diff options
Diffstat (limited to 'dev/Kernel/src/Crc32.cc')
| -rw-r--r-- | dev/Kernel/src/Crc32.cc | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/dev/Kernel/src/Crc32.cc b/dev/Kernel/src/Crc32.cc index bbc0f9bf..98821602 100644 --- a/dev/Kernel/src/Crc32.cc +++ b/dev/Kernel/src/Crc32.cc @@ -69,15 +69,14 @@ namespace NeOS /// @brief Calculate CRC32 of p /// @param p the data to compute. /// @param len the length of the data. - /// @return the CRC32. - UInt ke_calculate_crc32(const Char* p, UInt len) noexcept + /// @return CRC32 of **p**. + UInt32 ke_calculate_crc32(const Char* p, Int32 len) noexcept { - UInt crc = 0xffffffff; + UInt32 crc = 0xffffffff; - while (len-- != 0) + while (--len > 0) crc = kCrcTbl[((UInt8)crc ^ *(p++))] ^ (crc >> 8); - // return (~crc); also works, does the same thing. - return (crc ^ 0xffffffff); + return ~crc; } } // namespace NeOS |