CRC util module
- Source:
Methods
(static) default(buf, crcVal) → {null|string}
Validate CRC of buf
Parameters:
| Name | Type | Description |
|---|---|---|
buf |
Buffer | Chunk type + data buffer |
crcVal |
chunk CRC val |
- Source:
Returns:
- The error message or null
- Type
- null | string
(inner) crc(buf) → {number}
Return the CRC of the bytes buf[0..len-1].
Parameters:
| Name | Type | Description |
|---|---|---|
buf |
Buffer | The buffer used to calculate thr CRC |
- Source:
Returns:
- sInt 32 the CRC value of buf
- Type
- number
(inner) updateCrc(crc, buf) → {number}
Update crc with buf content
Parameters:
| Name | Type | Description |
|---|---|---|
crc |
number | current crc |
buf |
Buffer | data buffer |
- Source:
Returns:
- updated crc
- Type
- number