glibc/sysdeps/standalone/close.c
2002-08-03 06:57:53 +00:00

44 lines
1.4 KiB
C

/* Copyright (C) 1994, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
On-Line Applications Research Corporation.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <unistd.h>
#define _STDIO_H
#include <bits/stdio_lim.h>
#include "filedesc.h"
/* Close the file descriptor FD. */
int
__close (fd)
int fd;
{
if ( !__FD_Is_valid( fd ) || !__FD_Table[ fd ].in_use )
{
__set_errno (EBADF);
return -1;
}
__FD_Table[ fd ].in_use = 0;
return 0;
}
libc_hidden_def (__close)
weak_alias (__close, close)