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audit: EterBase CRC32/FileBase/MappedFile mapped, with port.utils checks

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-09-30 12:46:43 +09:00
co-authored by Claude Opus 5.5
parent 290a331aef
commit f9b1044a4a
5 changed files with 308 additions and 62 deletions
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audit/history.jsonl
+3
View File
@@ -603,3 +603,6 @@
{"date": "2026-09-30", "unit": "EterPythonLib/PythonGraphic.cpp", "action": "GenScreenShotTag/SaveJPEG PORTED, SaveScreenShot ADAPTED (next-frame readback via ScreenShotHost)", "evidence": "port.screenshot; desktop grp.SaveScreenShot() -> ~/Documents/METIN2/0930_124051.jpg, colours checked"} {"date": "2026-09-30", "unit": "EterPythonLib/PythonGraphic.cpp", "action": "GenScreenShotTag/SaveJPEG PORTED, SaveScreenShot ADAPTED (next-frame readback via ScreenShotHost)", "evidence": "port.screenshot; desktop grp.SaveScreenShot() -> ~/Documents/METIN2/0930_124051.jpg, colours checked"}
{"date": "2026-09-30", "unit": "EterBase/error.cpp", "action": "N_A (Win32 SEH crash log)", "evidence": "no reader of ErrorLog.txt in source or root .py"} {"date": "2026-09-30", "unit": "EterBase/error.cpp", "action": "N_A (Win32 SEH crash log)", "evidence": "no reader of ErrorLog.txt in source or root .py"}
{"date": "2026-09-30", "unit": "EterPythonLib/PythonGraphic.cpp", "action": "Destroy PORTED, GetD3D ADAPTED, SetOmniLight PORTED, RenderImage/RenderAlphaImage N_A", "evidence": "no callers of RenderImage/RenderAlphaImage; GetD3D covered by port.login_flow resolution check"} {"date": "2026-09-30", "unit": "EterPythonLib/PythonGraphic.cpp", "action": "Destroy PORTED, GetD3D ADAPTED, SetOmniLight PORTED, RenderImage/RenderAlphaImage N_A", "evidence": "no callers of RenderImage/RenderAlphaImage; GetD3D covered by port.login_flow resolution check"}
{"date": "2026-09-30", "unit": "EterBase/CRC32.cpp", "action": "GetCaseCRC32 PORTED; GetHFILECRC32/GetFileCRC32/GetFileSize ADAPTED", "evidence": "port.utils CRC32/CFileBase/CMappedFile checks"}
{"date": "2026-09-30", "unit": "EterBase/FileBase.cpp", "action": "all units mapped (FILE* over Win32 HANDLE); stale fstream note corrected", "evidence": "port.utils CRC32/CFileBase/CMappedFile checks"}
{"date": "2026-09-30", "unit": "EterBase/MappedFile.cpp", "action": "Map/Unmap ADAPTED (mmap), rest PORTED verbatim; stale ifstream note corrected", "evidence": "port.utils CRC32/CFileBase/CMappedFile checks"}
audit/port-map/EterBase/CRC32.cpp.json
+32 -4
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@@ -13,16 +13,44 @@
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" "test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)"
}, },
"GetCaseCRC32": { "GetCaseCRC32": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/CRC32.cpp:GetCaseCRC32"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250 loop (UPPER fold); CRCTable generated from 0xEDB88320, identical to the literal 40250 table."
}, },
"GetHFILECRC32": { "GetHFILECRC32": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/CRC32.cpp:GetHFILECRC32"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 maps the file (CreateFile + CreateFileMapping/MapViewOfFile from offset 0) and CRCs the whole view; the port reads the whole FILE* into a buffer. Invariant: same CRC of the full file, the handle's position is unchanged, 0 when the file cannot be opened."
}, },
"GetFileCRC32": { "GetFileCRC32": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/CRC32.cpp:GetFileCRC32"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 maps the file (CreateFile + CreateFileMapping/MapViewOfFile from offset 0) and CRCs the whole view; the port reads the whole FILE* into a buffer. Invariant: same CRC of the full file, the handle's position is unchanged, 0 when the file cannot be opened. Callers: GuildMarkUploader/GuildMarkDownloader symbol CRC, root pack CRC report."
}, },
"GetFileSize": { "GetFileSize": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/CRC32.cpp:GetFileSize"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "CreateFile + GetFileSize -> fopen + ftell(SEEK_END); 0 when the file is missing (40250 returns 0 on INVALID_HANDLE_VALUE). Caller: GuildMarkDownloader symbol size."
} }
} }
} }
audit/port-map/EterBase/FileBase.cpp.json
+89 -23
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@@ -5,68 +5,134 @@
"contracts": [], "contracts": [],
"functions": { "functions": {
"CFileBase::CFileBase": { "CFileBase::CFileBase": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::CFileBase" "src/platform/EterBase/FileBase.cpp:CFileBase::CFileBase"
], ],
"status": "ADAPTED", "test": [
"note": "platform CFileBase over std::fstream; open falls back to a case-insensitive path match (NTFS spelling)", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Same member initialisation."
}, },
"CFileBase::~CFileBase": { "CFileBase::~CFileBase": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::~CFileBase" "src/platform/EterBase/FileBase.cpp:CFileBase::~CFileBase"
], ],
"status": "ADAPTED", "test": [
"note": "platform CFileBase over std::fstream; open falls back to a case-insensitive path match (NTFS spelling)", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Same (Destroy)."
}, },
"CFileBase::GetFileName": { "CFileBase::GetFileName": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::GetFileName"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim (m_filename)."
}, },
"CFileBase::Destroy": { "CFileBase::Destroy": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Destroy" "src/platform/EterBase/FileBase.cpp:CFileBase::Destroy"
], ],
"status": "ADAPTED", "test": [
"note": "platform CFileBase over std::fstream; open falls back to a case-insensitive path match (NTFS spelling)", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Same (Close, m_dwSize = 0)."
}, },
"CFileBase::Close": { "CFileBase::Close": {
"status": "ADAPTED",
"impl": [ "impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Close" "src/platform/EterBase/FileBase.cpp:CFileBase::Close"
], ],
"status": "ADAPTED", "test": [
"note": "platform CFileBase over std::fstream; open falls back to a case-insensitive path match (NTFS spelling)", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. CloseHandle -> fclose."
}, },
"CFileBase::Create": { "CFileBase::Create": {
"status": "ADAPTED",
"impl": [ "impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Create" "src/platform/EterBase/FileBase.cpp:CFileBase::Create"
], ],
"status": "ADAPTED", "test": [
"note": "platform CFileBase over std::fstream; open falls back to a case-insensitive path match (NTFS spelling)", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. CreateFile modes kept: read = OPEN_EXISTING, write = OPEN_ALWAYS read/write (r+b, else w+b: no truncation). On POSIX a missing exact spelling falls back to a case-insensitive per-component match (NTFS names, e.g. pack/Index 'Etc' for ETC.eix)."
}, },
"CFileBase::Size": { "CFileBase::Size": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Size"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim (m_dwSize)."
}, },
"CFileBase::SeekCur": { "CFileBase::SeekCur": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::SeekCur"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. SetFilePointer(FILE_CURRENT) with a NULL high part takes the DWORD as a signed distance -> fseek(LONG(size), SEEK_CUR)."
}, },
"CFileBase::Seek": { "CFileBase::Seek": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Seek"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. Clamp to m_dwSize verbatim; SetFilePointer(FILE_BEGIN) -> fseek(SEEK_SET)."
}, },
"CFileBase::GetPosition": { "CFileBase::GetPosition": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::GetPosition"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. SetFilePointer(0, FILE_CURRENT) -> ftell."
}, },
"CFileBase::Write": { "CFileBase::Write": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Write"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. WriteFile -> fwrite (false on a short write), then m_dwSize from the stream size as 40250 re-reads GetFileSize."
}, },
"CFileBase::Read": { "CFileBase::Read": {
"status": "TODO" "status": "ADAPTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::Read"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "40250 wraps a Win32 HANDLE; the port keeps a stdio FILE* in m_hFile. ReadFile succeeds on a short read at end of file; fread + !ferror keeps that."
}, },
"CFileBase::IsNull": { "CFileBase::IsNull": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/FileBase.cpp:CFileBase::IsNull"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim (!m_hFile)."
} }
} }
} }
audit/port-map/EterBase/MappedFile.cpp.json
+109 -35
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@@ -5,100 +5,174 @@
"contracts": [], "contracts": [],
"functions": { "functions": {
"CMappedFile::CMappedFile": { "CMappedFile::CMappedFile": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::CMappedFile" "src/platform/EterBase/MappedFile.cpp:CMappedFile::CMappedFile"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::~CMappedFile": { "CMappedFile::~CMappedFile": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::~CMappedFile" "src/platform/EterBase/MappedFile.cpp:CMappedFile::~CMappedFile"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::Create": { "CMappedFile::Create": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Create" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Create"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::Get": { "CMappedFile::Get": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Get"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Link": { "CMappedFile::Link": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Link" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Link"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::BindLZObject": { "CMappedFile::BindLZObject": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::BindLZObject" "src/platform/EterBase/MappedFile.cpp:CMappedFile::BindLZObject"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::BindLZObjectWithBufferedSize": { "CMappedFile::BindLZObjectWithBufferedSize": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::BindLZObjectWithBufferedSize"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::AppendDataBlock": { "CMappedFile::AppendDataBlock": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::AppendDataBlock"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Destroy": { "CMappedFile::Destroy": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Destroy" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Destroy"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::Seek": { "CMappedFile::Seek": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Seek"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Map": { "CMappedFile::Map": {
"status": "ADAPTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Map" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Map"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "CreateFileMapping/MapViewOfFile -> POSIX mmap of the CFileBase stream (Windows build keeps the Win32 calls), view start aligned down to the page size as 40250 aligns to the allocation granularity; a zero-length view maps 1 byte (mmap rejects 0). Invariant: *dest points at file offset `offset`, Size() == the mapped length, a view past the end returns 0."
}, },
"CMappedFile::GetCurrentSeekPoint": { "CMappedFile::GetCurrentSeekPoint": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::GetCurrentSeekPoint"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Size": { "CMappedFile::Size": {
"status": "PORTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Size" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Size"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "Verbatim 40250."
}, },
"CMappedFile::GetPosition": { "CMappedFile::GetPosition": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::GetPosition"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Read": { "CMappedFile::Read": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Read"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::GetSeekPosition": { "CMappedFile::GetSeekPosition": {
"status": "TODO" "status": "PORTED",
"impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::GetSeekPosition"
],
"test": [
"tests/port/port_utils_test.cpp"
],
"note": "Verbatim 40250."
}, },
"CMappedFile::Unmap": { "CMappedFile::Unmap": {
"status": "ADAPTED",
"impl": [ "impl": [
"src/platform/EterBase/MappedFile.cpp:CMappedFile::Unmap" "src/platform/EterBase/MappedFile.cpp:CMappedFile::Unmap"
], ],
"status": "ADAPTED", "test": [
"note": "platform CMappedFile: std::ifstream read into an owned buffer instead of CreateFileMapping/MapViewOfFile; same Create/Map/Link/BindLZObject contract", "tests/port/port_utils_test.cpp"
"test": "tests/port/port_eterpack_test.cpp (103 packs, 54891 entries, first-registered wins, 4 SECURITY rejects)" ],
"note": "CreateFileMapping/MapViewOfFile -> POSIX mmap of the CFileBase stream (Windows build keeps the Win32 calls), view start aligned down to the page size as 40250 aligns to the allocation granularity; a zero-length view maps 1 byte (mmap rejects 0). Invariant: *dest points at file offset `offset`, Size() == the mapped length, a view past the end returns 0."
} }
} }
} }
tests/port/port_utils_test.cpp
+75
View File
@@ -1,11 +1,14 @@
#include "EterBase/StdAfx.h" #include "EterBase/StdAfx.h"
#include "EterBase/Utils.h" #include "EterBase/Utils.h"
#include "EterBase/FileLoader.h" #include "EterBase/FileLoader.h"
#include "EterBase/CRC32.h"
#include "EterBase/MappedFile.h"
#include <cstdio> #include <cstdio>
#include <cstring> #include <cstring>
#include <string> #include <string>
#include <vector> #include <vector>
#include <unistd.h>
int main() int main()
{ {
@@ -88,5 +91,77 @@ int main()
check(!disk.Open("/nonexistent/mt_fileloader"), "DiskFileLoader missing"); check(!disk.Open("/nonexistent/mt_fileloader"), "DiskFileLoader missing");
remove(path); remove(path);
} }
// CRC32: the IEEE check value, GetCaseCRC32 folds ASCII case (effect/sound/tree name keys), and the
// file variants (guild symbol CRC + size, GuildMarkDownloader) CRC the whole file.
{
check(GetCRC32("123456789", 9) == 0xCBF43926u, "GetCRC32 check value");
check(GetCaseCRC32("D:/Ymir Work/A.MSE", 18) == GetCaseCRC32("d:/ymir work/a.mse", 18), "GetCaseCRC32 case fold");
check(GetCaseCRC32("abc", 3) == GetCRC32("ABC", 3), "GetCaseCRC32 folds to upper case");
char path[] = "/tmp/mt_crc32_XXXXXX";
int fd = mkstemp(path);
FILE * fp = fdopen(fd, "wb");
fwrite("123456789", 1, 9, fp);
fclose(fp);
check(GetFileCRC32(path) == 0xCBF43926u, "GetFileCRC32");
check(GetFileSize(path) == 9, "GetFileSize");
fp = fopen(path, "rb");
fseek(fp, 4, SEEK_SET);
check(GetHFILECRC32(fp) == 0xCBF43926u && ftell(fp) == 4, "GetHFILECRC32 whole file, position kept");
fclose(fp);
check(GetFileCRC32("/nonexistent/mt_crc32") == 0 && GetFileSize("/nonexistent/mt_crc32") == 0, "CRC32 missing file");
remove(path);
}
// CFileBase (Win32 HANDLE -> FILE*): write mode opens without truncating and tracks the size, Seek clamps
// to the size, SeekCur takes the DWORD as a signed distance, Read succeeds on a short read.
// CMappedFile: the view at a non-aligned offset, Seek clamps, Read refuses past the end,
// AppendDataBlock re-links onto a copy.
{
char path[] = "/tmp/mt_filebase_XXXXXX";
close(mkstemp(path));
{
CFileBase f;
check(f.IsNull(), "CFileBase IsNull before Create");
check(f.Create(path, CFileBase::FILEMODE_WRITE) && !f.IsNull(), "CFileBase Create write");
check(strcmp(f.GetFileName(), path) == 0, "CFileBase GetFileName");
check(f.Write("abcdefgh", 8) && f.Size() == 8 && f.GetPosition() == 8, "CFileBase Write size/position");
}
{
CFileBase f;
check(f.Create(path, CFileBase::FILEMODE_WRITE) && f.Size() == 8, "CFileBase write mode keeps contents");
f.Seek(100);
check(f.GetPosition() == 8, "CFileBase Seek clamps to size");
f.Seek(2);
f.SeekCur(3);
check(f.GetPosition() == 5, "CFileBase SeekCur forward");
f.SeekCur(DWORD(-2));
check(f.GetPosition() == 3, "CFileBase SeekCur negative distance");
char buf[8] = {};
check(f.Read(buf, 2) && buf[0] == 'd' && buf[1] == 'e', "CFileBase Read");
check(f.Read(buf, 8), "CFileBase short Read succeeds");
}
{
CFileBase f;
check(!f.Create("/nonexistent/mt_filebase", CFileBase::FILEMODE_READ) && f.IsNull(), "CFileBase missing file");
}
{
CMappedFile mf;
const void * view = NULL;
check(mf.Create(path, &view, 3, 4) && memcmp(view, "defg", 4) == 0, "CMappedFile view at offset");
check(mf.Get() == view && mf.GetPosition() == 3 && mf.Size() == 4, "CMappedFile Get/GetPosition/Size");
char buf[8] = {};
check(mf.Read(buf, 3) && memcmp(buf, "def", 3) == 0 && mf.GetSeekPosition() == 3, "CMappedFile Read");
check(!mf.Read(buf, 2) && mf.GetSeekPosition() == 3, "CMappedFile Read past end");
check(*mf.GetCurrentSeekPoint() == 'g', "CMappedFile GetCurrentSeekPoint");
check(mf.Seek(1, CMappedFile::SEEK_TYPE_CURRENT) == 4 && mf.Seek(9, CMappedFile::SEEK_TYPE_CURRENT) == 4, "CMappedFile Seek current clamps");
check(mf.Seek(1, CMappedFile::SEEK_TYPE_END) == 3 && mf.Seek(1) == 1, "CMappedFile Seek end/begin");
BYTE * joined = mf.AppendDataBlock("XY", 2);
check(mf.Size() == 6 && memcmp(joined, "defgXY", 6) == 0, "CMappedFile AppendDataBlock");
check(!mf.Create(path, &view, 6, 4), "CMappedFile view past the end");
}
remove(path);
}
return failures ? 1 : 0; return failures ? 1 : 0;
} }