Fix console log window error

src/StdOutRedirector.cpp

@@ -22,40 +22,45 @@ StdOutRedirector::StdOutRedirector()
 	close(1);
 	// Duplicate write end of original
 	dup2(fdguistd[1], 1);
+
+	buffer = new char[bufferSize];
 }
 
 StdOutRedirector::~StdOutRedirector()
 {
+	delete[] buffer;
 }
 
 void StdOutRedirector::readOutsToTF()
 {
 
+	size_t len;
+	char* copy;
+
 	int n_out;
-	char* buffer = new char[4096];
 	QString str;
 	//char buffer[512];
+	//qDebug() << "begin read...";
 	//qDebug() << "from qdebug...";
-	//printf("from printf...\n");
+	//printf("from printf...");
 	//std::cout << "from std::cout..." << std::endl;
 	fflush(stdout);
 	//Perhaps there is a non-blocking version of _read() that you can call ?
-	n_out = read(fdguistd[0], buffer, 4096);
-
-	if (n_out <= 0)
+	memset(buffer, 0, bufferSize);
+	n_out = read(fdguistd[0], buffer, bufferSize);
+	if (n_out <= 0) {
 		return;
+	}
 	if (n_out >= 1) {
 		str.append(QString(buffer));
 		int con = str.lastIndexOf('\n');
 		int remv = str.at(con - 1) == '\n' ? 1 : 0;
-		if (con) {
+		if (con > 0) {
 			str = str.remove(con - remv, str.length());
 			output->append(str);
 		}
 	}
-
-
-
+	return;
 }
 
 

src/StdOutRedirector.h

@@ -42,4 +42,6 @@ private:
 	QTextEdit* output;
 	int fdStdOut;
 	int fdguistd[2];
+	char* buffer = nullptr;
+	const int bufferSize = 4096;
 };