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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [chdir.c] - Rev 173
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/* * chdir() - POSIX 1003.1b - 5.2.1 - Change Current Working Directory * * 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: chdir.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include <rtems.h> #include <unistd.h> #include <errno.h> #include "libio_.h" int chdir( const char *pathname ) { rtems_filesystem_location_info_t loc; int result; /* * Get the node where we wish to go. */ result = rtems_filesystem_evaluate_path( pathname, 0, &loc, TRUE ); if ( result != 0 ) return -1; /* * Verify you can change directory into this node. */ if ( !loc.ops->node_type ) { rtems_filesystem_freenode( &loc ); set_errno_and_return_minus_one( ENOTSUP ); } if ( (*loc.ops->node_type)( &loc ) != RTEMS_FILESYSTEM_DIRECTORY ) { rtems_filesystem_freenode( &loc ); set_errno_and_return_minus_one( ENOTDIR ); } rtems_filesystem_freenode( &rtems_filesystem_current ); rtems_filesystem_current = loc; return 0; }