make logger behave as a logger

seanprince · Jan 26, 2018 · 4812642 · 4812642
1 parent be1313b
commit 4812642
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/logger/standard.go b/logger/standard.go
@@ -8,9 +8,15 @@ import (
 type StandardLogger struct{}
 
 func (StandardLogger) Printf(format string, args ...interface{}) {
-	fmt.Fprintf(os.Stdout, format, args...)
+	if len(format) == 0 || format[len(format)-1] != '\n' {
+		format += "\n"
+	}
+	fmt.Fprintf(os.Stderr, format, args...)
 }
 
 func (StandardLogger) Debugf(format string, args ...interface{}) {
+	if len(format) == 0 || format[len(format)-1] != '\n' {
+		format += "\n"
+	}
 	fmt.Fprintf(os.Stderr, format, args...)
 }