From d486686eb768619714328bff86be8e7711c2e967 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Feb 2005 14:18:41 +0000
Subject: [PATCH] * io.c (io_getc): flush rb_stdout before read fro stdin,
 which is   connected to a tty.  [ruby-core:4378]

* rubyio.h (FMODE_TTY): renamed from FMODE_LINEBUF.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7913 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog |  7 +++++++
 io.c      | 13 +++++++------
 rubyio.h  |  2 +-
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 4dd1fbbac9..c9ab5be542 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Mon Feb  7 23:14:11 2005  Tanaka Akira  <akr@m17n.org>
+
+	* io.c (io_getc): flush rb_stdout before read fro stdin, which is
+	  connected to a tty.  [ruby-core:4378]
+
+	* rubyio.h (FMODE_TTY): renamed from FMODE_LINEBUF.
+
 Mon Feb  7 02:13:05 2005  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* ext/socket/extconf.rb (sockaddr_storage): winsock2.h have the
diff --git a/io.c b/io.c
index fd7312270e..3331d7c6a9 100644
--- a/io.c
+++ b/io.c
@@ -485,7 +485,7 @@ io_fwrite(str, fptr)
     }
     if ((fptr->mode & FMODE_SYNC) ||
         (fptr->wbuf && fptr->wbuf_capa <= fptr->wbuf_len + len) ||
-        ((fptr->mode & FMODE_LINEBUF) && memchr(RSTRING(str)->ptr+offset, '\n', len))) {
+        ((fptr->mode & FMODE_TTY) && memchr(RSTRING(str)->ptr+offset, '\n', len))) {
         /* xxx: use writev to avoid double write if available */
         if (fptr->wbuf_len && fptr->wbuf_len+len <= fptr->wbuf_capa) {
             if (fptr->wbuf_capa < fptr->wbuf_off+fptr->wbuf_len+len) {
@@ -801,6 +801,9 @@ static int
 io_getc(OpenFile *fptr)
 {
     int r;
+    if (fptr->fd == 0 && (fptr->mode & FMODE_TTY)) {
+        rb_io_flush(rb_stdout);
+    }
     if (fptr->rbuf == NULL) {
         fptr->rbuf_off = 0;
         fptr->rbuf_len = 0;
@@ -2643,8 +2646,8 @@ rb_fdopen(fd, mode)
 static void
 io_check_tty(OpenFile *fptr)
 {
-    if ((fptr->mode & FMODE_WRITABLE) && isatty(fptr->fd))
-        fptr->mode |= FMODE_LINEBUF|FMODE_DUPLEX;
+    if (isatty(fptr->fd))
+        fptr->mode |= FMODE_TTY|FMODE_DUPLEX;
 }
 
 static VALUE
@@ -3938,9 +3941,7 @@ prep_io(fd, mode, klass, path)
     }
 #endif
     fp->mode = mode;
-    if (fp->mode & FMODE_WRITABLE) {
-        io_check_tty(fp);
-    }
+    io_check_tty(fp);
     if (path) fp->path = strdup(path);
 
     return io;
diff --git a/rubyio.h b/rubyio.h
index 7c6973f8e4..f52db7f21c 100644
--- a/rubyio.h
+++ b/rubyio.h
@@ -46,7 +46,7 @@ typedef struct OpenFile {
 #define FMODE_CREATE  128
 #define FMODE_BINMODE   4
 #define FMODE_SYNC      8
-#define FMODE_LINEBUF  16
+#define FMODE_TTY      16
 #define FMODE_DUPLEX   32
 
 #define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)