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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [eval.c] - Rev 580
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/* * rtems_filesystem_evaluate_path() * * Routine to seed the evaluate path routine. * * 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: eval.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include <rtems.h> #include "libio_.h" int rtems_filesystem_evaluate_path( const char *pathname, int flags, rtems_filesystem_location_info_t *pathloc, int follow_link ) { int i; int result; rtems_filesystem_node_types_t type; /* * Verify Input parameters. */ if ( !pathname ) set_errno_and_return_minus_one( EFAULT ); if ( !pathloc ) set_errno_and_return_minus_one( EIO ); /* should never happen */ /* * Evaluate the path using the optable evalpath. */ rtems_filesystem_get_start_loc( pathname, &i, pathloc ); result = (*pathloc->ops->evalpath)( &pathname[i], flags, pathloc ); /* * Get the Node type and determine if you need to follow the link or * not. */ if ( (result == 0) && follow_link ) { if ( !pathloc->ops->node_type ) set_errno_and_return_minus_one( ENOTSUP ); type = (*pathloc->ops->node_type)( pathloc ); if ( ( type == RTEMS_FILESYSTEM_HARD_LINK ) || ( type == RTEMS_FILESYSTEM_SYM_LINK ) ) { if ( !pathloc->ops->eval_link ) set_errno_and_return_minus_one( ENOTSUP ); result = (*pathloc->ops->eval_link)( pathloc, flags ); } } return result; }
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