Free the valve input regex on exit

1 files changed, 3 insertions, 0 deletions

diff --git a/16.c b/16.c
index 79b15de..a36810c 100644
--- a/16.c
+++ b/16.c
@@ -248,6 +248,7 @@ main(int argc, char ** argv)
 			break;
 
 		default:
+			regfree(&valvein);
 			return -1;
 		}
 	}
@@ -294,6 +295,7 @@ main(int argc, char ** argv)
 		for (v = valves; v < valves + nvalves; ++v)
 			valve_dtor(v);
 		free(valves);
+		regfree(&valvein);
 		return -1;
 	}
 
@@ -354,6 +356,7 @@ main(int argc, char ** argv)
 	for (v = valves; v < valves + nvalves; ++v)
 		valve_dtor(v);
 	free(valves);
+	regfree(&valvein);
 
 	return 0;
 }