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Fixed accesses of invalid memory

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This commit is contained in:
Jordan Sherer 2018-07-13 15:44:48 -04:00
parent c1df21f940
commit d00eee440c
1 changed files with 4 additions and 1 deletions
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5
varicode.cpp
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@ -305,6 +305,9 @@ quint32 Varicode::packCallsign(QString const& value){
if(matched.isEmpty()){ if(matched.isEmpty()){
return packed; return packed;
} }
if(matched.length() < 6){
return packed;
}
packed = callsign_alphabet.indexOf(matched.at(0)); packed = callsign_alphabet.indexOf(matched.at(0));
packed = 36*packed + callsign_alphabet.indexOf(matched.at(1)); packed = 36*packed + callsign_alphabet.indexOf(matched.at(1));
@ -404,7 +407,7 @@ QStringList Varicode::unpackDirectedMessage(const QString &text){
unpacked.append(Varicode::unpackCallsign(packed_from).trimmed()); unpacked.append(Varicode::unpackCallsign(packed_from).trimmed());
unpacked.append(Varicode::unpackCallsign(packed_to).trimmed()); unpacked.append(Varicode::unpackCallsign(packed_to).trimmed());
unpacked.append(QString(cmds.at(packed_cmd & 7))); unpacked.append(QString(cmds.at(packed_cmd & 5)));
return unpacked; return unpacked;
} }