Print solutions to stderr when using -v

1 files changed, 7 insertions, 7 deletions

diff --git a/src/alg.c b/src/alg.c
index f00453d..fbe1105 100644
--- a/src/alg.c
+++ b/src/alg.c
@@ -423,7 +423,7 @@ on_inverse(Alg *alg)
 }
 
 void
-print_alg(Alg *alg, bool l)
+print_alg(FILE *out, Alg *alg, bool l)
 {
         char fill[4];
         int i;
@@ -437,25 +437,25 @@ print_alg(Alg *alg, bool l)
                 if (niss == alg->inv[i])
                         strcpy(fill, i == 0 ? "" : " ");
 
-                printf("%s%s", fill, move_string(alg->move[i]));
+                fprintf(out, "%s%s", fill, move_string(alg->move[i]));
                 niss = alg->inv[i];
         }
 
         if (niss)
-                printf(")");
+                fprintf(out, ")");
         if (l)
-                printf(" (%d)", alg->len);
+                fprintf(out, " (%d)", alg->len);
 
-        printf("\n");
+        fprintf(out, "\n");
 }
 
 void
-print_alglist(AlgList *al, bool l)
+print_alglist(FILE *out, AlgList *al, bool l)
 {
         AlgListNode *i;
 
         for (i = al->first; i != NULL; i = i->next)
-                print_alg(i->alg, l);
+                print_alg(out, i->alg, l);
 }
 
 static void