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c4029823 | 1 | /* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. |
28f540f4 RM |
2 | Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil, |
3 | On-Line Applications Research Corporation. | |
4 | ||
5 | This file is part of the GNU C Library. | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Library General Public License as | |
9 | published by the Free Software Foundation; either version 2 of the | |
10 | License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Library General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Library General Public | |
18 | License along with the GNU C Library; see the file COPYING.LIB. If | |
19 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
20 | Cambridge, MA 02139, USA. */ | |
21 | ||
28f540f4 RM |
22 | #include <errno.h> |
23 | #include <unistd.h> | |
24 | ||
25 | #include <stdio_lim.h> | |
26 | #include "filedesc.h" | |
27 | ||
28 | /* Close the file descriptor FD. */ | |
29 | int | |
c4029823 UD |
30 | __close (fd) |
31 | int fd; | |
28f540f4 RM |
32 | { |
33 | if ( !__FD_Is_valid( fd ) || !__FD_Table[ fd ].in_use ) | |
34 | { | |
c4029823 | 35 | __set_errno (EBADF); |
28f540f4 RM |
36 | return -1; |
37 | } | |
38 | ||
39 | __FD_Table[ fd ].in_use = 0; | |
40 | return 0; | |
41 | } | |
42 | ||
43 | ||
44 | weak_alias (__close, close) |