assuming m_file is valid
| 436 | |
| 437 | // assuming m_file is valid |
| 438 | bool MMKV::checkFileCRCValid(size_t actualSize, uint32_t crcDigest) { |
| 439 | auto ptr = (uint8_t *) m_file->getMemory(); |
| 440 | if (ptr) { |
| 441 | m_crcDigest = (uint32_t) CRC32(0, (const uint8_t *) ptr + Fixed32Size, (uint32_t) actualSize); |
| 442 | |
| 443 | if (m_crcDigest == crcDigest) { |
| 444 | return true; |
| 445 | } |
| 446 | MMKVError("check crc [%s] fail, crc32:%u, m_crcDigest:%u", m_mmapID.c_str(), crcDigest, m_crcDigest); |
| 447 | } |
| 448 | return false; |
| 449 | } |
| 450 | |
| 451 | void MMKV::recalculateCRCDigestWithIV(const void *iv) { |
| 452 | auto ptr = (const uint8_t *) m_file->getMemory(); |