progs/trivial: Redraw upon keypress.

104 files changed, 104 insertions, 104 deletions

diff --git a/progs/trivial/clear-fbo-tex.c b/progs/trivial/clear-fbo-tex.c
index a206676e48e..238f634bf59 100644
--- a/progs/trivial/clear-fbo-tex.c
+++ b/progs/trivial/clear-fbo-tex.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/clear-fbo.c b/progs/trivial/clear-fbo.c
index 0aeb45489f2..6435c901adc 100644
--- a/progs/trivial/clear-fbo.c
+++ b/progs/trivial/clear-fbo.c
@@ -73,7 +73,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/clear-random.c b/progs/trivial/clear-random.c
index e3da23a8f55..ab67f84518d 100644
--- a/progs/trivial/clear-random.c
+++ b/progs/trivial/clear-random.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(0);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/clear-scissor.c b/progs/trivial/clear-scissor.c
index 01735327480..2b6dee77a96 100644
--- a/progs/trivial/clear-scissor.c
+++ b/progs/trivial/clear-scissor.c
@@ -38,7 +38,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/clear.c b/progs/trivial/clear.c
index 03857b4b893..56c3ea52e6a 100644
--- a/progs/trivial/clear.c
+++ b/progs/trivial/clear.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(0);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/createwin.c b/progs/trivial/createwin.c
index f2cc6f1cffc..04a088642b8 100644
--- a/progs/trivial/createwin.c
+++ b/progs/trivial/createwin.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-begin-call-end.c b/progs/trivial/dlist-begin-call-end.c
index 0d0aed7c729..da3864a02a4 100644
--- a/progs/trivial/dlist-begin-call-end.c
+++ b/progs/trivial/dlist-begin-call-end.c
@@ -87,7 +87,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-dangling.c b/progs/trivial/dlist-dangling.c
index de106280092..756ab93f870 100644
--- a/progs/trivial/dlist-dangling.c
+++ b/progs/trivial/dlist-dangling.c
@@ -74,7 +74,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-edgeflag-dangling.c b/progs/trivial/dlist-edgeflag-dangling.c
index 3d3aaeb6944..51504471e2c 100644
--- a/progs/trivial/dlist-edgeflag-dangling.c
+++ b/progs/trivial/dlist-edgeflag-dangling.c
@@ -76,7 +76,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-edgeflag.c b/progs/trivial/dlist-edgeflag.c
index 8002129ed14..9456b964732 100644
--- a/progs/trivial/dlist-edgeflag.c
+++ b/progs/trivial/dlist-edgeflag.c
@@ -81,7 +81,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-flat-tri.c b/progs/trivial/dlist-flat-tri.c
index c3dd7921e39..3ee9b283a44 100644
--- a/progs/trivial/dlist-flat-tri.c
+++ b/progs/trivial/dlist-flat-tri.c
@@ -93,7 +93,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-mat-tri.c b/progs/trivial/dlist-mat-tri.c
index ed3a4c5981a..d17c4b913b8 100644
--- a/progs/trivial/dlist-mat-tri.c
+++ b/progs/trivial/dlist-mat-tri.c
@@ -103,7 +103,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-recursive-call.c b/progs/trivial/dlist-recursive-call.c
index fe06b2bbd72..90224f63cb2 100644
--- a/progs/trivial/dlist-recursive-call.c
+++ b/progs/trivial/dlist-recursive-call.c
@@ -118,7 +118,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-tri-flat-tri.c b/progs/trivial/dlist-tri-flat-tri.c
index 4dbb7884869..3265a4d6dcd 100644
--- a/progs/trivial/dlist-tri-flat-tri.c
+++ b/progs/trivial/dlist-tri-flat-tri.c
@@ -99,7 +99,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-tri-mat-tri.c b/progs/trivial/dlist-tri-mat-tri.c
index f69854ae586..053bb124a23 100644
--- a/progs/trivial/dlist-tri-mat-tri.c
+++ b/progs/trivial/dlist-tri-mat-tri.c
@@ -102,7 +102,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-clip.c b/progs/trivial/line-clip.c
index 5276baffd5d..e4e388ed5cd 100644
--- a/progs/trivial/line-clip.c
+++ b/progs/trivial/line-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-cull.c b/progs/trivial/line-cull.c
index 1e1b77a942c..c531ff132f5 100644
--- a/progs/trivial/line-cull.c
+++ b/progs/trivial/line-cull.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-flat.c b/progs/trivial/line-flat.c
index 14f0ac07825..e2ddb87b9ef 100644
--- a/progs/trivial/line-flat.c
+++ b/progs/trivial/line-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-stipple-wide.c b/progs/trivial/line-stipple-wide.c
index 1804ffad3f0..767583bbea5 100644
--- a/progs/trivial/line-stipple-wide.c
+++ b/progs/trivial/line-stipple-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-clip.c b/progs/trivial/line-userclip-clip.c
index 8e030b47cea..3265b2c3bfe 100644
--- a/progs/trivial/line-userclip-clip.c
+++ b/progs/trivial/line-userclip-clip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-nop-clip.c b/progs/trivial/line-userclip-nop-clip.c
index 6fcd4bcfe73..0198e27807e 100644
--- a/progs/trivial/line-userclip-nop-clip.c
+++ b/progs/trivial/line-userclip-nop-clip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-nop.c b/progs/trivial/line-userclip-nop.c
index e59fd133a5f..6c863a3c82b 100644
--- a/progs/trivial/line-userclip-nop.c
+++ b/progs/trivial/line-userclip-nop.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip.c b/progs/trivial/line-userclip.c
index e30be5580bd..6cfcb6fc732 100644
--- a/progs/trivial/line-userclip.c
+++ b/progs/trivial/line-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-wide.c b/progs/trivial/line-wide.c
index b74021dea73..1945712c5d0 100644
--- a/progs/trivial/line-wide.c
+++ b/progs/trivial/line-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line.c b/progs/trivial/line.c
index e1d73280bfc..58ab96836f8 100644
--- a/progs/trivial/line.c
+++ b/progs/trivial/line.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/lineloop-clip.c b/progs/trivial/lineloop-clip.c
index 45fa47491f8..5e6b6217a1a 100644
--- a/progs/trivial/lineloop-clip.c
+++ b/progs/trivial/lineloop-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/lineloop.c b/progs/trivial/lineloop.c
index c290dbd8cb3..82eccd24f8f 100644
--- a/progs/trivial/lineloop.c
+++ b/progs/trivial/lineloop.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-stipple-wide.c b/progs/trivial/linestrip-stipple-wide.c
index 701c82c266a..0296941a0de 100644
--- a/progs/trivial/linestrip-stipple-wide.c
+++ b/progs/trivial/linestrip-stipple-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-stipple.c b/progs/trivial/linestrip-stipple.c
index df2eef96b5d..a847d47deeb 100644
--- a/progs/trivial/linestrip-stipple.c
+++ b/progs/trivial/linestrip-stipple.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-clip.c b/progs/trivial/point-clip.c
index 4c89ba598d7..23cfd778637 100644
--- a/progs/trivial/point-clip.c
+++ b/progs/trivial/point-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-param.c b/progs/trivial/point-param.c
index 6f43720a892..46bd773265f 100644
--- a/progs/trivial/point-param.c
+++ b/progs/trivial/point-param.c
@@ -59,7 +59,7 @@ static void Key(unsigned char key, int x, int y)
     case 27:
 	exit(1);
     default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/point-sprite.c b/progs/trivial/point-sprite.c
index 5d29a6a3cf9..16e6771514b 100644
--- a/progs/trivial/point-sprite.c
+++ b/progs/trivial/point-sprite.c
@@ -96,7 +96,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-wide-smooth.c b/progs/trivial/point-wide-smooth.c
index f6e9b8df5f9..752cb8aee38 100644
--- a/progs/trivial/point-wide-smooth.c
+++ b/progs/trivial/point-wide-smooth.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 8abd64c6a99..3b00ee9e500 100644
--- a/progs/trivial/point-wide.c
+++ b/progs/trivial/point-wide.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point.c b/progs/trivial/point.c
index 49959dcc487..8f5299cf6b5 100644
--- a/progs/trivial/point.c
+++ b/progs/trivial/point.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat-clip.c b/progs/trivial/poly-flat-clip.c
index 5490068b08e..2a968bed40e 100644
--- a/progs/trivial/poly-flat-clip.c
+++ b/progs/trivial/poly-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat-unfilled-clip.c b/progs/trivial/poly-flat-unfilled-clip.c
index 26b90ef9645..89f4e0656ab 100644
--- a/progs/trivial/poly-flat-unfilled-clip.c
+++ b/progs/trivial/poly-flat-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat.c b/progs/trivial/poly-flat.c
index a4e3cdb6334..33c2e04e0f8 100644
--- a/progs/trivial/poly-flat.c
+++ b/progs/trivial/poly-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-unfilled.c b/progs/trivial/poly-unfilled.c
index 2ad443dc159..c8c0d7a9e37 100644
--- a/progs/trivial/poly-unfilled.c
+++ b/progs/trivial/poly-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly.c b/progs/trivial/poly.c
index e5b788ea5be..964eb42d789 100644
--- a/progs/trivial/poly.c
+++ b/progs/trivial/poly.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-clip-all-vertices.c b/progs/trivial/quad-clip-all-vertices.c
index 60c87fc9ce1..7712d8ca5b7 100644
--- a/progs/trivial/quad-clip-all-vertices.c
+++ b/progs/trivial/quad-clip-all-vertices.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-clip.c b/progs/trivial/quad-clip.c
index 063de6106a6..2847c9f9608 100644
--- a/progs/trivial/quad-clip.c
+++ b/progs/trivial/quad-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-degenerate.c b/progs/trivial/quad-degenerate.c
index fdc142bcd61..85e129d4be2 100644
--- a/progs/trivial/quad-degenerate.c
+++ b/progs/trivial/quad-degenerate.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-flat.c b/progs/trivial/quad-flat.c
index e3147b3b3fe..bed98e31a4e 100644
--- a/progs/trivial/quad-flat.c
+++ b/progs/trivial/quad-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-factor.c b/progs/trivial/quad-offset-factor.c
index dfe99bbae68..1fc57a54ae7 100644
--- a/progs/trivial/quad-offset-factor.c
+++ b/progs/trivial/quad-offset-factor.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-unfilled.c b/progs/trivial/quad-offset-unfilled.c
index 06590021fed..62f50fb98cc 100644
--- a/progs/trivial/quad-offset-unfilled.c
+++ b/progs/trivial/quad-offset-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-units.c b/progs/trivial/quad-offset-units.c
index 922529d977e..1ac2338692f 100644
--- a/progs/trivial/quad-offset-units.c
+++ b/progs/trivial/quad-offset-units.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-tex-alpha.c b/progs/trivial/quad-tex-alpha.c
index eebaf9170ec..9db6792fad3 100644
--- a/progs/trivial/quad-tex-alpha.c
+++ b/progs/trivial/quad-tex-alpha.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-tex-pbo.c b/progs/trivial/quad-tex-pbo.c
index ad41a9a22e5..b7aa1db4360 100644
--- a/progs/trivial/quad-tex-pbo.c
+++ b/progs/trivial/quad-tex-pbo.c
@@ -105,7 +105,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled-clip.c b/progs/trivial/quad-unfilled-clip.c
index 761878bd4b6..d2e87187751 100644
--- a/progs/trivial/quad-unfilled-clip.c
+++ b/progs/trivial/quad-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled-stipple.c b/progs/trivial/quad-unfilled-stipple.c
index cd7d2769284..8c1737e6756 100644
--- a/progs/trivial/quad-unfilled-stipple.c
+++ b/progs/trivial/quad-unfilled-stipple.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled.c b/progs/trivial/quad-unfilled.c
index d64f17fdf95..b756449d7a8 100644
--- a/progs/trivial/quad-unfilled.c
+++ b/progs/trivial/quad-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad.c b/progs/trivial/quad.c
index d360e309d30..582de783d59 100644
--- a/progs/trivial/quad.c
+++ b/progs/trivial/quad.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quads.c b/progs/trivial/quads.c
index fe11fef207c..de7854a255e 100644
--- a/progs/trivial/quads.c
+++ b/progs/trivial/quads.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip-cont.c b/progs/trivial/quadstrip-cont.c
index 329523531aa..44412698dc5 100644
--- a/progs/trivial/quadstrip-cont.c
+++ b/progs/trivial/quadstrip-cont.c
@@ -57,7 +57,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip-flat.c b/progs/trivial/quadstrip-flat.c
index 228c6c255e5..0e0b3b49fa6 100644
--- a/progs/trivial/quadstrip-flat.c
+++ b/progs/trivial/quadstrip-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip.c b/progs/trivial/quadstrip.c
index d49a9a53020..1be815fb8cd 100644
--- a/progs/trivial/quadstrip.c
+++ b/progs/trivial/quadstrip.c
@@ -57,7 +57,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/readpixels.c b/progs/trivial/readpixels.c
index 5671618446a..b063f179569 100644
--- a/progs/trivial/readpixels.c
+++ b/progs/trivial/readpixels.c
@@ -39,7 +39,7 @@ static void Key(unsigned char key, int x, int y)
    case 27:
       exit(0);
    default:
-      return;
+      break;
    }
    glutPostRedisplay();
 }
diff --git a/progs/trivial/tri-alpha-tex.c b/progs/trivial/tri-alpha-tex.c
index 780ebe6be5b..853d564ae7b 100644
--- a/progs/trivial/tri-alpha-tex.c
+++ b/progs/trivial/tri-alpha-tex.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-alpha.c b/progs/trivial/tri-alpha.c
index aec1cbb3772..bd1c88ecf8e 100644
--- a/progs/trivial/tri-alpha.c
+++ b/progs/trivial/tri-alpha.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-blend-color.c b/progs/trivial/tri-blend-color.c
index 92f019259ec..629b35c4abb 100644
--- a/progs/trivial/tri-blend-color.c
+++ b/progs/trivial/tri-blend-color.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-clear.c b/progs/trivial/tri-clear.c
index f49186bd8ae..e52ed81bf44 100644
--- a/progs/trivial/tri-clear.c
+++ b/progs/trivial/tri-clear.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-clip.c b/progs/trivial/tri-clip.c
index e1deca1bdcf..3e3879c9859 100644
--- a/progs/trivial/tri-clip.c
+++ b/progs/trivial/tri-clip.c
@@ -56,7 +56,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/tri-cull-both.c b/progs/trivial/tri-cull-both.c
index 864be710c2a..809599d4a6d 100644
--- a/progs/trivial/tri-cull-both.c
+++ b/progs/trivial/tri-cull-both.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-dlist.c b/progs/trivial/tri-dlist.c
index c410be221a7..62d0a965d82 100644
--- a/progs/trivial/tri-dlist.c
+++ b/progs/trivial/tri-dlist.c
@@ -75,7 +75,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fbo.c b/progs/trivial/tri-fbo.c
index 1ed177ffdfb..089180f97ad 100644
--- a/progs/trivial/tri-fbo.c
+++ b/progs/trivial/tri-fbo.c
@@ -75,7 +75,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-flat-clip.c b/progs/trivial/tri-flat-clip.c
index 2aab5ba00a5..a23f8a382b0 100644
--- a/progs/trivial/tri-flat-clip.c
+++ b/progs/trivial/tri-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-flat.c b/progs/trivial/tri-flat.c
index ea703ec6f3f..0614321844e 100644
--- a/progs/trivial/tri-flat.c
+++ b/progs/trivial/tri-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fog.c b/progs/trivial/tri-fog.c
index 0cea3d32582..7fc254a4675 100644
--- a/progs/trivial/tri-fog.c
+++ b/progs/trivial/tri-fog.c
@@ -72,7 +72,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fp-const-imm.c b/progs/trivial/tri-fp-const-imm.c
index d2df442abfc..accea62042d 100644
--- a/progs/trivial/tri-fp-const-imm.c
+++ b/progs/trivial/tri-fp-const-imm.c
@@ -92,7 +92,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fp.c b/progs/trivial/tri-fp.c
index 4d1508120ea..8f933befd3d 100644
--- a/progs/trivial/tri-fp.c
+++ b/progs/trivial/tri-fp.c
@@ -90,7 +90,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-lit-material.c b/progs/trivial/tri-lit-material.c
index ff9fb2c4dd6..16cebb2b984 100644
--- a/progs/trivial/tri-lit-material.c
+++ b/progs/trivial/tri-lit-material.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-lit.c b/progs/trivial/tri-lit.c
index 15a7ad24c51..26ebd99d917 100644
--- a/progs/trivial/tri-lit.c
+++ b/progs/trivial/tri-lit.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-multitex-vbo.c b/progs/trivial/tri-multitex-vbo.c
index e319447ac15..ca4edaa5ddc 100644
--- a/progs/trivial/tri-multitex-vbo.c
+++ b/progs/trivial/tri-multitex-vbo.c
@@ -192,7 +192,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-orig.c b/progs/trivial/tri-orig.c
index e7cfee3a367..d86d34c39de 100644
--- a/progs/trivial/tri-orig.c
+++ b/progs/trivial/tri-orig.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-query.c b/progs/trivial/tri-query.c
index 94956a86f33..8898f182c78 100644
--- a/progs/trivial/tri-query.c
+++ b/progs/trivial/tri-query.c
@@ -72,7 +72,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-scissor-tri.c b/progs/trivial/tri-scissor-tri.c
index 608ebf29cff..d65502d91b9 100644
--- a/progs/trivial/tri-scissor-tri.c
+++ b/progs/trivial/tri-scissor-tri.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-square.c b/progs/trivial/tri-square.c
index 0b82a1dd8e3..2014bd489c3 100644
--- a/progs/trivial/tri-square.c
+++ b/progs/trivial/tri-square.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-stipple.c b/progs/trivial/tri-stipple.c
index aa94fa224b7..15a08fec7c8 100644
--- a/progs/trivial/tri-stipple.c
+++ b/progs/trivial/tri-stipple.c
@@ -77,7 +77,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tex-3d.c b/progs/trivial/tri-tex-3d.c
index 3ccbe125105..073a080d7a7 100644
--- a/progs/trivial/tri-tex-3d.c
+++ b/progs/trivial/tri-tex-3d.c
@@ -97,7 +97,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
index 56afb4748d7..244e1545042 100644
--- a/progs/trivial/tri-tex.c
+++ b/progs/trivial/tri-tex.c
@@ -94,7 +94,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tri.c b/progs/trivial/tri-tri.c
index f996bd01a16..7bf400793ea 100644
--- a/progs/trivial/tri-tri.c
+++ b/progs/trivial/tri-tri.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-clip.c b/progs/trivial/tri-unfilled-clip.c
index 2fd894a49a8..585919e16d1 100644
--- a/progs/trivial/tri-unfilled-clip.c
+++ b/progs/trivial/tri-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-edgeflag.c b/progs/trivial/tri-unfilled-edgeflag.c
index 11c21d1bf68..f536f642296 100644
--- a/progs/trivial/tri-unfilled-edgeflag.c
+++ b/progs/trivial/tri-unfilled-edgeflag.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-point.c b/progs/trivial/tri-unfilled-point.c
index 750a254669a..11e276e1a5b 100644
--- a/progs/trivial/tri-unfilled-point.c
+++ b/progs/trivial/tri-unfilled-point.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-smooth.c b/progs/trivial/tri-unfilled-smooth.c
index eddae176e5f..fa31667e658 100644
--- a/progs/trivial/tri-unfilled-smooth.c
+++ b/progs/trivial/tri-unfilled-smooth.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-tri-lit.c b/progs/trivial/tri-unfilled-tri-lit.c
index 1d42b40b713..d6baeb46978 100644
--- a/progs/trivial/tri-unfilled-tri-lit.c
+++ b/progs/trivial/tri-unfilled-tri-lit.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-userclip-stip.c b/progs/trivial/tri-unfilled-userclip-stip.c
index ddc0dffd4f4..02bfa92f835 100644
--- a/progs/trivial/tri-unfilled-userclip-stip.c
+++ b/progs/trivial/tri-unfilled-userclip-stip.c
@@ -67,7 +67,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-userclip.c b/progs/trivial/tri-unfilled-userclip.c
index 0dec0bfc9b4..11e53fc7cc9 100644
--- a/progs/trivial/tri-unfilled-userclip.c
+++ b/progs/trivial/tri-unfilled-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled.c b/progs/trivial/tri-unfilled.c
index b98cb9a842a..afa1058dad4 100644
--- a/progs/trivial/tri-unfilled.c
+++ b/progs/trivial/tri-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-userclip.c b/progs/trivial/tri-userclip.c
index 8f37e0fae20..5651c738325 100644
--- a/progs/trivial/tri-userclip.c
+++ b/progs/trivial/tri-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-z-9.c b/progs/trivial/tri-z-9.c
index 099e89f6f4a..37b9e2f8732 100644
--- a/progs/trivial/tri-z-9.c
+++ b/progs/trivial/tri-z-9.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-z-eq.c b/progs/trivial/tri-z-eq.c
index b81c992f7d1..6bdac474196 100644
--- a/progs/trivial/tri-z-eq.c
+++ b/progs/trivial/tri-z-eq.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-flat-clip.c b/progs/trivial/trifan-flat-clip.c
index 199f91a637e..89bc471191e 100644
--- a/progs/trivial/trifan-flat-clip.c
+++ b/progs/trivial/trifan-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-flat-unfilled-clip.c b/progs/trivial/trifan-flat-unfilled-clip.c
index ea3e1553872..3a1a226e546 100644
--- a/progs/trivial/trifan-flat-unfilled-clip.c
+++ b/progs/trivial/trifan-flat-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-flat.c b/progs/trivial/trifan-flat.c
index d69b4887e39..d25abdf49eb 100644
--- a/progs/trivial/trifan-flat.c
+++ b/progs/trivial/trifan-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-unfilled.c b/progs/trivial/trifan-unfilled.c
index 91447e4e44d..2e3ff8218f0 100644
--- a/progs/trivial/trifan-unfilled.c
+++ b/progs/trivial/trifan-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan.c b/progs/trivial/trifan.c
index 84eb4172de1..b8a76151148 100644
--- a/progs/trivial/trifan.c
+++ b/progs/trivial/trifan.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip-clip.c b/progs/trivial/tristrip-clip.c
index 343e2938049..4e6ee1fbca2 100644
--- a/progs/trivial/tristrip-clip.c
+++ b/progs/trivial/tristrip-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip-flat.c b/progs/trivial/tristrip-flat.c
index 02da97efcea..a90b8b6cb68 100644
--- a/progs/trivial/tristrip-flat.c
+++ b/progs/trivial/tristrip-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip.c b/progs/trivial/tristrip.c
index 77bf2fad282..29915ff111d 100644
--- a/progs/trivial/tristrip.c
+++ b/progs/trivial/tristrip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vp-tri-cb-pos.c b/progs/trivial/vp-tri-cb-pos.c
index 42bf9806b19..9cbc4d1193a 100644
--- a/progs/trivial/vp-tri-cb-pos.c
+++ b/progs/trivial/vp-tri-cb-pos.c
@@ -81,7 +81,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
index 8290226675e..e543e2ec3fd 100644
--- a/progs/trivial/vp-tri-cb-tex.c
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -114,7 +114,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vp-tri-invariant.c b/progs/trivial/vp-tri-invariant.c
index ff241393659..4dbe95eb9a1 100644
--- a/progs/trivial/vp-tri-invariant.c
+++ b/progs/trivial/vp-tri-invariant.c
@@ -69,7 +69,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();