From 5a564056f59d3ee9b0ff20c45fbe5234a47d5149 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 29 Mar 2000 17:56:02 +0000
Subject: added error checking on file open

---
 progs/demos/geartrain.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'progs/demos')

diff --git a/progs/demos/geartrain.c b/progs/demos/geartrain.c
index 91c3411d7c9..7c42aeb3d52 100644
--- a/progs/demos/geartrain.c
+++ b/progs/demos/geartrain.c
@@ -1,4 +1,4 @@
-/* $Id: geartrain.c,v 1.2 2000/03/22 23:14:54 brianp Exp $ */
+/* $Id: geartrain.c,v 1.3 2000/03/29 17:56:02 brianp Exp $ */
 
 /*
  * Geartrain simulation 
@@ -145,6 +145,11 @@ getdata (char filename[])
     int gear_count = 0, axle_count = 0, belt_count = 0, i;
     
     mainfile = fopen (filename, "r");
+    if (!mainfile) {
+       printf("Error: couldn't open %s\n", filename);
+       exit(-1);
+    }
+
     do
     {
 	Clear_Buffers ();
-- 
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