From db7526d989bdfecb6fac2079929efce94cead52c Mon Sep 17 00:00:00 2001
From: _xeroxz <xerox@back.engineering>
Date: Sat, 28 Aug 2021 13:41:32 -0700
Subject: [PATCH] updated read binary file so its fast now...

---
 xtils.hpp | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/xtils.hpp b/xtils.hpp
index 8d53adc..68f92ab 100644
--- a/xtils.hpp
+++ b/xtils.hpp
@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <cstdint>
+#include <filesystem>
 #include <fstream>
 #include <functional>
 #include <map>
@@ -69,20 +70,20 @@ namespace xtils
 
         auto open_binary_file( const std::string &file, std::vector< uint8_t > &data ) -> bool
         {
-            std::ifstream fstr( file, std::ios::binary );
+            auto file_size = std::filesystem::file_size( std::filesystem::path( file ) );
 
-            if ( !fstr.is_open() )
+            if ( !file_size )
                 return false;
 
-            fstr.unsetf( std::ios::skipws );
-            fstr.seekg( 0, std::ios::end );
+            OFSTRUCT of;
+            auto hfile = OpenFile( file.c_str(), &of, NULL );
 
-            const auto file_size = fstr.tellg();
+            if ( ( HANDLE )hfile == INVALID_HANDLE_VALUE )
+                return false;
 
-            fstr.seekg( NULL, std::ios::beg );
-            data.reserve( static_cast< uint32_t >( file_size ) );
-            data.insert( data.begin(), std::istream_iterator< uint8_t >( fstr ), std::istream_iterator< uint8_t >() );
-            return true;
+            DWORD bytes_read;
+            data.resize( file_size );
+            return ReadFile( ( HANDLE )hfile, data.data(), file_size, &bytes_read, nullptr );
         }
 
         auto image_base( const char *image_path ) -> std::uintptr_t
@@ -95,7 +96,7 @@ namespace xtils
             return NT_HEADER( image_header )->OptionalHeader.ImageBase;
         }
 
-        auto image_size(const char* image_path) -> std::uintptr_t
+        auto image_size( const char *image_path ) -> std::uintptr_t
         {
             char image_header[ PAGE_4K ];
             std::ifstream file( image_path, std::ios::binary );