Fix #198 - Check for unintialized raw stream.

janet-lang · Sep 17, 2024 · 4c77afc · 4c77afc
1 parent 253a67e
commit 4c77afc
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diff --git 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
@@ -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