nobu	2015-12-06 15:30:11 +0900 (Sun, 06 Dec 2015)

  New Revision: 52903

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52903

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

  Modified files:
    trunk/ext/io/console/console.c
Index: ext/io/console/console.c
===================================================================
--- ext/io/console/console.c	(revision 52902)
+++ ext/io/console/console.c	(revision 52903)
@@ -857,14 +857,6 @@ getpass_call(VALUE io) https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L857
     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, V https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L892
     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);

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