1 files changed, 40 insertions, 39 deletions
diff --git a/src/x.c b/src/x.c
index dde874e..68b27e4 100644
--- a/src/x.c
+++ b/src/x.c
@@ -25,50 +25,51 @@
 #include <pthread.h>
 
 
-static Display* restrict display;
+static Display *restrict display;
 
 
-static double get_brightness(int screen)
+static double
+get_brightness(int screen)
 {
-  auto Window root = XRootWindow(display, screen);
-  auto long width  = (long)XDisplayWidth(display, screen);
-  auto long height = (long)XDisplayHeight(display, screen);
-  auto XImage* restrict image = XGetImage(display, root, 0, 0, width, height, AllPlanes, ZPixmap);
-  register double sum = 0;
-  register unsigned char* restrict pixels;
-  register unsigned char* restrict end;
-  
-  if (image == NULL)
-    return -1;
-  
-  pixels = (unsigned char*)(image->data);
-  end = pixels + width * height * 4;
-  
-  while (pixels != end)
-    {
-      sum += LINEAR_MAP[*pixels++];
-      sum += LINEAR_MAP[*pixels++];
-      sum += LINEAR_MAP[*pixels++];
-      pixels++;
-    }
-  
-  XDestroyImage(image);
-  return sum / (double)(height * width * 3);
+	auto Window root = XRootWindow(display, screen);
+	auto long width  = (long)XDisplayWidth(display, screen);
+	auto long height = (long)XDisplayHeight(display, screen);
+	auto XImage *restrict image = XGetImage(display, root, 0, 0, width, height, AllPlanes, ZPixmap);
+	register double sum = 0;
+	register unsigned char *restrict pixels;
+	register unsigned char *restrict end;
+
+	if (!image)
+		return -1;
+
+	pixels = (unsigned char *)(image->data);
+	end = pixels + width * height * 4;
+
+	while (pixels != end) {
+		sum += LINEAR_MAP[*pixels++];
+		sum += LINEAR_MAP[*pixels++];
+		sum += LINEAR_MAP[*pixels++];
+		pixels++;
+	}
+
+	XDestroyImage(image);
+	return sum / (double)(height * width * 3);
 }
 
 
-int main(void)
+int
+main(void)
 {
-  int screen, screens;
-  
-  if (display = XOpenDisplay(NULL), display == NULL)
-    return 1;
-  
-  screens = (size_t)ScreenCount(display);
-  for (screen = 0; screen < screens; screen++)
-    fprintf(stderr, "%lf\n", get_brightness(screen));
-  
-  XCloseDisplay(display);
-  return 0;
-}
+	int screen, screens;
+
+	display = XOpenDisplay(NULL)
+		if (!display)
+			return 1;
 
+	screens = (size_t)ScreenCount(display);
+	for (screen = 0; screen < screens; screen++)
+		fprintf(stderr, "%lf\n", get_brightness(screen));
+
+	XCloseDisplay(display);
+	return 0;
+}