chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0
Architectures: x86-ansi, x86-unicode, amd64-unicode
License: LGPL-2.1-or-later

versions/19.00/CPP/7zip/Archive/7z/7zHeader.cpp

@@ -0,0 +1,19 @@
+// 7zHeader.cpp
+
+#include "StdAfx.h"
+
+#include "7zHeader.h"
+
+namespace NArchive {
+namespace N7z {
+
+Byte kSignature[kSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
+#ifdef _7Z_VOL
+Byte kFinishSignature[kSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C + 1};
+#endif
+
+// We can change signature. So file doesn't contain correct signature.
+// struct SignatureInitializer { SignatureInitializer() { kSignature[0]--; } };
+// static SignatureInitializer g_SignatureInitializer;
+
+}}