From ef3ea2dd898e51038989f9f762daaccb34f51715 Mon Sep 17 00:00:00 2001 From: usa Date: Tue, 20 Apr 2010 13:53:08 +0000 Subject: [PATCH] * io.c: fixed the wrong description of rdoc. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- io.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/io.c b/io.c index f72e51f23e..e78c67863e 100644 --- a/io.c +++ b/io.c @@ -6318,8 +6318,12 @@ rb_io_stdio_file(rb_io_t *fptr) * intern is the internal encoding. * fmode must be combination of the directives. See * the description of class +IO+ for a description of the directives. - * Changing reading/writing mode from the original io object is not - * supported on some platforms, e.g. Windows. + * + * When the mode of original IO is read only, the mode cannot be changed to + * be writable. Similarly, the mode cannot be changed from write only to + * readable. + * If such a wrong change is directed, timing where the error actually occurs + * is different according to the platform. * * ==== Options * opt can have the following keys