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Server: Fix --serverinfo country code misinterpretation on Qt6 #2829

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merged 2 commits into from
Sep 12, 2022
Merged

Server: Fix --serverinfo country code misinterpretation on Qt6 #2829

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f5425fd
Util: Make CLocale::IsCountryCodeSupported more robust
hoffie Aug 30, 2022
20a25c4
Server: Fix --serverinfo country code misinterpretation on Qt6
hoffie Aug 30, 2022
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10 changes: 8 additions & 2 deletions src/serverlist.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -205,9 +205,15 @@ CServerListManager::CServerListManager ( const quint16 iNPortNum,
// [this server country as QLocale ID]
bool ok;
const int iCountry = slServInfoSeparateParams[2].toInt ( &ok );
if ( ok && iCountry >= 0 && iCountry <= QLocale::LastCountry )
if ( ok && iCountry >= 0 && CLocale::IsCountryCodeSupported ( iCountry ) )
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{
ThisServerListEntry.eCountry = static_cast<QLocale::Country> ( iCountry );
// Convert from externally-supplied format ("wire format", Qt5 codes) to
// native format. On Qt5 builds, this is a noop, on Qt6 builds, a conversion
// takes place.
// We try to do such conversions at the outer-most interface which is capable of doing it.
// Although the value comes from src/main -> src/server, this very place is
// the first where we have access to the parsed country code:
ThisServerListEntry.eCountry = CLocale::WireFormatCountryCodeToQtCountry ( iCountry );
}
}

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9 changes: 7 additions & 2 deletions src/util.cpp
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Expand Up @@ -1423,11 +1423,16 @@ bool CLocale::IsCountryCodeSupported ( unsigned short iCountryCode )
#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
// On newer Qt versions there might be codes which do not have a Qt5 equivalent.
// We have no way to support those sanely right now.
// Before we can check that via an array lookup, we have to ensure that
// we are within the boundaries of that array:
if ( iCountryCode >= qt6CountryToWireFormatLen )
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{
return false;
}
return qt6CountryToWireFormat[iCountryCode] != -1;
#else
// All Qt5 codes are supported.
Q_UNUSED ( iCountryCode );
return true;
return iCountryCode <= QLocale::LastCountry;
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#endif
}

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1 change: 1 addition & 0 deletions src/util.h
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Expand Up @@ -853,6 +853,7 @@ class CLocale
195, 196, 114, 254, 197, 198, 201, 202, 203, 205, 206, 207, 208, 209, 210, 211, 62, 212, 213, 214, 215, 253, 216, 217, 218, 219, 220,
221, 222, 223, 224, 226, 225, 234, 227, 228, 229, 230, 231, 232, 235, 236, 260, 237, 239, 240,
};
constexpr int const static qt6CountryToWireFormatLen = sizeof ( qt6CountryToWireFormat ) / sizeof ( qt6CountryToWireFormat[0] );
#endif
};

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