cngf-pf

commit 189f29ca5c8abdc06a1f66c110f2988746484f9a
parent dd8acb3ca5ee35f5d8d6c9080191b1c9d276b627
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Tue, 24 Mar 2020 18:11:55 +0100

Add error checking on input data, remove unused math.h

Diffstat:
M
shear_flux.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/shear_flux.c b/shear_flux.c
@@ -2,7 +2,6 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <math.h>
 
 #include "arg.h"
 
@@ -34,6 +33,8 @@ find_flux(FILE *f)
 		pos_prev = pos;
 		vel_prev = vel;
 	}
+	if (i == 1)
+		err(1, "could not read input data");
 
 	return flux;
 }