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Prevent 0-pointer accesses.

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This commit is contained in:
Erik Zandvliet 2016-05-17 10:56:28 +02:00
parent 081f024e2c
commit 24ca250d2e
1 changed files with 4 additions and 0 deletions
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4
lib/dtscmeta.cpp
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@ -1579,6 +1579,10 @@ namespace DTSC {
///\brief Writes a track to a pointer ///\brief Writes a track to a pointer
void Track::writeTo(char *& p) { void Track::writeTo(char *& p) {
std::deque<Fragment>::iterator firstFrag = fragments.begin();
if (fragments.size() && (&firstFrag) == 0){
return;
}
std::string trackIdent = getWritableIdentifier(); std::string trackIdent = getWritableIdentifier();
writePointer(p, convertShort(trackIdent.size()), 2); writePointer(p, convertShort(trackIdent.size()), 2);
writePointer(p, trackIdent); writePointer(p, trackIdent);