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Environment: Fix crash searching executables in windows

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This commit is contained in:
Tobias Hunger
2010-10-18 11:10:55 +02:00
parent b2ba7c706e
commit ac2f0f1ca3
2 changed files with 46 additions and 36 deletions
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80
src/libs/utils/environment.cpp
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@@ -182,48 +182,56 @@ void Environment::clear()
}
QString Environment::searchInPath(const QString &executable,
const QStringList & additionalDirs) const
const QStringList &additionalDirs) const
{
QString exec = expandVariables(executable);
if (exec.isEmpty() || QFileInfo(exec).isAbsolute())
return QDir::toNativeSeparators(exec);
// Check in directories:
foreach (const QString &dir, additionalDirs) {
if (dir.isEmpty())
continue;
QFileInfo fi(dir + QLatin1Char('/') + exec);
if (fi.isFile() && fi.isExecutable())
return fi.absoluteFilePath();
}
// Check in path:
if (exec.indexOf(QChar('/')) != -1)
return QString();
const QChar slash = QLatin1Char('/');
foreach (const QString &p, path()) {
QString fp = p;
fp += slash;
fp += exec;
const QFileInfo fi(fp);
if (fi.exists())
return fi.absoluteFilePath();
}
QStringList execs;
execs << executable;
#ifdef Q_OS_WIN
// Check all the executable extensions on windows:
QStringList extensions = value(QLatin1String("PATHEXT")).split(QLatin1Char(';'));
if (extensions.isEmpty())
extensions.append(QLatin1String(".exe"));
// .exe.bat is legal (and run when starting new.exe), so always go through the complete list:
foreach (const QString &ext, extensions) {
QString result = searchInPath(exec + ext.toLower(), additionalDirs);
if (!result.isEmpty())
return result;
}
// .exe.bat is legal (and run when starting new.exe), so always go through the complete list once:
foreach (const QString &ext, extensions)
execs << executable + ext.toLower();
#endif
return searchInPath(execs, additionalDirs);
}
QString Environment::searchInPath(const QStringList &executables,
const QStringList &additionalDirs) const
{
foreach (const QString &executable, executables) {
QString exec = expandVariables(executable);
if (exec.isEmpty())
continue;
QFileInfo baseFi(exec);
if (baseFi.isAbsolute() && baseFi.exists())
return QDir::toNativeSeparators(exec);
// Check in directories:
foreach (const QString &dir, additionalDirs) {
if (dir.isEmpty())
continue;
QFileInfo fi(dir + QLatin1Char('/') + exec);
if (fi.isFile() && fi.isExecutable())
return fi.absoluteFilePath();
}
// Check in path:
const QChar slash = QLatin1Char('/');
if (exec.indexOf(slash) != -1)
continue;
foreach (const QString &p, path()) {
QString fp = p;
fp += slash;
fp += exec;
const QFileInfo fi(fp);
if (fi.exists())
return fi.absoluteFilePath();
}
}
return QString();
}