| 1 | /* Read block from given position in file without changing file pointer. |
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| 2 | Hurd version. |
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| 3 | Copyright (C) 2001-2024 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 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 |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 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 |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #include <errno.h> |
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| 21 | #include <unistd.h> |
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| 22 | #include <hurd/fd.h> |
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| 23 | #include <not-cancel.h> |
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| 24 | |
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| 25 | ssize_t |
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| 26 | __pread64_nocancel (int fd, void *buf, size_t nbytes, off64_t offset) |
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| 27 | { |
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| 28 | error_t err; |
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| 29 | if (offset < 0) |
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| 30 | err = EINVAL; |
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| 31 | else |
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| 32 | err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset)); |
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| 33 | return err ? __hurd_dfail (fd, err) : nbytes; |
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| 34 | } |
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| 35 | libc_hidden_weak (__pread64_nocancel) |
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| 36 | |
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