diff options
Diffstat (limited to 'contrib/libstdc++/libio/wfileops.c')
| -rw-r--r-- | contrib/libstdc++/libio/wfileops.c | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/contrib/libstdc++/libio/wfileops.c b/contrib/libstdc++/libio/wfileops.c deleted file mode 100644 index 1dd524a3ffb2..000000000000 --- a/contrib/libstdc++/libio/wfileops.c +++ /dev/null @@ -1,754 +0,0 @@ -/* Copyright (C) 1993, 95, 97, 98, 99, 2000 Free Software Foundation, Inc. - This file is part of the GNU IO Library. - Written by Ulrich Drepper <drepper@cygnus.com>. - Based on the single byte version by Per Bothner <bothner@cygnus.com>. - - 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 <assert.h> -#include <libioP.h> -#ifdef _GLIBCPP_USE_WCHAR_T -#include <wchar.h> -#ifdef HAVE_GCONV_H -# include <gconv.h> -#endif -#include <stdlib.h> -#include <string.h> - - -#ifndef _LIBC -# define _IO_new_do_write _IO_do_write -# define _IO_new_file_attach _IO_file_attach -# define _IO_new_file_close_it _IO_file_close_it -# define _IO_new_file_finish _IO_file_finish -# define _IO_new_file_fopen _IO_file_fopen -# define _IO_new_file_init _IO_file_init -# define _IO_new_file_setbuf _IO_file_setbuf -# define _IO_new_file_sync _IO_file_sync -# define _IO_new_file_overflow _IO_file_overflow -# define _IO_new_file_seekoff _IO_file_seekoff -# define _IO_new_file_underflow _IO_file_underflow -# define _IO_new_file_write _IO_file_write -# define _IO_new_file_xsputn _IO_file_xsputn -#endif - - -_IO_FILE * -_IO_wfile_setbuf (fp, p, len) - _IO_FILE *fp; - wchar_t *p; - _IO_ssize_t len; -{ - if (_IO_wdefault_setbuf (fp, p, len) == NULL) - return NULL; - - fp->_wide_data->_IO_write_base = fp->_wide_data->_IO_write_ptr = - fp->_wide_data->_IO_write_end = fp->_wide_data->_IO_buf_base; - _IO_wsetg (fp, fp->_wide_data->_IO_buf_base, fp->_wide_data->_IO_buf_base, - fp->_wide_data->_IO_buf_base); - - return fp; -} - - -/* Convert TO_DO wide character from DATA to FP. - Then mark FP as having empty buffers. */ -int -_IO_wdo_write (fp, data, to_do) - _IO_FILE *fp; - const wchar_t *data; - _IO_size_t to_do; -{ - struct _IO_codecvt *cc = fp->_codecvt; - - if (to_do > 0) - { - if (fp->_IO_write_end == fp->_IO_write_ptr - && fp->_IO_write_end != fp->_IO_write_base) - { - if (_IO_new_do_write (fp, fp->_IO_write_base, - fp->_IO_write_ptr - fp->_IO_write_base) == EOF) - return EOF; - } - - do - { - enum __codecvt_result result; - const wchar_t *new_data; - - /* Now convert from the internal format into the external buffer. */ - result = (*cc->__codecvt_do_out) (cc, &fp->_wide_data->_IO_state, - data, data + to_do, &new_data, - fp->_IO_write_ptr, - fp->_IO_buf_end, - &fp->_IO_write_ptr); - - /* Write out what we produced so far. */ - if (_IO_new_do_write (fp, fp->_IO_write_base, - fp->_IO_write_ptr - fp->_IO_write_base) == EOF) - /* Something went wrong. */ - return EOF; - - to_do -= new_data - data; - - /* Next see whether we had problems during the conversion. If yes, - we cannot go on. */ - if (result != __codecvt_ok - && (result != __codecvt_partial || new_data - data == 0)) - break; - - data = new_data; - } - while (to_do > 0); - } - - _IO_wsetg (fp, fp->_wide_data->_IO_buf_base, fp->_wide_data->_IO_buf_base, - fp->_wide_data->_IO_buf_base); - fp->_wide_data->_IO_write_base = fp->_wide_data->_IO_write_ptr - = fp->_wide_data->_IO_buf_base; - fp->_wide_data->_IO_write_end = ((fp->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED)) - ? fp->_wide_data->_IO_buf_base - : fp->_wide_data->_IO_buf_end); - - return to_do == 0 ? 0 : WEOF; -} - - -wint_t -_IO_wfile_underflow (fp) - _IO_FILE *fp; -{ - struct _IO_codecvt *cd; - enum __codecvt_result status; - _IO_ssize_t count; - int tries; - const char *read_ptr_copy; - - if (fp->_flags & _IO_NO_READS) - { - fp->_flags |= _IO_ERR_SEEN; - __set_errno (EBADF); - return WEOF; - } - if (fp->_wide_data->_IO_read_ptr < fp->_wide_data->_IO_read_end) - return *fp->_wide_data->_IO_read_ptr; - - cd = fp->_codecvt; - - /* Maybe there is something left in the external buffer. */ - if (fp->_IO_read_ptr < fp->_IO_read_end) - { - /* Convert it. */ - size_t avail_bytes = fp->_IO_read_end - fp->_IO_read_ptr; - - if (avail_bytes >= (*cd->__codecvt_do_max_length) (cd)) - { - /* There is more in the external. */ - const char *read_stop = (const char *) fp->_IO_read_ptr; - - fp->_wide_data->_IO_last_state = fp->_wide_data->_IO_state; - status = (*cd->__codecvt_do_in) (cd, &fp->_wide_data->_IO_state, - fp->_IO_read_ptr, fp->_IO_read_end, - &read_stop, - fp->_wide_data->_IO_read_end, - fp->_wide_data->_IO_buf_end, - &fp->_wide_data->_IO_read_end); - - fp->_IO_read_ptr = (char *) read_stop; - - /* If we managed to generate some text return the next character. */ - if (fp->_wide_data->_IO_read_ptr < fp->_wide_data->_IO_read_end) - return *fp->_wide_data->_IO_read_ptr; - - if (status == __codecvt_error) - { - __set_errno (EILSEQ); - fp->_flags |= _IO_ERR_SEEN; - return WEOF; - } - } - - /* Move the remaining content of the read buffer to the beginning. */ - memmove (fp->_IO_buf_base, fp->_IO_read_ptr, - fp->_IO_read_end - fp->_IO_read_ptr); - fp->_IO_read_end = (fp->_IO_buf_base - + (fp->_IO_read_end - fp->_IO_read_ptr)); - fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_buf_base; - } - else - fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end = - fp->_IO_buf_base; - - if (fp->_IO_buf_base == NULL) - { - /* Maybe we already have a push back pointer. */ - if (fp->_IO_save_base != NULL) - { - free (fp->_IO_save_base); - fp->_flags &= ~_IO_IN_BACKUP; - } - _IO_doallocbuf (fp); - - fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end = - fp->_IO_buf_base; - } - - fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end = - fp->_IO_buf_base; - - if (fp->_wide_data->_IO_buf_base == NULL) - { - /* Maybe we already have a push back pointer. */ - if (fp->_wide_data->_IO_save_base != NULL) - { - free (fp->_wide_data->_IO_save_base); - fp->_flags &= ~_IO_IN_BACKUP; - } - _IO_wdoallocbuf (fp); - } - - /* Flush all line buffered files before reading. */ - /* FIXME This can/should be moved to genops ?? */ - if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED)) - _IO_flush_all_linebuffered (); - - _IO_switch_to_get_mode (fp); - - fp->_wide_data->_IO_read_base = fp->_wide_data->_IO_read_ptr = - fp->_wide_data->_IO_buf_base; - fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_buf_base; - fp->_wide_data->_IO_write_base = fp->_wide_data->_IO_write_ptr = - fp->_wide_data->_IO_write_end = fp->_wide_data->_IO_buf_base; - - tries = 0; - again: - count = _IO_SYSREAD (fp, fp->_IO_read_end, - fp->_IO_buf_end - fp->_IO_read_end); - if (count <= 0) - { - if (count == 0 && tries == 0) - fp->_flags |= _IO_EOF_SEEN; - else - fp->_flags |= _IO_ERR_SEEN, count = 0; - } - fp->_IO_read_end += count; - if (count == 0) - { - if (tries != 0) - /* There are some bytes in the external buffer but they don't - convert to anything. */ - __set_errno (EILSEQ); - return WEOF; - } - if (fp->_offset != _IO_pos_BAD) - _IO_pos_adjust (fp->_offset, count); - - /* Now convert the read input. */ - fp->_wide_data->_IO_last_state = fp->_wide_data->_IO_state; - fp->_IO_read_base = fp->_IO_read_ptr; - status = (*cd->__codecvt_do_in) (cd, &fp->_wide_data->_IO_state, - fp->_IO_read_ptr, fp->_IO_read_end, - &read_ptr_copy, - fp->_wide_data->_IO_read_end, - fp->_wide_data->_IO_buf_end, - &fp->_wide_data->_IO_read_end); - - fp->_IO_read_ptr = (char *) read_ptr_copy; - if (fp->_wide_data->_IO_read_end == fp->_wide_data->_IO_buf_base) - { - if (status == __codecvt_error || fp->_IO_read_end == fp->_IO_buf_end) - { - __set_errno (EILSEQ); - fp->_flags |= _IO_ERR_SEEN; - return WEOF; - } - - /* The read bytes make no complete character. Try reading again. */ - assert (status == __codecvt_partial); - ++tries; - goto again; - } - - return *fp->_wide_data->_IO_read_ptr; -} - - -wint_t -_IO_wfile_overflow (f, wch) - _IO_FILE *f; - wint_t wch; -{ - if (f->_flags & _IO_NO_WRITES) /* SET ERROR */ - { - f->_flags |= _IO_ERR_SEEN; - __set_errno (EBADF); - return WEOF; - } - /* If currently reading or no buffer allocated. */ - if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0) - { - /* Allocate a buffer if needed. */ - if (f->_wide_data->_IO_write_base == 0) - { - _IO_wdoallocbuf (f); - _IO_wsetg (f, f->_wide_data->_IO_buf_base, - f->_wide_data->_IO_buf_base, f->_wide_data->_IO_buf_base); - - if (f->_IO_write_base == NULL) - { - _IO_doallocbuf (f); - _IO_setg (f, f->_IO_buf_base, f->_IO_buf_base, f->_IO_buf_base); - } - } - else - { - /* Otherwise must be currently reading. If _IO_read_ptr - (and hence also _IO_read_end) is at the buffer end, - logically slide the buffer forwards one block (by setting - the read pointers to all point at the beginning of the - block). This makes room for subsequent output. - Otherwise, set the read pointers to _IO_read_end (leaving - that alone, so it can continue to correspond to the - external position). */ - if (f->_wide_data->_IO_read_ptr == f->_wide_data->_IO_buf_end) - { - f->_IO_read_end = f->_IO_read_ptr = f->_IO_buf_base; - f->_wide_data->_IO_read_end = f->_wide_data->_IO_read_ptr = - f->_wide_data->_IO_buf_base; - } - } - f->_wide_data->_IO_write_ptr = f->_wide_data->_IO_read_ptr; - f->_wide_data->_IO_write_base = f->_wide_data->_IO_write_ptr; - f->_wide_data->_IO_write_end = f->_wide_data->_IO_buf_end; - f->_wide_data->_IO_read_base = f->_wide_data->_IO_read_ptr = - f->_wide_data->_IO_read_end; - - f->_IO_write_ptr = f->_IO_read_ptr; - f->_IO_write_base = f->_IO_write_ptr; - f->_IO_write_end = f->_IO_buf_end; - f->_IO_read_base = f->_IO_read_ptr = f->_IO_read_end; - - f->_flags |= _IO_CURRENTLY_PUTTING; - if (f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED)) - f->_wide_data->_IO_write_end = f->_wide_data->_IO_write_ptr; - } - if (wch == WEOF) - return _IO_do_flush (f); - if (f->_wide_data->_IO_write_ptr == f->_wide_data->_IO_buf_end) - /* Buffer is really full */ - if (_IO_do_flush (f) == WEOF) - return WEOF; - *f->_wide_data->_IO_write_ptr++ = wch; - if ((f->_flags & _IO_UNBUFFERED) - || ((f->_flags & _IO_LINE_BUF) && wch == L'\n')) - if (_IO_do_flush (f) == WEOF) - return WEOF; - return wch; -} - -wint_t -_IO_wfile_sync (fp) - _IO_FILE *fp; -{ - _IO_ssize_t delta; - wint_t retval = 0; - - /* char* ptr = cur_ptr(); */ - if (fp->_wide_data->_IO_write_ptr > fp->_wide_data->_IO_write_base) - if (_IO_do_flush (fp)) - return WEOF; - delta = fp->_wide_data->_IO_read_ptr - fp->_wide_data->_IO_read_end; - if (delta != 0) - { - /* We have to find out how many bytes we have to go back in the - external buffer. */ - struct _IO_codecvt *cv = fp->_codecvt; - _IO_off64_t new_pos; - - int clen = (*cv->__codecvt_do_encoding) (cv); - - if (clen > 0) - /* It is easy, a fixed number of input bytes are used for each - wide character. */ - delta *= clen; - else - { - /* We have to find out the hard way how much to back off. - To do this we determine how much input we needed to - generate the wide characters up to the current reading - position. */ - int nread; - - fp->_wide_data->_IO_state = fp->_wide_data->_IO_last_state; - nread = (*cv->__codecvt_do_length) (cv, &fp->_wide_data->_IO_state, - fp->_IO_read_base, - fp->_IO_read_end, delta); - fp->_IO_read_ptr = fp->_IO_read_base + nread; - delta = -(fp->_IO_read_end - fp->_IO_read_base - nread); - } - - new_pos = _IO_SYSSEEK (fp, delta, 1); - if (new_pos != (_IO_off64_t) EOF) - { - fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_read_ptr; - fp->_IO_read_end = fp->_IO_read_ptr; - } -#ifdef ESPIPE - else if (errno == ESPIPE) - ; /* Ignore error from unseekable devices. */ -#endif - else - retval = WEOF; - } - if (retval != WEOF) - fp->_offset = _IO_pos_BAD; - /* FIXME: Cleanup - can this be shared? */ - /* setg(base(), ptr, ptr); */ - return retval; -} - -_IO_off64_t -_IO_wfile_seekoff (fp, offset, dir, mode) - _IO_FILE *fp; - _IO_off64_t offset; - int dir; - int mode; -{ - _IO_off64_t result; - _IO_off64_t delta, new_offset; - long int count; - /* POSIX.1 8.2.3.7 says that after a call the fflush() the file - offset of the underlying file must be exact. */ - int must_be_exact = ((fp->_wide_data->_IO_read_base - == fp->_wide_data->_IO_read_end) - && (fp->_wide_data->_IO_write_base - == fp->_wide_data->_IO_write_ptr)); - - if (mode == 0) - dir = _IO_seek_cur, offset = 0; /* Don't move any pointers. */ - - /* Flush unwritten characters. - (This may do an unneeded write if we seek within the buffer. - But to be able to switch to reading, we would need to set - egptr to ptr. That can't be done in the current design, - which assumes file_ptr() is eGptr. Anyway, since we probably - end up flushing when we close(), it doesn't make much difference.) - FIXME: simulate mem-papped files. */ - - if (fp->_wide_data->_IO_write_ptr > fp->_wide_data->_IO_write_base - || _IO_in_put_mode (fp)) - if (_IO_switch_to_wget_mode (fp)) - return WEOF; - - if (fp->_wide_data->_IO_buf_base == NULL) - { - /* It could be that we already have a pushback buffer. */ - if (fp->_wide_data->_IO_read_base != NULL) - { - free (fp->_wide_data->_IO_read_base); - fp->_flags &= ~_IO_IN_BACKUP; - } - _IO_doallocbuf (fp); - _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); - _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); - _IO_wsetp (fp, fp->_wide_data->_IO_buf_base, - fp->_wide_data->_IO_buf_base); - _IO_wsetg (fp, fp->_wide_data->_IO_buf_base, - fp->_wide_data->_IO_buf_base, fp->_wide_data->_IO_buf_base); - } - - switch (dir) - { - struct _IO_codecvt *cv; - int clen; - - case _IO_seek_cur: - /* Adjust for read-ahead (bytes is buffer). To do this we must - find out which position in the external buffer corresponds to - the current position in the internal buffer. */ - cv = fp->_codecvt; - clen = (*cv->__codecvt_do_encoding) (cv); - - if (clen > 0) - offset -= (fp->_wide_data->_IO_read_end - - fp->_wide_data->_IO_read_ptr) * clen; - else - { - int nread; - - delta = fp->_wide_data->_IO_read_ptr - fp->_wide_data->_IO_read_end; - fp->_wide_data->_IO_state = fp->_wide_data->_IO_last_state; - nread = (*cv->__codecvt_do_length) (cv, &fp->_wide_data->_IO_state, - fp->_IO_read_base, - fp->_IO_read_end, delta); - fp->_IO_read_ptr = fp->_IO_read_base + nread; - offset -= fp->_IO_read_end - fp->_IO_read_base - nread; - } - - if (fp->_offset == _IO_pos_BAD) - goto dumb; - /* Make offset absolute, assuming current pointer is file_ptr(). */ - offset += fp->_offset; - - dir = _IO_seek_set; - break; - case _IO_seek_set: - break; - case _IO_seek_end: - { - struct _G_stat64 st; - if (_IO_SYSSTAT (fp, &st) == 0 && S_ISREG (st.st_mode)) - { - offset += st.st_size; - dir = _IO_seek_set; - } - else - goto dumb; - } - } - /* At this point, dir==_IO_seek_set. */ - - /* If we are only interested in the current position we've found it now. */ - if (mode == 0) - return offset; - - /* If destination is within current buffer, optimize: */ - if (fp->_offset != _IO_pos_BAD && fp->_IO_read_base != NULL - && !_IO_in_backup (fp)) - { - /* Offset relative to start of main get area. */ - _IO_off64_t rel_offset = (offset - fp->_offset - + (fp->_IO_read_end - fp->_IO_read_base)); - if (rel_offset >= 0) - { -#if 0 - if (_IO_in_backup (fp)) - _IO_switch_to_main_get_area (fp); -#endif - if (rel_offset <= fp->_IO_read_end - fp->_IO_read_base) - { - fp->_IO_read_ptr = fp->_IO_read_base + rel_offset; - _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); - - /* Now set the pointer for the internal buffer. This - might be an iterative process. Though the read - pointer is somewhere in the current external buffer - this does not mean we can convert this whole buffer - at once fitting in the internal buffer. */ - do - { - - } - while (0); - - _IO_mask_flags (fp, 0, _IO_EOF_SEEN); - goto resync; - } -#ifdef TODO - /* If we have streammarkers, seek forward by reading ahead. */ - if (_IO_have_markers (fp)) - { - int to_skip = rel_offset - - (fp->_IO_read_ptr - fp->_IO_read_base); - if (ignore (to_skip) != to_skip) - goto dumb; - _IO_mask_flags (fp, 0, _IO_EOF_SEEN); - goto resync; - } -#endif - } -#ifdef TODO - if (rel_offset < 0 && rel_offset >= Bbase () - Bptr ()) - { - if (!_IO_in_backup (fp)) - _IO_switch_to_backup_area (fp); - gbump (fp->_IO_read_end + rel_offset - fp->_IO_read_ptr); - _IO_mask_flags (fp, 0, _IO_EOF_SEEN); - goto resync; - } -#endif - } - -#ifdef TODO - _IO_unsave_markers (fp); -#endif - - if (fp->_flags & _IO_NO_READS) - goto dumb; - - /* Try to seek to a block boundary, to improve kernel page management. */ - new_offset = offset & ~(fp->_IO_buf_end - fp->_IO_buf_base - 1); - delta = offset - new_offset; - if (delta > fp->_IO_buf_end - fp->_IO_buf_base) - { - new_offset = offset; - delta = 0; - } - result = _IO_SYSSEEK (fp, new_offset, 0); - if (result < 0) - return EOF; - if (delta == 0) - count = 0; - else - { - count = _IO_SYSREAD (fp, fp->_IO_buf_base, - (must_be_exact - ? delta : fp->_IO_buf_end - fp->_IO_buf_base)); - if (count < delta) - { - /* We weren't allowed to read, but try to seek the remainder. */ - offset = count == EOF ? delta : delta-count; - dir = _IO_seek_cur; - goto dumb; - } - } - _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + delta, - fp->_IO_buf_base + count); - _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); - fp->_offset = result + count; - _IO_mask_flags (fp, 0, _IO_EOF_SEEN); - return offset; - dumb: - - _IO_unsave_markers (fp); - result = _IO_SYSSEEK (fp, offset, dir); - if (result != EOF) - { - _IO_mask_flags (fp, 0, _IO_EOF_SEEN); - fp->_offset = result; - _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); - _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); - } - return result; - -resync: - /* We need to do it since it is possible that the file offset in - the kernel may be changed behind our back. It may happen when - we fopen a file and then do a fork. One process may access the - the file and the kernel file offset will be changed. */ - if (fp->_offset >= 0) - _IO_SYSSEEK (fp, fp->_offset, 0); - - return offset; -} - - -_IO_size_t -_IO_wfile_xsputn (f, data, n) - _IO_FILE *f; - const void *data; - _IO_size_t n; -{ - register const wchar_t *s = (const wchar_t *) data; - _IO_size_t to_do = n; - int must_flush = 0; - _IO_size_t count; - - if (n <= 0) - return 0; - /* This is an optimized implementation. - If the amount to be written straddles a block boundary - (or the filebuf is unbuffered), use sys_write directly. */ - - /* First figure out how much space is available in the buffer. */ - count = f->_wide_data->_IO_write_end - f->_wide_data->_IO_write_ptr; - if ((f->_flags & _IO_LINE_BUF) && (f->_flags & _IO_CURRENTLY_PUTTING)) - { - count = f->_wide_data->_IO_buf_end - f->_wide_data->_IO_write_ptr; - if (count >= n) - { - register const wchar_t *p; - for (p = s + n; p > s; ) - { - if (*--p == L'\n') - { - count = p - s + 1; - must_flush = 1; - break; - } - } - } - } - /* Then fill the buffer. */ - if (count > 0) - { - if (count > to_do) - count = to_do; - if (count > 20) - { -#ifdef _LIBC - f->_wide_data->_IO_write_ptr = - __wmempcpy (f->_wide_data->_IO_write_ptr, s, count); -#else - wmemcpy (f->_wide_data->_IO_write_ptr, s, count); - f->_wide_data->_IO_write_ptr += count; -#endif - s += count; - } - else - { - register wchar_t *p = f->_wide_data->_IO_write_ptr; - register int i = (int) count; - while (--i >= 0) - *p++ = *s++; - f->_wide_data->_IO_write_ptr = p; - } - to_do -= count; - } - if (to_do > 0) - to_do -= _IO_wdefault_xsputn (f, s, to_do); - if (must_flush - && f->_wide_data->_IO_write_ptr != f->_wide_data->_IO_write_base) - _IO_wdo_write (f, f->_wide_data->_IO_write_base, - f->_wide_data->_IO_write_ptr - - f->_wide_data->_IO_write_base); - - return n - to_do; -} - - -struct _IO_jump_t _IO_wfile_jumps = -{ - JUMP_INIT_DUMMY, - JUMP_INIT(finish, _IO_new_file_finish), - JUMP_INIT(overflow, (_IO_overflow_t) _IO_wfile_overflow), - JUMP_INIT(underflow, (_IO_underflow_t) _IO_wfile_underflow), - JUMP_INIT(uflow, (_IO_underflow_t) _IO_wdefault_uflow), - JUMP_INIT(pbackfail, (_IO_pbackfail_t) _IO_wdefault_pbackfail), - JUMP_INIT(xsputn, _IO_wfile_xsputn), - JUMP_INIT(xsgetn, _IO_file_xsgetn), - JUMP_INIT(seekoff, _IO_wfile_seekoff), - JUMP_INIT(seekpos, _IO_default_seekpos), - JUMP_INIT(setbuf, _IO_new_file_setbuf), - JUMP_INIT(sync, (_IO_sync_t) _IO_wfile_sync), - JUMP_INIT(doallocate, _IO_wfile_doallocate), - JUMP_INIT(read, _IO_file_read), - JUMP_INIT(write, _IO_new_file_write), - JUMP_INIT(seek, _IO_file_seek), - JUMP_INIT(close, _IO_file_close), - JUMP_INIT(stat, _IO_file_stat), - JUMP_INIT(showmanyc, _IO_default_showmanyc), - JUMP_INIT(imbue, _IO_default_imbue) -}; - -#endif /* _GLIBCPP_USE_WCHAR_T */ |