From 24478bd6f4883f969fd88cb978ea06afcf36939f Mon Sep 17 00:00:00 2001
From: Michael Casebolt <mikebolt@gmail.com>
Date: Tue, 3 Mar 2015 15:40:04 -0800
Subject: [PATCH] Return from mpc_ast_print_depth if NULL

Return from mpc_ast_print_depth after printing 'NULL' to avoid the potential segfault.
---
 mpc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mpc.c b/mpc.c
index d099daf..5c96ba7 100644
--- a/mpc.c
+++ b/mpc.c
@@ -2603,6 +2603,7 @@ static void mpc_ast_print_depth(mpc_ast_t *a, int d, FILE *fp) {
   
   if (a == NULL) {
     fprintf(fp, "NULL\n");
+    return;
   }
   
   for (i = 0; i < d; i++) { fprintf(fp, "  "); }