From 4c77afc17eb5447a1ae06241478afe11f7db607d Mon Sep 17 00:00:00 2001
From: Calvin Rose <calsrose@gmail.com>
Date: Mon, 16 Sep 2024 19:41:27 -0500
Subject: [PATCH] Fix #198 - Check for unintialized raw stream.

---
 src/rawterm.c            | 1 +
 test/suite-rawterm.janet | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/rawterm.c b/src/rawterm.c
index 6a35b0c..632be66 100644
--- a/src/rawterm.c
+++ b/src/rawterm.c
@@ -222,6 +222,7 @@ static void rawterm_begin(void) {
 }
 
 static void rawterm_getch(JanetBuffer *buf) {
+    if (rawterm_stream == NULL) janet_panic("call rawterm/begin to initialize");
     janet_ev_read(rawterm_stream, buf, 1);
     janet_await();
 }
diff --git a/test/suite-rawterm.janet b/test/suite-rawterm.janet
index befa1be..fcfb9f0 100644
--- a/test/suite-rawterm.janet
+++ b/test/suite-rawterm.janet
@@ -3,6 +3,8 @@
 
 (start-suite)
 
+(assert-error "issue #198" (rawterm/getch))
+
 # TODO: This tests the reduced set of codepoints based on the original set in
 # Bestline:
 # https://github.com/jart/bestline/blob/4a09bf4355c15c96526/bestline.c#L274-L287