projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 2011-2015 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 PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| a63c7fa1 CM |
18 | |
| 19 | #include <errno.h> | |
| 20 | #include <unistd.h> | |
| 21 | #include <sys/types.h> | |
| 22 | ||
| 23 | #include <sysdep.h> | |
| 24 | #include <sys/syscall.h> | |
| 25 | ||
| 26 | #include "overflow.h" | |
| 27 | ||
| 28 | off_t | |
| 29 | __lseek (int fd, off_t offset, int whence) | |
| 30 | { | |
| 31 | loff_t res; | |
| 32 | int rc = INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 31), | |
| 33 | (off_t) offset, &res, whence); | |
| 34 | return rc ?: lseek_overflow (res); | |
| 35 | } | |
| 36 | libc_hidden_def (__lseek) | |
| 37 | weak_alias (__lseek, lseek) | |
| 38 | strong_alias (__lseek, __libc_lseek) |