glibc/libio/freopen.c
Ulrich Drepper 8bfae061d0 Update.
2000-09-05  Ulrich Drepper  <drepper@redhat.com>

	* libio/libio.h (_IO_fwide_maybe_incompatible): For glibc 2.0
	compatibility check for old stream and call _IO_wide in doubt.
	(_IO_fwide): Use _IO_fwide_maybe_incompatible macro.
	* libio/iofwide.c (_IO_fwide): If compatibility with glibc 2.0 is
	needed tst for such an old structure and don't do anything.
	* libio/freopen.c: Remove declaration of _IO_stdin_used.

	* soft-fp/Makefile (distribute): Add op-8.h and testit.c.
	* soft-fp/Makefile (distribute): Add the math functions, too.
	* soft-fp/Makefile (distribute): Add ChangeLog, Banner, and configure.
	* soft-fp/soft-fp.h (_FP_ROUND_ZERO): Cast 0 to void before using it
	as a statement.
	* soft-fp/sysdeps/powerpc/Makefile (routines): New file.
	* soft-fp/sysdeps/powerpc/q_*: New files.
2000-09-06 03:40:54 +00:00

58 lines
2.1 KiB
C

/* Copyright (C) 1993,95,96,97,98,2000 Free Software Foundation, Inc.
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. */
#include "libioP.h"
#include "stdio.h"
#include <shlib-compat.h>
FILE*
freopen (filename, mode, fp)
const char* filename;
const char* mode;
FILE* fp;
{
FILE *result;
CHECK_FILE (fp, NULL);
if (!(fp->_flags & _IO_IS_FILEBUF))
return NULL;
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
if (&_IO_stdin_used == NULL)
/* If the shared C library is used by the application binary which
was linked against the older version of libio, we just use the
older one even for internal use to avoid trouble since a pointer
to the old libio may be passed into shared C library and wind
up here. */
result = _IO_old_freopen (filename, mode, fp);
else
#endif
result = _IO_freopen (filename, mode, fp);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}