35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
/* Write block at given position in file without changing file pointer.
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Hurd version.
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Copyright (C) 1999 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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/* Write NBYTES of BUF to FD at given position OFFSET without changing
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the file position. Return the number written, or -1. */
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ssize_t
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__pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
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{
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error_t err = HURD_FD_USE (fd, _hurd_fd_write (descriptor,
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buf, &nbytes, offset));
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return err ? __hurd_dfail (fd, err) : nbytes;
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}
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weak_alias (__pwrite, pwrite)
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