Give a hint what is wrong before printing usage messageHEADmaster

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 11 insertions, 5 deletions

diff --git a/xvidtune.c b/xvidtune.c
index 85cd9ce..7005957 100644
--- a/xvidtune.c
+++ b/xvidtune.c
@@ -1579,15 +1579,19 @@ main (int argc, char** argv)
         if(  (!strcmp(argv[1], "-timeout"))  ) {
             TestTimeout = ((unsigned long) atol( argv[2] )) * 1000L;
 	} 
-	else
+	else {
+	    fprintf(stderr, "Invalid number of arguments\n\n");
 	    usage(1);
+	}
     }
 
     if (argc > 1) {
 	int i = 0;
         
-	if (argc != 2)
-		usage(1);
+	if (argc != 2) {
+	    fprintf(stderr, "Invalid number of arguments\n\n");
+	    usage(1);
+	}
 	if (!strcmp(argv[1], "-show")) {
 	  if (!GetModeLine(XtDisplay (top), DefaultScreen (XtDisplay (top)))) {
 	    fprintf(stderr, "Unable to get mode info\n");
@@ -1604,8 +1608,10 @@ main (int argc, char** argv)
 	    CleanUp(XtDisplay (top));
 	    XSync(XtDisplay (top), True);
 	    return 0;
-	} else
-		usage(1);
+	} else {
+	    fprintf(stderr, "Unknown argument: %s\n\n", argv[1]);
+	    usage(1);
+	}
 	if (i != 0) {
 	    XF86VidModeSwitchMode(XtDisplay (top),
 				  DefaultScreen (XtDisplay (top)), i);