diff options
| author | Xijian Yan <yanxijian@163.com> | 2017-11-06 23:48:17 +0800 |
|---|---|---|
| committer | Stephen F. Booth <me@sbooth.org> | 2017-11-06 09:48:17 -0600 |
| commit | 249f892455d2759d45a6f5976f03924c04910411 (patch) | |
| tree | 3f265a484e163454857c3151d55295cd64be898b | |
| parent | cb9f07d9dcd791b63e622da43f7b232adaec0a9a (diff) | |
Fix crash when loading an empty mpeg file (#830)
When loading an empty file (empty.txt -> empty.mp3 ), TagLib will crash.
buffer.size() is 0, then buffer.size() - 1 is undefined (unsigned int)
| -rw-r--r-- | taglib/mpeg/mpegfile.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/taglib/mpeg/mpegfile.cpp b/taglib/mpeg/mpegfile.cpp index 217b03dd..517aea56 100644 --- a/taglib/mpeg/mpegfile.cpp +++ b/taglib/mpeg/mpegfile.cpp @@ -108,6 +108,9 @@ bool MPEG::File::isSupported(IOStream *stream) long headerOffset; const ByteVector buffer = Utils::readHeader(stream, bufferSize(), true, &headerOffset); + if(buffer.isEmpty()) + return false; + const long originalPosition = stream->tell(); AdapterFile file(stream); |