fixes following cppcheck warnings

src/common/utils.h

@@ -116,11 +116,10 @@
 	} while (0)
 
 
-#define _STARPU_MALLOC(ptr, size) do { ptr = malloc(size); STARPU_ASSERT_MSG(ptr != NULL, "Cannot allocate %ld bytes\n", (long) size); } while (0)
+#define _STARPU_MALLOC(ptr, size) do { ptr = malloc(size); STARPU_ASSERT_MSG(ptr != NULL, "Cannot allocate %ld bytes\n", (long) (size)); } while (0)
 #define _STARPU_CALLOC(ptr, nmemb, size) do { ptr = calloc(nmemb, size); STARPU_ASSERT_MSG(ptr != NULL, "Cannot allocate %ld bytes\n", (long) (nmemb*size)); } while (0)
-#define _STARPU_REALLOC(ptr, size) do { void *_new_ptr = realloc(ptr, size); STARPU_ASSERT_MSG(_new_ptr != NULL, "Cannot reallocate %ld bytes\n", (long) size); ptr = _new_ptr;} while (0)
-
-#define _STARPU_MALLOC_CAST(ptr, size, type) do { ptr = (type) malloc(size); STARPU_ASSERT_MSG(ptr != NULL, "Cannot allocate %ld bytes\n", (long) size); } while (0)
+#define _STARPU_REALLOC(ptr, size) do { void *_new_ptr = realloc(ptr, size); STARPU_ASSERT_MSG(_new_ptr != NULL, "Cannot reallocate %ld bytes\n", (long) (size)); ptr = _new_ptr;} while (0)
+#define _STARPU_MALLOC_CAST(ptr, size, type) do { ptr = (type) malloc(size); STARPU_ASSERT_MSG(ptr != NULL, "Cannot allocate %ld bytes\n", (long) (size)); } while (0)
 
 #ifdef _MSC_VER
 #define _STARPU_IS_ZERO(a) (a == 0.0)

src/core/disk_ops/disk_hdf5.c

@@ -421,7 +421,8 @@ static void *starpu_hdf5_plug(void *parameter, starpu_ssize_t size STARPU_ATTRIB
                 base->fileID = H5Fopen((char *)parameter, H5F_ACC_RDWR, H5P_DEFAULT);
                 if (base->fileID < 0) 
                 {
-                        free(base); 
+                        free(base);
+			free(path);
                         _STARPU_ERROR("Can not open the HDF5 file (%s)", (char *) parameter);
 			return NULL;
                 }

src/core/topology.c

@@ -2077,7 +2077,7 @@ _starpu_init_workers_binding (struct _starpu_machine_config *config, int no_mp_c
 
 		workerarg->memory_node = memory_node;
 
-		_STARPU_DEBUG("worker %d type %d devid %u bound to cpu %d, STARPU memory node %u\n", worker, workerarg->arch, devid, workerarg->bindid, memory_node);
+		_STARPU_DEBUG("worker %u type %d devid %u bound to cpu %d, STARPU memory node %u\n", worker, workerarg->arch, devid, workerarg->bindid, memory_node);
 
 #ifdef __GLIBC__
 		if (workerarg->bindid != -1)