forked from Imagelibrary/rtems
a02224e0e6
* include/rtems/libio_.h: Remove set_errno_and_return_minus_one. * libc/cfsetispeed.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/cfsetospeed.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/chdir.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/chmod.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/chown.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/chroot.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/closedir.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/eval.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fchdir.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fchmod.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fdatasync.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fpathconf.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fstat.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/fsync.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/ftruncate.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/getdents.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/ioctl.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/link.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/lseek.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/mknod.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/open.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/read.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/readlink.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/rmdir.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/stat.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/symlink.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/tcsetattr.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/telldir.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/ttyname.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/ttyname_r.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/unlink.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/unmount.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/utime.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one. * libc/write.c: Include <rtems/seterr.h>. Apply rtems_set_errno_and_return_minus_one.
75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
|
|
* fchdir() - compatible with SVr4, 4.4BSD and X/OPEN - Change Directory
|
|
*
|
|
* COPYRIGHT (c) 1989-2000.
|
|
* 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#if HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
|
|
#include <rtems.h>
|
|
#include <rtems/libio.h>
|
|
#include <rtems/libio_.h>
|
|
#include <rtems/seterr.h>
|
|
|
|
int fchdir(
|
|
int fd
|
|
)
|
|
{
|
|
rtems_libio_t *iop;
|
|
|
|
rtems_libio_check_fd( fd );
|
|
iop = rtems_libio_iop( fd );
|
|
rtems_libio_check_is_open(iop);
|
|
|
|
/*
|
|
* Now process the fchmod().
|
|
*/
|
|
|
|
rtems_libio_check_permissions( iop, LIBIO_FLAGS_READ );
|
|
|
|
/*
|
|
* Verify you can change directory into this node.
|
|
*/
|
|
|
|
if ( !iop->pathinfo.ops ) {
|
|
rtems_set_errno_and_return_minus_one( ENOTSUP );
|
|
}
|
|
|
|
if ( !iop->pathinfo.ops->node_type_h ) {
|
|
rtems_set_errno_and_return_minus_one( ENOTSUP );
|
|
}
|
|
|
|
if ( (*iop->pathinfo.ops->node_type_h)( &iop->pathinfo ) !=
|
|
RTEMS_FILESYSTEM_DIRECTORY ) {
|
|
rtems_set_errno_and_return_minus_one( ENOTDIR );
|
|
}
|
|
|
|
rtems_filesystem_freenode( &rtems_filesystem_current );
|
|
|
|
/*
|
|
* FIXME : I feel there should be another call to
|
|
* actually take into account the extra reference to
|
|
* this node which we are making here. I can
|
|
* see the freenode interface but do not see
|
|
* allocnode node interface. It maybe node_type.
|
|
*/
|
|
|
|
rtems_filesystem_current = iop->pathinfo;
|
|
|
|
return 0;
|
|
}
|
|
|