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b168057a | 1 | /* Copyright (C) 1997-2015 Free Software Foundation, Inc. |
de96d148 DJ |
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 | |
ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
de96d148 DJ |
17 | |
18 | #include <sys/types.h> | |
19 | #include <endian.h> | |
20 | #include <errno.h> | |
21 | #include <unistd.h> | |
22 | ||
23 | #include <sysdep.h> | |
24 | #include <sys/syscall.h> | |
de96d148 | 25 | |
de96d148 DJ |
26 | /* Truncate the file FD refers to to LENGTH bytes. */ |
27 | int | |
28 | truncate64 (const char *path, off64_t length) | |
29 | { | |
21ed7069 JM |
30 | unsigned int low = length & 0xffffffff; |
31 | unsigned int high = length >> 32; | |
6277fdab | 32 | int result = INLINE_SYSCALL (truncate64, 4, path, 0, |
21ed7069 JM |
33 | __LONG_LONG_PAIR (high, low)); |
34 | return result; | |
de96d148 | 35 | } |