diff --git a/src/core/pivariant.cpp b/src/core/pivariant.cpp
index 3ad4acd2..00a99270 100755
--- a/src/core/pivariant.cpp
+++ b/src/core/pivariant.cpp
@@ -169,8 +169,7 @@ bool PIVariant::toBool() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real() != 0;}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toBool();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return false; return r.front().toBool();}
-	case PIVariant::pivCustom:
-		return getAsValue<bool>(*this);
+	case PIVariant::pivCustom: return getAsValue<bool>(*this);
 	default: break;
 	}
 	return false;
@@ -203,8 +202,7 @@ int PIVariant::toInt() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toInt();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return 0; return r.front().toInt();}
-	case PIVariant::pivCustom:
-		return getAsValue<int>(*this);
+	case PIVariant::pivCustom: return getAsValue<int>(*this);
 	default: break;
 	}
 	return 0;
@@ -236,8 +234,8 @@ llong PIVariant::toLLong() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toLLong();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return 0L; return r.front().toLLong();}
-	case PIVariant::pivCustom:
-		return getAsValue<llong>(*this);
+	case PIVariant::pivCustom: return getAsValue<llong>(*this);
+	default: break;
 	}
 	return 0L;
 }
@@ -268,8 +266,8 @@ float PIVariant::toFloat() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toFloat();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return 0.f; return r.front().toFloat();}
-	case PIVariant::pivCustom:
-		return getAsValue<float>(*this);
+	case PIVariant::pivCustom: return getAsValue<float>(*this);
+	default: break;
 	}
 	return 0.f;
 }
@@ -300,8 +298,8 @@ double PIVariant::toDouble() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toDouble();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return 0.; return r.front().toDouble();}
-	case PIVariant::pivCustom:
-		return getAsValue<double>(*this);
+	case PIVariant::pivCustom: return getAsValue<double>(*this);
+	default: break;
 	}
 	return 0.;
 }
@@ -332,8 +330,8 @@ ldouble PIVariant::toLDouble() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toLDouble();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return 0.; return r.front().toLDouble();}
-	case PIVariant::pivCustom:
-		return getAsValue<float>(*this);
+	case PIVariant::pivCustom: return getAsValue<float>(*this);
+	default: break;
 	}
 	return 0.;
 }
@@ -364,8 +362,8 @@ complexd PIVariant::toComplexd() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toDouble();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return complexd_0; return r.front().toDouble();}
-	case PIVariant::pivCustom:
-		return getAsValue<complexd>(*this);
+	case PIVariant::pivCustom: return getAsValue<complexd>(*this);
+	default: break;
 	}
 	return complexd_0;
 }
@@ -396,8 +394,8 @@ complexld PIVariant::toComplexld() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return r.real();}
 	case PIVariant::pivString: {PIString r; ba >> r; return r.toLDouble();}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return complexld_0; return r.front().toLDouble();}
-	case PIVariant::pivCustom:
-		return getAsValue<complexld>(*this);
+	case PIVariant::pivCustom: return getAsValue<complexld>(*this);
+	default: break;
 	}
 	return complexld_0;
 }
@@ -484,8 +482,8 @@ PIString PIVariant::toString() const {
 	case PIVariant::pivComplexld: {complexld r; ba >> r; return PIString::fromNumber(r.real());}
 	case PIVariant::pivString: {PIString r; ba >> r; return r;}
 	case PIVariant::pivStringList: {PIStringList r; ba >> r; if (r.isEmpty()) return PIString(); return r.front();}
-	case PIVariant::pivCustom:
-		return getAsValue<PIString>(*this);
+	case PIVariant::pivCustom: return getAsValue<PIString>(*this);
+	default: break;
 	}
 	return PIString();
 }
diff --git a/src/io/pipeer.cpp b/src/io/pipeer.cpp
index 2e6d96f9..07ccfb1f 100755
--- a/src/io/pipeer.cpp
+++ b/src/io/pipeer.cpp
@@ -134,7 +134,7 @@ PIString PIPeer::PeerInfo::fastestAddress() const {
 
 REGISTER_DEVICE(PIPeer)
 
-PIPeer::PIPeer(const PIString & n): PIIODevice(), diag_d(false), diag_s(false), eth_tcp_srv(PIEthernet::TCP_Server), eth_tcp_cli(PIEthernet::TCP_Client) {
+PIPeer::PIPeer(const PIString & n): PIIODevice(), eth_tcp_srv(PIEthernet::TCP_Server), eth_tcp_cli(PIEthernet::TCP_Client), diag_s(false), diag_d(false) {
 	destroyed = false;
 	PIMutexLocker mbl(mc_mutex);
 	PIMutexLocker ethl(eth_mutex);
diff --git a/src/system/piprocess.cpp b/src/system/piprocess.cpp
index 962afe38..2f24dedd 100755
--- a/src/system/piprocess.cpp
+++ b/src/system/piprocess.cpp
@@ -64,8 +64,8 @@ void PIProcess::startProc(bool detached) {
 	//cout << "run" << endl;
 	PIString str;
 	/// arguments convertion
-	int as = 0;
 #ifdef WINDOWS
+	int as = 0;
 	//args.pop_front();
 	piForeachC (PIString & i, args)
 		as += i.lengthAscii() + 3;
@@ -135,7 +135,8 @@ void PIProcess::startProc(bool detached) {
 		if (g_out) tf_out = freopen(f_out.path().data(), "w", stdout);
 		if (g_err) tf_err = freopen(f_err.path().data(), "w", stderr);
 #ifndef WINDOWS
-		if (!wd.isEmpty()) as = chdir(wd.data());
+		int as2;
+		if (!wd.isEmpty()) as2 = chdir(wd.data());
 #endif
 #ifdef WINDOWS
 	GetStartupInfoA(&si);