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Bundle LZMA SDK for .edz extraction; drop 7z CLI dependency (M3)

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Replaces the QProcess->7z shim with the public-domain LZMA SDK (23.01) 7-Zip
reader, vendored under sources/import/edz/lzma/ (decode-only subset). New
edzsevenzip.cpp wraps SzArEx_Open/SzArEx_Extract and writes entries via Qt, so
EdzArchive no longer needs an external 7-Zip at runtime. Enables the C language
in CMake for the vendored sources.

Verified: the bundled decoder extracts all three ifm sample .edz and the
generated elements still match the Python oracle exactly (byte-correct decode),
with no 7z on the path.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Shane Ringrose
2026-06-20 07:49:14 +12:00
parent f4ff6c81f9
commit e4b4ba875b
64 changed files with 14706 additions and 83 deletions
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sources/import/edz/lzma/DllSecur.h
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/* DllSecur.h -- DLL loading for security
2023-03-03 : Igor Pavlov : Public domain */
#ifndef ZIP7_INC_DLL_SECUR_H
#define ZIP7_INC_DLL_SECUR_H
#include "7zTypes.h"
EXTERN_C_BEGIN
#ifdef _WIN32
void My_SetDefaultDllDirectories(void);
void LoadSecurityDlls(void);
#endif
EXTERN_C_END
#endif