src/solver_private.h

   1 /*
   2  * Copyright (c) 2011, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 /*
   9  * solver_private.h - private functions
  10  *
  11  */
  12
  13 #ifndef LIBSOLV_SOLVER_PRIVATE_H
  14 #define LIBSOLV_SOLVER_PRIVATE_H
  15
  16 extern void solver_run_sat(Solver *solv, int disablerules, int doweak);
  17 extern void solver_reset(Solver *solv);
  18
  19 extern int solver_dep_installed(Solver *solv, Id dep);
  20 extern int solver_splitprovides(Solver *solv, Id dep);
  21
  22 static inline int
  23 solver_dep_fulfilled(Solver *solv, Id dep)
  24 {
  25   Pool *pool = solv->pool;
  26   Id p, pp;
  27
  28   if (ISRELDEP(dep))
  29     {
  30       Reldep *rd = GETRELDEP(pool, dep);
  31       if (rd->flags == REL_AND || rd->flags == REL_COND)
  32         {
  33           if (!solver_dep_fulfilled(solv, rd->name))
  34             return 0;
  35           return solver_dep_fulfilled(solv, rd->evr);
  36         }
  37       if (rd->flags == REL_OR)
  38         {
  39           if (solver_dep_fulfilled(solv, rd->name))
  40             return 1;
  41           return solver_dep_fulfilled(solv, rd->evr);
  42         }
  43       if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES)
  44         return solver_splitprovides(solv, rd->evr);
  45       if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED)
  46         return solver_dep_installed(solv, rd->evr);
  47     }
  48   FOR_PROVIDES(p, pp, dep)
  49     {
  50       if (solv->decisionmap[p] > 0)
  51         return 1;
  52     }
  53   return 0;
  54 }
  55
  56 static inline int
  57 solver_is_supplementing(Solver *solv, Solvable *s)
  58 {
  59   Id sup, *supp;
  60   if (!s->supplements)
  61     return 0;
  62   supp = s->repo->idarraydata + s->supplements;
  63   while ((sup = *supp++) != 0)
  64     if (solver_dep_fulfilled(solv, sup))
  65       return 1;
  66   return 0;
  67 }
  68
  69 static inline int
  70 solver_is_enhancing(Solver *solv, Solvable *s)
  71 {
  72   Id enh, *enhp;
  73   if (!s->enhances)
  74     return 0;
  75   enhp = s->repo->idarraydata + s->enhances;
  76   while ((enh = *enhp++) != 0)
  77     if (solver_dep_fulfilled(solv, enh))
  78       return 1;
  79   return 0;
  80 }
  81
  82 #endif /* LIBSOLV_SOLVER_PRIVATE_H */