FixedHash: Difference between revisions

FixedHash (view source)

176 bytes added , 4 years ago

→‎Entry: data size

Anonymous user

@@ Line 31: / Line 31: @@
 | 0x8 || u32[N + 1] || '''Offsets to the first entry in each bucket''' (relative to the Entries section)<br>0xFFFFFFFF for empty buckets.
 |-
-| X = (0x8 + 4*(N+1) + 3) & -8 || u64 || Entries section size
+| X = (0x8 + 4*(N+1) + 3) & -8 || u64 || '''Entries section size'''
 |-
 | X + 8 || Entry[...] || '''Entries'''
 |-
-| Y = align(X + entries section size, 8) || u64 || Entry offsets section size
+| Y = align(X + entries section size, 8) || u64 || '''Entry offsets section size'''
 |-
 | Y + 8 || u32[...] || '''Entry offsets''' (relative to the Entries section)
 |-
-| Z = align(Y + entry offset section size, 8) || u64 || Data section size
+| Z = align(Y + entry offset section size, 8) || u64 || '''Data section size'''
 |-
 | Z + 8 || any || '''Data'''
 |-
-| A = align(Z + data section size, 4) || u32 || Name section size
+| A = align(Z + data section size, 4) || u32 || '''Names section size'''
 |-
 | A + 4 || C strings || '''Names'''
@@ Line 54: / Line 54: @@
 |-
 | 0x0 || u16 || '''Node index''' if this describes a FixedHash child node (if so, it must be <= 0xFFED)
+Otherwise, must be >= 0xFFF0 for non-node data.
 |-
 | 0x2 || u16 || '''Name offset''' (relative to the Name section)
@@ Line 62: / Line 64: @@
 |-
 | 0xC || u32 || '''Data offset''' (relative to the Data section)
+For non-node data, the data size is stored at offset+0 as a u64 and the actual data is at offset+8.
 |-
 |}
 [[Category:File formats]]