updated xtils and cleaned code in main.cpp

dependencies/xtils

@@ -1 +1 @@
-Subproject commit 99a1fc74e16af3261e7cfff4e03d470a7a05feb0
+Subproject commit fdcafdbbcb3f34c33b9cffb2be569b9aa5f42a57

src/main.cpp

@@ -43,18 +43,22 @@ int __cdecl main( int argc, const char *argv[] )
 
     if ( parser.exists( "bin" ) && parser.exists( "vmentry" ) )
     {
+        if ( !std::filesystem::exists( parser.get< std::string >( "bin" ) ) )
+        {
+            std::printf( "> path to protected file is invalid... check your cli args...\n" );
+            return -1;
+        }
 
         const auto module_base = reinterpret_cast< std::uintptr_t >(
             LoadLibraryExA( parser.get< std::string >( "bin" ).c_str(), NULL, DONT_RESOLVE_DLL_REFERENCES ) );
 
         const auto vm_entry_rva = std::strtoull( parser.get< std::string >( "vmentry" ).c_str(), nullptr, 16 );
-
         const auto image_base = umtils->image_base( parser.get< std::string >( "bin" ).c_str() );
-
         const auto image_size = NT_HEADER( module_base )->OptionalHeader.SizeOfImage;
 
         std::printf( "> module base = 0x%p, image base = 0x%p, image size = 0x%p\n", module_base, image_base,
                      image_size );
+
         vm::ctx_t vmctx( module_base, image_base, image_size, vm_entry_rva );
 
         if ( !vmctx.init() )