From de74ffa67f91b4b3415eabd54ae9a2c931a88a1b Mon Sep 17 00:00:00 2001
From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
Date: Sun, 9 Nov 2008 19:29:30 +0000
Subject: [PATCH] getkey_simple() should return TERMKEY_RES_NONE if no bytes
 available; as a safety check

---
 termkey.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/termkey.c b/termkey.c
index 4e0b1ea..e36d174 100644
--- a/termkey.c
+++ b/termkey.c
@@ -359,6 +359,9 @@ static void emit_codepoint(termkey_t *tk, long codepoint, termkey_key *key)
 
 static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force)
 {
+  if(tk->buffcount == 0)
+    return tk->is_closed ? TERMKEY_RES_EOF : TERMKEY_RES_NONE;
+
   unsigned char b0 = CHARAT(0);
 
   if(b0 == 0x1b) {