconflicttype_t {
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PM_FILECONFLICT_TARGET = 1,
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PM_FILECONFLICT_FILESYSTEM
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} pmfileconflicttype_t;
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const char *alpm_fileconflict_get_target(pmfileconflict_t *conflict);
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pmfileconflicttype_t alpm_fileconflict_get_type(pmfileconflict_t *conflict);
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const char *alpm_fileconflict_get_file(pmfileconflict_t *conflict);
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const char *alpm_fileconflict_get_ctarget(pmfileconflict_t *conflict);
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/*
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* Helpers
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*/
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|
|
|
/* checksums */
|
|
char *alpm_get_md5sum(const char *name);
|
|
|
|
/*
|
|
* Errors
|
|
*/
|
|
enum _pmerrno_t {
|
|
PM_ERR_MEMORY = 1,
|
|
PM_ERR_SYSTEM,
|
|
PM_ERR_BADPERMS,
|
|
PM_ERR_NOT_A_FILE,
|
|
PM_ERR_NOT_A_DIR,
|
|
PM_ERR_WRONG_ARGS,
|
|
/* Interface */
|
|
PM_ERR_HANDLE_NULL,
|
|
PM_ERR_HANDLE_NOT_NULL,
|
|
PM_ERR_HANDLE_LOCK,
|
|
/* Databases */
|
|
PM_ERR_DB_OPEN,
|
|
PM_ERR_DB_CREATE,
|
|
PM_ERR_DB_NULL,
|
|
PM_ERR_DB_NOT_NULL,
|
|
PM_ERR_DB_NOT_FOUND,
|
|
PM_ERR_DB_WRITE,
|
|
PM_ERR_DB_REMOVE,
|
|
/* Servers */
|
|
PM_ERR_SERVER_BAD_URL,
|
|
/* Transactions */
|
|
PM_ERR_TRANS_NOT_NULL,
|
|
PM_ERR_TRANS_NULL,
|
|
PM_ERR_TRANS_DUP_TARGET,
|
|
PM_ERR_TRANS_NOT_INITIALIZED,
|
|
PM_ERR_TRANS_NOT_PREPARED,
|
|
PM_ERR_TRANS_ABORT,
|
|
PM_ERR_TRANS_TYPE,
|
|
PM_ERR_TRANS_COMMITING,
|
|
PM_ERR_TRANS_DOWNLOADING,
|
|
/* Packages */
|
|
PM_ERR_PKG_NOT_FOUND,
|
|
PM_ERR_PKG_INVALID,
|
|
PM_ERR_PKG_OPEN,
|
|
PM_ERR_PKG_LOAD,
|
|
PM_ERR_PKG_CANT_FRESH,
|
|
PM_ERR_PKG_CANT_REMOVE,
|
|
PM_ERR_PKG_INVALID_NAME,
|
|
PM_ERR_PKG_REPO_NOT_FOUND,
|
|
/* Deltas */
|
|
PM_ERR_DLT_INVALID,
|
|
PM_ERR_DLT_PATCHFAILED,
|
|
/* Groups */
|
|
PM_ERR_GRP_NOT_FOUND,
|
|
/* Dependencies */
|
|
PM_ERR_UNSATISFIED_DEPS,
|
|
PM_ERR_CONFLICTING_DEPS,
|
|
PM_ERR_FILE_CONFLICTS,
|
|
/* Misc */
|
|
PM_ERR_USER_ABORT,
|
|
PM_ERR_INTERNAL_ERROR,
|
|
PM_ERR_DB_SYNC,
|
|
PM_ERR_RETRIEVE,
|
|
PM_ERR_PKG_HOLD,
|
|
PM_ERR_INVALID_REGEX,
|
|
/* External library errors */
|
|
PM_ERR_LIBARCHIVE,
|
|
PM_ERR_LIBDOWNLOAD,
|
|
PM_ERR_EXTERNAL_DOWNLOAD
|
|
};
|
|
|
|
extern enum _pmerrno_t pm_errno;
|
|
|
|
const char *alpm_strerror(int err);
|
|
const char *alpm_strerrorlast(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _ALPM_H */
|
|
|
|
/* vim: set ts=2 sw=2 noet: */
|