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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [fpathconf.c] - Rev 751
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/* * fpathconf() - POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: fpathconf.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include "libio_.h" #include <unistd.h> #include <errno.h> long fpathconf( int fd, int name ) { long return_value; rtems_libio_t *iop; rtems_filesystem_limits_and_options_t *the_limits; rtems_libio_check_fd(fd); iop = rtems_libio_iop(fd); rtems_libio_check_is_open(iop); rtems_libio_check_permissions(iop, LIBIO_FLAGS_READ); /* * 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: set_errno_and_return_minus_one( EINVAL ); break; } return return_value; }
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