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b168057a | 1 | /* Copyright (C) 1997-2015 Free Software Foundation, Inc. |
d587d83b UD |
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 | |
41bdb6e2 AJ |
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. | |
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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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
d587d83b | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <sys/types.h> | |
19 | #include <errno.h> | |
1869e7d1 | 20 | #include <endian.h> |
d587d83b UD |
21 | #include <unistd.h> |
22 | ||
23 | #include <sysdep.h> | |
24 | #include <sys/syscall.h> | |
25 | ||
ded5b9b7 | 26 | /* Truncate the file referenced by FD to LENGTH bytes. */ |
d587d83b | 27 | int |
2958e6cc | 28 | __ftruncate64 (int fd, off64_t length) |
d587d83b | 29 | { |
3a85279c JM |
30 | unsigned int low = length & 0xffffffff; |
31 | unsigned int high = length >> 32; | |
32 | int result = INLINE_SYSCALL (ftruncate64, 3, fd, | |
33 | __LONG_LONG_PAIR (high, low)); | |
34 | return result; | |
d587d83b | 35 | } |
2958e6cc | 36 | weak_alias (__ftruncate64, ftruncate64) |