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/* apk_solver.h - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#ifndef APK_SOLVER_H
#define APK_SOLVER_H
struct apk_change {
struct apk_package *oldpkg;
struct apk_package *newpkg;
};
APK_ARRAY(apk_change_array, struct apk_change);
struct apk_changeset {
struct apk_change_array *changes;
};
#define APK_SOLVERF_UPGRADE 0x0001
#define APK_SOLVERF_AVAILABLE 0x0002
#define APK_SOLVERF_REINSTALL 0x0004
#define APK_SOLVERF_KEEP_STATE 0x8000
void apk_solver_set_name_flags(struct apk_name *name,
unsigned short solver_flags);
int apk_solver_solve(struct apk_database *db,
unsigned short solver_flags,
struct apk_dependency_array *world,
struct apk_package_array **solution,
struct apk_changeset *changeset);
void apk_solver_free(struct apk_database *db);
int apk_solver_commit_changeset(struct apk_database *db,
struct apk_changeset *changeset,
struct apk_dependency_array *world);
void apk_solver_print_errors(struct apk_database *db,
struct apk_package_array *solution,
struct apk_dependency_array *world,
int unsatisfiable);
int apk_solver_commit(struct apk_database *db,
unsigned short solver_flags,
struct apk_dependency_array *world);
#endif
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