From 0ce4f7624f06c288191d9d92f9148ab05ff5c172 Mon Sep 17 00:00:00 2001
From: sonicfind <52436993+sonicfind@users.noreply.github.com>
Date: Sun, 20 Sep 2020 00:13:09 -0500
Subject: [PATCH] GSdx-Capture: Abort capture if an invalid directory is given

---
 plugins/GSdx/GSCapture.cpp           | 15 ++++++++++++---
 plugins/GSdx/Window/GSCaptureDlg.cpp |  7 +++++++
 plugins/GSdx/Window/GSCaptureDlg.h   |  1 +
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/plugins/GSdx/GSCapture.cpp b/plugins/GSdx/GSCapture.cpp
index 113227ff49..21495e72d2 100644
--- a/plugins/GSdx/GSCapture.cpp
+++ b/plugins/GSdx/GSCapture.cpp
@@ -420,9 +420,6 @@ std::wstring* GSCapture::BeginCapture(float fps, GSVector2i recommendedResolutio
 	if (IDOK != dlg.DoModal())
 		return nullptr;
 
-	m_size.x = (dlg.m_width + 7) & ~7;
-	m_size.y = (dlg.m_height + 7) & ~7;
-
 	{
 		int start = dlg.m_filename.length() - 4;
 		if (start > 0)
@@ -434,9 +431,21 @@ std::wstring* GSCapture::BeginCapture(float fps, GSVector2i recommendedResolutio
 		}
 		else
 			dlg.m_filename += ".avi";
+
+		FILE* test = fopen(dlg.m_filename.c_str(), "w");
+		if (test)
+			fclose(test);
+		else
+		{
+			dlg.InvalidFile();
+			return nullptr;
+		}
 	}
+
 	std::wstring fn{dlg.m_filename.begin(), dlg.m_filename.end()};
 
+	m_size.x = (dlg.m_width + 7) & ~7;
+	m_size.y = (dlg.m_height + 7) & ~7;
 	//
 
 	HRESULT hr;
diff --git a/plugins/GSdx/Window/GSCaptureDlg.cpp b/plugins/GSdx/Window/GSCaptureDlg.cpp
index c5e7981b28..0b56c3e18a 100644
--- a/plugins/GSdx/Window/GSCaptureDlg.cpp
+++ b/plugins/GSdx/Window/GSCaptureDlg.cpp
@@ -35,6 +35,13 @@
 
 #define EndEnumSysDev }}}
 
+void GSCaptureDlg::InvalidFile()
+{
+	char tmp[512];
+	sprintf_s(tmp, "GSdx couldn't open file for capturing: %s.\nCapture aborted.", m_filename.c_str());
+	MessageBox(GetActiveWindow(), tmp, "GSdx System Message", MB_OK | MB_SETFOREGROUND);
+}
+
 GSCaptureDlg::GSCaptureDlg()
 	: GSDialog(IDD_CAPTURE)
 {
diff --git a/plugins/GSdx/Window/GSCaptureDlg.h b/plugins/GSdx/Window/GSCaptureDlg.h
index 56a6d938e9..17a6ce43f7 100644
--- a/plugins/GSdx/Window/GSCaptureDlg.h
+++ b/plugins/GSdx/Window/GSCaptureDlg.h
@@ -46,6 +46,7 @@ protected:
 
 public:
 	GSCaptureDlg();
+	void InvalidFile();
 
 	int m_width;
 	int m_height;