48 lines
2.3 KiB
C
48 lines
2.3 KiB
C
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/* EPIPHANY implementation of _lseek ()
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Copyright (c) 2011, Adapteva, Inc.
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All rights reserved.
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Adapteva nor the names of its contributors may be
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used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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#include <syscall.h>
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#include <sys/types.h>
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/* ------------------------------------------------------------------------- */
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/*!Set a position in a file
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@param[in] fildes The file descriptor on which to seek
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@param[in] offset The desired offset
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@param[in] whence Where the offset is measured from
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@return 0 on success, -1 on failure with an error code in errno. */
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/* ------------------------------------------------------------------------- */
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off_t __attribute__ ((section ("libgloss_epiphany")))
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_lseek (int fildes, off_t offset, int whence)
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{
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return asm_syscall (fildes, offset, whence, SYS_lseek);
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} /* _lseek () */
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