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Fixed crash on non-latin instance name

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Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97 2024-04-03 19:34:35 +03:00
parent 90097f1309
commit 450b73328e
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GPG Key ID: 55EF5DA53DB36318
1 changed files with 23 additions and 3 deletions
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26
launcher/minecraft/launch/LauncherPartLaunch.cpp
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@ -74,16 +74,36 @@ QString shortPathName(const QString& file)
auto input = file.toStdWString(); auto input = file.toStdWString();
std::wstring output; std::wstring output;
long length = GetShortPathNameW(input.c_str(), NULL, 0); long length = GetShortPathNameW(input.c_str(), NULL, 0);
if (length == 0)
return {};
// NOTE: this resizing might seem weird... // NOTE: this resizing might seem weird...
// when GetShortPathNameW fails, it returns length including null character // when GetShortPathNameW fails, it returns length including null character
// when it succeeds, it returns length excluding null character // when it succeeds, it returns length excluding null character
// See: https://msdn.microsoft.com/en-us/library/windows/desktop/aa364989(v=vs.85).aspx // See: https://msdn.microsoft.com/en-us/library/windows/desktop/aa364989(v=vs.85).aspx
output.resize(length); output.resize(length);
GetShortPathNameW(input.c_str(), (LPWSTR)output.c_str(), length); if (GetShortPathNameW(input.c_str(), (LPWSTR)output.c_str(), length) == 0)
return {};
output.resize(length - 1); output.resize(length - 1);
QString ret = QString::fromStdWString(output); QString ret = QString::fromStdWString(output);
return ret; return ret;
} }
QString getShortPathName(const QString& file)
{
auto path = shortPathName(file);
if (!path.isEmpty())
return path;
// the path can not be getted due to the file/folder not existing
// so create the parrent folder
// and assume that we can concatenate the short path of the parent folder with the file name
// usually the 8 bit characters are in the instance name not in the name of the end files/folders we need
FS::ensureFilePathExists(file);
QFileInfo a(file);
auto partialShortPath = shortPathName(a.path());
if (!partialShortPath.isEmpty())
return FS::PathCombine(partialShortPath, a.fileName());
return file;
}
#endif #endif
// if the string survives roundtrip through local 8bit encoding... // if the string survives roundtrip through local 8bit encoding...
@ -137,7 +157,7 @@ void LauncherPartLaunch::executeTask()
auto natPath = minecraftInstance->getNativePath(); auto natPath = minecraftInstance->getNativePath();
#ifdef Q_OS_WIN #ifdef Q_OS_WIN
if (!fitsInLocal8bit(natPath)) { if (!fitsInLocal8bit(natPath)) {
args << "-Djava.library.path=" + shortPathName(natPath); args << "-Djava.library.path=" + getShortPathName(natPath);
} else { } else {
args << "-Djava.library.path=" + natPath; args << "-Djava.library.path=" + natPath;
} }
@ -150,7 +170,7 @@ void LauncherPartLaunch::executeTask()
QStringList processed; QStringList processed;
for (auto& item : classPath) { for (auto& item : classPath) {
if (!fitsInLocal8bit(item)) { if (!fitsInLocal8bit(item)) {
processed << shortPathName(item); processed << getShortPathName(item);
} else { } else {
processed << item; processed << item;
} }