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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Read block from given position in file without changing file pointer.
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Hurd version.
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Copyright (C) 2001-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <unistd.h>
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#include <hurd/fd.h>
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ssize_t
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__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset)
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{
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error_t err;
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if (offset < 0)
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err = EINVAL;
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else
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err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset));
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return err ? __hurd_dfail (fd, err) : nbytes;
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}
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#ifndef __libc_pread64
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weak_alias (__libc_pread64, __pread64)
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weak_alias (__libc_pread64, pread64)
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#endif
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