commit d9aea458f91748aff8c7ad8b9efc3aae66376d2b
Author: Johnny Oskarsson <joskar@joskar.se>
Date:   Fri Apr 8 10:51:25 2016 +0200

    Prevent buffer overflow when reading instrument number.

diff --git a/main.c b/main.c
index a0a8ab6..4881905 100644
--- a/main.c
+++ b/main.c
@@ -302,7 +302,9 @@ run(void)
 					uint i = 0;
 					XSetForeground(dpy, gc, xfontcolor);
 
-					while (tmpkeysym != XK_Return && tmpkeysym != XK_KP_Enter) {
+					while (i < sizeof(string)-1 &&
+					       tmpkeysym != XK_Return &&
+					       tmpkeysym != XK_KP_Enter) {
 						XNextEvent(dpy, &e2);
 						char input[25] = {0};