From 935f4bf5b92bb066f7c1aa9fbe41b685e7677180 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Thu, 6 Apr 2017 20:42:19 +0200
Subject: mshow: render_mime: don't access invalid addresses when no output was
 generated

---
 mshow.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'mshow.c')

diff --git a/mshow.c b/mshow.c
index da553bd..fa72ebc 100644
--- a/mshow.c
+++ b/mshow.c
@@ -203,9 +203,11 @@ render_mime(int depth, struct message *msg, char *body, size_t bodylen)
 
 		if (e == 0) { // replace output
 			printf(" render=\"%s\" ---\n", cmd);
-			print_ascii(output, outlen);
-			if (output[outlen-1] != '\n')
-				putchar('\n');
+			if (outlen) {
+				print_ascii(output, outlen);
+				if (output[outlen-1] != '\n')
+					putchar('\n');
+			}
 		} else if (e == 63) { // skip filter
 			free(output);
 			goto nofilter;
-- 
cgit 1.4.1