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478b92f0 UD |
1 | /* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
28f540f4 | 3 | |
478b92f0 | 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. | |
28f540f4 | 8 | |
478b92f0 UD |
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. |
28f540f4 | 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. */ | |
28f540f4 | 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) | |
f2ea0f5b | 47 | #include <stub-tag.h> |