| /* |
| 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; |
| }; |
| |
| /* 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) |