Use unsafe with a pointer instead of copy

filmor · filmor · commit c15c9c38c18b · 2021-02-10T19:05:40.000+01:00
diff --git a/src/runtime/loader.cs b/src/runtime/loader.cs
@@ -10,14 +10,12 @@ namespace Python.Runtime
     [Obsolete("Only to be used from within Python")]
     static class Loader
     {
-        public static int Initialize(IntPtr data, int size)
+        public unsafe static int Initialize(IntPtr data, int size)
         {
             IntPtr gs = IntPtr.Zero;
             try
             {
-                var buf = new byte[size];
-                Marshal.Copy(data, buf, 0, size);
-                var dllPath = Encoding.UTF8.GetString(buf);
+                var dllPath = Encoding.UTF8.GetString((byte*)data.ToPointer(), size);
 
                 if (!string.IsNullOrEmpty(dllPath))
                 {

Original file line number	Diff line number	Diff line change
`@@ -10,14 +10,12 @@ namespace Python.Runtime`
`10`	`10`	`[Obsolete("Only to be used from within Python")]`
`11`	`11`	`static class Loader`
`12`	`12`	`{`
`13`		`- public static int Initialize(IntPtr data, int size)`
	`13`	`+ public unsafe static int Initialize(IntPtr data, int size)`
`14`	`14`	`{`
`15`	`15`	`IntPtr gs = IntPtr.Zero;`
`16`	`16`	`try`
`17`	`17`	`{`
`18`		`- var buf = new byte[size];`
`19`		`- Marshal.Copy(data, buf, 0, size);`
`20`		`- var dllPath = Encoding.UTF8.GetString(buf);`
	`18`	`+ var dllPath = Encoding.UTF8.GetString((byte*)data.ToPointer(), size);`
`21`	`19`
`22`	`20`	`if (!string.IsNullOrEmpty(dllPath))`
`23`	`21`	`{`