diff options
Diffstat (limited to 'libio/stdio/freopen.c')
-rw-r--r-- | libio/stdio/freopen.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/libio/stdio/freopen.c b/libio/stdio/freopen.c index da3dc1d..ff57d60 100644 --- a/libio/stdio/freopen.c +++ b/libio/stdio/freopen.c @@ -1,14 +1,44 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 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" FILE* -freopen(filename, mode, fp) +freopen (filename, mode, fp) const char* filename; const char* mode; FILE* fp; { - CHECK_FILE(fp, NULL); + FILE *result; + CHECK_FILE (fp, NULL); if (!(fp->_flags & _IO_IS_FILEBUF)) return NULL; - return _IO_freopen(filename, mode, fp); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_freopen (filename, mode, fp); + _IO_cleanup_region_end (1); + return result; } |