From 61aab598a031c2ef4023cbcc60d31391f8479c0d Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 25 Mar 2022 21:29:10 +0000
Subject: Fixes nearest scaler overrun (thanks shauninman)

---
 scale.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scale.c b/scale.c
index 99d0189..2f21ddc 100644
--- a/scale.c
+++ b/scale.c
@@ -108,6 +108,7 @@ static void scale_nearest(unsigned w, unsigned h, size_t pitch, const void *src,
 	int dy = -dst_h;
 	unsigned lines = h;
 	bool copy = false;
+	size_t cpy_w = dst_w * SCREEN_BPP;
 
 	dst += dst_offs;
 
@@ -118,7 +119,7 @@ static void scale_nearest(unsigned w, unsigned h, size_t pitch, const void *src,
 
 		if (copy) {
 			copy = false;
-			memcpy(dst, dst - SCREEN_PITCH, SCREEN_PITCH);
+			memcpy(dst, dst - SCREEN_PITCH, cpy_w);
 			dst += SCREEN_PITCH;
 			dy += h;
 		} else if (dy < 0) {
-- 
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