diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zUpdate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zUpdate.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,80 @@
+// 7zUpdate.h
+
+#ifndef __7Z_UPDATE_H
+#define __7Z_UPDATE_H
+
+#include "7zIn.h"
+#include "7zOut.h"
+#include "7zCompressionMode.h"
+
+#include "../IArchive.h"
+
+namespace NArchive {
+namespace N7z {
+
+struct CUpdateItem
+{
+  bool NewData;
+  bool NewProperties;
+  int IndexInArchive;
+  int IndexInClient;
+  
+  UInt32 Attributes;
+  FILETIME CreationTime;
+  FILETIME LastWriteTime;
+  FILETIME LastAccessTime;
+
+  UInt64 Size;
+  UString Name;
+  
+  bool IsAnti;
+  bool IsDirectory;
+
+  bool IsCreationTimeDefined;
+  bool IsLastWriteTimeDefined;
+  bool IsLastAccessTimeDefined;
+  bool AttributesAreDefined;
+
+  bool HasStream() const 
+    { return !IsDirectory && !IsAnti && Size != 0; }
+  CUpdateItem():  
+      IsAnti(false), 
+      AttributesAreDefined(false), 
+      IsCreationTimeDefined(false), 
+      IsLastWriteTimeDefined(false), 
+      IsLastAccessTimeDefined(false)
+      {}
+  void SetDirectoryStatusFromAttributes()
+    { IsDirectory = ((Attributes & FILE_ATTRIBUTE_DIRECTORY) != 0); };
+
+  int GetExtensionPos() const;
+  UString GetExtension() const;
+};
+
+struct CUpdateOptions
+{
+  const CCompressionMethodMode *Method;
+  const CCompressionMethodMode *HeaderMethod;
+  bool UseFilters;
+  bool MaxFilter;
+
+  CHeaderOptions HeaderOptions;
+
+  UInt64 NumSolidFiles;
+  UInt64 NumSolidBytes;
+  bool SolidExtension;
+  bool RemoveSfxBlock;
+  bool VolumeMode;
+};
+
+HRESULT Update(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    IInStream *inStream,
+    const CArchiveDatabaseEx *database,
+    const CObjectVector<CUpdateItem> &updateItems,
+    ISequentialOutStream *seqOutStream,
+    IArchiveUpdateCallback *updateCallback,
+    const CUpdateOptions &options);
+}}
+
+#endif