From b9bcb95e3703be0f05a7faffbaac47ed2f9c3601 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Sun, 11 Jun 2006 13:00:47 +0000
Subject: [PATCH] Fix non-optimized versions of
 InterlockedIncrement/InterlockedDecrement. Fixes bug 916

svn path=/trunk/; revision=22309
---
 reactos/lib/intrlck/decrement.c | 7 +------
 reactos/lib/intrlck/increment.c | 9 ++-------
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/reactos/lib/intrlck/decrement.c b/reactos/lib/intrlck/decrement.c
index 44e2865f401..acdd31282ad 100644
--- a/reactos/lib/intrlck/decrement.c
+++ b/reactos/lib/intrlck/decrement.c
@@ -21,10 +21,5 @@ LONG NTAPI
 InterlockedDecrement(
 	LPLONG lpAddend)
 {
-	LONG ret;
-
-	ret = *lpAddend;
-	ret = InterlockedExchangeAdd( lpAddend, ret - 1 );
-
-	return ret;
+	return InterlockedExchangeAdd( lpAddend, -1 ) - 1;
 }
diff --git a/reactos/lib/intrlck/increment.c b/reactos/lib/intrlck/increment.c
index 62d3b9f62de..08567c6693d 100644
--- a/reactos/lib/intrlck/increment.c
+++ b/reactos/lib/intrlck/increment.c
@@ -19,12 +19,7 @@
 
 LONG NTAPI
 InterlockedIncrement(
-	PLONG Addend)
+	LPLONG lpAddend)
 {
-	LONG ret;
-
-	ret = *Addend;
-	ret = InterlockedExchangeAdd( Addend, ret + 1 );
-
-	return ret;
+	return InterlockedExchangeAdd( lpAddend, 1 ) + 1;
 }