From 1c29367a5464e17d7ddc5f360fb3bf3c3e75df25 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sat, 30 Sep 2017 18:37:32 +0200
Subject: [PATCH] Buffer writes.

---
 server/TracyFileWrite.hpp | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/server/TracyFileWrite.hpp b/server/TracyFileWrite.hpp
index d45f3e75..42ae1cf6 100755
--- a/server/TracyFileWrite.hpp
+++ b/server/TracyFileWrite.hpp
@@ -1,6 +1,7 @@
 #ifndef __TRACYFILEWRITE_HPP__
 #define __TRACYFILEWRITE_HPP__
 
+#include <algorithm>
 #include <stdio.h>
 
 namespace tracy
@@ -17,18 +18,51 @@ public:
 
     ~FileWrite()
     {
+        if( m_offset > 0 )
+        {
+            fwrite( m_buf, 1, m_offset, m_file );
+        }
         fclose( m_file );
     }
 
     void Write( const void* ptr, size_t size )
     {
-        fwrite( ptr, 1, size, m_file );
+        if( m_offset + size <= BufSize )
+        {
+            memcpy( m_buf + m_offset, ptr, size );
+            m_offset += size;
+        }
+        else
+        {
+            auto src = (const char*)ptr;
+            while( size > 0 )
+            {
+                const auto sz = std::min( size, BufSize - m_offset );
+                memcpy( m_buf + m_offset, src, sz );
+                m_offset += sz;
+                src += sz;
+                size -= sz;
+
+                if( m_offset == BufSize )
+                {
+                    fwrite( m_buf, 1, BufSize, m_file );
+                    m_offset = 0;
+                }
+            }
+        }
     }
 
 private:
-    FileWrite( FILE* f ) : m_file( f ) {}
+    FileWrite( FILE* f )
+        : m_file( f )
+        , m_offset( 0 )
+    {}
+
+    enum { BufSize = 64 * 1024 };
 
     FILE* m_file;
+    char m_buf[BufSize];
+    size_t m_offset;
 };
 
 }