smbfs seek support

[Andrew V. Samoilov]

Andrew V. Samoilov wrote:
> Hello Pavel and Olecom!
> 
> Pavel Roskin wrote:
> 
>> Hello!
>>
>>
>>> May I present me as little coding animal.
>>
>>
>>
>> :-)
>>
>>
>>>   It's very useful patch for smbfs users. It's very little - but
>>> powerful against windoze smb-kik programs.
> 
> 
> Olecom, can you test backported version of this function?
> ------------------------------------------------------------------------
> 
> ChangeLog:
> 
> * smbfs.c (smbfs_lseek): Backport from Samba 2.2 Suite.
> 
> diff -u mc/vfs/smbfs.c~ mc/vfs/smbfs.c~
> --- mc/vfs/smbfs.c~	Fri Sep 13 07:29:35 2002
> +++ mc/vfs/smbfs.c	Tue Sep 24 11:26:55 2002
> @@ -1550,9 +1567,34 @@ smbfs_stat (vfs *me, char *path, struct 
>  static int
>  smbfs_lseek (void *data, off_t offset, int whence)
>  {
> -	DEBUG(3, ("smbfs_lseek()\n"));
> -	my_errno = EOPNOTSUPP;
> -    return -1;
> +    smbfs_handle *info = (smbfs_handle *) data;
> +    size_t size;
> +
> +    DEBUG (3,
> +	   ("smbfs_lseek(info->nread => %d, offset => %d, whence => %d) \n",
> +	    (int) info->nread, (int) offset, whence));
> +
> +    switch (whence) {
> +    case SEEK_SET:
> +	info->nread = offset;
> +	break;
> +    case SEEK_CUR:
> +	info->nread += offset;
> +	break;
> +    case SEEK_END:
> +	if (!cli_qfileinfo (info->cli, info->fnum,
> +			    NULL, &size, NULL, NULL, NULL,
> +			    NULL, NULL) &&
> +	    !cli_getattrE (info->cli, info->fnum,
> +			   NULL, &size, NULL, NULL, NULL)) {
> +	    errno = EINVAL;
> +	    return -1;
> +	}
> +	info->nread = size + offset;
> +	break;
> +    }
> +
> +    return info->nread;
>  }
>  
>  static int

Commited to CVS as far as 3 AIX warning fixes.

-- 
Regards,
Andrew V. Samoilov