git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| acd1ba4c | 1 | /* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. |
| dbfcb4be BK |
2 | This file is part of the GNU IO Library. |
| 3 | ||
| 4 | This library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU General Public License as | |
| 6 | published by the Free Software Foundation; either version 2, or (at | |
| 7 | your option) any later version. | |
| 8 | ||
| 9 | This library is distributed in the hope that it will be useful, but | |
| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU General Public License | |
| 15 | along with this library; see the file COPYING. If not, write to | |
| 16 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, | |
| 17 | MA 02111-1307, 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 | |
| 21 | not cause the resulting executable to be covered by the GNU General | |
| 22 | Public License. This exception does not however invalidate any | |
| 23 | other reasons why the executable file might be covered by the GNU | |
| 24 | General Public License. */ | |
| 6599da04 JM |
25 | |
| 26 | #include <libio.h> | |
| 27 | #ifdef TODO | |
| 28 | Merge into libio.h ? | |
| 29 | #endif | |
| 30 | ||
| acd1ba4c UD |
31 | #ifndef __PMT |
| 32 | # ifdef __STDC__ | |
| 33 | # define __PMT(p) p | |
| 34 | # else | |
| 35 | # define __PMT(p) () | |
| 36 | # endif | |
| 37 | #endif /*!__P*/ | |
| 38 | ||
| 887e3058 AJ |
39 | typedef void *(*_IO_alloc_type) __PMT ((_IO_size_t)); |
| 40 | typedef void (*_IO_free_type) __PMT ((void*)); | |
| 6599da04 JM |
41 | |
| 42 | struct _IO_str_fields | |
| 43 | { | |
| 44 | _IO_alloc_type _allocate_buffer; | |
| 45 | _IO_free_type _free_buffer; | |
| 46 | }; | |
| 47 | ||
| 48 | /* This is needed for the Irix6 N32 ABI, which has a 64 bit off_t type, | |
| 49 | but a 32 bit pointer type. In this case, we get 4 bytes of padding | |
| 50 | after the vtable pointer. Putting them in a structure together solves | |
| 51 | this problem. */ | |
| 52 | ||
| 53 | struct _IO_streambuf | |
| 54 | { | |
| 55 | struct _IO_FILE _f; | |
| 56 | const void *_vtable; | |
| 57 | }; | |
| 58 | ||
| 59 | typedef struct _IO_strfile_ | |
| 60 | { | |
| 61 | struct _IO_streambuf _sbf; | |
| 62 | struct _IO_str_fields _s; | |
| 63 | } _IO_strfile; | |
| 64 | ||
| 65 | /* dynamic: set when the array object is allocated (or reallocated) as | |
| 66 | necessary to hold a character sequence that can change in length. */ | |
| 67 | #define _IO_STR_DYNAMIC(FP) ((FP)->_s._allocate_buffer != (_IO_alloc_type)0) | |
| 68 | ||
| 69 | /* frozen: set when the program has requested that the array object not | |
| 70 | be altered, reallocated, or freed. */ | |
| 71 | #define _IO_STR_FROZEN(FP) ((FP)->_f._IO_file_flags & _IO_USER_BUF) |