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/*
* Copyright (c) 2007, Novell Inc.
*
* This program is licensed under the BSD license, read LICENSE.BSD
* for further information
*/
/*
* Generic policy interface for SAT solver
* The policy* function can be "overloaded" by defining a callback in the solver struct.
*/
#include "solver.h"
#ifdef __cplusplus
extern "C" {
#endif
#define POLICY_MODE_CHOOSE 0
#define POLICY_MODE_RECOMMEND 1
#define POLICY_MODE_SUGGEST 2
#define POLICY_MODE_CHOOSE_NOREORDER 3 /* internal, do not use */
#define POLICY_MODE_SUPPLEMENT 4 /* internal, do not use */
#define POLICY_ILLEGAL_DOWNGRADE 1
#define POLICY_ILLEGAL_ARCHCHANGE 2
#define POLICY_ILLEGAL_VENDORCHANGE 4
#define POLICY_ILLEGAL_NAMECHANGE 8
extern void policy_filter_unwanted(Solver *solv, Queue *plist, int mode);
extern int policy_illegal_archchange(Solver *solv, Solvable *s1, Solvable *s2);
extern int policy_illegal_vendorchange(Solver *solv, Solvable *s1, Solvable *s2);
extern int policy_is_illegal(Solver *solv, Solvable *s1, Solvable *s2, int ignore);
extern void policy_findupdatepackages(Solver *solv, Solvable *s, Queue *qs, int allowall);
extern const char *policy_illegal2str(Solver *solv, int illegal, Solvable *s, Solvable *rs);
extern void policy_update_recommendsmap(Solver *solv);
extern void policy_create_obsolete_index(Solver *solv);
extern void pool_best_solvables(Pool *pool, Queue *plist, int flags);
/* internal, do not use */
extern void prune_to_best_version(Pool *pool, Queue *plist);
extern void policy_prefer_favored(Solver *solv, Queue *plist);
#ifdef __cplusplus
}
#endif
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