patch 8.1.0158: GUI: input() fails if CTRL-C was pressed before commit https://github.com/vim/vim/commit/1ebff3dc93b6d022ccfe0613c1d1ee2d62fc7935 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 7 16:18:13 2018 +0200 patch 8.1.0158: GUI: input() fails if CTRL-C was pressed before Problem: GUI: input() fails if CTRL-C was pressed before. (Michael Naumann) Solution: call vpeekc() to drop the CTRL-C from the input stream.

--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -9157,6 +9157,11 @@ do_sleep(long msec)
 	parse_queued_messages();
 #endif
     }
+
+    // If CTRL-C was typed to interrupt the sleep, drop the CTRL-C from the
+    // input buffer, otherwise a following call to input() fails.
+    if (got_int)
+	(void)vpeekc();
 }
 
     static void