INT32 nls_uniname_cmp(struct super_block *sb, UINT16 *a, UINT16 *b)
{
INT32 i;
for (i = 0; i < MAX_NAME_LENGTH; i++, a++, b++) {
if (nls_upper(sb, *a) != nls_upper(sb, *b)) return(1);
if (*a == 0x0) return(0);
}
return(0);
}
s32 nls_uniname_cmp(struct super_block *sb, u16 *a, u16 *b)
{
int i;
for (i = 0; i < MAX_NAME_LENGTH; i++, a++, b++) {
if (nls_upper(sb, *a) != nls_upper(sb, *b))
return 1;
if (*a == 0x0)
return 0;
}
return 0;
} /* end of nls_uniname_cmp */
void nls_cstring_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, UINT8 *p_cstring, INT32 *p_lossy)
{
INT32 i, j, lossy = FALSE;
UINT8 *end_of_name;
UINT8 upname[MAX_NAME_LENGTH * 2];
UINT16 *uniname = p_uniname->name;
struct nls_table *nls = EXFAT_SB(sb)->nls_io;
/* strip all trailing spaces */
end_of_name = p_cstring + STRLEN((INT8 *) p_cstring);
while (*(--end_of_name) == ' ') {
if (end_of_name < p_cstring) break;
}
*(++end_of_name) = '\0';
if (STRCMP((INT8 *) p_cstring, ".") && STRCMP((INT8 *) p_cstring, "..")) {
/* strip all trailing periods */
while (*(--end_of_name) == '.') {
if (end_of_name < p_cstring) break;
}
*(++end_of_name) = '\0';
}
if (*p_cstring == '\0')
lossy = TRUE;
i = j = 0;
while (j < (MAX_NAME_LENGTH-1)) {
if (*(p_cstring+i) == '\0') break;
i += convert_ch_to_uni(nls, uniname, (UINT8 *)(p_cstring+i), &lossy);
if ((*uniname < 0x0020) || WSTRCHR(bad_uni_chars, *uniname))
lossy = TRUE;
SET16_A(upname + j * 2, nls_upper(sb, *uniname));
uniname++;
j++;
}
if (*(p_cstring+i) != '\0')
lossy = TRUE;
*uniname = (UINT16) '\0';
p_uniname->name_len = j;
p_uniname->name_hash = calc_checksum_2byte((void *) upname, j<<1, 0, CS_DEFAULT);
if (p_lossy != NULL)
*p_lossy = lossy;
} /* end of nls_cstring_to_uniname */
void nls_cstring_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, u8 *p_cstring, s32 *p_lossy)
{
int i, j, lossy = FALSE;
u8 *end_of_name;
u8 upname[MAX_NAME_LENGTH * 2];
u16 *uniname = p_uniname->name;
struct nls_table *nls = EXFAT_SB(sb)->nls_io;
/* strip all trailing spaces */
end_of_name = p_cstring + strlen((char *) p_cstring);
while (*(--end_of_name) == ' ') {
if (end_of_name < p_cstring)
break;
}
*(++end_of_name) = '\0';
if (strcmp((char *) p_cstring, ".") && strcmp((char *) p_cstring, "..")) {
/* strip all trailing periods */
while (*(--end_of_name) == '.') {
if (end_of_name < p_cstring)
break;
}
*(++end_of_name) = '\0';
}
if (*p_cstring == '\0')
lossy = TRUE;
if (nls == NULL) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
i = utf8s_to_utf16s(p_cstring, MAX_NAME_LENGTH, uniname);
#else
i = utf8s_to_utf16s(p_cstring, MAX_NAME_LENGTH, UTF16_HOST_ENDIAN, uniname, MAX_NAME_LENGTH);
#endif
for (j = 0; j < i; j++)
SET16_A(upname + j * 2, nls_upper(sb, uniname[j]));
uniname[i] = '\0';
}
else {
i = j = 0;
while (j < (MAX_NAME_LENGTH-1)) {
if (*(p_cstring+i) == '\0')
break;
i += convert_ch_to_uni(nls, uniname, (u8 *)(p_cstring+i), &lossy);
if ((*uniname < 0x0020) || nls_wstrchr(bad_uni_chars, *uniname))
lossy = TRUE;
SET16_A(upname + j * 2, nls_upper(sb, *uniname));
uniname++;
j++;
}
if (*(p_cstring+i) != '\0')
lossy = TRUE;
*uniname = (u16) '\0';
}
p_uniname->name_len = j;
p_uniname->name_hash = calc_checksum_2byte((void *) upname, j<<1, 0, CS_DEFAULT);
if (p_lossy != NULL)
*p_lossy = lossy;
} /* end of nls_cstring_to_uniname */
