Fixed memmanager and add assertion (#277)

* Fixed memmanager and add assertion

assertion added for functions which are returning status on freeing memory

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Added NULL for free function

Nullptr can be inserted if allocation failed. Expected state.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Keep backward compatibility with older version of driver.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

* Changes based on PR.

Signed-off-by: Cervenka Dusan <cervenka@acrios.com>

Author: Hadatko

erpc_c/port/erpc_config_internal.h

@@ -196,7 +196,7 @@
 #endif
 
 #if !defined(erpc_assert)
-    #if ERPC_HAS_FREERTOSCONFIG_H 
+    #if ERPC_HAS_FREERTOSCONFIG_H
         #ifdef __cplusplus
             extern "C" {
         #endif

erpc_c/port/erpc_port_memmanager.cpp

@@ -13,7 +13,7 @@
 
 extern "C" {
 #include "FreeRTOS.h"
-#include "MemManager.h"
+#include "fsl_component_mem_manager.h"
 }
 
 #if !(__embedded_cplusplus)
@@ -58,13 +58,16 @@ void operator delete[](void *ptr) THROW
 
 void *erpc_malloc(size_t size)
 {
-    void *p = MEM_BufferAllocForever(size, 0);
+    void *p = MEM_BufferAlloc(size);
     return p;
 }
 
 void erpc_free(void *ptr)
 {
-    MEM_BufferFree(ptr);
+    if (ptr != NULL)
+    {
+        erpc_assert(MEM_BufferFree(ptr) == kStatus_MemSuccess);
+    }
 }
 
 /* Provide function for pure virtual call to avoid huge demangling code being linked in ARM GCC */

erpc_c/port/erpc_port_mqx.cpp

@@ -62,7 +62,10 @@ void *erpc_malloc(size_t size)
 
 void erpc_free(void *ptr)
 {
-    _mem_free(ptr);
+    if (ptr != NULL)
+    {
+        erpc_assert(_mem_free(ptr) == MQX_OK);
+    }
 }
 
 /* Provide function for pure virtual call to avoid huge demangling code being linked in ARM GCC */