coreinit: Add MEMCheckExpHeap and MEMCheckHeap (#358)

* coreinit: Add MEMCheckExpHeap and MEMCheckHeap

* coreinit: Fix MEMCheckExpHeap and MEMCheckHeap functions

Author: Maschell

include/coreinit/memexpheap.h

@@ -31,6 +31,12 @@ typedef enum MEMExpHeapDirection
    MEM_EXP_HEAP_DIR_FROM_BOTTOM     = 1,
 } MEMExpHeapDirection;
 
+typedef enum MEMExpHeapCheckFlags
+{
+   MEM_EXP_HEAP_CHECK_FLAGS_NONE        = 0,
+   MEM_EXP_HEAP_CHECK_FLAGS_LOG_ERRORS  = 1,
+} MEMExpHeapCheckFlags;
+
 struct MEMExpHeapBlock
 {
    uint32_t attribs;
@@ -131,6 +137,10 @@ MEMVisitAllocatedForExpHeap(MEMHeapHandle heap,
                             MEMExpHeapBlockVisitor callback,
                             void *context);
 
+BOOL
+MEMCheckExpHeap(MEMHeapHandle handle,
+                MEMExpHeapCheckFlags mode);
+
 #ifdef __cplusplus
 }
 #endif

include/coreinit/memheap.h

@@ -144,6 +144,12 @@ void
 MEMSetFillValForHeap(MEMHeapFillType type,
                      uint32_t value);
 
+/**
+ * Checks the heap for corruption
+ */
+BOOL
+MEMCheckHeap(MEMHeapHandle handle);
+
 #ifdef __cplusplus
 }
 #endif