/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Configurable Pathname Varables
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/libio_.h>
#include <rtems/seterr.h>
#include <unistd.h>
#include <errno.h>
/**
* POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables
*/
long fpathconf(
int fd,
int name
)
{
long return_value;
rtems_libio_t *iop;
const rtems_filesystem_limits_and_options_t *the_limits;
LIBIO_GET_IOP( fd, iop );
/*
* Now process the information request.
*/
the_limits = iop->pathinfo.mt_entry->pathconf_limits_and_options;
switch ( name ) {
case _PC_LINK_MAX:
return_value = the_limits->link_max;
break;
case _PC_MAX_CANON:
return_value = the_limits->max_canon;
break;
case _PC_MAX_INPUT:
return_value = the_limits->max_input;
break;
case _PC_NAME_MAX:
return_value = the_limits->name_max;
break;
case _PC_PATH_MAX:
return_value = the_limits->path_max;
break;
case _PC_PIPE_BUF:
return_value = the_limits->pipe_buf;
break;
case _PC_CHOWN_RESTRICTED:
return_value = the_limits->posix_chown_restrictions;
break;
case _PC_NO_TRUNC:
return_value = the_limits->posix_no_trunc;
break;
case _PC_VDISABLE:
return_value = the_limits->posix_vdisable;
break;
case _PC_ASYNC_IO:
return_value = the_limits->posix_async_io;
break;
case _PC_PRIO_IO:
return_value = the_limits->posix_prio_io;
break;
case _PC_SYNC_IO:
return_value = the_limits->posix_sync_io;
break;
default:
errno = EINVAL;
return_value = -1;
break;
}
rtems_libio_iop_drop( iop );
return return_value;
}
