getkey_simple() should return TERMKEY_RES_NONE if no bytes available; as a safety check

1 files changed, 3 insertions, 0 deletions

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) {