A little closer to style(9).

1 files changed, 64 insertions, 58 deletions

diff --git a/sys/modules/syscons/fire/fire_saver.c b/sys/modules/syscons/fire/fire_saver.c
index 7c59d9e..8b6492d 100644
--- a/sys/modules/syscons/fire/fire_saver.c
+++ b/sys/modules/syscons/fire/fire_saver.c
@@ -23,7 +23,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: fire_saver.c,v 1.2 1999/05/04 12:58:56 jkh Exp $
  */
 
 /*
@@ -48,83 +48,89 @@
 #define X_SIZE 320
 #define Y_SIZE 200
 
-int blanked;
-u_char fire_pal[768];
-u_char buf[X_SIZE * (Y_SIZE + 1)];
+static int blanked;
+static u_char fire_pal[768];
+static u_char buf[X_SIZE * (Y_SIZE + 1)];
+static u_char *vid;
 
-int fire_saver(video_adapter_t *adp, int blank) {
-  static u_char *vid;
-  int x, y;
+static int
+fire_saver(video_adapter_t *adp, int blank)
+{
+    int x, y;
 
-  if (blank) {
-    if (blanked <= 0) {
-      int red, green, blue;
-      int palette_index;
+    if (blank) {
+	if (blanked <= 0) {
+	    int red, green, blue;
+	    int palette_index;
       
-      set_video_mode(adp, M_VGA_CG320);
+	    set_video_mode(adp, M_VGA_CG320);
       
-      /* build palette */
-      red = green = blue = 0;
-      for (palette_index = 0; palette_index < 256; palette_index++) {
-
-	red++;
-	if (red > 128)
-	  green += 2;
+	    /* build and load palette */
+	    red = green = blue = 0;
+	    for (palette_index = 0; palette_index < 256; palette_index++) {
+		red++;
+		if (red > 128)
+		    green += 2;
 	
-	fire_pal[(palette_index * 3) + 0] = red;
-	fire_pal[(palette_index * 3) + 1] = green;
-	fire_pal[(palette_index * 3) + 2] = blue;
-      }
-      load_palette(adp, fire_pal);
+		fire_pal[(palette_index * 3) + 0] = red;
+		fire_pal[(palette_index * 3) + 1] = green;
+		fire_pal[(palette_index * 3) + 2] = blue;
+	    }
+	    load_palette(adp, fire_pal);
       
-      blanked++;
-      vid = (u_char *)adp->va_window;
-    }
+	    blanked++;
+	    vid = (u_char *)adp->va_window;
+	}
     
-    /* make a new bottom line */
-    for (x = 0, y = Y_SIZE; x < X_SIZE; x++) 
-      buf[x + (y * X_SIZE)] = random() % 160 + 96;
+	/* make a new bottom line */
+	for (x = 0, y = Y_SIZE; x < X_SIZE; x++) 
+	    buf[x + (y * X_SIZE)] = random() % 160 + 96;
   
-    /* fade the flames out */
-    for (y = 0; y < Y_SIZE; y++) {
-      for (x = 0; x < X_SIZE; x++) {
-	buf[x + (y * X_SIZE)] = (buf[(x + 0) + ((y + 0) * X_SIZE)] +
-				 buf[(x - 1) + ((y + 1) * X_SIZE)] +
-				 buf[(x + 0) + ((y + 1) * X_SIZE)] +
-				 buf[(x + 1) + ((y + 1) * X_SIZE)]) / 4;
-	if (buf[x + (y * X_SIZE)] > 0)
-	  buf[x + (y * X_SIZE)]--;
-      }
-    }
+	/* fade the flames out */
+	for (y = 0; y < Y_SIZE; y++) {
+	    for (x = 0; x < X_SIZE; x++) {
+		buf[x + (y * X_SIZE)] = (buf[(x + 0) + ((y + 0) * X_SIZE)] +
+					 buf[(x - 1) + ((y + 1) * X_SIZE)] +
+					 buf[(x + 0) + ((y + 1) * X_SIZE)] +
+					 buf[(x + 1) + ((y + 1) * X_SIZE)]) / 4;
+		if (buf[x + (y * X_SIZE)] > 0)
+		    buf[x + (y * X_SIZE)]--;
+	    }
+	}
     
-    /* put our buffer into video ram */
-    memcpy(vid, buf, X_SIZE * Y_SIZE);
-  } else {
-    blanked = 0;
-  }
+	/* blit our buffer into video ram */
+	memcpy(vid, buf, X_SIZE * Y_SIZE);
+    } else {
+	blanked = 0;
+    }
   
-  return(0);
+    return 0;
 }
 
-int fire_initialise(video_adapter_t *adp) {
-  video_info_t info;
+static int
+fire_initialise(video_adapter_t *adp)
+{   
+    video_info_t info;
   
-  if (get_mode_info(adp, M_VGA_CG320, &info)) {
-    log(LOG_NOTICE, "fire_saver: the console does not support M_VGA_CG320\n");
-    return(ENODEV);
-  } 
+    /* check that the console is capable of running in 320x200x256 */
+    if (get_mode_info(adp, M_VGA_CG320, &info)) {
+	log(LOG_NOTICE, "fire_saver: the console does not support M_VGA_CG320\n");
+	return(ENODEV);
+    } 
   
-  blanked = 0;    
+    blanked = 0;    
   
-  return(0);
+    return 0;
 }
   
-int fire_terminate(video_adapter_t *adp) {
-  return(0);
+static int
+fire_terminate(video_adapter_t *adp)
+{
+    return 0;
 }
 
 static scrn_saver_t fire_module = {
-  "fire_saver", fire_initialise, fire_terminate, fire_saver, NULL
+    "fire_saver", fire_initialise, fire_terminate, fire_saver, NULL
 };
 
 SAVER_MODULE(fire_saver, fire_module);