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#include <fs/types.h>
#include <fs/errno.h>
#include <fs/task.h>
#include <fs/util.h>
#include <fs/maccess.h>
#include "file.h"
#include "dentry.h"
#include "fs.h"
int k_chdir
(char *newpath
)
{
declare_buffer
(char,pathname
,MAXPATHNAME
);
int createflag
=DENTRY_NOCREATE
;
struct dentry
*d
;
__pid_t pid
;
int len
;
call_to_fs
();
len
=__verify_read_nolen
((char*)newpath
);
if ((!len
)||(len
>MAXPATHNAMELEN
)) return_from_fs
(-EVERIFY
);
__copy_from_user
(pathname
,newpath
,len
+1);
pid
=__get_pid
();
lock_desctable
(pid
);
d
=find_dentry_from_ext
(cwden_ptr
(pid
),(char *)pathname
,&createflag
);
if (d
==NULL
) {
unlock_desctable
(pid
);
return_from_fs
(-ENOENT
);
}
unlock_dentry
(cwden_ptr
(pid
));
/* dovrebbe essere: cwden_ptr(pid)=d; */
desctable
[pid
].
fd_cwden=d
;
strcpy(cwd_ptr
(pid
),pathname
);
unlock_desctable
(pid
);
return_from_fs
(EOK
);
}