Support for protected SCX files

1 files changed, 3 insertions, 2 deletions

diff --git a/src/SBaseCommon.cpp b/src/SBaseCommon.cpp
index a1aa78e..98d541a 100644
--- a/src/SBaseCommon.cpp
+++ b/src/SBaseCommon.cpp
@@ -1334,11 +1334,12 @@ DWORD AllocateSectorOffsets(TMPQFile * hf, bool bLoadFromFile)
             // They are mostly empty on WoW release MPQs, but on MPQs from PTR,

             // they contain random non-zero data. Their meaning is unknown.

             //

-            // These extra values are, however, include in the dwCmpSize in the file

+            // These extra values are, however, included in the dwCmpSize in the file

             // table. We cannot ignore them, because compacting archive would fail

             //

 

-            if(hf->SectorOffsets[0] > dwSectorOffsLen)

+            // Clear the lower 2 bits in order to make sure that the value is aligned to 4 bytes

+            if((hf->SectorOffsets[0] & 0xFFFFFFFC) > dwSectorOffsLen)

             {

                 // MPQ protectors put some ridiculous values there. We must limit the extra bytes

                 if(hf->SectorOffsets[0] > (dwSectorOffsLen + 0x400))