1 files changed, 73 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/Common/RegisterArc.h b/src/libs/3rdparty/7zip/unix/CPP/7zip/Common/RegisterArc.h
new file mode 100644
index 000000000..82bd09673
--- /dev/null
+++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/Common/RegisterArc.h
@@ -0,0 +1,73 @@
+// RegisterArc.h
+
+#ifndef __REGISTER_ARC_H
+#define __REGISTER_ARC_H
+
+#include "../Archive/IArchive.h"
+
+#include <mutex>
+
+struct CArcInfo
+{
+  const char *Name;
+  const char *Ext;
+  const char *AddExt;
+
+  Byte ClassId;
+
+  Byte SignatureSize;
+  Byte Signature[20];
+  UInt16 SignatureOffset;
+
+  UInt16 Flags;
+
+  Func_CreateInArchive CreateInArchive;
+  Func_CreateOutArchive CreateOutArchive;
+  Func_IsArc IsArc;
+
+  bool IsMultiSignature() const { return (Flags & NArcInfoFlags::kMultiSignature) != 0; }
+
+  std::once_flag once;
+};
+
+void RegisterArc(const CArcInfo *arcInfo) throw();
+
+#define REGISTER_ARC_NAME(x) CRegister ## x
+
+#define REGISTER_ARC(x) struct REGISTER_ARC_NAME(x) \
+    { \
+        REGISTER_ARC_NAME(x)() \
+        { \
+            std::call_once(g_ArcInfo.once, [] { RegisterArc(&g_ArcInfo); }); \
+        } \
+    }; \
+    static REGISTER_ARC_NAME(x) g_RegisterArc; \
+    void registerArc##x() { static REGISTER_ARC_NAME(x) g_RegisterArc; }
+
+#define REGISTER_ARC_DEC_SIG(x) struct REGISTER_ARC_NAME(x) \
+    { \
+        REGISTER_ARC_NAME(x)() { \
+            std::call_once(g_ArcInfo.once, [] { \
+                g_ArcInfo.Signature[0]--; \
+                RegisterArc(&g_ArcInfo); \
+            }); \
+        } \
+    }; \
+    static REGISTER_ARC_NAME(x) g_RegisterArc; \
+    void registerArcDec##x() { static REGISTER_ARC_NAME(x) g_RegisterArc; }
+
+
+#define IMP_CreateArcIn_2(c) \
+  static IInArchive *CreateArc() { return new c; }
+
+#define IMP_CreateArcIn IMP_CreateArcIn_2(CHandler)
+
+#ifdef EXTRACT_ONLY
+  #define IMP_CreateArcOut
+  #define REF_CreateArc_Pair CreateArc, NULL
+#else
+  #define IMP_CreateArcOut static IOutArchive *CreateArcOut() { return new CHandler; }
+  #define REF_CreateArc_Pair CreateArc, CreateArcOut
+#endif
+
+#endif