static size_t mac_japanese_char_pull(ucs2_t* out, const uint8_t* in, size_t* size)
{
uint16_t c = in[0];
if (c <= 0x7f) {
*size = 1;
*out = (c == 0x5c ? 0xa5 : c);
return 1;
} else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc)) {
if (*size >= 2) {
uint8_t c2 = in[1];
if ((c2 >= 0x40 && c2 <= 0x7e) || (c2 >= 0x80 && c2 <= 0xfc)) {
*size = 2;
if (c >= 0xf0) { /* user defined */
*out = 0xe000 + (c - 0xf0) * 188 + c2 - (c2 < 0x80 ? 0x40 : 0x41);
return 1;
}
c = (c << 8) + c2;
} else {
errno = EILSEQ;
return (size_t)-1;
}
} else {
errno = EINVAL;
return (size_t)-1;
}
} else {
*size = 1;
}
return cjk_char_pull(cjk_lookup(c, mac_japanese_2uni_index,
mac_japanese_2uni_charset),
out, mac_japanese_compose);
}
static size_t mac_chinese_simp_char_pull(ucs2_t* out, const u_int8_t* in, size_t* size)
{
u_int16_t c = in[0];
if (c <= 0x7f) {
*size = 1;
*out = c;
return 1;
} else if (c >= 0xa1 && c <= 0xfc) {
if (*size >= 2) {
u_int8_t c2 = in[1];
if (c2 >= 0xa1 && c2 <= 0xfe) {
*size = 2;
c = (c << 8) + c2;
} else {
errno = EILSEQ;
return (size_t)-1;
}
} else {
errno = EINVAL;
return (size_t)-1;
}
} else {
*size = 1;
}
return cjk_char_pull(cjk_lookup(c, mac_chinese_simp_2uni_index,
mac_chinese_simp_2uni_charset),
out, mac_chinese_simp_compose);
}
