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1 | /* Write block to given position in file without changing file pointer. |
2 | Hurd version. | |
688903eb | 3 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
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4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
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7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
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10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
221dc560 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
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17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
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19 | |
20 | #include <errno.h> | |
21 | #include <unistd.h> | |
337738b7 | 22 | #include <hurd/fd.h> |
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23 | |
24 | ssize_t | |
337738b7 | 25 | __libc_pwrite64 (int fd, const void *buf, size_t nbytes, off64_t offset) |
221dc560 | 26 | { |
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27 | error_t err; |
28 | if (offset < 0) | |
29 | err = EINVAL; | |
30 | else | |
31 | err = HURD_FD_USE (fd, _hurd_fd_write (descriptor, buf, &nbytes, offset)); | |
32 | return err ? __hurd_dfail (fd, err) : nbytes; | |
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33 | } |
34 | ||
35 | #ifndef __libc_pwrite64 | |
36 | weak_alias (__libc_pwrite64, __pwrite64) | |
37ba7d66 | 37 | libc_hidden_weak (__pwrite64) |
221dc560 RM |
38 | weak_alias (__libc_pwrite64, pwrite64) |
39 | #endif |