1 /* Copyright (C) 1993,95,97,98,99,2000,2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Written by Ulrich Drepper <drepper@cygnus.com>.
4 Based on the single byte version by Per Bothner <bothner@cygnus.com>.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 As a special exception, if you link the code in this file with
22 files compiled with a GNU compiler to produce an executable,
23 that does not cause the resulting executable to be covered by
24 the GNU Lesser General Public License. This exception does not
25 however invalidate any other reasons why the executable file
26 might be covered by the GNU Lesser General Public License.
27 This exception applies to code released by its copyright holders
28 in files containing the exception. */
39 # define _IO_new_do_write _IO_do_write
40 # define _IO_new_file_attach _IO_file_attach
41 # define _IO_new_file_close_it _IO_file_close_it
42 # define _IO_new_file_finish _IO_file_finish
43 # define _IO_new_file_fopen _IO_file_fopen
44 # define _IO_new_file_init _IO_file_init
45 # define _IO_new_file_setbuf _IO_file_setbuf
46 # define _IO_new_file_sync _IO_file_sync
47 # define _IO_new_file_overflow _IO_file_overflow
48 # define _IO_new_file_seekoff _IO_file_seekoff
49 # define _IO_new_file_underflow _IO_file_underflow
50 # define _IO_new_file_write _IO_file_write
51 # define _IO_new_file_xsputn _IO_file_xsputn
56 _IO_wfile_setbuf (fp
, p
, len
)
61 if (_IO_wdefault_setbuf (fp
, p
, len
) == NULL
)
64 fp
->_wide_data
->_IO_write_base
= fp
->_wide_data
->_IO_write_ptr
=
65 fp
->_wide_data
->_IO_write_end
= fp
->_wide_data
->_IO_buf_base
;
66 _IO_wsetg (fp
, fp
->_wide_data
->_IO_buf_base
, fp
->_wide_data
->_IO_buf_base
,
67 fp
->_wide_data
->_IO_buf_base
);
73 /* Convert TO_DO wide character from DATA to FP.
74 Then mark FP as having empty buffers. */
76 _IO_wdo_write (fp
, data
, to_do
)
81 struct _IO_codecvt
*cc
= fp
->_codecvt
;
85 if (fp
->_IO_write_end
== fp
->_IO_write_ptr
86 && fp
->_IO_write_end
!= fp
->_IO_write_base
)
88 if (_IO_new_do_write (fp
, fp
->_IO_write_base
,
89 fp
->_IO_write_ptr
- fp
->_IO_write_base
) == EOF
)
95 enum __codecvt_result result
;
96 const wchar_t *new_data
;
98 /* Now convert from the internal format into the external buffer. */
99 result
= (*cc
->__codecvt_do_out
) (cc
, &fp
->_wide_data
->_IO_state
,
100 data
, data
+ to_do
, &new_data
,
105 /* Write out what we produced so far. */
106 if (_IO_new_do_write (fp
, fp
->_IO_write_base
,
107 fp
->_IO_write_ptr
- fp
->_IO_write_base
) == EOF
)
108 /* Something went wrong. */
111 to_do
-= new_data
- data
;
113 /* Next see whether we had problems during the conversion. If yes,
115 if (result
!= __codecvt_ok
116 && (result
!= __codecvt_partial
|| new_data
- data
== 0))
124 _IO_wsetg (fp
, fp
->_wide_data
->_IO_buf_base
, fp
->_wide_data
->_IO_buf_base
,
125 fp
->_wide_data
->_IO_buf_base
);
126 fp
->_wide_data
->_IO_write_base
= fp
->_wide_data
->_IO_write_ptr
127 = fp
->_wide_data
->_IO_buf_base
;
128 fp
->_wide_data
->_IO_write_end
= ((fp
->_flags
& (_IO_LINE_BUF
+_IO_UNBUFFERED
))
129 ? fp
->_wide_data
->_IO_buf_base
130 : fp
->_wide_data
->_IO_buf_end
);
132 return to_do
== 0 ? 0 : WEOF
;
137 _IO_wfile_underflow (fp
)
140 struct _IO_codecvt
*cd
;
141 enum __codecvt_result status
;
144 const char *read_ptr_copy
;
146 if (fp
->_flags
& _IO_NO_READS
)
148 fp
->_flags
|= _IO_ERR_SEEN
;
152 if (fp
->_wide_data
->_IO_read_ptr
< fp
->_wide_data
->_IO_read_end
)
153 return *fp
->_wide_data
->_IO_read_ptr
;
157 /* Maybe there is something left in the external buffer. */
158 if (fp
->_IO_read_ptr
< fp
->_IO_read_end
)
160 /* There is more in the external. Convert it. */
161 const char *read_stop
= (const char *) fp
->_IO_read_ptr
;
163 fp
->_wide_data
->_IO_last_state
= fp
->_wide_data
->_IO_state
;
164 status
= (*cd
->__codecvt_do_in
) (cd
, &fp
->_wide_data
->_IO_state
,
165 fp
->_IO_read_ptr
, fp
->_IO_read_end
,
167 fp
->_wide_data
->_IO_read_end
,
168 fp
->_wide_data
->_IO_buf_end
,
169 &fp
->_wide_data
->_IO_read_end
);
171 fp
->_IO_read_ptr
= (char *) read_stop
;
173 /* If we managed to generate some text return the next character. */
174 if (fp
->_wide_data
->_IO_read_ptr
< fp
->_wide_data
->_IO_read_end
)
175 return *fp
->_wide_data
->_IO_read_ptr
;
177 if (status
== __codecvt_error
)
179 __set_errno (EILSEQ
);
180 fp
->_flags
|= _IO_ERR_SEEN
;
184 /* Move the remaining content of the read buffer to the beginning. */
185 memmove (fp
->_IO_buf_base
, fp
->_IO_read_ptr
,
186 fp
->_IO_read_end
- fp
->_IO_read_ptr
);
187 fp
->_IO_read_end
= (fp
->_IO_buf_base
188 + (fp
->_IO_read_end
- fp
->_IO_read_ptr
));
189 fp
->_IO_read_base
= fp
->_IO_read_ptr
= fp
->_IO_buf_base
;
192 fp
->_IO_read_base
= fp
->_IO_read_ptr
= fp
->_IO_read_end
=
195 if (fp
->_IO_buf_base
== NULL
)
197 /* Maybe we already have a push back pointer. */
198 if (fp
->_IO_save_base
!= NULL
)
200 free (fp
->_IO_save_base
);
201 fp
->_flags
&= ~_IO_IN_BACKUP
;
205 fp
->_IO_read_base
= fp
->_IO_read_ptr
= fp
->_IO_read_end
=
209 fp
->_IO_write_base
= fp
->_IO_write_ptr
= fp
->_IO_write_end
=
212 if (fp
->_wide_data
->_IO_buf_base
== NULL
)
214 /* Maybe we already have a push back pointer. */
215 if (fp
->_wide_data
->_IO_save_base
!= NULL
)
217 free (fp
->_wide_data
->_IO_save_base
);
218 fp
->_flags
&= ~_IO_IN_BACKUP
;
220 _IO_wdoallocbuf (fp
);
223 /* Flush all line buffered files before reading. */
224 /* FIXME This can/should be moved to genops ?? */
225 if (fp
->_flags
& (_IO_LINE_BUF
|_IO_UNBUFFERED
))
228 _IO_flush_all_linebuffered ();
230 /* We used to flush all line-buffered stream. This really isn't
231 required by any standard. My recollection is that
232 traditional Unix systems did this for stdout. stderr better
233 not be line buffered. So we do just that here
234 explicitly. --drepper */
235 _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile
,
237 _IO_flockfile (_IO_stdout
);
239 if ((_IO_stdout
->_flags
& (_IO_LINKED
| _IO_NO_WRITES
| _IO_LINE_BUF
))
240 == (_IO_LINKED
| _IO_LINE_BUF
))
241 _IO_OVERFLOW (_IO_stdout
, EOF
);
243 _IO_funlockfile (_IO_stdout
);
244 _IO_cleanup_region_end (0);
248 _IO_switch_to_get_mode (fp
);
250 fp
->_wide_data
->_IO_read_base
= fp
->_wide_data
->_IO_read_ptr
=
251 fp
->_wide_data
->_IO_buf_base
;
252 fp
->_wide_data
->_IO_read_end
= fp
->_wide_data
->_IO_buf_base
;
253 fp
->_wide_data
->_IO_write_base
= fp
->_wide_data
->_IO_write_ptr
=
254 fp
->_wide_data
->_IO_write_end
= fp
->_wide_data
->_IO_buf_base
;
258 count
= _IO_SYSREAD (fp
, fp
->_IO_read_end
,
259 fp
->_IO_buf_end
- fp
->_IO_read_end
);
262 if (count
== 0 && tries
== 0)
263 fp
->_flags
|= _IO_EOF_SEEN
;
265 fp
->_flags
|= _IO_ERR_SEEN
, count
= 0;
267 fp
->_IO_read_end
+= count
;
271 /* There are some bytes in the external buffer but they don't
272 convert to anything. */
273 __set_errno (EILSEQ
);
276 if (fp
->_offset
!= _IO_pos_BAD
)
277 _IO_pos_adjust (fp
->_offset
, count
);
279 /* Now convert the read input. */
280 fp
->_wide_data
->_IO_last_state
= fp
->_wide_data
->_IO_state
;
281 fp
->_IO_read_base
= fp
->_IO_read_ptr
;
282 status
= (*cd
->__codecvt_do_in
) (cd
, &fp
->_wide_data
->_IO_state
,
283 fp
->_IO_read_ptr
, fp
->_IO_read_end
,
285 fp
->_wide_data
->_IO_read_end
,
286 fp
->_wide_data
->_IO_buf_end
,
287 &fp
->_wide_data
->_IO_read_end
);
289 fp
->_IO_read_ptr
= (char *) read_ptr_copy
;
290 if (fp
->_wide_data
->_IO_read_end
== fp
->_wide_data
->_IO_buf_base
)
292 if (status
== __codecvt_error
|| fp
->_IO_read_end
== fp
->_IO_buf_end
)
294 __set_errno (EILSEQ
);
295 fp
->_flags
|= _IO_ERR_SEEN
;
299 /* The read bytes make no complete character. Try reading again. */
300 assert (status
== __codecvt_partial
);
305 return *fp
->_wide_data
->_IO_read_ptr
;
310 _IO_wfile_overflow (f
, wch
)
314 if (f
->_flags
& _IO_NO_WRITES
) /* SET ERROR */
316 f
->_flags
|= _IO_ERR_SEEN
;
320 /* If currently reading or no buffer allocated. */
321 if ((f
->_flags
& _IO_CURRENTLY_PUTTING
) == 0)
323 /* Allocate a buffer if needed. */
324 if (f
->_wide_data
->_IO_write_base
== 0)
327 _IO_wsetg (f
, f
->_wide_data
->_IO_buf_base
,
328 f
->_wide_data
->_IO_buf_base
, f
->_wide_data
->_IO_buf_base
);
330 if (f
->_IO_write_base
== NULL
)
333 _IO_setg (f
, f
->_IO_buf_base
, f
->_IO_buf_base
, f
->_IO_buf_base
);
338 /* Otherwise must be currently reading. If _IO_read_ptr
339 (and hence also _IO_read_end) is at the buffer end,
340 logically slide the buffer forwards one block (by setting
341 the read pointers to all point at the beginning of the
342 block). This makes room for subsequent output.
343 Otherwise, set the read pointers to _IO_read_end (leaving
344 that alone, so it can continue to correspond to the
345 external position). */
346 if (f
->_wide_data
->_IO_read_ptr
== f
->_wide_data
->_IO_buf_end
)
348 f
->_IO_read_end
= f
->_IO_read_ptr
= f
->_IO_buf_base
;
349 f
->_wide_data
->_IO_read_end
= f
->_wide_data
->_IO_read_ptr
=
350 f
->_wide_data
->_IO_buf_base
;
353 f
->_wide_data
->_IO_write_ptr
= f
->_wide_data
->_IO_read_ptr
;
354 f
->_wide_data
->_IO_write_base
= f
->_wide_data
->_IO_write_ptr
;
355 f
->_wide_data
->_IO_write_end
= f
->_wide_data
->_IO_buf_end
;
356 f
->_wide_data
->_IO_read_base
= f
->_wide_data
->_IO_read_ptr
=
357 f
->_wide_data
->_IO_read_end
;
359 f
->_IO_write_ptr
= f
->_IO_read_ptr
;
360 f
->_IO_write_base
= f
->_IO_write_ptr
;
361 f
->_IO_write_end
= f
->_IO_buf_end
;
362 f
->_IO_read_base
= f
->_IO_read_ptr
= f
->_IO_read_end
;
364 f
->_flags
|= _IO_CURRENTLY_PUTTING
;
365 if (f
->_flags
& (_IO_LINE_BUF
+_IO_UNBUFFERED
))
366 f
->_wide_data
->_IO_write_end
= f
->_wide_data
->_IO_write_ptr
;
369 return _IO_do_flush (f
);
370 if (f
->_wide_data
->_IO_write_ptr
== f
->_wide_data
->_IO_buf_end
)
371 /* Buffer is really full */
372 if (_IO_do_flush (f
) == WEOF
)
374 *f
->_wide_data
->_IO_write_ptr
++ = wch
;
375 if ((f
->_flags
& _IO_UNBUFFERED
)
376 || ((f
->_flags
& _IO_LINE_BUF
) && wch
== L
'\n'))
377 if (_IO_do_flush (f
) == WEOF
)
389 /* char* ptr = cur_ptr(); */
390 if (fp
->_wide_data
->_IO_write_ptr
> fp
->_wide_data
->_IO_write_base
)
391 if (_IO_do_flush (fp
))
393 delta
= fp
->_wide_data
->_IO_read_ptr
- fp
->_wide_data
->_IO_read_end
;
396 /* We have to find out how many bytes we have to go back in the
398 struct _IO_codecvt
*cv
= fp
->_codecvt
;
401 int clen
= (*cv
->__codecvt_do_encoding
) (cv
);
404 /* It is easy, a fixed number of input bytes are used for each
409 /* We have to find out the hard way how much to back off.
410 To do this we determine how much input we needed to
411 generate the wide characters up to the current reading
415 fp
->_wide_data
->_IO_state
= fp
->_wide_data
->_IO_last_state
;
416 nread
= (*cv
->__codecvt_do_length
) (cv
, &fp
->_wide_data
->_IO_state
,
418 fp
->_IO_read_end
, delta
);
419 fp
->_IO_read_ptr
= fp
->_IO_read_base
+ nread
;
420 delta
= -(fp
->_IO_read_end
- fp
->_IO_read_base
- nread
);
423 new_pos
= _IO_SYSSEEK (fp
, delta
, 1);
424 if (new_pos
!= (_IO_off64_t
) EOF
)
426 fp
->_wide_data
->_IO_read_end
= fp
->_wide_data
->_IO_read_ptr
;
427 fp
->_IO_read_end
= fp
->_IO_read_ptr
;
430 else if (errno
== ESPIPE
)
431 ; /* Ignore error from unseekable devices. */
437 fp
->_offset
= _IO_pos_BAD
;
438 /* FIXME: Cleanup - can this be shared? */
439 /* setg(base(), ptr, ptr); */
444 _IO_wfile_seekoff (fp
, offset
, dir
, mode
)
451 _IO_off64_t delta
, new_offset
;
453 /* POSIX.1 8.2.3.7 says that after a call the fflush() the file
454 offset of the underlying file must be exact. */
455 int must_be_exact
= ((fp
->_wide_data
->_IO_read_base
456 == fp
->_wide_data
->_IO_read_end
)
457 && (fp
->_wide_data
->_IO_write_base
458 == fp
->_wide_data
->_IO_write_ptr
));
461 dir
= _IO_seek_cur
, offset
= 0; /* Don't move any pointers. */
463 /* Flush unwritten characters.
464 (This may do an unneeded write if we seek within the buffer.
465 But to be able to switch to reading, we would need to set
466 egptr to ptr. That can't be done in the current design,
467 which assumes file_ptr() is eGptr. Anyway, since we probably
468 end up flushing when we close(), it doesn't make much difference.)
469 FIXME: simulate mem-papped files. */
471 if (fp
->_wide_data
->_IO_write_ptr
> fp
->_wide_data
->_IO_write_base
472 || _IO_in_put_mode (fp
))
473 if (_IO_switch_to_wget_mode (fp
))
476 if (fp
->_wide_data
->_IO_buf_base
== NULL
)
478 /* It could be that we already have a pushback buffer. */
479 if (fp
->_wide_data
->_IO_read_base
!= NULL
)
481 free (fp
->_wide_data
->_IO_read_base
);
482 fp
->_flags
&= ~_IO_IN_BACKUP
;
485 _IO_setp (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
486 _IO_setg (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
487 _IO_wsetp (fp
, fp
->_wide_data
->_IO_buf_base
,
488 fp
->_wide_data
->_IO_buf_base
);
489 _IO_wsetg (fp
, fp
->_wide_data
->_IO_buf_base
,
490 fp
->_wide_data
->_IO_buf_base
, fp
->_wide_data
->_IO_buf_base
);
495 struct _IO_codecvt
*cv
;
499 /* Adjust for read-ahead (bytes is buffer). To do this we must
500 find out which position in the external buffer corresponds to
501 the current position in the internal buffer. */
503 clen
= (*cv
->__codecvt_do_encoding
) (cv
);
506 offset
-= (fp
->_wide_data
->_IO_read_end
507 - fp
->_wide_data
->_IO_read_ptr
) * clen
;
512 delta
= fp
->_wide_data
->_IO_read_ptr
- fp
->_wide_data
->_IO_read_end
;
513 fp
->_wide_data
->_IO_state
= fp
->_wide_data
->_IO_last_state
;
514 nread
= (*cv
->__codecvt_do_length
) (cv
, &fp
->_wide_data
->_IO_state
,
516 fp
->_IO_read_end
, delta
);
517 fp
->_IO_read_ptr
= fp
->_IO_read_base
+ nread
;
518 offset
-= fp
->_IO_read_end
- fp
->_IO_read_base
- nread
;
521 if (fp
->_offset
== _IO_pos_BAD
)
523 /* Make offset absolute, assuming current pointer is file_ptr(). */
524 offset
+= fp
->_offset
;
533 if (_IO_SYSSTAT (fp
, &st
) == 0 && S_ISREG (st
.st_mode
))
535 offset
+= st
.st_size
;
542 /* At this point, dir==_IO_seek_set. */
544 /* If we are only interested in the current position we've found it now. */
548 /* If destination is within current buffer, optimize: */
549 if (fp
->_offset
!= _IO_pos_BAD
&& fp
->_IO_read_base
!= NULL
550 && !_IO_in_backup (fp
))
552 /* Offset relative to start of main get area. */
553 _IO_off64_t rel_offset
= (offset
- fp
->_offset
554 + (fp
->_IO_read_end
- fp
->_IO_read_base
));
558 if (_IO_in_backup (fp
))
559 _IO_switch_to_main_get_area (fp
);
561 if (rel_offset
<= fp
->_IO_read_end
- fp
->_IO_read_base
)
563 fp
->_IO_read_ptr
= fp
->_IO_read_base
+ rel_offset
;
564 _IO_setp (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
566 /* Now set the pointer for the internal buffer. This
567 might be an iterative process. Though the read
568 pointer is somewhere in the current external buffer
569 this does not mean we can convert this whole buffer
570 at once fitting in the internal buffer. */
577 _IO_mask_flags (fp
, 0, _IO_EOF_SEEN
);
581 /* If we have streammarkers, seek forward by reading ahead. */
582 if (_IO_have_markers (fp
))
584 int to_skip
= rel_offset
585 - (fp
->_IO_read_ptr
- fp
->_IO_read_base
);
586 if (ignore (to_skip
) != to_skip
)
588 _IO_mask_flags (fp
, 0, _IO_EOF_SEEN
);
594 if (rel_offset
< 0 && rel_offset
>= Bbase () - Bptr ())
596 if (!_IO_in_backup (fp
))
597 _IO_switch_to_backup_area (fp
);
598 gbump (fp
->_IO_read_end
+ rel_offset
- fp
->_IO_read_ptr
);
599 _IO_mask_flags (fp
, 0, _IO_EOF_SEEN
);
606 _IO_unsave_markers (fp
);
609 if (fp
->_flags
& _IO_NO_READS
)
612 /* Try to seek to a block boundary, to improve kernel page management. */
613 new_offset
= offset
& ~(fp
->_IO_buf_end
- fp
->_IO_buf_base
- 1);
614 delta
= offset
- new_offset
;
615 if (delta
> fp
->_IO_buf_end
- fp
->_IO_buf_base
)
620 result
= _IO_SYSSEEK (fp
, new_offset
, 0);
627 count
= _IO_SYSREAD (fp
, fp
->_IO_buf_base
,
629 ? delta
: fp
->_IO_buf_end
- fp
->_IO_buf_base
));
632 /* We weren't allowed to read, but try to seek the remainder. */
633 offset
= count
== EOF
? delta
: delta
-count
;
638 _IO_setg (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
+ delta
,
639 fp
->_IO_buf_base
+ count
);
640 _IO_setp (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
641 fp
->_offset
= result
+ count
;
642 _IO_mask_flags (fp
, 0, _IO_EOF_SEEN
);
646 _IO_unsave_markers (fp
);
647 result
= _IO_SYSSEEK (fp
, offset
, dir
);
650 _IO_mask_flags (fp
, 0, _IO_EOF_SEEN
);
651 fp
->_offset
= result
;
652 _IO_setg (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
653 _IO_setp (fp
, fp
->_IO_buf_base
, fp
->_IO_buf_base
);
658 /* We need to do it since it is possible that the file offset in
659 the kernel may be changed behind our back. It may happen when
660 we fopen a file and then do a fork. One process may access the
661 the file and the kernel file offset will be changed. */
662 if (fp
->_offset
>= 0)
663 _IO_SYSSEEK (fp
, fp
->_offset
, 0);
670 _IO_wfile_xsputn (f
, data
, n
)
675 register const wchar_t *s
= (const wchar_t *) data
;
676 _IO_size_t to_do
= n
;
682 /* This is an optimized implementation.
683 If the amount to be written straddles a block boundary
684 (or the filebuf is unbuffered), use sys_write directly. */
686 /* First figure out how much space is available in the buffer. */
687 count
= f
->_wide_data
->_IO_write_end
- f
->_wide_data
->_IO_write_ptr
;
688 if ((f
->_flags
& _IO_LINE_BUF
) && (f
->_flags
& _IO_CURRENTLY_PUTTING
))
690 count
= f
->_wide_data
->_IO_buf_end
- f
->_wide_data
->_IO_write_ptr
;
693 register const wchar_t *p
;
694 for (p
= s
+ n
; p
> s
; )
705 /* Then fill the buffer. */
713 f
->_wide_data
->_IO_write_ptr
=
714 __wmempcpy (f
->_wide_data
->_IO_write_ptr
, s
, count
);
716 wmemcpy (f
->_wide_data
->_IO_write_ptr
, s
, count
);
717 f
->_wide_data
->_IO_write_ptr
+= count
;
723 register wchar_t *p
= f
->_wide_data
->_IO_write_ptr
;
724 register int i
= (int) count
;
727 f
->_wide_data
->_IO_write_ptr
= p
;
732 to_do
-= _IO_wdefault_xsputn (f
, s
, to_do
);
734 && f
->_wide_data
->_IO_write_ptr
!= f
->_wide_data
->_IO_write_base
)
735 _IO_wdo_write (f
, f
->_wide_data
->_IO_write_base
,
736 f
->_wide_data
->_IO_write_ptr
737 - f
->_wide_data
->_IO_write_base
);
743 struct _IO_jump_t _IO_wfile_jumps
=
746 JUMP_INIT(finish
, _IO_new_file_finish
),
747 JUMP_INIT(overflow
, (_IO_overflow_t
) _IO_wfile_overflow
),
748 JUMP_INIT(underflow
, (_IO_underflow_t
) _IO_wfile_underflow
),
749 JUMP_INIT(uflow
, (_IO_underflow_t
) _IO_wdefault_uflow
),
750 JUMP_INIT(pbackfail
, (_IO_pbackfail_t
) _IO_wdefault_pbackfail
),
751 JUMP_INIT(xsputn
, _IO_wfile_xsputn
),
752 JUMP_INIT(xsgetn
, _IO_file_xsgetn
),
753 JUMP_INIT(seekoff
, _IO_wfile_seekoff
),
754 JUMP_INIT(seekpos
, _IO_default_seekpos
),
755 JUMP_INIT(setbuf
, _IO_new_file_setbuf
),
756 JUMP_INIT(sync
, (_IO_sync_t
) _IO_wfile_sync
),
757 JUMP_INIT(doallocate
, _IO_wfile_doallocate
),
758 JUMP_INIT(read
, _IO_file_read
),
759 JUMP_INIT(write
, _IO_new_file_write
),
760 JUMP_INIT(seek
, _IO_file_seek
),
761 JUMP_INIT(close
, _IO_file_close
),
762 JUMP_INIT(stat
, _IO_file_stat
),
763 JUMP_INIT(showmanyc
, _IO_default_showmanyc
),
764 JUMP_INIT(imbue
, _IO_default_imbue
)