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- /*
- 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. */
-
- #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;
- };
-
- typedef struct _IO_strfile_
- {
- struct _IO_FILE _f;
- const void *_vtable;
- 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)
-