* Convert Unicode 16 to UTF-8 or ASCII.
*/
static int
-uni16_to_x8(unsigned char *ascii, u16 *uni, int len, struct nls_table *nls)
+uni16_to_x8(unsigned char *ascii, __be16 *uni, int len, struct nls_table *nls)
{
- wchar_t *ip, ch;
+ __be16 *ip, ch;
unsigned char *op;
ip = uni;
while ((ch = get_unaligned(ip)) && len) {
int llen;
- ch = be16_to_cpu(ch);
- if ((llen = nls->uni2char(ch, op, NLS_MAX_CHARSET_SIZE)) > 0)
+ llen = nls->uni2char(be16_to_cpu(ch), op, NLS_MAX_CHARSET_SIZE);
+ if (llen > 0)
op += llen;
else
*op++ = '?';
return (op - ascii);
}
-/* Convert big endian wide character string to utf8 */
-static int
-wcsntombs_be(__u8 *s, const __u8 *pwcs, int inlen, int maxlen)
-{
- const __u8 *ip;
- __u8 *op;
- int size;
- __u16 c;
-
- op = s;
- ip = pwcs;
- while ((*ip || ip[1]) && (maxlen > 0) && (inlen > 0)) {
- c = (*ip << 8) | ip[1];
- if (c > 0x7f) {
- size = utf8_wctomb(op, c, maxlen);
- if (size == -1) {
- /* Ignore character and move on */
- maxlen--;
- } else {
- op += size;
- maxlen -= size;
- }
- } else {
- *op++ = (__u8) c;
- }
- ip += 2;
- inlen--;
- }
- return (op - s);
-}
-
int
get_joliet_filename(struct iso_directory_record * de, unsigned char *outname, struct inode * inode)
{
nls = ISOFS_SB(inode->i_sb)->s_nls_iocharset;
if (utf8) {
- len = wcsntombs_be(outname, de->name,
- de->name_len[0] >> 1, PAGE_SIZE);
+ len = utf16s_to_utf8s((const wchar_t *) de->name,
+ de->name_len[0] >> 1, UTF16_BIG_ENDIAN,
+ outname, PAGE_SIZE);
} else {
- len = uni16_to_x8(outname, (u16 *) de->name,
- de->name_len[0] >> 1, nls);
+ len = uni16_to_x8(outname, (__be16 *) de->name,
+ de->name_len[0] >> 1, nls);
}
- if ((len > 2) && (outname[len-2] == ';') && (outname[len-1] == '1')) {
+ if ((len > 2) && (outname[len-2] == ';') && (outname[len-1] == '1'))
len -= 2;
- }
/*
* Windows doesn't like periods at the end of a name,
* so neither do we
*/
- while (len >= 2 && (outname[len-1] == '.')) {
+ while (len >= 2 && (outname[len-1] == '.'))
len--;
- }
return len;
}