vendor/gcc/3.2.1

1 files changed, 0 insertions, 852 deletions

diff --git a/contrib/libg++/libio/genops.c b/contrib/libg++/libio/genops.c
deleted file mode 100644
index 23a6fdeaeac7..000000000000
--- a/contrib/libg++/libio/genops.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/* 
-Copyright (C) 1993, 1995 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. */
-
-/* Generic or default I/O operations. */
-
-#include "libioP.h"
-#ifdef __STDC__
-#include <stdlib.h>
-#endif
-#include <string.h>
-
-void
-DEFUN(_IO_un_link, (fp),
-      _IO_FILE *fp)
-{
-  if (fp->_flags & _IO_LINKED) {
-    _IO_FILE **f;
-    for (f = &_IO_list_all; *f != NULL; f = &(*f)->_chain) {
-      if (*f == fp) {
-	*f = fp->_chain;
-	break;
-      }
-    }
-    fp->_flags &= ~_IO_LINKED;
-  }
-}
-
-void
-DEFUN(_IO_link_in, (fp),
-      _IO_FILE *fp)
-{
-    if ((fp->_flags & _IO_LINKED) == 0) {
-	fp->_flags |= _IO_LINKED;
-	fp->_chain = _IO_list_all;
-	_IO_list_all = fp;
-    }
-}
-
-/* Return minimum _pos markers
-   Assumes the current get area is the main get area. */
-
-_IO_size_t
-DEFUN(_IO_least_marker, (fp),
-      register _IO_FILE *fp)
-{
-  _IO_ssize_t least_so_far = fp->_IO_read_end - fp->_IO_read_base;
-  register struct _IO_marker *mark;
-  for (mark = fp->_markers; mark != NULL; mark = mark->_next)
-    if (mark->_pos < least_so_far)
-      least_so_far = mark->_pos;
-  return least_so_far;
-}
-
-/* Switch current get area from backup buffer to (start of) main get area. */
-
-void
-DEFUN(_IO_switch_to_main_get_area, (fp),
-      _IO_FILE *fp)
-{
-  char *tmp;
-  fp->_flags &= ~_IO_IN_BACKUP;
-  /* Swap _IO_read_end and _IO_save_end. */
-  tmp = fp->_IO_read_end; fp->_IO_read_end= fp->_IO_save_end; fp->_IO_save_end= tmp;
-  /* Swap _IO_read_base and _IO_save_base. */
-  tmp = fp->_IO_read_base; fp->_IO_read_base = fp->_IO_save_base; fp->_IO_save_base = tmp;
-  fp->_IO_read_ptr = fp->_IO_read_base;
-}
-
-/* Switch current get area from main get area to (end of) backup area. */
-
-void
-DEFUN(_IO_switch_to_backup_area, (fp),
-     register _IO_FILE *fp)
-{
-  char *tmp;
-  fp->_flags |= _IO_IN_BACKUP;
-  /* Swap _IO_read_end and _IO_save_end. */
-  tmp = fp->_IO_read_end; fp->_IO_read_end = fp->_IO_save_end; fp->_IO_save_end = tmp;
-  /* Swap _gbase and _IO_save_base. */
-  tmp = fp->_IO_read_base; fp->_IO_read_base = fp->_IO_save_base; fp->_IO_save_base = tmp;
-  fp->_IO_read_ptr = fp->_IO_read_end;
-}
-
-int
-DEFUN(_IO_switch_to_get_mode, (fp),
-     register _IO_FILE *fp)
-{
-  if (fp->_IO_write_ptr > fp->_IO_write_base)
-    if (_IO_OVERFLOW (fp, EOF) == EOF)
-      return EOF;
-  if (_IO_in_backup(fp))
-    fp->_IO_read_base = fp->_IO_backup_base;
-  else
-    {
-      fp->_IO_read_base = fp->_IO_buf_base;
-      if (fp->_IO_write_ptr > fp->_IO_read_end)
-	fp->_IO_read_end = fp->_IO_write_ptr;
-    }
-  fp->_IO_read_ptr = fp->_IO_write_ptr;
-
-  fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end = fp->_IO_read_ptr;
-
-  fp->_flags &= ~_IO_CURRENTLY_PUTTING;
-  return 0;
-}
-
-void
-DEFUN(_IO_free_backup_area, (fp),
-     register _IO_FILE *fp)
-{
-  if (_IO_in_backup (fp))
-    _IO_switch_to_main_get_area(fp);  /* Just in case. */
-  free (fp->_IO_save_base);
-  fp->_IO_save_base = NULL;
-  fp->_IO_save_end = NULL;
-  fp->_IO_backup_base = NULL;
-}
-
-#if 0
-int
-DEFUN(_IO_switch_to_put_mode, (fp),
-      register _IO_FILE *fp)
-{
-  fp->_IO_write_base = fp->_IO_read_ptr;
-  fp->_IO_write_ptr = fp->_IO_read_ptr;
-  /* Following is wrong if line- or un-buffered? */
-  fp->_IO_write_end = fp->_flags & _IO_IN_BACKUP ? fp->_IO_read_end : fp->_IO_buf_end;
-
-  fp->_IO_read_ptr = fp->_IO_read_end;
-  fp->_IO_read_base = fp->_IO_read_end;
-
-  fp->_flags |= _IO_CURRENTLY_PUTTING;
-  return 0;
-}
-#endif
-
-int
-DEFUN(__overflow, (f, ch),
-      _IO_FILE *f AND int ch)
-{
-  return _IO_OVERFLOW (f, ch);
-}
-
-static int
-DEFUN(save_for_backup, (fp),
-      _IO_FILE *fp)
-{
-  /* Append [_IO_read_base.._IO_read_end] to backup area. */
-  int least_mark = _IO_least_marker(fp);
-  /* needed_size is how much space we need in the backup area. */
-  int needed_size = (fp->_IO_read_end - fp->_IO_read_base) - least_mark;
-  int current_Bsize = fp->_IO_save_end - fp->_IO_save_base;
-  int avail; /* Extra space available for future expansion. */
-  int delta;
-  struct _IO_marker *mark;
-  if (needed_size > current_Bsize)
-    {
-      char *new_buffer;
-      avail = 100;
-      new_buffer = (char*)malloc(avail+needed_size);
-      if (new_buffer == NULL)
-	return EOF;		/* FIXME */
-      if (least_mark < 0)
-	{
-	  memcpy(new_buffer + avail,
-		 fp->_IO_save_end + least_mark,
-		 -least_mark);
-	  memcpy(new_buffer +avail - least_mark,
-		 fp->_IO_read_base,
-		 fp->_IO_read_end - fp->_IO_read_base);
-	}
-      else
-	memcpy(new_buffer + avail,
-	       fp->_IO_read_base + least_mark,
-	       needed_size);
-      if (fp->_IO_save_base)
-	free (fp->_IO_save_base);
-      fp->_IO_save_base = new_buffer;
-      fp->_IO_save_end = new_buffer + avail + needed_size;
-    }
-  else
-    {
-      avail = current_Bsize - needed_size;
-      if (least_mark < 0)
-	{
-	  memmove(fp->_IO_save_base + avail,
-		  fp->_IO_save_end + least_mark,
-		  -least_mark);
-	  memcpy(fp->_IO_save_base + avail - least_mark,
-		 fp->_IO_read_base,
-		 fp->_IO_read_end - fp->_IO_read_base);
-	}
-      else if (needed_size > 0)
-	memcpy(fp->_IO_save_base + avail,
-	       fp->_IO_read_base + least_mark,
-	       needed_size);
-    }
-  /* FIXME: Dubious arithmetic if pointers are NULL */
-  fp->_IO_backup_base = fp->_IO_save_base + avail;
-  /* Adjust all the streammarkers. */
-  delta = fp->_IO_read_end - fp->_IO_read_base;
-  for (mark = fp->_markers; mark != NULL; mark = mark->_next)
-    mark->_pos -= delta;
-  return 0;
-}
-
-int
-DEFUN(__underflow, (fp),
-      _IO_FILE *fp)
-{
-  if (_IO_in_put_mode(fp))
-    if (_IO_switch_to_get_mode(fp) == EOF) return EOF;
-  if (fp->_IO_read_ptr < fp->_IO_read_end)
-    return *(unsigned char*)fp->_IO_read_ptr;
-  if (_IO_in_backup(fp))
-    {
-      _IO_switch_to_main_get_area(fp);
-      if (fp->_IO_read_ptr < fp->_IO_read_end)
-	return *fp->_IO_read_ptr;
-    }
-  if (_IO_have_markers(fp))
-    {
-      if (save_for_backup (fp))
-	return EOF;
-    }
-  else if (_IO_have_backup(fp))
-    _IO_free_backup_area(fp);
-  return _IO_UNDERFLOW (fp);
-}
-
-int
-DEFUN(__uflow, (fp),
-     _IO_FILE *fp)
-{
-  if (_IO_in_put_mode(fp))
-    if (_IO_switch_to_get_mode(fp) == EOF) return EOF;
-  if (fp->_IO_read_ptr < fp->_IO_read_end)
-    return *(unsigned char*)fp->_IO_read_ptr++;
-  if (_IO_in_backup(fp))
-    {
-      _IO_switch_to_main_get_area(fp);
-      if (fp->_IO_read_ptr < fp->_IO_read_end)
-	return *fp->_IO_read_ptr++;
-    }
-  if (_IO_have_markers(fp))
-    {
-      if (save_for_backup (fp))
-	return EOF;
-    }
-  else if (_IO_have_backup(fp))
-    _IO_free_backup_area(fp);
-  return _IO_UFLOW (fp);
-}
-
-void
-DEFUN(_IO_setb, (f, b, eb, a),
-      _IO_FILE *f AND char *b AND char *eb AND int a)
-{
-  if (f->_IO_buf_base && !(f->_flags & _IO_USER_BUF))
-    FREE_BUF(f->_IO_buf_base);
-  f->_IO_buf_base = b;
-  f->_IO_buf_end = eb;
-  if (a)
-    f->_flags &= ~_IO_USER_BUF;
-  else
-    f->_flags |= _IO_USER_BUF;
-}
-
-void
-DEFUN(_IO_doallocbuf, (fp),
-      register _IO_FILE *fp)
-{
-  if (fp->_IO_buf_base)
-    return;
-  if (!(fp->_flags & _IO_UNBUFFERED))
-    if (_IO_DOALLOCATE (fp) != EOF)
-      return;
-  _IO_setb(fp, fp->_shortbuf, fp->_shortbuf+1, 0);
-}
-
-int
-DEFUN(_IO_default_underflow, (fp),
-      _IO_FILE *fp)
-{
-  return EOF;
-}
-
-int
-DEFUN(_IO_default_uflow, (fp),
-      _IO_FILE *fp)
-{
-  int ch = _IO_UNDERFLOW (fp);
-  if (ch == EOF)
-    return EOF;
-  return *(unsigned char*)fp->_IO_read_ptr++;
-}
-
-_IO_size_t
-DEFUN(_IO_default_xsputn, (f, data, n),
-      register _IO_FILE *f AND const void *data AND _IO_size_t n)
-{
-  register const char *s = (char*) data;
-  register _IO_size_t more = n;
-  if (more <= 0)
-    return 0;
-  for (;;)
-    {
-      _IO_ssize_t count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */
-      if (count > 0)
-	{
-	  if (count > more)
-	    count = more;
-	  if (count > 20)
-	    {
-	      memcpy(f->_IO_write_ptr, s, count);
-	      s += count;
-	      f->_IO_write_ptr += count;
-            }
-	  else if (count <= 0)
-	    count = 0;
-	  else
-	    {
-	      register char *p = f->_IO_write_ptr;
-	      register _IO_ssize_t i;
-	      for (i = count; --i >= 0; ) *p++ = *s++;
-	      f->_IO_write_ptr = p;
-            }
-	  more -= count;
-        }
-      if (more == 0 || __overflow(f, (unsigned char)*s++) == EOF)
-	break;
-      more--;
-    }
-  return n - more;
-}
-
-_IO_size_t
-DEFUN(_IO_sgetn, (fp, data, n),
-      _IO_FILE *fp AND void *data AND _IO_size_t n)
-{
-  /* FIXME handle putback buffer here! */
-  return _IO_XSGETN (fp, data, n);
-}
-
-_IO_size_t
-DEFUN(_IO_default_xsgetn, (fp, data, n),
-      _IO_FILE *fp AND void *data AND _IO_size_t n)
-{
-  register _IO_size_t more = n;
-  register char *s = (char*) data;
-  for (;;)
-    {
-      _IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr; /* Data available. */
-      if (count > 0)
-	{
-	  if (count > more)
-	    count = more;
-	  if (count > 20)
-	    {
-	      memcpy(s, fp->_IO_read_ptr, count);
-	      s += count;
-	      fp->_IO_read_ptr += count;
-	    }
-	  else if (count <= 0)
-	    count = 0;
-	  else
-	    {
-	      register char *p = fp->_IO_read_ptr;
-	      register int i = (int)count;
-	      while (--i >= 0) *s++ = *p++;
-	      fp->_IO_read_ptr = p;
-            }
-            more -= count;
-        }
-      if (more == 0 || __underflow(fp) == EOF)
-	break;
-    }
-  return n - more;
-}
-
-int
-DEFUN(_IO_sync, (fp),
-      register _IO_FILE *fp)
-{
-  return 0;
-}
-
-_IO_FILE*
-DEFUN(_IO_default_setbuf, (fp, p, len),
-      register _IO_FILE *fp AND char* p AND _IO_ssize_t len)
-{
-    if (_IO_SYNC (fp) == EOF)
-	return NULL;
-    if (p == NULL || len == 0)
-      {
-	fp->_flags |= _IO_UNBUFFERED;
-	_IO_setb(fp, fp->_shortbuf, fp->_shortbuf+1, 0);
-      }
-    else
-      {
-	fp->_flags &= ~_IO_UNBUFFERED;
-	_IO_setb(fp, p, p+len, 0);
-      }
-    fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end = 0;
-    fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end = 0;
-    return fp;
-}
-
-_IO_pos_t
-DEFUN(_IO_default_seekpos, (fp, pos, mode),
-      _IO_FILE *fp AND _IO_pos_t pos AND int mode)
-{
-  return _IO_SEEKOFF (fp, _IO_pos_as_off(pos), 0, mode);
-}
-
-int
-DEFUN(_IO_default_doallocate, (fp),
-      _IO_FILE *fp)
-{
-  char *buf = ALLOC_BUF(_IO_BUFSIZ);
-  if (buf == NULL)
-    return EOF;
-  _IO_setb(fp, buf, buf+_IO_BUFSIZ, 1);
-  return 1;
-}
-
-void
-DEFUN(_IO_init, (fp, flags),
-      register _IO_FILE *fp AND int flags)
-{
-  fp->_flags = _IO_MAGIC|flags;
-  fp->_IO_buf_base = NULL;
-  fp->_IO_buf_end = NULL;
-  fp->_IO_read_base = NULL;
-  fp->_IO_read_ptr = NULL;
-  fp->_IO_read_end = NULL;
-  fp->_IO_write_base = NULL;
-  fp->_IO_write_ptr = NULL;
-  fp->_IO_write_end = NULL;
-  fp->_chain = NULL; /* Not necessary. */
-
-  fp->_IO_save_base = NULL;
-  fp->_IO_backup_base = NULL;
-  fp->_IO_save_end = NULL;
-  fp->_markers = NULL;
-  fp->_cur_column = 0;
-}
-
-int
-DEFUN(_IO_default_sync, (fp),
-      _IO_FILE *fp)
-{
-  return 0;
-}
-
-/* The way the C++ classes are mapped into the C functions in the
-   current implementation, this function can get called twice! */
-
-void
-DEFUN(_IO_default_finish, (fp),
-      _IO_FILE *fp)
-{
-  struct _IO_marker *mark;
-  if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF))
-    {
-      FREE_BUF(fp->_IO_buf_base);
-      fp->_IO_buf_base = fp->_IO_buf_end = NULL;
-    }
-
-  for (mark = fp->_markers; mark != NULL; mark = mark->_next)
-    mark->_sbuf = NULL;
-
-  if (fp->_IO_save_base)
-    {
-      free (fp->_IO_save_base);
-      fp->_IO_save_base = NULL;
-    }
-
-  _IO_un_link(fp);
-}
-
-_IO_pos_t
-DEFUN(_IO_default_seekoff, (fp, offset, dir, mode),
-      register _IO_FILE *fp AND _IO_off_t offset AND int dir AND int mode)
-{
-    return _IO_pos_BAD;
-}
-
-int
-DEFUN(_IO_sputbackc, (fp, c),
-      register _IO_FILE *fp AND int c)
-{
-  int result;
-  
-  if (fp->_IO_read_ptr > fp->_IO_read_base
-      && (unsigned char)fp->_IO_read_ptr[-1] == (unsigned char)c)
-    {
-      fp->_IO_read_ptr--;
-      result = (unsigned char)c;
-    }
-  else
-    result = _IO_PBACKFAIL (fp, c);
-
-  if (result != EOF)
-    fp->_flags &= ~_IO_EOF_SEEN;
-
-  return result;
-}
-
-int
-DEFUN(_IO_sungetc, (fp),
-      register _IO_FILE *fp)
-{
-  int result;
-  
-  if (fp->_IO_read_ptr > fp->_IO_read_base)
-    {
-      fp->_IO_read_ptr--;
-      result = (unsigned char)*fp->_IO_read_ptr;
-    }
-  else
-    result = _IO_PBACKFAIL (fp, EOF);
-
-  if (result != EOF)
-    fp->_flags &= ~_IO_EOF_SEEN;
-
-  return result;
-}
-
-#if 0 /* Work in progress */
-void
-DEFUN(_IO_set_column, (fp, c),
-      register _IO_FILE *fp AND int c)
-{
-  if (c == -1)
-    fp->_column = -1;
-  else
-    fp->_column = c - (fp->_IO_write_ptr - fp->_IO_write_base);
-}
-#else
-int
-DEFUN(_IO_set_column, (fp, i),
-      register _IO_FILE *fp AND int i)
-{
-  fp->_cur_column = i+1;
-  return 0;
-}
-#endif
-
-
-unsigned
-DEFUN(_IO_adjust_column, (start, line, count),
-      unsigned start AND const char *line AND int count)
-{
-  register const char *ptr = line + count;
-  while (ptr > line)
-    if (*--ptr == '\n')
-      return line + count - ptr - 1;
-  return start + count;
-}
-
-int
-DEFUN(_IO_get_column, (fp),
-      register _IO_FILE *fp)
-{
-  if (fp->_cur_column) 
-    return _IO_adjust_column(fp->_cur_column - 1,
-			      fp->_IO_write_base,
-			      fp->_IO_write_ptr - fp->_IO_write_base);
-  return -1;
-}
-
-int
-DEFUN_VOID(_IO_flush_all)
-{
-  int result = 0;
-  _IO_FILE *fp;
-  for (fp = _IO_list_all; fp != NULL; fp = fp->_chain)
-    if (fp->_IO_write_ptr > fp->_IO_write_base
-	&& _IO_OVERFLOW (fp, EOF) == EOF)
-      result = EOF;
-  return result;
-}
-
-void
-DEFUN_VOID(_IO_flush_all_linebuffered)
-{
-  _IO_FILE *fp;
-  for (fp = _IO_list_all; fp != NULL; fp = fp->_chain)
-    if (fp->_flags & _IO_LINE_BUF)
-      _IO_OVERFLOW (fp, EOF);
-}
-
-void
-DEFUN_VOID(_IO_unbuffer_all)
-{
-  _IO_FILE *fp;
-  for (fp = _IO_list_all; fp != NULL; fp = fp->_chain)
-    if (! (fp->_flags & _IO_UNBUFFERED))
-      _IO_SETBUF (fp, NULL, 0);
-}
-
-void
-DEFUN_VOID(_IO_cleanup)
-{
-  _IO_flush_all ();
-
-  /* We currently don't have a reliable mechanism for making sure that
-     C++ static destructors are executed in the correct order.
-     So it is possible that other static destructord might want to
-     write to cout - and they're supposed to be able to do so.
-
-     The following will make the standard streambufs be unbuffered, 
-     which forces any output from late destructors to be written out. */
-  _IO_unbuffer_all ();
-}
-
-void
-DEFUN(_IO_init_marker, (marker, fp),
-      struct _IO_marker *marker AND _IO_FILE *fp)
-{
-  marker->_sbuf = fp;
-  if (_IO_in_put_mode(fp))
-    _IO_switch_to_get_mode(fp);
-  if (_IO_in_backup(fp))
-    marker->_pos = fp->_IO_read_ptr - fp->_IO_read_end;
-  else
-    marker->_pos = fp->_IO_read_ptr - fp->_IO_read_base;
-  
-  /* Should perhaps sort the chain? */
-  marker->_next = fp->_markers;
-  fp->_markers = marker;
-}
-
-void
-DEFUN(_IO_remove_marker, (marker),
-      register struct _IO_marker *marker)
-{
-  /* Unlink from sb's chain. */
-  register struct _IO_marker **ptr = &marker->_sbuf->_markers;
-  for (; ; ptr = &(*ptr)->_next)
-    {
-      if (*ptr == NULL)
-	break;
-      else if (*ptr == marker)
-	{
-	  *ptr = marker->_next;
-	  return;
-	}
-    }
-#if 0
-    if _sbuf has a backup area that is no longer needed, should we delete
-    it now, or wait until the next underflow?
-#endif
-}
-
-#define BAD_DELTA EOF
-
-int
-DEFUN(_IO_marker_difference, (mark1, mark2),
-      struct _IO_marker *mark1 AND struct _IO_marker *mark2)
-{
-  return mark1->_pos - mark2->_pos;
-}
-
-/* Return difference between MARK and current posistion of MARK's stream. */
-int
-DEFUN(_IO_marker_delta, (mark),
-      struct _IO_marker *mark)
-{
-  int cur_pos;
-  if (mark->_sbuf == NULL)
-    return BAD_DELTA;
-  if (_IO_in_backup(mark->_sbuf))
-    cur_pos = mark->_sbuf->_IO_read_ptr - mark->_sbuf->_IO_read_end;
-  else
-    cur_pos = mark->_sbuf->_IO_read_ptr - mark->_sbuf->_IO_read_base;
-  return mark->_pos - cur_pos;
-}
-
-int
-DEFUN(_IO_seekmark, (fp, mark, delta),
-      _IO_FILE *fp AND struct _IO_marker *mark AND int delta)
-{
-  if (mark->_sbuf != fp)
-    return EOF;
- if (mark->_pos >= 0)
-    {
-      if (_IO_in_backup(fp))
-	_IO_switch_to_main_get_area(fp);
-      fp->_IO_read_ptr = fp->_IO_read_base + mark->_pos;
-    }
-  else
-    {
-      if (!_IO_in_backup(fp))
-	_IO_switch_to_backup_area(fp);
-      fp->_IO_read_ptr = fp->_IO_read_end + mark->_pos;
-    }
-  return 0;
-}
-
-void
-DEFUN(_IO_unsave_markers, (fp),
-     register _IO_FILE *fp)
-{
-  register struct _IO_marker *mark = fp->_markers;
-  if (mark)
-    {
-#ifdef TODO
-      streampos offset = seekoff(0, ios::cur, ios::in);
-      if (offset != EOF)
-	{
-	  offset += eGptr() - Gbase();
-	  for ( ; mark != NULL; mark = mark->_next)
-	    mark->set_streampos(mark->_pos + offset);
-	}
-    else
-      {
-	for ( ; mark != NULL; mark = mark->_next)
-	  mark->set_streampos(EOF);
-      }
-#endif
-      fp->_markers = 0;
-    }
-
-  if (_IO_have_backup(fp))
-    _IO_free_backup_area(fp);
-}
-
-int
-DEFUN(_IO_nobackup_pbackfail, (fp, c),
-     register _IO_FILE *fp AND int c)
-{
-  if (fp->_IO_read_ptr > fp->_IO_read_base)
-	fp->_IO_read_ptr--;
-  if (c != EOF && *fp->_IO_read_ptr != c)
-      *fp->_IO_read_ptr = c;
-  return (unsigned char)c;
-}
-
-int
-DEFUN(_IO_default_pbackfail, (fp, c),
-      register _IO_FILE *fp AND int c)
-{
-  if (fp->_IO_read_ptr <= fp->_IO_read_base)
-      {
-	/* Need to handle a filebuf in write mode (switch to read mode). FIXME!*/
-	if (_IO_have_backup(fp) && !_IO_in_backup(fp))
-	  _IO_switch_to_backup_area(fp);
-	
-	if (!_IO_have_backup(fp))
-	  {
-	    /* No backup buffer: allocate one. */
-	    /* Use nshort buffer, if unused? (probably not)  FIXME */
-	    int backup_size = 128;
-	    char *bbuf = (char*)malloc(backup_size);
-	    if (bbuf == NULL)
-	      return EOF;
-	    fp->_IO_save_base = bbuf;
-	    fp->_IO_save_end = fp->_IO_save_base + backup_size;
-	    fp->_IO_backup_base = fp->_IO_save_end;
-	    _IO_switch_to_backup_area(fp);
-	  }
-	else if (fp->_IO_read_ptr <= fp->_IO_read_base)
-	  {
-	    /* Increase size of existing backup buffer. */
-	    _IO_size_t new_size;
-	    _IO_size_t old_size = fp->_IO_read_end - fp->_IO_read_base;
-	    char *new_buf;
-	    new_size = 2 * old_size;
-	    new_buf = (char*)malloc(new_size);
-	    if (new_buf == NULL)
-	      return EOF;
-	    memcpy(new_buf+(new_size-old_size), fp->_IO_read_base, old_size);
-	    free (fp->_IO_read_base);
-	    _IO_setg(fp,
-		     new_buf, new_buf+(new_size-old_size), new_buf+new_size);
-	    fp->_IO_backup_base = fp->_IO_read_ptr;
-	  }
-      }
-  fp->_IO_read_ptr--;
-  if (c != EOF && *fp->_IO_read_ptr != c)
-    *fp->_IO_read_ptr = c;
-  return (unsigned char)*fp->_IO_read_ptr;
-}
-
-_IO_pos_t
-DEFUN(_IO_default_seek, (fp, offset, dir),
-      _IO_FILE *fp AND _IO_off_t offset AND int dir)
-{
-  return _IO_pos_BAD;
-}
-
-int
-DEFUN(_IO_default_stat, (fp, st),
-      _IO_FILE *fp AND void* st)
-{
-  return EOF;
-}
-
-_IO_ssize_t
-DEFUN(_IO_default_read, (fp, data, n),
-      register _IO_FILE* fp AND void* data AND _IO_ssize_t n)
-{
-  return -1;
-}
-
-_IO_ssize_t
-DEFUN(_IO_default_write, (fp, data, n),
-      register _IO_FILE* fp AND const void* data AND _IO_ssize_t n)
-{
-  return 0;
-}
-
-
-#ifdef TODO
-#if defined(linux)
-#define IO_CLEANUP ;
-#endif
-
-#ifdef IO_CLEANUP
-  IO_CLEANUP
-#else
-struct __io_defs {
-    __io_defs() { }
-    ~__io_defs() { _IO_cleanup(); }
-};   
-__io_defs io_defs__;
-#endif
-
-#endif /* TODO */