fix clang format and clear flag for read process out\err

.gitignore

@@ -5,3 +5,4 @@ _unsused
 CMakeLists.txt.user*
 /include
 /release
+/build*

libs/main/system/piprocess.cpp

@@ -171,10 +171,7 @@ void PIProcess::startProc(bool detached) {
 		if (g_in) PRIVATE->tf_in = freopen(f_in.path().data(), "r", stdin);
 		if (g_out) PRIVATE->tf_out = freopen(f_out.path().data(), "w", stdout);
 		if (g_err) PRIVATE->tf_err = freopen(f_err.path().data(), "w", stderr);
-#  ifndef WINDOWS
-		if (!wd.isEmpty())
-			if (!chdir(wd.data())) piCoutObj << "Error while set working directory";
-#  endif
+
 #  ifdef WINDOWS
 		GetStartupInfoA(&(PRIVATE->si));
 		piZeroMemory(PRIVATE->pi);
@@ -196,15 +193,19 @@ void PIProcess::startProc(bool detached) {
 			}
 			CloseHandle(PRIVATE->pi.hThread);
 			CloseHandle(PRIVATE->pi.hProcess);
-		} else
+		} else {
 			piCoutObj << "\"CreateProcess\" error: %1"_tr("PIProcess").arg(errorString());
-#  else
-
+		}
+#  endif
+#  ifndef WINDOWS
+		if (!wd.isEmpty()) {
+			if (!chdir(wd.data())) piCoutObj << "Error while set working directory";
+		}
 		// cout << "exec " << tf_in << ", " << tf_out << ", " << tf_err << endl;
-	if (execve(str.data(), (char * const *)argscc, (char * const *)envcc) < 0)
+		if (execve(str.data(), (char * const *)argscc, (char * const *)envcc) < 0) {
 			piCoutObj << "\"execve" << str << args << "\" error :" << errorString();
 		}
-else {
+	} else {
 		piMinSleep();
 		// cout << "wait" << endl;
 		if (!detached) {
@@ -222,6 +223,16 @@ else {
 #  endif
 }
 
+PIByteArray PIProcess::readFile(PIFile & f, bool clear)
+{
+	f.open(PIIODevice::ReadOnly);
+	const auto ret = f.readAll();
+	if (clear) {
+		f.clear();
+	}
+	return ret;
+}
+
 
 void PIProcess::terminate() {
 #  ifdef WINDOWS
@@ -255,6 +266,14 @@ else {
 #  endif
 }
 
+PIByteArray PIProcess::readOutput(bool clear) {
+	return readFile(f_out, clear);
+}
+
+PIByteArray PIProcess::readError(bool clear) {
+	return readFile(f_err, clear);
+}
+
 
 int PIProcess::currentPID() {
 #  ifdef WINDOWS

libs/main/system/piprocess.h

@@ -99,18 +99,11 @@ public:
 
 	//! \~english Returns all attached execution output stream
 	//! \~russian
-	PIByteArray readOutput() {
-		f_out.open(PIIODevice::ReadOnly);
-		return f_out.readAll();
-	}
+	PIByteArray readOutput(bool clear = false);
 
 	//! \~english Returns all attached execution error stream
 	//! \~russian
-	PIByteArray readError() {
-		f_err.open(PIIODevice::ReadOnly);
-		return f_err.readAll();
-	}
-
+	PIByteArray readError(bool clear = false);
 
 	//! \~english Returns current attached execution environment
 	//! \~russian
@@ -227,6 +220,7 @@ private:
 	void run() override;
 	void exec_();
 	void startProc(bool detached);
+	PIByteArray readFile(PIFile & f, bool clear);
 
 	PRIVATE_DECLARATION(PIP_EXPORT)
 	PIStringList args, env;