cal: refactor

1 files changed, 10 insertions, 0 deletions

diff --git a/sw/cal/err.go b/sw/cal/err.go
index 951ac12..452e5f0 100644
--- a/sw/cal/err.go
+++ b/sw/cal/err.go
@@ -2,10 +2,20 @@ package main
 
 import (
 	"fmt"
+	"os"
 
 	"go.einride.tech/can/pkg/dbc"
 )
 
+func eprintf(format string, a ...any) {
+	weprintf(format, a...)
+	os.Exit(1)
+}
+
+func weprintf(format string, a ...any) {
+	fmt.Fprintf(os.Stderr, format, a...)
+}
+
 type ErrDupSig struct {
 	sig dbc.SignalDef
 }