]>
Commit | Line | Data |
---|---|---|
c4029823 | 1 | /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc. |
28f540f4 RM |
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 | |
16 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
17 | Cambridge, MA 02139, USA. */ | |
18 | ||
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <unistd.h> | |
21 | #include <stddef.h> | |
22 | ||
23 | /* Read NBYTES into BUF from FD. Return the number read or -1. */ | |
24 | ssize_t | |
c4029823 | 25 | __libc_read (int fd, void *buf, size_t nbytes) |
28f540f4 RM |
26 | { |
27 | if (nbytes == 0) | |
28 | return 0; | |
29 | if (fd < 0) | |
30 | { | |
c4029823 | 31 | __set_errno (EBADF); |
28f540f4 RM |
32 | return -1; |
33 | } | |
34 | if (buf == NULL) | |
35 | { | |
c4029823 | 36 | __set_errno (EINVAL); |
28f540f4 RM |
37 | return -1; |
38 | } | |
39 | ||
c4029823 | 40 | __set_errno (ENOSYS); |
28f540f4 RM |
41 | return -1; |
42 | } | |
43 | stub_warning (read) | |
44 | ||
c4029823 UD |
45 | weak_alias (__libc_read, __read) |
46 | weak_alias (__libc_read, read) |