console.c: prompt to stderr

* ext/io/console/console.c (console_getpass): print prompt to
  stderr when reading from stdin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 9 deletions

diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index 629a7fbd6d..50a2975bf8 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -857,14 +857,6 @@ getpass_call(VALUE io)
     return ttymode(io, rb_io_gets, set_noecho, NULL);
 }
 
-static VALUE
-write_io(VALUE io)
-{
-    VALUE wio = rb_io_get_write_io(io);
-    if (wio == io && io == rb_stdin) wio = rb_stdout;
-    return wio;
-}
-
 static void
 prompt(int argc, VALUE *argv, VALUE io)
 {
@@ -900,7 +892,8 @@ console_getpass(int argc, VALUE *argv, VALUE io)
     VALUE str, wio;
 
     rb_check_arity(argc, 0, 1);
-    wio = write_io(io);
+    wio = rb_io_get_write_io(io);
+    if (wio == io && io == rb_stdin) wio = rb_stderr;
     prompt(argc, argv, wio);
     str = rb_ensure(getpass_call, io, puts_call, wio);
     return str_chomp(str);