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// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef DRIVERKIT_CHECKSUM_H
#define DRIVERKIT_CHECKSUM_H
#include <DriverKit/ObjectKit/driver_base.h>
namespace Kernel::DDK {
using IndexableBlob = char*;
using Indexable = char;
/// @note This uses the FNV 64-bit variant.
/// @brief Performs a checksum computation for a memory region.
inline uintptr_t rtl_checksum(const IndexableBlob path) {
if (!path || *path == 0) return 0;
const uintptr_t kFNVSeed = 0xcbf29ce484222325ULL;
const uintptr_t kFNVPrime = 0x100000001b3ULL;
uintptr_t hash = kFNVSeed;
IndexableBlob path_ = path;
while (*path_) {
hash ^= (Indexable) (*path_++);
hash *= kFNVPrime;
}
return hash;
}
using Blob = void*;
} // namespace Kernel::DDK
#endif
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