From f7bdac01c245ed85e97655bb48f279183bf03557 Mon Sep 17 00:00:00 2001 From: akr Date: Mon, 18 Aug 2008 08:00:55 +0000 Subject: [PATCH] update comment. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- include/ruby/io.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/include/ruby/io.h b/include/ruby/io.h index da7589f60c..2a2b991a6d 100644 --- a/include/ruby/io.h +++ b/include/ruby/io.h @@ -48,8 +48,15 @@ typedef struct rb_io_t { int rbuf_capa; VALUE tied_io_for_writing; - rb_encoding *enc; /* int_enc if enc2. ext_enc otherwise. */ - rb_encoding *enc2; /* ext_enc if not NULL. */ + + /* + * enc enc2 read action write action + * NULL NULL force_encoding(default_external) write the byte sequence of str + * e1 NULL force_encoding(e1) convert str.encoding to e1 + * e1 e2 convert from e2 to e1 convert from e1 to e2 + */ + rb_encoding *enc; + rb_encoding *enc2; rb_econv_t *readconv; char *crbuf; /* crbuf_off + crbuf_len <= crbuf_capa */