Rewritten lastPlayedSong() in a sane way. Hope it will work.

internal/radio/icecast.go

@@ -7,7 +7,6 @@ import (
 	"io"
 	"net/http"
 	"os"
-	"strings"
 	"sync"
 	"syscall"
 	"time"
@@ -115,12 +114,12 @@ func IcecastLastSong(playlistPath string) (Song, error) {
 
 func lastPlayedSong(playlistPath string) (*Song, error) {
 	buf := make([]byte, bufferSize)
-	var last_song_line string
 
 	playlist, err := os.Open(playlistPath)
 	if err != nil {
 		return nil, err
 	}
+	defer playlist.Close()
 
 	playlist_stat, _ := playlist.Stat()
 
@@ -135,24 +134,20 @@ func lastPlayedSong(playlistPath string) (*Song, error) {
 		return nil, err
 	}
 
-	newline_end_pos := bytes.LastIndexByte(buf, '\n')
+	lines := bytes.Split(buf, []byte("\n"))
 
-	if newline_end_pos == -1 {
+	if len(lines) < 2 {
-		newline_end_pos = len(buf)
+		return nil, nil
 	}
 
-	newline_start_pos := bytes.LastIndexByte(buf[:newline_end_pos-1], '\n')
+	fields := bytes.Split(lines[len(lines)-2], []byte("|"))
 
-	last_song_line = string(buf[newline_start_pos+1 : newline_end_pos-1])
+	tim, _ := time.Parse(IcecastPlaylistDateFormat, string(fields[0]))
-
-	fields := strings.Split(last_song_line, "|")
-
-	tim, _ := time.Parse(IcecastPlaylistDateFormat, fields[0])
 
 	return &Song{
 		Time:      tim.Format(SongTimeFormat),
-		Listeners: fields[2],
+		Listeners: string(fields[2]),
-		Song:      fields[3]}, nil
+		Song:      string(fields[3])}, nil
 }
 
 var playlistWatcher watcher.InotifyWatcher