akr	2008-10-21 00:53:14 +0900 (Tue, 21 Oct 2008)

  New Revision: 19860

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=19860

  Log:
    * io.c (rb_io_ascii8bit_binmode): renamed from rb_io_binmode.
      (rb_io_binmode): don't change encoding conversion.
      (rb_io_binmode_m): call rb_io_ascii8bit_binmode.

  Modified files:
    trunk/ChangeLog
    trunk/io.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 19859)
+++ ChangeLog	(revision 19860)
@@ -1,3 +1,9 @@
+Tue Oct 21 00:51:59 2008  Tanaka Akira  <akr@f...>
+
+	* io.c (rb_io_ascii8bit_binmode): renamed from rb_io_binmode.
+	  (rb_io_binmode): don't change encoding conversion.
+	  (rb_io_binmode_m): call rb_io_ascii8bit_binmode.
+
 Mon Oct 20 21:19:00 2008  Takeyuki FUJIOKA  <xibbar@r...>
 
 	* lib/cgi/core.rb (read_multipart): file's encoding is ascii-8bit
Index: io.c
===================================================================
--- io.c	(revision 19859)
+++ io.c	(revision 19860)
@@ -3503,7 +3503,22 @@
     rb_io_t *fptr;
 
     GetOpenFile(io, fptr);
+    if (fptr->readconv)
+        rb_econv_binmode(fptr->readconv);
+    if (fptr->writeconv)
+        rb_econv_binmode(fptr->writeconv);
+    fptr->mode |= FMODE_BINMODE;
+    fptr->mode &= ~FMODE_TEXTMODE;
+    fptr->writeconv_pre_ecflags &= ~(ECONV_UNIVERSAL_NEWLINE_DECORATOR|ECONV_CRLF_NEWLINE_DECORATOR|ECONV_CR_NEWLINE_DECORATOR);
+    return io;
+}
 
+static VALUE
+rb_io_ascii8bit_binmode(VALUE io)
+{
+    rb_io_t *fptr;
+
+    GetOpenFile(io, fptr);
     if (fptr->readconv) {
         rb_econv_close(fptr->readconv);
         fptr->readconv = NULL;
@@ -3542,11 +3557,11 @@
 {
     VALUE write_io;
 
-    rb_io_binmode(io);
+    rb_io_ascii8bit_binmode(io);
 
     write_io = GetWriteIO(io);
     if (write_io != io)
-        rb_io_binmode(write_io);
+        rb_io_ascii8bit_binmode(write_io);
     return io;
 }
 

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