forked from Imagelibrary/rtems
80cf60efec
Use the following variant which was already used by most source files: #ifdef HAVE_CONFIG_H #include "config.h" #endif
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
/**
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* @file
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*
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* @brief Configurable Pathname Varables
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* @ingroup libcsupport
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*/
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/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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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 <rtems/libio_.h>
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#include <rtems/seterr.h>
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#include <unistd.h>
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#include <errno.h>
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/**
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* POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables
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*/
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long fpathconf(
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int fd,
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int name
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)
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{
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long return_value;
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rtems_libio_t *iop;
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const rtems_filesystem_limits_and_options_t *the_limits;
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LIBIO_GET_IOP( fd, iop );
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/*
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* Now process the information request.
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*/
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the_limits = iop->pathinfo.mt_entry->pathconf_limits_and_options;
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switch ( name ) {
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case _PC_LINK_MAX:
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return_value = the_limits->link_max;
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break;
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case _PC_MAX_CANON:
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return_value = the_limits->max_canon;
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break;
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case _PC_MAX_INPUT:
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return_value = the_limits->max_input;
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break;
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case _PC_NAME_MAX:
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return_value = the_limits->name_max;
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break;
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case _PC_PATH_MAX:
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return_value = the_limits->path_max;
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break;
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case _PC_PIPE_BUF:
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return_value = the_limits->pipe_buf;
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break;
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case _PC_CHOWN_RESTRICTED:
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return_value = the_limits->posix_chown_restrictions;
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break;
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case _PC_NO_TRUNC:
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return_value = the_limits->posix_no_trunc;
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break;
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case _PC_VDISABLE:
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return_value = the_limits->posix_vdisable;
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break;
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case _PC_ASYNC_IO:
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return_value = the_limits->posix_async_io;
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break;
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case _PC_PRIO_IO:
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return_value = the_limits->posix_prio_io;
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break;
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case _PC_SYNC_IO:
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return_value = the_limits->posix_sync_io;
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break;
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default:
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errno = EINVAL;
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return_value = -1;
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break;
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}
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rtems_libio_iop_drop( iop );
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return return_value;
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}
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