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1 | /* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
18 | ||
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | /* Write NBYTES of BUF to FD at given position OFFSET without changing | |
23 | the file position. Return the number written, or -1. */ | |
24 | ssize_t | |
25 | pwrite (int fd, const void *buf, size_t nbytes, off_t offset) | |
26 | { | |
27 | if (nbytes == 0) | |
28 | return 0; | |
29 | if (fd < 0) | |
30 | { | |
31 | __set_errno (EBADF); | |
32 | return -1; | |
33 | } | |
34 | if (buf == NULL || offset < 0) | |
35 | { | |
36 | __set_errno (EINVAL); | |
37 | return -1; | |
38 | } | |
39 | ||
40 | __set_errno (ENOSYS); | |
41 | return -1; | |
42 | } | |
43 | stub_warning (pwrite) | |
f2ea0f5b | 44 | #include <stub-tag.h> |