Fixes #153: Exception thrown reading strings

Author: Vincent Wilms

CHANGELOG.md

@@ -1,3 +1,8 @@
+## v2.1.2 - 2026-03-17
+
+### Bugs fixed
+- The global heap collection was not read properly. (#153)
+
 ## v2.1.1 - 2024-08-16
 
 ### Bugs fixed

src/PureHDF/VOL/Native/FileFormat/Level1/GlobalHeap/GlobalHeapCollection.cs

@@ -44,7 +44,7 @@ readonly get
     public static GlobalHeapCollection Decode(NativeReadContext context)
     {
         // TODO: do not decode individual global heap objects and use a Memory<byte> of size 4096 instead
-
+        
         var (driver, superblock) = context;
 
         // signature
@@ -64,7 +64,7 @@ public static GlobalHeapCollection Decode(NativeReadContext context)
         var globalHeapObjects = new Dictionary<int, GlobalHeapObject>();
 
         var headerSize = 8UL + superblock.LengthsSize;
-        var remaining = collectionSize;
+        var remaining = collectionSize - headerSize;
 
         while (remaining > headerSize)
         {
@@ -83,8 +83,8 @@ public static GlobalHeapCollection Decode(NativeReadContext context)
         }
 
         return new GlobalHeapCollection(
-            GlobalHeapObjects: globalHeapObjects
-        )
+GlobalHeapObjects: globalHeapObjects
+)
         {
             Version = version,
             CollectionSize = collectionSize

version.json

@@ -1,4 +1,4 @@
 {
-    "version": "2.1.1",
+    "version": "2.1.2",
     "suffix": ""
 }