]>
Commit | Line | Data |
---|---|---|
778c59c8 | 1 | /* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc. |
a5a0310d UD |
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 | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
a5a0310d UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
a5a0310d | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
a5a0310d UD |
18 | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | /* Read NBYTES into BUF from FD at the given position OFFSET without | |
23 | changing the file pointer. Return the number read or -1. */ | |
24 | ssize_t | |
778c59c8 | 25 | __libc_pread (int fd, void *buf, size_t nbytes, off_t offset) |
a5a0310d UD |
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 | } | |
778c59c8 UD |
43 | strong_alias (__libc_pread, __pread) |
44 | weak_alias (__libc_pread, pread) | |
a5a0310d | 45 | stub_warning (pread) |
f2ea0f5b | 46 | #include <stub-tag.h> |