Function hoedown_buffer_put_utf8

libraries/hoedown/src/buffer.c:276–308

}

void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int c) {
    unsigned char unichar[4];

    assert(buf && buf->unit);

    if (c < 0x80) {
        hoedown_buffer_putc(buf, c);
    }
    else if (c < 0x800) {
        unichar[0] = 192 + (c / 64);
        unichar[1] = 128 + (c % 64);
        hoedown_buffer_put(buf, unichar, 2);
    }
    else if (c - 0xd800u < 0x800) {
        HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd");
    }
    else if (c < 0x10000) {
        unichar[0] = 224 + (c / 4096);
        unichar[1] = 128 + (c / 64) % 64;
        unichar[2] = 128 + (c % 64);
        hoedown_buffer_put(buf, unichar, 3);
    }
    else if (c < 0x110000) {
        unichar[0] = 240 + (c / 262144);
        unichar[1] = 128 + (c / 4096) % 64;
        unichar[2] = 128 + (c / 64) % 64;
        unichar[3] = 128 + (c % 64);
        hoedown_buffer_put(buf, unichar, 4);
    }
    else {
        HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd");
    }
}