From ad9d856056a51b6cfeb41ecb47bb2bfd60a33b84 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Wed, 13 Feb 2013 20:00:12 -0500
Subject: [PATCH] fix read/write count adjustment ( -= bytes transferred)

---
 mpw/mpw.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mpw/mpw.cpp b/mpw/mpw.cpp
index 0c3b34b..09ed9e5 100644
--- a/mpw/mpw.cpp
+++ b/mpw/mpw.cpp
@@ -276,13 +276,13 @@ namespace {
 
 			if (size < 0)
 			{
-				f.count = 0;
+				//f.count = 0;
 				f.error = OS::ioErr; // ioErr
 				d0 = 0x40000000 | errno_to_errno(errno);
 			}
 			else
 			{
-				f.count = size;
+				f.count -= size;
 				f.error = 0;
 			}
 
@@ -338,13 +338,14 @@ namespace {
 
 			if (size < 0)
 			{
-				f.count = 0;
+				//f.count = 0;
 				f.error = -36; // ioErr
 				d0 = 0x40000000 | errno_to_errno(errno);
 			}
 			else
 			{
-				f.count = size;
+				// this is, apparently, correct.
+				f.count -= size;
 				f.error = 0;
 			}