Fix handling of size argument

fwbench.c

@@ -111,7 +111,7 @@ void Usage(int argc,  char* const argv[], const char *format, ...) {
 "   -n frames		- Number of frames to write\n"
 "   -g <width>x<height>	- Geometry [1024]\n"
 "   -g <pixels>		- Number of megapixels [0.7]\n"
-"   -m <percent>	- Tolerable missing frames  [100%%]\n"
+"   -m <percent>	        - Tolerable missing frames  [100%%]\n"
 "   -q			- Quiete\n"
 "   -h			- Help\n"
 "\n\n",
@@ -173,7 +173,7 @@ static void set_time(setup_t *setup, size_t run_time) {
 }
 
 static void set_size(setup_t *setup, size_t size) {
-    setup->iters = size / setup->frame_size + (size % setup->frame_size)?1:0;
+    setup->iters = size / setup->frame_size + ((size % setup->frame_size)?1:0);
 }
 
 static void set_frames_per_file(setup_t *setup, size_t fpf) {
@@ -521,7 +521,8 @@ int main(int argc, char* const argv[])
         result = read(fd, buffer, setup.frame_size - setup.num_read);
     }
 
-    printf("Wrote %lu GB\n", setup.frame_size * setup.frames / 1024 / 1024 / 1024);
+    if (!quiet)
+	printf("Wrote %lu GB\n", setup.frame_size * setup.frames / 1024 / 1024 / 1024);
 
     g_thread_join(thr);