Function toml_append_codepoint

src/cli/config_toml_edit.c:1115–1141

}

static int toml_append_codepoint(toml_buffer_t *buffer, uint32_t codepoint) {
    char encoded[4];
    size_t len = 0;
    if (codepoint == 0 || codepoint > 0x10ffff || (codepoint >= 0xd800 && codepoint <= 0xdfff)) {
        return TOML_EDIT_ERR;
    }
    if (codepoint <= 0x7f) {
        encoded[0] = (char)codepoint;
        len = 1;
    } else if (codepoint <= 0x7ff) {
        encoded[0] = (char)(0xc0 | (codepoint >> 6));
        encoded[1] = (char)(0x80 | (codepoint & 0x3f));
        len = 2;
    } else if (codepoint <= 0xffff) {
        encoded[0] = (char)(0xe0 | (codepoint >> 12));
        encoded[1] = (char)(0x80 | ((codepoint >> 6) & 0x3f));
        encoded[2] = (char)(0x80 | (codepoint & 0x3f));
        len = 3;
    } else {
        encoded[0] = (char)(0xf0 | (codepoint >> 18));
        encoded[1] = (char)(0x80 | ((codepoint >> 12) & 0x3f));
        encoded[2] = (char)(0x80 | ((codepoint >> 6) & 0x3f));
        encoded[3] = (char)(0x80 | (codepoint & 0x3f));
        len = 4;
    }
    return toml_buffer_append(buffer, encoded, len);
}

static int toml_parse_unicode_escape(const char *text, size_t len, size_t digits,
                                     uint32_t *out_codepoint) {