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1 | /* Copyright (C) 1997-2019 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 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <sys/types.h> | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | /* Truncate the file referenced by FD to LENGTH bytes. */ | |
23 | int | |
24 | __ftruncate64 (int fd, off64_t length) | |
25 | { | |
26 | if ((off_t) length != length) | |
27 | { | |
28 | __set_errno (EINVAL); | |
29 | return -1; | |
30 | } | |
31 | return __ftruncate (fd, (off_t) length); | |
32 | } | |
33 | weak_alias (__ftruncate64, ftruncate64) |