9.169.16

3 files changed, 29 insertions, 14 deletions

diff --git a/CPP/7zip/Archive/Tar/TarHandlerOut.cpp b/CPP/7zip/Archive/Tar/TarHandlerOut.cpp
index 92b8abdc..a999f838 100755
--- a/CPP/7zip/Archive/Tar/TarHandlerOut.cpp
+++ b/CPP/7zip/Archive/Tar/TarHandlerOut.cpp
@@ -107,8 +107,11 @@ STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numIt
       if (prop.vt != VT_UI8)
         return E_INVALIDARG;
       ui.Size = prop.uhVal.QuadPart;
+      /*
+      // now we support GNU extension for big files
       if (ui.Size >= ((UInt64)1 << 33))
         return E_INVALIDARG;
+      */
     }
     updateItems.Add(ui);
   }
diff --git a/CPP/7zip/Archive/Tar/TarIn.cpp b/CPP/7zip/Archive/Tar/TarIn.cpp
index 939c6c0a..c9c3c422 100755
--- a/CPP/7zip/Archive/Tar/TarIn.cpp
+++ b/CPP/7zip/Archive/Tar/TarIn.cpp
@@ -2,6 +2,8 @@
 
 #include "StdAfx.h"
 
+#include "../../../../C/CpuArch.h"
+
 #include "Common/StringToInt.h"
 
 #include "../../Common/StreamUtils.h"
@@ -92,7 +94,16 @@ static HRESULT GetNextItemReal(ISequentialInStream *stream, bool &filled, CItemE
   if (!OctalToNumber32(p, 8, item.UID)) item.UID = 0; p += 8;
   if (!OctalToNumber32(p, 8, item.GID)) item.GID = 0; p += 8;
 
-  RIF(OctalToNumber(p, 12, item.Size)); p += 12;
+  if (GetBe32(p) == (UInt32)1 << 31)
+  {
+    // GNU extension
+    item.Size = GetBe64(p + 4);
+  }
+  else
+  {
+    RIF(OctalToNumber(p, 12, item.Size));
+  }
+  p += 12;
   RIF(OctalToNumber32(p, 12, item.MTime)); p += 12;
   
   UInt32 checkSum;
diff --git a/CPP/7zip/Archive/Tar/TarOut.cpp b/CPP/7zip/Archive/Tar/TarOut.cpp
index 1ec314c7..e542a3b2 100755
--- a/CPP/7zip/Archive/Tar/TarOut.cpp
+++ b/CPP/7zip/Archive/Tar/TarOut.cpp
@@ -53,17 +53,23 @@ static bool MakeOctalString8(char *s, UInt32 value)
   return true;
 }
 
-static bool MakeOctalString12(char *s, UInt64 value)
+static void MakeOctalString12(char *s, UInt64 value)
 {
   AString tempString  = MakeOctalString(value);
   const int kMaxSize = 12;
   if (tempString.Length() > kMaxSize)
-    return false;
+  {
+    // GNU extension;
+    s[0] = (char)(Byte)0x80;
+    s[1] = s[2] = s[3] = 0;
+    for (int i = 0; i < 8; i++, value <<= 8)
+      s[4 + i] = (char)(value >> 56);
+    return;
+  }
   int numSpaces = kMaxSize - tempString.Length();
   for(int i = 0; i < numSpaces; i++)
     s[i] = ' ';
   memmove(s + numSpaces, (const char *)tempString, tempString.Length());
-  return true;
 }
 
 static bool CopyString(char *dest, const AString &src, int maxSize)
@@ -90,17 +96,12 @@ HRESULT COutArchive::WriteHeaderReal(const CItem &item)
   MyStrNCpy(cur, item.Name, NFileHeader::kNameSize);
   cur += NFileHeader::kNameSize;
 
-  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.Mode));
-  cur += 8;
-  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.UID));
-  cur += 8;
-  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.GID));
-  cur += 8;
+  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.Mode)); cur += 8;
+  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.UID)); cur += 8;
+  RETURN_IF_NOT_TRUE(MakeOctalString8(cur, item.GID)); cur += 8;
 
-  RETURN_IF_NOT_TRUE(MakeOctalString12(cur, item.Size));
-  cur += 12;
-  RETURN_IF_NOT_TRUE(MakeOctalString12(cur, item.MTime));
-  cur += 12;
+  MakeOctalString12(cur, item.Size); cur += 12;
+  MakeOctalString12(cur, item.MTime); cur += 12;
   
   memmove(cur, NFileHeader::kCheckSumBlanks, 8);
   cur += 8;