0e34f07e13
Batch #850 by ragnarok-clanker: 0 byte-identical, 10 confirmed by peer review. - fn_00142 CRC32::CRC32: logic confirmed by peer review - fn_00143 CRC32::~CRC32: logic confirmed by peer review - fn_00144 CRC32::Update: logic confirmed by peer review - fn_00145 CRC32::UpdateFile: logic confirmed by peer review - fn_00146 CRC32::Calculate: logic confirmed by peer review - fn_00147 CRC32::Calculate: logic confirmed by peer review - fn_00148 CRC32::CalculateLowercase: logic confirmed by peer review - fn_00149 CRC32::CalculateLowercase: logic confirmed by peer review - fn_00150 CRC32::Calculate: logic confirmed by peer review - fn_00151 CRC32::CalculateFile: logic confirmed by peer review Reviewed-by: ragnarok-clanker Adds to the build: Source/Utility/CRC32.cpp
36 lines
952 B
C++
36 lines
952 B
C++
#ifndef RAGNAROK_SOURCE_UTILITY_CRC32_H
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#define RAGNAROK_SOURCE_UTILITY_CRC32_H
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#include <cstddef>
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#include <windows.h>
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class CRC32 {
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public:
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enum Error : DWORD {
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InvalidArgument = 1,
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FileOpenFailed = 2,
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FileReadFailed = 3,
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FileSeekFailed = 4
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};
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/* 0000 */ DWORD m_table[256];
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/* 0400 */ DWORD m_error;
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CRC32();
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~CRC32();
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bool Update(const BYTE* data, int length, DWORD* checksum);
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bool UpdateFile(const WCHAR* filename, LONG offset, DWORD length, DWORD* checksum);
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DWORD Calculate(const char* text);
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DWORD Calculate(const WCHAR* text);
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DWORD CalculateLowercase(const char* text);
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DWORD CalculateLowercase(const WCHAR* text);
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bool Calculate(const BYTE* data, int length, DWORD* checksum);
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bool CalculateFile(const WCHAR* filename, DWORD* checksum);
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};
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static_assert(offsetof(CRC32, m_table) == 0x0000);
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static_assert(offsetof(CRC32, m_error) == 0x0400);
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static_assert(sizeof(CRC32) == 0x0404);
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#endif
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