Hi,

This looks very good. I have one question, however, Why do you
copy transname into unibuf? Is it because of endian problems?
If so, feel free to modify the OSTA code to produce the correct
format. Doing a second zalloc() and copy for every single
filename gets expensive and should be avoided.

Scott

R. Imura wrote:
> On Mon, Nov 03, 2003 at 01:42:18AM +0900, R. Imura wrote:
>
>>Hi all,
>>
>>I now added -C option to mount_udf(8) as well as mount_cd9660(8)
>>and mount_ntfs(8) with UDF_ICONV kernel module in order to
>>handle multibyte characters.
>>Since I'm new to nmount(), please correct me if I'm wrong with
>>how to write udf specific options/flags.
>>The patch is here:
>>
>> http://www.ryu16.org/FreeBSD/kiconv/..._20031101.diff

>
>
> I updated the patch because it lacked exception case when
> meeting a unicode character which is not in his convertion table.
> New one is here:
>
> http://www.ryu16.org/FreeBSD/kiconv/..._20031103.diff
>
> The difference between 20031101 version and 20031103 version is following.
>
> diff -u -r1.1.2.5 udf_vnops.c
> --- udf_vnops.c 3 Nov 2003 19:38:28 -0000 1.1.2.5
> +++ udf_vnops.c 3 Nov 2003 19:29:35 -0000
> @@ -450,9 +450,8 @@
> /*
> * Call the OSTA routines to translate the name from a CS0 dstring to a
> * 16-bit Unicode String. Hooks need to be placed in here to translate from
> - * Unicode to the encoding that the kernel/user expects. For now, compact
> - * the encoding to 8 bits if possible. Return the length of the translated
> - * string.
> + * Unicode to the encoding that the kernel/user expects. Return the length
> + * of the translated string.
> */
> static int
> udf_transname(char *cs0string, char *destname, int len, struct udf_mnt *udfmp)
> @@ -481,8 +480,17 @@
> }
> unibuf = unip;
> unileft = (size_t)unilen * 2;
> - udf_iconv->conv(udfmp->im_d2l, (const char **)&unibuf, &unileft,
> - (char **)&destname, &destleft);
> + while (unileft > 0 && destleft > 0) {
> + udf_iconv->conv(udfmp->im_d2l, (const char **)&unibuf,
> + &unileft, (char **)&destname, &destleft);
> + /* Unconverted character found */
> + if (unileft > 0 && destleft > 0) {
> + *destname++ = '?';
> + destleft--;
> + unibuf += 2;
> + unileft -= 2;
> + }
> + }
> uma_zfree(udf_zone_trans, unip);
> *destname = '\0';
> destlen = MAXNAMLEN - (int)destleft;
>
> - R. Imura
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