forked from Imagelibrary/rtems
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* fstat() - POSIX 1003.1b 5.6.2 - Get File Status
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. 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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*
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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 OWNER 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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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <rtems/libio_.h>
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#include <rtems/seterr.h>
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int fstat(
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int fd,
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struct stat *sbuf
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)
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{
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rtems_libio_t *iop;
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int rv;
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/*
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* Check to see if we were passed a valid pointer.
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*/
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if ( !sbuf )
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rtems_set_errno_and_return_minus_one( EFAULT );
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/*
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* Now process the stat() request.
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*/
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LIBIO_GET_IOP( fd, iop );
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/*
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* Zero out the stat structure so the various support
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* versions of stat don't have to.
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*/
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memset( sbuf, 0, sizeof(struct stat) );
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rv = (*iop->pathinfo.handlers->fstat_h)( &iop->pathinfo, sbuf );
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rtems_libio_iop_drop( iop );
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return rv;
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}
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/*
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* _fstat_r
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*
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* This is the Newlib dependent reentrant version of fstat().
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*/
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#if defined(RTEMS_NEWLIB) && !defined(HAVE_FSTAT_R)
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#include <reent.h>
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int _fstat_r(
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struct _reent *ptr RTEMS_UNUSED,
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int fd,
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struct stat *buf
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)
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{
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return fstat( fd, buf );
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}
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#endif
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