Issue #300: Use %p instead of %lx in test_util_file since some platforms' pointers are larger than "unsigned long".

Also, there's no need to worry about output consistency here, since it'll be
 different anyway due to different pointer values.

tests/test_util_file.c

@@ -147,8 +147,8 @@ static void test_read_nonexistant()
 	json_object *jso = json_object_from_file(filename);
 	if (jso != NULL)
 	{
-		printf("FAIL: json_object_from_file(%s) returned 0x%lx when NULL expected\n",
-		       filename, (unsigned long)jso);
+		printf("FAIL: json_object_from_file(%s) returned %p when NULL expected\n",
+		       filename, (void *)jso);
 		json_object_put(jso);
 	}
 	else
@@ -178,14 +178,14 @@ static void test_read_closed()
 	json_object *jso = json_object_from_fd(fixed_d);
 	if (jso != NULL)
 	{
-		printf("FAIL: read from closed fd returning non-NULL: 0x%lx\n",
-		       (unsigned long) jso);
+		printf("FAIL: read from closed fd returning non-NULL: %p\n",
+		       (void *)jso);
 		fflush(stdout);
 		printf("  jso=%s\n", json_object_to_json_string(jso));
 		json_object_put(jso);
 		return;
 	}
 	printf("OK: json_object_from_fd(closed_fd), "
-	       "expecting NULL, EBADF, got:0x%lx, %s\n",
-	       (unsigned long)jso, json_util_get_last_err());
+	       "expecting NULL, EBADF, got:NULL, %s\n",
+	       json_util_get_last_err());
 }

tests/test_util_file.expected

@@ -1,7 +1,7 @@
 OK: json_object_from_fd(./valid.json)={ "foo": 123 }
 OK: json_object_from_file(./not_present.json) correctly returned NULL: json_object_from_file: error opening file ./not_present.json: ERRNO=ENOENT
 
-OK: json_object_from_fd(closed_fd), expecting NULL, EBADF, got:0x0, json_object_from_fd: error reading fd 10: ERRNO=EBADF
+OK: json_object_from_fd(closed_fd), expecting NULL, EBADF, got:NULL, json_object_from_fd: error reading fd 10: ERRNO=EBADF
 
 OK: json_object_to_file(json.out, jso)=0
 file[json.out], size=336, contents={"foo":1234,"foo1":"abcdefghijklmnopqrstuvwxyz","foo2":"abcdefghijklmnopqrstuvwxyz","foo3":"abcdefghijklmnopqrstuvwxyz","foo4":"abcdefghijklmnopqrstuvwxyz","foo5":"abcdefghijklmnopqrstuvwxyz","foo6":"abcdefghijklmnopqrstuvwxyz","foo7":"abcdefghijklmnopqrstuvwxyz","foo8":"abcdefghijklmnopqrstuvwxyz","foo9":"abcdefghijklmnopqrstuvwxyz"}