source: trunk/src/emx/include/Attic/cpp/libio.h@ 18

Last change on this file since 18 was 18, checked in by bird, 23 years ago

Initial revision
  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 10.5 KB
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1/* Copyright (C) 1991, 92, 93, 94, 95, 97, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU IO Library.
3 Written by Per Bothner <[email protected]>.
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2, or (at
8 your option) any later version.
9
10 This library is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this library; see the file COPYING. If not, write to
17 the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
18 MA 02111-1307, USA.
19
20 As a special exception, if you link this library with files
21 compiled with a GNU compiler to produce an executable, this does
22 not cause the resulting executable to be covered by the GNU General
23 Public License. This exception does not however invalidate any
24 other reasons why the executable file might be covered by the GNU
25 General Public License. */
26
27#ifndef _IO_STDIO_H
28#define _IO_STDIO_H
29
30#include <_G_confi.h>
31#define _IO_pos_t _G_fpos_t /* obsolete */
32#define _IO_fpos_t _G_fpos_t
33#define _IO_size_t _G_size_t
34#define _IO_ssize_t _G_ssize_t
35#define _IO_off_t _G_off_t
36#define _IO_pid_t _G_pid_t
37#define _IO_uid_t _G_uid_t
38#define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT
39#define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE
40#define _IO_BUFSIZ _G_BUFSIZ
41#define _IO_va_list _G_va_list
42#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
43#define _IO_fpos64_t _G_fpos64_t
44#define _IO_off64_t _G_off64_t
45#endif
46
47#ifdef _G_NEED_STDARG_H
48/* This define avoids name pollution if we're using GNU stdarg.h */
49# define __need___va_list
50# include <stdarg.h>
51# ifdef __GNUC_VA_LIST
52# undef _IO_va_list
53# define _IO_va_list __gnuc_va_list
54# endif /* __GNUC_VA_LIST */
55#endif
56
57#ifndef __P
58# if _G_HAVE_SYS_CDEFS
59# include <sys/cdefs.h>
60# else
61# ifdef __STDC__
62# define __P(protos) protos
63# else
64# define __P(protos) ()
65# endif
66# endif
67#endif /*!__P*/
68
69/* For backward compatibility */
70#ifndef _PARAMS
71# define _PARAMS(protos) __P(protos)
72#endif /*!_PARAMS*/
73
74#ifndef __STDC__
75# define const
76#endif
77#define _IO_UNIFIED_JUMPTABLES 1
78#if !_G_HAVE_PRINTF_FP
79# define _IO_USE_DTOA 1
80#endif
81
82#ifndef EOF
83# define EOF (-1)
84#endif
85#ifndef NULL
86# if defined __GNUG__ && \
87 (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
88# define NULL (__null)
89# else
90# if !defined(__cplusplus)
91# define NULL ((void*)0)
92# else
93# define NULL (0)
94# endif
95# endif
96#endif
97
98#define _IOS_INPUT 1
99#define _IOS_OUTPUT 2
100#define _IOS_ATEND 4
101#define _IOS_APPEND 8
102#define _IOS_TRUNC 16
103#define _IOS_NOCREATE 32
104#define _IOS_NOREPLACE 64
105#define _IOS_BIN 128
106
107/* Magic numbers and bits for the _flags field.
108 The magic numbers use the high-order bits of _flags;
109 the remaining bits are available for variable flags.
110 Note: The magic numbers must all be negative if stdio
111 emulation is desired. */
112
113#define _IO_MAGIC 0xFBAD0000 /* Magic number */
114#define _OLD_STDIO_MAGIC 0xFABC0000 /* Emulate old stdio. */
115#define _IO_MAGIC_MASK 0xFFFF0000
116#define _IO_USER_BUF 1 /* User owns buffer; don't delete it on close. */
117#define _IO_UNBUFFERED 2
118#define _IO_NO_READS 4 /* Reading not allowed */
119#define _IO_NO_WRITES 8 /* Writing not allowd */
120#define _IO_EOF_SEEN 0x10
121#define _IO_ERR_SEEN 0x20
122#define _IO_DELETE_DONT_CLOSE 0x40 /* Don't call close(_fileno) on cleanup. */
123#define _IO_LINKED 0x80 /* Set if linked (using _chain) to streambuf::_list_all.*/
124#define _IO_IN_BACKUP 0x100
125#define _IO_LINE_BUF 0x200
126#define _IO_TIED_PUT_GET 0x400 /* Set if put and get pointer logicly tied. */
127#define _IO_CURRENTLY_PUTTING 0x800
128#define _IO_IS_APPENDING 0x1000
129#define _IO_IS_FILEBUF 0x2000
130#define _IO_BAD_SEEN 0x4000
131
132/* These are "formatting flags" matching the iostream fmtflags enum values. */
133#define _IO_SKIPWS 01
134#define _IO_LEFT 02
135#define _IO_RIGHT 04
136#define _IO_INTERNAL 010
137#define _IO_DEC 020
138#define _IO_OCT 040
139#define _IO_HEX 0100
140#define _IO_SHOWBASE 0200
141#define _IO_SHOWPOINT 0400
142#define _IO_UPPERCASE 01000
143#define _IO_SHOWPOS 02000
144#define _IO_SCIENTIFIC 04000
145#define _IO_FIXED 010000
146#define _IO_UNITBUF 020000
147#define _IO_STDIO 040000
148#define _IO_DONT_CLOSE 0100000
149#define _IO_BOOLALPHA 0200000
150
151
152struct _IO_jump_t; struct _IO_FILE;
153
154/* Handle lock. */
155#ifdef _IO_MTSAFE_IO
156# if defined __GLIBC__ && __GLIBC__ >= 2
157# if __GLIBC_MINOR__ > 0
158# include <bits/stdio-lock.h>
159# else
160# include <stdio-lock.h>
161# endif
162# define _IO_LOCK_T _IO_lock_t *
163# else
164/*# include <comthread.h>*/
165# endif
166#else
167# if defined(__GLIBC__) && __GLIBC__ >= 2
168 typedef void _IO_lock_t;
169# define _IO_LOCK_T void *
170# else
171# ifdef __linux__
172 struct _IO_lock_t { void *ptr; short int field1; short int field2; };
173# define _IO_LOCK_T struct _IO_lock_t
174# else
175 typedef void _IO_lock_t;
176# endif
177# endif
178#endif
179
180
181/* A streammarker remembers a position in a buffer. */
182
183struct _IO_marker {
184 struct _IO_marker *_next;
185 struct _IO_FILE *_sbuf;
186 /* If _pos >= 0
187 it points to _buf->Gbase()+_pos. FIXME comment */
188 /* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */
189 int _pos;
190#if 0
191 void set_streampos(streampos sp) { _spos = sp; }
192 void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); }
193 public:
194 streammarker(streambuf *sb);
195 ~streammarker();
196 int saving() { return _spos == -2; }
197 int delta(streammarker&);
198 int delta();
199#endif
200};
201
202struct _IO_FILE {
203 int _flags; /* High-order word is _IO_MAGIC; rest is flags. */
204#define _IO_file_flags _flags
205
206 /* The following pointers correspond to the C++ streambuf protocol. */
207 /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */
208 char* _IO_read_ptr; /* Current read pointer */
209 char* _IO_read_end; /* End of get area. */
210 char* _IO_read_base; /* Start of putback+get area. */
211 char* _IO_write_base; /* Start of put area. */
212 char* _IO_write_ptr; /* Current put pointer. */
213 char* _IO_write_end; /* End of put area. */
214 char* _IO_buf_base; /* Start of reserve area. */
215 char* _IO_buf_end; /* End of reserve area. */
216 /* The following fields are used to support backing up and undo. */
217 char *_IO_save_base; /* Pointer to start of non-current get area. */
218 char *_IO_backup_base; /* Pointer to first valid character of backup area */
219 char *_IO_save_end; /* Pointer to end of non-current get area. */
220
221 struct _IO_marker *_markers;
222
223 struct _IO_FILE *_chain;
224
225 int _fileno;
226 int _blksize;
227#ifdef _G_IO_IO_FILE_VERSION
228 _IO_off_t _old_offset;
229#else
230 _IO_off_t _offset;
231#endif
232
233#define __HAVE_COLUMN /* temporary */
234 /* 1+column number of pbase(); 0 is unknown. */
235 unsigned short _cur_column;
236 char _unused;
237 char _shortbuf[1];
238
239 /* char* _save_gptr; char* _save_egptr; */
240
241#ifdef _IO_LOCK_T
242 _IO_LOCK_T _lock;
243#endif
244#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
245 _IO_off64_t _offset;
246 int _unused2[16]; /* Make sure we don't get into trouble again. */
247#endif
248};
249
250#ifndef __cplusplus
251typedef struct _IO_FILE _IO_FILE;
252#endif
253
254#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
255#define _IO_stdin_ _IO_2_1_stdin_
256#define _IO_stdout_ _IO_2_1_stdout_
257#define _IO_stderr_ _IO_2_1_stderr_
258#endif
259
260struct _IO_FILE_plus;
261extern struct _IO_FILE_plus _IO_stdin_, _IO_stdout_, _IO_stderr_;
262#define _IO_stdin ((_IO_FILE*)(&_IO_stdin_))
263#define _IO_stdout ((_IO_FILE*)(&_IO_stdout_))
264#define _IO_stderr ((_IO_FILE*)(&_IO_stderr_))
265
266
267/* Define the user-visible type, with user-friendly member names. */
268typedef struct
269{
270 _IO_ssize_t (*read) __P ((struct _IO_FILE *, void *, _IO_ssize_t));
271 _IO_ssize_t (*write) __P ((struct _IO_FILE *, const void *, _IO_ssize_t));
272 _IO_fpos_t (*seek) __P ((struct _IO_FILE *, _IO_off_t, int));
273 int (*close) __P ((struct _IO_FILE *));
274} _IO_cookie_io_functions_t;
275
276/* Special file type for fopencookie function. */
277struct _IO_cookie_file
278{
279 struct _IO_FILE file;
280 const void *vtable;
281 void *cookie;
282 _IO_cookie_io_functions_t io_functions;
283};
284
285
286#ifdef __cplusplus
287extern "C" {
288#endif
289
290extern int __underflow __P ((_IO_FILE *));
291extern int __uflow __P ((_IO_FILE *));
292extern int __overflow __P ((_IO_FILE *, int));
293
294#define _IO_getc_unlocked(_fp) \
295 ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end ? __uflow (_fp) \
296 : *(unsigned char *) (_fp)->_IO_read_ptr++)
297#define _IO_peekc_unlocked(_fp) \
298 ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end \
299 && __underflow (_fp) == EOF ? EOF \
300 : *(unsigned char *) (_fp)->_IO_read_ptr)
301
302#define _IO_putc_unlocked(_ch, _fp) \
303 (((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \
304 ? __overflow (_fp, (unsigned char) (_ch)) \
305 : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
306
307#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
308#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
309
310extern int _IO_getc __P ((_IO_FILE *__fp));
311extern int _IO_putc __P ((int __c, _IO_FILE *__fp));
312extern int _IO_feof __P ((_IO_FILE *__fp));
313extern int _IO_ferror __P ((_IO_FILE *__fp));
314
315extern int _IO_peekc_locked __P ((_IO_FILE *__fp));
316
317/* This one is for Emacs. */
318#define _IO_PENDING_OUTPUT_COUNT(_fp) \
319 ((_fp)->_IO_write_ptr - (_fp)->_IO_write_base)
320
321extern void _IO_flockfile __P ((_IO_FILE *));
322extern void _IO_funlockfile __P ((_IO_FILE *));
323extern int _IO_ftrylockfile __P ((_IO_FILE *));
324
325#ifdef _IO_MTSAFE_IO
326# define _IO_peekc(_fp) _IO_peekc_locked (_fp)
327#else
328# define _IO_peekc(_fp) _IO_peekc_unlocked (_fp)
329# define _IO_flockfile(_fp) /**/
330# define _IO_funlockfile(_fp) /**/
331# define _IO_ftrylockfile(_fp) /**/
332# define _IO_cleanup_region_start(_fct, _fp) /**/
333# define _IO_cleanup_region_end(_Doit) /**/
334#endif /* !_IO_MTSAFE_IO */
335
336
337extern int _IO_vfscanf __P ((_IO_FILE *, const char *, _IO_va_list, int *));
338extern int _IO_vfprintf __P ((_IO_FILE *, const char *, _IO_va_list));
339extern _IO_ssize_t _IO_padn __P ((_IO_FILE *, int, _IO_ssize_t));
340extern _IO_size_t _IO_sgetn __P ((_IO_FILE *, void *, _IO_size_t));
341
342#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
343extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int));
344extern _IO_fpos64_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos64_t, int));
345#else
346extern _IO_fpos_t _IO_seekoff __P ((_IO_FILE *, _IO_off_t, int, int));
347extern _IO_fpos_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos_t, int));
348#endif
349
350extern void _IO_free_backup_area __P ((_IO_FILE *));
351
352#ifdef __cplusplus
353}
354#endif
355
356#endif /* _IO_STDIO_H */
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