Function text_validate_bytes

src/cli/config_text_edit.c:214–243

}

static int text_validate_bytes(const char *data, size_t len, int allow_initial_bom) {
    if (!data && len != 0U) {
        return TEXT_ERROR;
    }
    size_t pos = 0U;
    while (pos < len) {
        uint32_t codepoint = 0U;
        size_t byte_count = 0U;
        if (text_decode_utf8((const unsigned char *)data + pos, len - pos, &codepoint,
                             &byte_count) != TEXT_OK) {
            return TEXT_ERROR;
        }
        if (codepoint == 0xfeffU) {
            if (!(allow_initial_bom && pos == 0U && byte_count == 3U)) {
                return TEXT_ERROR;
            }
        } else if (codepoint < 0x20U) {
            if (codepoint != '\t' && codepoint != '\n' && codepoint != '\r') {
                return TEXT_ERROR;
            }
            if (codepoint == '\r' && (pos + 1U >= len || data[pos + 1U] != '\n')) {
                return TEXT_ERROR;
            }
        } else if (codepoint == 0x7fU || (codepoint >= 0x80U && codepoint <= 0x9fU)) {
            return TEXT_ERROR;
        }
        pos += byte_count;
    }
    return TEXT_OK;
}

static int text_valid_path(const char *path) {
    size_t len = 0U;