>> The getdents() call returns a structure which looks like:
>>
>> typedef struct dirent {
>> ino_t d_ino; /* "inode number" of entry */
>> off_t d_off; /* offset of disk directory entry */
>> unsigned short d_reclen; /* length of this record */
>> char d_name[1]; /* name of file */
>> } dirent_t;
>>
>> It's easy to store the little bit of additional information by
>> bumping d_reclen and adding it add the end.
>>
>> This would not be noticable as the name is NUL terminated and we
>> control all the getdents return paths in the kernel.
>>
>> For the readdir() call it gets trickier but still not impossible.
>
>Du you like to use strlen in the access macro?
No, but it could easily be defined as something like:
#define FTYPE(dent) (((char *)dent + dent->d_reclen - 1)[0])
(make it the last byte of the record)
There's one issue, though, readdir_r does not allow this bit of
trickery :-( But then, nobody in his right mind uses it anyway.
Casper
