void tst_QScopedPointer::array()
{
int instCount = RefCounted::instanceCount.load();
{
QScopedArrayPointer<RefCounted> array;
array.reset(new RefCounted[42]);
QCOMPARE(instCount + 42, RefCounted::instanceCount.load());
}
QCOMPARE(instCount, RefCounted::instanceCount.load());
{
QScopedArrayPointer<RefCounted> array(new RefCounted[42]);
QCOMPARE(instCount + 42, RefCounted::instanceCount.load());
array.reset(new RefCounted[28]);
QCOMPARE(instCount + 28, RefCounted::instanceCount.load());
array.reset(0);
QCOMPARE(instCount, RefCounted::instanceCount.load());
}
QCOMPARE(instCount, RefCounted::instanceCount.load());
}
// runProcess: Run a command line process (replacement for QProcess which
// does not exist in the bootstrap library).
bool runProcess(const QString &binary, const QStringList &args,
const QString &workingDirectory,
unsigned long *exitCode, QByteArray *stdOut, QByteArray *stdErr,
QString *errorMessage)
{
QScopedArrayPointer<char> stdOutFileName;
QScopedArrayPointer<char> stdErrFileName;
int stdOutFile = 0;
if (stdOut) {
stdOutFileName.reset(tempFilePattern());
stdOutFile = mkstemp(stdOutFileName.data());
if (stdOutFile < 0) {
*errorMessage = QStringLiteral("mkstemp() failed: ") + QString::fromLocal8Bit(strerror(errno));
return false;
}
}
int stdErrFile = 0;
if (stdErr) {
stdErrFileName.reset(tempFilePattern());
stdErrFile = mkstemp(stdErrFileName.data());
if (stdErrFile < 0) {
*errorMessage = QStringLiteral("mkstemp() failed: ") + QString::fromLocal8Bit(strerror(errno));
return false;
}
}
const pid_t pID = fork();
if (pID < 0) {
*errorMessage = QStringLiteral("Fork failed: ") + QString::fromLocal8Bit(strerror(errno));
return false;
}
if (!pID) { // Child
if (stdOut) {
dup2(stdOutFile, STDOUT_FILENO);
close(stdOutFile);
}
if (stdErr) {
dup2(stdErrFile, STDERR_FILENO);
close(stdErrFile);
}
if (!workingDirectory.isEmpty() && !QDir::setCurrent(workingDirectory)) {
std::wcerr << "Failed to change working directory to " << workingDirectory << ".\n";
::_exit(-1);
}
char **argv = new char *[args.size() + 2]; // Create argv.
char **ap = argv;
*ap++ = encodeFileName(binary);
foreach (const QString &a, args)
*ap++ = encodeFileName(a);
*ap = 0;
execvp(argv[0], argv);
::_exit(-1);
}
int status;
pid_t waitResult;
do {
waitResult = waitpid(pID, &status, 0);
} while (waitResult == -1 && errno == EINTR);
if (stdOut) {
*stdOut = readOutRedirectFile(stdOutFile);
unlink(stdOutFileName.data());
}
if (stdErr) {
*stdErr = readOutRedirectFile(stdErrFile);
unlink(stdErrFileName.data());
}
if (waitResult < 0) {
*errorMessage = QStringLiteral("Wait failed: ") + QString::fromLocal8Bit(strerror(errno));
return false;
}
if (!WIFEXITED(status)) {
*errorMessage = binary + QStringLiteral(" did not exit cleanly.");
return false;
}
if (exitCode)
*exitCode = WEXITSTATUS(status);
return true;
}
