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Annotation of GNUtools/libg++/libio/builtinbuf.h, revision 1.1

1.1     ! root        1: /* 
        !             2: Copyright (C) 1993 Free Software Foundation
        !             3: 
        !             4: This file is part of the GNU IO Library.  This library is free
        !             5: software; you can redistribute it and/or modify it under the
        !             6: terms of the GNU General Public License as published by the
        !             7: Free Software Foundation; either version 2, or (at your option)
        !             8: any later version.
        !             9: 
        !            10: This library is distributed in the hope that it will be useful,
        !            11: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            13: GNU General Public License for more details.
        !            14: 
        !            15: You should have received a copy of the GNU General Public License
        !            16: along with GNU CC; see the file COPYING.  If not, write to
        !            17: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
        !            18: 
        !            19: As a special exception, if you link this library with files
        !            20: compiled with a GNU compiler to produce an executable, this does not cause
        !            21: the resulting executable to be covered by the GNU General Public License.
        !            22: This exception does not however invalidate any other reasons why
        !            23: the executable file might be covered by the GNU General Public License. */
        !            24: 
        !            25: #ifndef _BUILTINBUF_H
        !            26: #define _BUILTINBUF_H
        !            27: 
        !            28: #ifdef __GNUC__
        !            29: #pragma interface
        !            30: #pragma cplusplus
        !            31: #endif
        !            32: 
        !            33: #include <streambuf.h>
        !            34: 
        !            35: // A builtinbuf a a streambuf where all the virtual operations
        !            36: // call the _IO_jump_t table.
        !            37: 
        !            38: class builtinbuf : public streambuf {
        !            39:   friend ios;
        !            40:   virtual int overflow(int);
        !            41:   virtual int underflow();
        !            42:   virtual streamsize xsgetn(char *, streamsize);
        !            43:   virtual streamsize xsputn(const char *, streamsize);
        !            44:   virtual streambuf* setbuf(char*, int);
        !            45:   virtual int doallocate();
        !            46:   virtual ~builtinbuf();
        !            47:   virtual int sync();
        !            48: 
        !            49:   virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
        !            50:   virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out);
        !            51:   virtual int pbackfail(int c);
        !            52:   virtual streamsize sys_read(char* buf, streamsize size);
        !            53:   virtual streampos sys_seek(streamoff, _seek_dir);
        !            54:   virtual streamsize sys_write(const char*, streamsize);
        !            55:   virtual int sys_stat(void*); // Actually, a (struct stat*)
        !            56:   virtual int sys_close();
        !            57: #if 0
        !            58:   virtual int get_column();
        !            59:   virtual int set_column(int);
        !            60: #endif
        !            61:   friend const void *get_builtin_vtable();
        !            62:   static const void *vtable;
        !            63:  private:
        !            64:   builtinbuf() { }
        !            65: };
        !            66: #endif  _BUILTINBUF_H

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