Arav/dwelling-radio
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append() was replaced with more efficient copy() (only 1 allocation with make).

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This commit is contained in:
Alexander Andreev 2023-09-14 18:20:47 +04:00
parent 978b4c6454
commit 2cf6e1a6cb
Signed by: Arav
GPG Key ID: D22A817D95815393
1 changed files with 4 additions and 4 deletions
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8
internal/radio/icecast.go
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@ -80,8 +80,8 @@ func IcecastLastSongs(playlistPath string) []Song {
lastPlayedCacheMutex.Lock() lastPlayedCacheMutex.Lock()
defer lastPlayedCacheMutex.Unlock() defer lastPlayedCacheMutex.Unlock()
if lpcLen := len(lastPlayedCache); lpcLen > 0 { if lpcLen := len(lastPlayedCache); lpcLen > 0 {
ret := make([]Song, 0, lpcLen) ret := make([]Song, lpcLen)
ret = append(ret, lastPlayedCache...) copy(ret, lastPlayedCache)
return ret return ret
} }
@ -181,10 +181,10 @@ func (pw *PlaylistLogWatcher) Watch(playlistPath string, n int) (err error) {
pw.watcher.WatchForMask(pw.changed, watcher.ModIgnMask) pw.watcher.WatchForMask(pw.changed, watcher.ModIgnMask)
if lastPlayedCache == nil { if lastPlayedCache == nil {
lastPlayedCache = make([]Song, 0, n) lastPlayedCache = make([]Song, n)
songs, err := icecastLastPlayedSongs(playlistPath, n) songs, err := icecastLastPlayedSongs(playlistPath, n)
if err == nil && len(songs) > 0 { if err == nil && len(songs) > 0 {
lastPlayedCache = append(lastPlayedCache, songs...) copy(lastPlayedCache, songs)
} else if err != nil { } else if err != nil {
log.Fatalln("failed to retrieve last songs:", err) log.Fatalln("failed to retrieve last songs:", err)
} }