+void
+pool_set_whatprovides(Pool *pool, Id id, Id providers)
+{
+ int d, nrels = pool->nrels;
+ Reldep *rd;
+ Map m;
+
+ /* set new entry */
+ if (ISRELDEP(id))
+ {
+ d = GETRELID(id);
+ pool->whatprovides_rel[d] = providers;
+ d++;
+ }
+ else
+ {
+ pool->whatprovides[id] = providers;
+ if (id < pool->whatprovidesauxoff)
+ pool->whatprovidesaux[id] = 0; /* sorry */
+ d = 1;
+ }
+ if (!pool->whatprovides_rel)
+ return;
+ /* clear cache of all rels that use it */
+ map_init(&m, 0);
+ for (rd = pool->rels + d; d < nrels; d++, rd++)
+ {
+ if (rd->name == id || rd->evr == id ||
+ (m.size && ISRELDEP(rd->name) && MAPTST(&m, GETRELID(rd->name))) ||
+ (m.size && ISRELDEP(rd->evr) && MAPTST(&m, GETRELID(rd->evr))))
+ {
+ pool->whatprovides_rel[d] = 0; /* clear cache */
+ if (!m.size)
+ map_init(&m, nrels);
+ MAPSET(&m, d);
+ }
+ }
+ map_free(&m);
+}
+