60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
|
package log
|
||
|
|
|
||
|
|
import (
|
||
|
|
"log"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Logger is an optional custom logger.
|
||
|
|
var Logger *log.Logger
|
||
|
|
|
||
|
|
// Fatal writes a log entry.
|
||
|
|
// It uses Logger if not nil, otherwise it uses the default log.Logger.
|
||
|
|
func Fatal(args ...interface{}) {
|
||
|
|
if Logger == nil {
|
||
|
|
Logger = log.New(os.Stderr, "", log.LstdFlags)
|
||
|
|
}
|
||
|
|
|
||
|
|
Logger.Fatal(args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Fatalf writes a log entry.
|
||
|
|
// It uses Logger if not nil, otherwise it uses the default log.Logger.
|
||
|
|
func Fatalf(format string, args ...interface{}) {
|
||
|
|
if Logger == nil {
|
||
|
|
Logger = log.New(os.Stderr, "", log.LstdFlags)
|
||
|
|
}
|
||
|
|
|
||
|
|
Logger.Fatalf(format, args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Print writes a log entry.
|
||
|
|
// It uses Logger if not nil, otherwise it uses the default log.Logger.
|
||
|
|
func Print(args ...interface{}) {
|
||
|
|
if Logger == nil {
|
||
|
|
Logger = log.New(os.Stdout, "", log.LstdFlags)
|
||
|
|
}
|
||
|
|
|
||
|
|
Logger.Print(args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Println writes a log entry.
|
||
|
|
// It uses Logger if not nil, otherwise it uses the default log.Logger.
|
||
|
|
func Println(args ...interface{}) {
|
||
|
|
if Logger == nil {
|
||
|
|
Logger = log.New(os.Stdout, "", log.LstdFlags)
|
||
|
|
}
|
||
|
|
|
||
|
|
Logger.Println(args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Printf writes a log entry.
|
||
|
|
// It uses Logger if not nil, otherwise it uses the default log.Logger.
|
||
|
|
func Printf(format string, args ...interface{}) {
|
||
|
|
if Logger == nil {
|
||
|
|
Logger = log.New(os.Stdout, "", log.LstdFlags)
|
||
|
|
}
|
||
|
|
|
||
|
|
Logger.Printf(format, args...)
|
||
|
|
}
|