move free_arr() into util.c

1 files changed, 11 insertions, 0 deletions

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..436a304
--- /dev/null
+++ b/util.c
@@ -0,0 +1,11 @@
+#include <stdlib.h>
+
+#include "util.h"
+
+void
+free_arr(void **arr, int n) {
+	while (n-- > 0) {
+		free(arr[n]);
+	}
+	free(arr);
+}