From e84fc5a368544a091660d340d5cae38bbd571ec7 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 19 Mar 2014 18:25:21 -0400
Subject: [PATCH] Static analysis fix: division by zero.

---
 src/render/SDL_yuv_sw.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/render/SDL_yuv_sw.c b/src/render/SDL_yuv_sw.c
index af685b9d4..4bd1856f4 100644
--- a/src/render/SDL_yuv_sw.c
+++ b/src/render/SDL_yuv_sw.c
@@ -1274,11 +1274,16 @@ SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const SDL_Rect * srcrect,
                     Uint32 target_format, int w, int h, void *pixels,
                     int pitch)
 {
+    const int targetbpp = SDL_BYTESPERPIXEL(target_format);
     int stretch;
     int scale_2x;
     Uint8 *lum, *Cr, *Cb;
     int mod;
 
+    if (targetbpp == 0) {
+        return SDL_SetError("Invalid target pixel format");
+    }
+
     /* Make sure we're set up to display in the desired format */
     if (target_format != swdata->target_format) {
         if (SDL_SW_SetupYUVDisplay(swdata, target_format) < 0) {
@@ -1366,7 +1371,7 @@ SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const SDL_Rect * srcrect,
     default:
         return SDL_SetError("Unsupported YUV format in copy");
     }
-    mod = (pitch / SDL_BYTESPERPIXEL(target_format));
+    mod = (pitch / targetbpp);
 
     if (scale_2x) {
         mod -= (swdata->w * 2);