Initial revision

From-SVN: r14877

1 files changed, 68 insertions, 0 deletions

diff --git a/libio/builtinbuf.h b/libio/builtinbuf.h
new file mode 100644
index 00000000000..0e0c6e85a9e
--- /dev/null
+++ b/libio/builtinbuf.h
@@ -0,0 +1,68 @@
+/* 
+Copyright (C) 1993 Free Software Foundation
+
+This file is part of the GNU IO Library.  This library is free
+software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this library; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+#ifndef _BUILTINBUF_H
+#define _BUILTINBUF_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <streambuf.h>
+
+#if !_IO_UNIFIED_JUMPTABLES
+// A builtinbuf a a streambuf where all the virtual operations
+// call the _IO_jump_t table.
+
+extern "C++" {
+class builtinbuf : public streambuf {
+  friend ios;
+  virtual int overflow(int);
+  virtual int underflow();
+  virtual streamsize xsgetn(char *, streamsize);
+  virtual streamsize xsputn(const char *, streamsize);
+  virtual streambuf* setbuf(char*, int);
+  virtual int doallocate();
+  virtual ~builtinbuf();
+  virtual int sync();
+
+  virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
+  virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out);
+  virtual int pbackfail(int c);
+  virtual streamsize sys_read(char* buf, streamsize size);
+  virtual streampos sys_seek(streamoff, _seek_dir);
+  virtual streamsize sys_write(const char*, streamsize);
+  virtual int sys_stat(void*); // Actually, a (struct stat*)
+  virtual int sys_close();
+#if 0
+  virtual int get_column();
+  virtual int set_column(int);
+#endif
+ private:
+  builtinbuf() { }
+};
+} // extern "C++"
+#endif
+
+#endif /* _BUILTINBUF_H */