From 884928687dc12967bbb336ee27c09c5396c42896 Mon Sep 17 00:00:00 2001
From: Edoardo Prezioso <edo88@email.it>
Date: Fri, 17 Jan 2014 19:27:12 +0100
Subject: [PATCH] - Fixed overflow checking in some viewpitch code

---
 src/g_game.cpp    | 4 ++--
 src/r_utility.cpp | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/g_game.cpp b/src/g_game.cpp
index 081ffdb53..4ba535a00 100644
--- a/src/g_game.cpp
+++ b/src/g_game.cpp
@@ -775,7 +775,7 @@ void G_AddViewPitch (int look)
 	else if (look > 0)
 	{
 		// Avoid overflowing
-		if (LocalViewPitch + look <= LocalViewPitch)
+		if (LocalViewPitch > INT_MAX - look)
 		{
 			LocalViewPitch = 0x78000000;
 		}
@@ -787,7 +787,7 @@ void G_AddViewPitch (int look)
 	else if (look < 0)
 	{
 		// Avoid overflowing
-		if (LocalViewPitch + look >= LocalViewPitch)
+		if (LocalViewPitch < INT_MIN - look)
 		{
 			LocalViewPitch = -0x78000000;
 		}
diff --git a/src/r_utility.cpp b/src/r_utility.cpp
index 0b51578ed..19ddaa972 100644
--- a/src/r_utility.cpp
+++ b/src/r_utility.cpp
@@ -602,7 +602,7 @@ void R_InterpolateView (player_t *player, fixed_t frac, InterpolationViewer *ivi
 		if (delta > 0)
 		{
 			// Avoid overflowing viewpitch (can happen when a netgame is stalled)
-			if (viewpitch + delta <= viewpitch)
+			if (viewpitch > INT_MAX - delta)
 			{
 				viewpitch = player->MaxPitch;
 			}
@@ -614,7 +614,7 @@ void R_InterpolateView (player_t *player, fixed_t frac, InterpolationViewer *ivi
 		else if (delta < 0)
 		{
 			// Avoid overflowing viewpitch (can happen when a netgame is stalled)
-			if (viewpitch + delta >= viewpitch)
+			if (viewpitch < INT_MIN - delta)
 			{
 				viewpitch = player->MinPitch;
 			}