From 2a4ec3b76c75c3d8f7fe0c87cd3b44a1e7dbe51c Mon Sep 17 00:00:00 2001
From: Iliyas Jorio <iliyas@jor.io>
Date: Mon, 22 Feb 2021 01:25:12 +0100
Subject: [PATCH] Implement PtrToHand

---
 src/Memory/Memory.cpp | 20 ++++++++++++++++++++
 src/Pomme.h           |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/src/Memory/Memory.cpp b/src/Memory/Memory.cpp
index 2ed2538..354239a 100644
--- a/src/Memory/Memory.cpp
+++ b/src/Memory/Memory.cpp
@@ -97,6 +97,26 @@ void DisposeHandle(Handle h)
 	blocks.Dispose(b);
 }
 
+OSErr PtrToHand(const void* srcPtr, Handle* dstHndl, Size size)
+{
+	if (!dstHndl
+		|| (!srcPtr && size > 0)
+		|| size < 0)
+	{
+		return paramErr;
+	}
+
+	Handle h = NewHandle(size);
+	if (!h)
+		return memFullErr;
+
+	*dstHndl = h;
+
+	memcpy(*h, srcPtr, size);
+
+	return noErr;
+}
+
 //-----------------------------------------------------------------------------
 // Memory: Ptr
 
diff --git a/src/Pomme.h b/src/Pomme.h
index 2a7a33f..0844809 100644
--- a/src/Pomme.h
+++ b/src/Pomme.h
@@ -352,6 +352,9 @@ void SetHandleSize(Handle, Size);
 
 void DisposeHandle(Handle);
 
+// Allocates a handle of the given size and copies the contents of srcPtr into it
+OSErr PtrToHand(const void* srcPtr, Handle* dstHndl, Size size);
+
 //-----------------------------------------------------------------------------
 // Memory: Ptr