add problem2str() convenience function to API

diff --git a/bindings/solv.i b/bindings/solv.i
index 77d744a..1f9259b 100644 (file)
--- a/bindings/solv.i
+++ b/bindings/solv.i
@@ -2400,12 +2400,7 @@ rb_eval_string(
   %rename("str") __str__;
 #endif
   const char *__str__() {
-    Id type, source, target, dep;
-    Id r = solver_findproblemrule($self->solv, $self->id);
-    if (!r)
-      return "";
-    type = solver_ruleinfo($self->solv, r, &source, &target, &dep);
-    return solver_problemruleinfo2str($self->solv, type, source, target, dep);
+    return solver_problem2str($self->solv, $self->id);
   }
 }
 

diff --git a/src/libsolv.ver b/src/libsolv.ver
index a902591..4be79f9 100644 (file)
--- a/src/libsolv.ver
+++ b/src/libsolv.ver
@@ -353,6 +353,7 @@ SOLV_1.0 {
                solver_printsolution;
                solver_printtrivial;
                solver_printwatches;
+               solver_problem2str;
                solver_problem_count;
                solver_problemruleinfo2str;
                solver_rule2job;

diff --git a/src/problems.c b/src/problems.c
index fa2c31b..44d0c21 100644 (file)
--- a/src/problems.c
+++ b/src/problems.c
@@ -1103,6 +1103,18 @@ solver_problemruleinfo2str(Solver *solv, SolverRuleinfo type, Id source, Id targ
     }
 }
 
+/* convenience function */
+const char *
+solver_problem2str(Solver *solv, Id problem)
+{
+  Id type, source, target, dep;
+  Id r = solver_findproblemrule(solv, problem);
+  if (!r)
+    return "no problem rule?";
+  type = solver_ruleinfo(solv, r, &source, &target, &dep);
+  return solver_problemruleinfo2str(solv, type, source, target, dep);
+}
+
 const char *
 solver_solutionelement2str(Solver *solv, Id p, Id rp)
 {

diff --git a/src/problems.h b/src/problems.h
index b2b7053..e5b2279 100644 (file)
--- a/src/problems.h
+++ b/src/problems.h
@@ -48,6 +48,7 @@ Id solver_findproblemrule(struct _Solver *solv, Id problem);
 void solver_findallproblemrules(struct _Solver *solv, Id problem, Queue *rules);
 
 extern const char *solver_problemruleinfo2str(struct _Solver *solv, SolverRuleinfo type, Id source, Id target, Id dep);
+extern const char *solver_problem2str(struct _Solver *solv, Id problem);
 extern const char *solver_solutionelement2str(struct _Solver *solv, Id p, Id rp);
 
 #ifdef __cplusplus