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PlaylistFile: use TruncateFile()

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As a side effect, "playlistclear" no longer creates a new playlist if
the given one doesn't yet exist.
This commit is contained in:
Max Kellermann 2016-08-15 22:19:55 +02:00
parent 2bca3cd247
commit b6b8fb7d73
1 changed files with 9 additions and 5 deletions
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14
src/PlaylistFile.cxx
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@ -302,11 +302,15 @@ spl_clear(const char *utf8path)
const auto path_fs = spl_map_to_fs(utf8path);
assert(!path_fs.IsNull());
FILE *file = FOpen(path_fs, FOpenMode::WriteText);
if (file == nullptr)
ThrowPlaylistErrno();
fclose(file);
try {
TruncateFile(path_fs);
} catch (const std::system_error &e) {
if (IsFileNotFound(e))
throw PlaylistError(PlaylistResult::NO_SUCH_LIST,
"No such playlist");
else
throw;
}
idle_add(IDLE_STORED_PLAYLIST);
}