Use size_t for heap-sizes.

cpukit/score/include/rtems/score/heap.h

@@ -282,7 +282,7 @@ uint32_t   _Heap_Initialize(
 Heap_Extend_status _Heap_Extend(
   Heap_Control *the_heap,
   void         *starting_address,
-  uint32_t      size,
+  size_t        size,
   uint32_t     *amount_extended
 );
 
@@ -297,7 +297,7 @@ Heap_Extend_status _Heap_Extend(
  */
 void *_Heap_Allocate(
   Heap_Control *the_heap,
-  uint32_t    size
+  size_t        size
 );
 
 /**
@@ -450,8 +450,8 @@ void _Heap_Get_free_information(
  *
  *  @return This method returns block size on success, 0 if overflow occured.
  */
-extern uint32_t _Heap_Calc_block_size(
-  uint32_t size,
+extern size_t _Heap_Calc_block_size(
+  size_t   size,
   uint32_t page_size,
   uint32_t min_size
 );

cpukit/score/src/heap.c

@@ -205,8 +205,8 @@ uint32_t   _Heap_Initialize(
  * Convert user requested 'size' of memory block to the block size.
  * Return block size on success, 0 if overflow occured
  */
-uint32_t _Heap_Calc_block_size(
-  uint32_t size,
+size_t _Heap_Calc_block_size(
+  size_t   size,
   uint32_t page_size,
   uint32_t min_size)
 {

cpukit/score/src/heapallocate.c

@@ -36,7 +36,7 @@
 
 void *_Heap_Allocate(
   Heap_Control        *the_heap,
-  uint32_t             size
+  size_t               size
 )
 {
   uint32_t  the_size;

cpukit/score/src/heapextend.c

@@ -38,7 +38,7 @@
 Heap_Extend_status _Heap_Extend(
   Heap_Control        *the_heap,
   void                *starting_address,
-  uint32_t             size,
+  size_t               size,
   uint32_t            *amount_extended
 )
 {