Add MaxBytes and deprecate MaxSize

Signed-off-by: Fahed DORGAA <fahed_dorgaa@carrefour.com>

fixes

Signed-off-by: Fahed DORGAA <fahed_dorgaa@carrefour.com>

fixes

Signed-off-by: fahed dorgaa <fahed.dorgaa@gmail.com>

fixes

Signed-off-by: fahed dorgaa <fahed.dorgaa@gmail.com>

lumberjack.go

@@ -47,8 +47,8 @@ var _ io.WriteCloser = (*Logger)(nil)
 // Logger is an io.WriteCloser that writes to the specified filename.
 //
 // Logger opens or creates the logfile on first Write.  If the file exists and
-// is less than MaxSize megabytes, lumberjack will open and append to that file.
-// If the file exists and its size is >= MaxSize megabytes, the file is renamed
+// is less than MaxBytes, lumberjack will open and append to that file.
+// If the file exists and its size is >= MaxBytes, the file is renamed
 // by putting the current time in a timestamp in the name immediately before the
 // file's extension (or the end of the filename if there's no extension). A new
 // log file is then created using original filename.
@@ -82,6 +82,12 @@ type Logger struct {
 	// os.TempDir() if empty.
 	Filename string `json:"filename" yaml:"filename"`
 
+	// MaxBytes is the maximum size in bytes of the log file before it gets
+	// rotated. It defaults to 104857600 (100 megabytes).
+	MaxBytes int64 `json:"maxbytes" yaml:"maxbytes"`
+
+	// Deprecated: use MaxBytes instead.
+	// This field is mutually exclusive with the “MaxBytes” field.
 	// MaxSize is the maximum size in megabytes of the log file before it gets
 	// rotated. It defaults to 100 megabytes.
 	MaxSize int `json:"maxsize" yaml:"maxsize"`
@@ -129,9 +135,9 @@ var (
 )
 
 // Write implements io.Writer.  If a write would cause the log file to be larger
-// than MaxSize, the file is closed, renamed to include a timestamp of the
+// than MaxBytes, the file is closed, renamed to include a timestamp of the
 // current time, and a new log file is created using the original log file name.
-// If the length of the write is greater than MaxSize, an error is returned.
+// If the length of the write is greater than MaxBytes, an error is returned.
 func (l *Logger) Write(p []byte) (n int, err error) {
 	l.mu.Lock()
 	defer l.mu.Unlock()
@@ -259,8 +265,8 @@ func backupName(name string, local bool) string {
 }
 
 // openExistingOrNew opens the logfile if it exists and if the current write
-// would not put it over MaxSize.  If there is no such file or the write would
-// put it over the MaxSize, a new file is created.
+// would not put it over MaxBytes.  If there is no such file or the write would
+// put it over the MaxBytes, a new file is created.
 func (l *Logger) openExistingOrNew(writeLen int) error {
 	l.mill()
 
@@ -443,6 +449,9 @@ func (l *Logger) timeFromName(filename, prefix, ext string) (time.Time, error) {
 
 // max returns the maximum size in bytes of log files before rolling.
 func (l *Logger) max() int64 {
+	if l.MaxBytes != 0 {
+		return l.MaxBytes
+	}
 	if l.MaxSize == 0 {
 		return int64(defaultMaxSize * megabyte)
 	}