From fb5e83a69b86ec76ccd2b321d0628fc15e00b46c Mon Sep 17 00:00:00 2001
From: Carson McDonald <carson@ioncannon.net>
Date: Sun, 17 Feb 2013 07:23:32 -0500
Subject: Fix crash when exiting mirb using ctrl-d when compiled with readline
 support.

---
 tools/mirb/mirb.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'tools')

diff --git a/tools/mirb/mirb.c b/tools/mirb/mirb.c
index 85c3249d2..29685cf28 100644
--- a/tools/mirb/mirb.c
+++ b/tools/mirb/mirb.c
@@ -191,6 +191,10 @@ main(void)
     last_code_line[char_index] = '\0';
 #else
     char* line = readline(code_block_open ? "* " : "> ");
+    if(line == NULL) {
+      printf("\n");
+      break;
+    }
     strncat(last_code_line, line, sizeof(last_code_line)-1);
     add_history(line);
     free(line);
-- 
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