1 | /* Copyright (C) 2016-2022 Free Software Foundation, Inc. |
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 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. |
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 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library. If not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <unistd.h> |
19 | #include <sysdep.h> |
20 | #include <errno.h> |
21 | |
22 | #ifndef __OFF_T_MATCHES_OFF64_T |
23 | /* Truncate the file FD refers to LENGTH bytes. */ |
24 | int |
25 | __ftruncate (int fd, off_t length) |
26 | { |
27 | # ifndef __NR_ftruncate |
28 | return INLINE_SYSCALL_CALL (ftruncate64, fd, |
29 | __ALIGNMENT_ARG SYSCALL_LL (length)); |
30 | # else |
31 | return INLINE_SYSCALL_CALL (ftruncate, fd, length); |
32 | # endif |
33 | } |
34 | weak_alias (__ftruncate, ftruncate) |
35 | #endif |
36 | |