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d614a753 | 1 | /* Copyright (C) 2011-2020 Free Software Foundation, Inc. |
a63c7fa1 CM |
2 | This file is part of the GNU C Library. |
3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff | 16 | License along with the GNU C Library. If not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
a63c7fa1 CM |
18 | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | #include <fcntl.h> | |
22 | ||
23 | /* Read the contents of the symbolic link PATH into no more than | |
24 | LEN bytes of BUF. The contents are not null-terminated. | |
25 | Returns the number of characters read, or -1 for errors. */ | |
26 | ssize_t | |
27 | __readlink (const char *path, char *buf, size_t len) | |
28 | { | |
29 | return INLINE_SYSCALL (readlinkat, 4, AT_FDCWD, path, buf, len); | |
30 | } | |
31 | weak_alias (__readlink, readlink) |