Subject: selectable default penguin population
From: Luotao Fu <l.fu@pengutronix.de>

  This one makes the default penguin population selectable though environment
  variable "PENGUIN". This way we can start the control this on boards without
  a keyboard.

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>

---
 src/df_andi.c |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

Index: src/df_andi.c
===================================================================
--- src/df_andi.c.orig
+++ src/df_andi.c
@@ -566,6 +566,7 @@ int main( int argc, char *argv[] )
      FPSData fps;
      int     quit = 0;
      int     clipping = 0;
+     unsigned long int default_population = 200;
 
      init_resources( argc, argv );
 
@@ -573,7 +574,18 @@ int main( int argc, char *argv[] )
 
      initialize_animation();
 
-     spawn_penguins( 200 );
+     if (getenv("PENGUINS"))
+	     default_population = strtoul(getenv("PENGUINS"), NULL, 10);
+
+     if (default_population > 2000) {
+             fprintf(stderr, "ERR: %ld are more penguins than we can afford,",
+			    default_population);
+             default_population = 200;
+             fprintf(stderr, " setting default population back to %ld\n",
+			     default_population);
+     }
+
+     spawn_penguins( default_population );
 
      primary->SetDrawingFlags( primary, DSDRAW_BLEND );