Don't segfault if we get a bad database name for some reason that yie…

…lds an invalid temp filename
smowton · Feb 8, 2016 · 14f436e · 14f436e
1 parent 0c675c0
commit 14f436e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Source/winmain.c b/Source/winmain.c
@@ -574,6 +574,10 @@ enum INCREDIMAIL_VERSION incredimail_version;
       SendDlgItemMessage( global_hwnd, IDC_PROGRESS2, PBM_SETPOS, 0, 0 );
 
       inputfile  = CreateFile(temp_file_listing, GENERIC_READ, 0x0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+	  if (inputfile == INVALID_HANDLE_VALUE) {
+		  MessageBox(global_hwnd, "Can't open temporary file", "Error!", MB_OK);
+		  return;
+	  }
 
       do {
          ZeroMemory( im_database_filename, sizeof( im_database_filename ) );