From 6d5dafa489bcb576e0a2a3c5f2b30c32b033d64d Mon Sep 17 00:00:00 2001
From: mothcompute <94941435+mothcompute@users.noreply.github.com>
Date: Thu, 14 Jul 2022 00:00:43 -0700
Subject: [PATCH] fix segfault when passing invalid filename on command line
 (#276)

* fix segfault when passing invalid filename on command line

* fix formatting
---
 src/tracker/sdl/SDL_Main.cpp | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/tracker/sdl/SDL_Main.cpp b/src/tracker/sdl/SDL_Main.cpp
index 75ffa1df..35a95b6b 100644
--- a/src/tracker/sdl/SDL_Main.cpp
+++ b/src/tracker/sdl/SDL_Main.cpp
@@ -65,6 +65,7 @@
 #include <unistd.h>
 #include <sys/types.h>
 #include <limits.h>
+#include <errno.h>
 
 #include <SDL.h>
 #include "SDL_KeyTranslation.h"
@@ -971,13 +972,21 @@ int main(int argc, char *argv[])
 
 	if (loadFile)
 	{
-		PPSystemString newCwd = path.getCurrent();
-		path.change(oldCwd);
-		SendFile(realpath(loadFile, loadFileAbsPath));
-		path.change(newCwd);
-		pp_uint16 chr[3] = {VK_RETURN, 0, 0};
-		PPEvent event(eKeyDown, &chr, sizeof(chr));
-		RaiseEventSerialized(&event);
+		struct stat statBuf;
+		if (stat(loadFile, &statBuf) != 0)
+		{
+			fprintf(stderr, "could not open %s: %s\n", loadFile, strerror(errno));
+		}
+		else
+		{
+			PPSystemString newCwd = path.getCurrent();
+			path.change(oldCwd);
+			SendFile(realpath(loadFile, loadFileAbsPath));
+			path.change(newCwd);
+			pp_uint16 chr[3] = {VK_RETURN, 0, 0};
+			PPEvent event(eKeyDown, &chr, sizeof(chr));
+			RaiseEventSerialized(&event);
+		}
 	}
 
 	// Main event loop