Fix fileformat

cmd/micro/buffer/buffer.go

@@ -163,6 +163,13 @@ func NewBuffer(reader io.Reader, size int64, path string, cursorPosition []strin
 		b.EventHandler = NewEventHandler(b.SharedBuffer, b.cursors)
 	}
 
+	switch b.Endings {
+	case FFUnix:
+		b.Settings["fileformat"] = "unix"
+	case FFDos:
+		b.Settings["fileformat"] = "dos"
+	}
+
 	b.Path = path
 	b.AbsPath = absPath
 

cmd/micro/buffer/line_array.go

@@ -53,7 +53,7 @@ type FileFormat byte
 // and delete in it
 type LineArray struct {
 	lines    []Line
-	endings  FileFormat
+	Endings  FileFormat
 	initsize uint64
 }
 
@@ -95,11 +95,12 @@ func NewLineArray(size uint64, endings FileFormat, reader io.Reader) *LineArray
 		if dlen > 1 && data[dlen-2] == '\r' {
 			data = append(data[:dlen-2], '\n')
 			if endings == FFAuto {
-				la.endings = FFDos
+				la.Endings = FFDos
 			}
+			dlen = len(data)
 		} else if dlen > 0 {
 			if endings == FFAuto {
-				la.endings = FFUnix
+				la.Endings = FFUnix
 			}
 		}
 
@@ -143,7 +144,7 @@ func (la *LineArray) Bytes() []byte {
 	for i, l := range la.lines {
 		str = append(str, l.data...)
 		if i != len(la.lines)-1 {
-			if la.endings == FFDos {
+			if la.Endings == FFDos {
 				str = append(str, '\r')
 			}
 			str = append(str, '\n')

cmd/micro/buffer/save.go

@@ -107,7 +107,7 @@ func (b *Buffer) SaveAs(filename string) error {
 
 		// end of line
 		var eol []byte
-		if b.Settings["fileformat"] == "dos" {
+		if b.Endings == FFDos {
 			eol = []byte{'\r', '\n'}
 		} else {
 			eol = []byte{'\n'}

cmd/micro/buffer/settings.go

@@ -30,6 +30,12 @@ func (b *Buffer) SetOption(option, value string) error {
 	} else if option == "filetype" {
 		b.UpdateRules()
 	} else if option == "fileformat" {
+		switch b.Settings["fileformat"].(string) {
+		case "unix":
+			b.Endings = FFUnix
+		case "dos":
+			b.Endings = FFDos
+		}
 		b.isModified = true
 	} else if option == "syntax" {
 		if !nativeValue.(bool) {