bool mod_upper_modify(string_t *in, string_t **result)
{
char *content;
*result = t_str_new(str_len(in));
str_append_str(*result, in);
content = str_c_modifiable(*result);
(void)str_ucase(content);
return TRUE;
}
const char *t_str_ucase(const char *str)
{
i_assert(str != NULL);
return str_ucase(t_strdup_noconst(str));
}