* configure.in (RUBY_CHECK_IO_NEED_FLUSH): check whether fflush()

  is needed.

* io.c (flush_before_seek): flush before seek if buffered data
  may remain.

* io.c (rb_io_check_readable): flush if the last operation was
  write.

* io.c (rb_io_check_writable): flush if the last operation was
  read.

* rubyio.h (FMODE_RBUF): added.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/rubyio.h b/rubyio.h
index 80ad45932e..377a66b719 100644
--- a/rubyio.h
+++ b/rubyio.h
@@ -32,6 +32,7 @@ typedef struct OpenFile {
 #define FMODE_BINMODE   4
 #define FMODE_SYNC      8
 #define FMODE_WBUF     16
+#define FMODE_RBUF     32
 
 #define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)