diff options
| author | Amlal El Mahrouss <amlalelmahrouss@icloud.com> | 2024-02-01 09:40:51 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlalelmahrouss@icloud.com> | 2024-02-01 09:40:51 +0100 |
| commit | 6c4cc0dba681fef1cef3c31877653a1d6413fc90 (patch) | |
| tree | 55d1e1803c1224dba47538042851aa9175064e6c /Private | |
| parent | a9222cf9d73734457206f4f9692d699313678159 (diff) | |
Kernel: Improve CRC compute function.
Signed-off-by: Amlal El Mahrouss <amlalelmahrouss@icloud.com>
Diffstat (limited to 'Private')
| -rw-r--r-- | Private/NewKit/Crc32.hpp (renamed from Private/NewKit/CRC32.hpp) | 2 | ||||
| -rw-r--r-- | Private/Source/Crc32.cxx | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/Private/NewKit/CRC32.hpp b/Private/NewKit/Crc32.hpp index 15bff9db..7e9ce2af 100644 --- a/Private/NewKit/CRC32.hpp +++ b/Private/NewKit/Crc32.hpp @@ -15,7 +15,7 @@ #define kCrcCnt (256) namespace HCore { -Int ke_calculate_crc32(const Char* crc, Int len) noexcept; +UInt ke_calculate_crc32(const Char* crc, UInt len) noexcept; } // namespace HCore #endif // !__CRC32_H__ diff --git a/Private/Source/Crc32.cxx b/Private/Source/Crc32.cxx index 3565b3fc..b451d4d4 100644 --- a/Private/Source/Crc32.cxx +++ b/Private/Source/Crc32.cxx @@ -7,7 +7,7 @@ * ======================================================== */ -#include <NewKit/CRC32.hpp> +#include <NewKit/Crc32.hpp> // @file CRC32.cpp // @brief Checksum implementation. @@ -58,9 +58,9 @@ UInt kCrcTbl[kCrcCnt] = { 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d}; -/// @brief calculate CRC32 of series of byte. -Int ke_calculate_crc32(const Char *p, Int len) noexcept { - UInt32 crc = 0xffffffff; +/// @brief calculate CRC32 of pointer. +UInt ke_calculate_crc32(const Char *p, UInt len) noexcept { + UInt crc = 0xffffffff; while (len-- != 0) crc = kCrcTbl[((UInt8)crc ^ *(p++))] ^ (crc >> 8); |