lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* lseek -- Move the file position of a file descriptor. NaCl version. |
| 2 | Copyright (C) 2015 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 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 |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <unistd.h> |
| 20 | #include <nacl-interfaces.h> |
| 21 | |
| 22 | |
| 23 | /* Seek to OFFSET on FD, starting from WHENCE. */ |
| 24 | off_t |
| 25 | __libc_lseek (int fd, off_t offset, int whence) |
| 26 | { |
| 27 | off_t result; |
| 28 | int error = __nacl_irt_fdio.seek (fd, offset, whence, &result); |
| 29 | if (error) |
| 30 | { |
| 31 | __set_errno (error); |
| 32 | return -1; |
| 33 | } |
| 34 | return result; |
| 35 | } |
| 36 | libc_hidden_def (__lseek) |
| 37 | weak_alias (__libc_lseek, __lseek) |
| 38 | weak_alias (__libc_lseek, lseek) |
| 39 | |
| 40 | /* Since off64_t is the same as off_t, lseek64 is just an alias. */ |
| 41 | weak_alias (__libc_lseek, __libc_lseek64) |
| 42 | weak_alias (__libc_lseek, __lseek64) |
| 43 | weak_alias (__libc_lseek, lseek64) |