strfile.h
资源名称:Vc_STL.rar [点击查看]
上传用户:sichengcw
上传日期:2009-02-17
资源大小:202k
文件大小:2k
源码类别:
STL
开发平台:
Visual C++
- /* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
- 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. */
- #include <libio.h>
- #ifdef TODO
- Merge into libio.h ?
- #endif
- typedef void *(*_IO_alloc_type) __P ((_IO_size_t));
- typedef void (*_IO_free_type) __P ((void*));
- struct _IO_str_fields
- {
- _IO_alloc_type _allocate_buffer;
- _IO_free_type _free_buffer;
- };
- /* This is needed for the Irix6 N32 ABI, which has a 64 bit off_t type,
- but a 32 bit pointer type. In this case, we get 4 bytes of padding
- after the vtable pointer. Putting them in a structure together solves
- this problem. */
- struct _IO_streambuf
- {
- struct _IO_FILE _f;
- const void *_vtable;
- };
- typedef struct _IO_strfile_
- {
- struct _IO_streambuf _sbf;
- struct _IO_str_fields _s;
- } _IO_strfile;
- /* dynamic: set when the array object is allocated (or reallocated) as
- necessary to hold a character sequence that can change in length. */
- #define _IO_STR_DYNAMIC(FP) ((FP)->_s._allocate_buffer != (_IO_alloc_type)0)
- /* frozen: set when the program has requested that the array object not
- be altered, reallocated, or freed. */
- #define _IO_STR_FROZEN(FP) ((FP)->_f._IO_file_flags & _IO_USER_BUF)