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Fix integer overflow calculating length of very large playlists

This commit is contained in:
jcorporation 2024-09-14 13:34:26 +02:00
parent a3a07280e8
commit 052719c0e4
1 changed files with 4 additions and 3 deletions
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7
src/playlist/Length.cxx
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@ -21,7 +21,7 @@
static SignedSongTime get_duration(const DetachedSong &song) {
const auto duration = song.GetDuration();
return duration.IsNegative() ? (SignedSongTime)0 : song.GetDuration();
return duration.IsNegative() ? (SignedSongTime)0 : duration;
}
static void
@ -36,7 +36,7 @@ playlist_provider_length(Response &r,
std::unique_ptr<DetachedSong> song;
unsigned i = 0;
SignedSongTime playtime = (SignedSongTime)0;
std::chrono::milliseconds playtime = (std::chrono::milliseconds)0;
while ((song = e.NextSong()) != nullptr) {
if (playlist_check_translate_song(*song, base_uri,
loader))
@ -44,7 +44,8 @@ playlist_provider_length(Response &r,
i++;
}
r.Fmt(FMT_STRING("songs: {}\n"), i);
r.Fmt(FMT_STRING("playtime: {}\n"), playtime.RoundS());
const auto seconds = std::chrono::round<std::chrono::seconds>(playtime);
r.Fmt(FMT_STRING("playtime: {}\n"), seconds.count());
}
void