xnu-792.tar.gz

[apple/xnu.git] / bsd / hfs / hfs_endian.c

diff --git a/bsd/hfs/hfs_endian.c b/bsd/hfs/hfs_endian.c
index cd5843aafaef7af95a044fe8944bb35ec06b4c75..0341f15db049c4a559f7e8ab734030e6236661f0 100644 (file)
--- a/bsd/hfs/hfs_endian.c
+++ b/bsd/hfs/hfs_endian.c
@@ -355,6 +355,55 @@ hfs_swap_HFSPlusBTInternalNode (
             if (unswap) srcPtr[0] = SWAP_BE16 (srcPtr[0]);
         }
         
+    } else if (fileID == kHFSAttributesFileID) {
+       HFSPlusAttrKey *srcKey;
+       HFSPlusAttrRecord *srcRec;
+       
+       for (i = 0; i < srcDesc->numRecords; i++) {
+               srcKey = (HFSPlusAttrKey *)((char *)src->buffer + srcOffs[i]);
+               
+               if (!unswap) srcKey->keyLength = SWAP_BE16(srcKey->keyLength);
+               srcRec = (HFSPlusAttrRecord *)((char *)srcKey + srcKey->keyLength + 2);
+               if (unswap) srcKey->keyLength = SWAP_BE16(srcKey->keyLength);
+               
+               srcKey->fileID = SWAP_BE32(srcKey->fileID);
+               srcKey->startBlock = SWAP_BE32(srcKey->startBlock);
+               
+               if (!unswap) srcKey->attrNameLen = SWAP_BE16(srcKey->attrNameLen);
+               for (j = 0; j < srcKey->attrNameLen; j++)
+                       srcKey->attrName[j] = SWAP_BE16(srcKey->attrName[j]);
+               if (unswap) srcKey->attrNameLen = SWAP_BE16(srcKey->attrNameLen);
+               
+               /* If this is an index node, just swap the child node number */
+            if (srcDesc->kind == kBTIndexNode) {
+                *((UInt32 *)srcRec) = SWAP_BE32 (*((UInt32 *)srcRec));
+                continue;
+            }
+            
+            /* Swap the data record */
+            if (!unswap) srcRec->recordType = SWAP_BE32(srcRec->recordType);
+            switch (srcRec->recordType) {
+               case kHFSPlusAttrInlineData:
+                       /* We're not swapping the reserved fields */
+                       srcRec->attrData.attrSize = SWAP_BE32(srcRec->attrData.attrSize);
+                       /* Not swapping the attrData */
+                       break;
+               case kHFSPlusAttrForkData:
+                       /* We're not swapping the reserved field */
+                       hfs_swap_HFSPlusForkData(&srcRec->forkData.theFork);
+                       break;
+               case kHFSPlusAttrExtents:
+                       /* We're not swapping the reserved field */
+                       for (j = 0; j < kHFSPlusExtentDensity; j++) {
+                               srcRec->overflowExtents.extents[j].startBlock =
+                                       SWAP_BE32(srcRec->overflowExtents.extents[j].startBlock);
+                               srcRec->overflowExtents.extents[j].blockCount =
+                                       SWAP_BE32(srcRec->overflowExtents.extents[j].blockCount);
+                       }
+                       break;
+            }
+            if (unswap) srcRec->recordType = SWAP_BE32(srcRec->recordType);
+       }
     } else if (fileID > kHFSFirstUserCatalogNodeID) {
                HotFileKey *srcKey;
                UInt32 *srcRec;