diff options
Diffstat (limited to 'ext/readline/readline.c')
-rw-r--r-- | ext/readline/readline.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index a6554a5b5..716204216 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -1,6 +1,7 @@ /* readline.c -- GNU Readline module Copyright (C) 1997-2001 Shugo Maeda */ +#include <errno.h> #include <stdio.h> #include <readline/readline.h> #include <readline/history.h> @@ -44,6 +45,8 @@ readline_readline(argc, argv, self) prompt = StringValuePtr(tmp); } + if (!isatty(0) && errno == EBADF) rb_raise(rb_eIOError, "stdin closed"); + buff = (char*)rb_protect((VALUE(*)_((VALUE)))readline, (VALUE)prompt, &status); if (status) { |