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Static analysis fix: division by zero.

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icculus committed Mar 19, 2014
1 parent 546cb89 commit e84fc5a368544a091660d340d5cae38bbd571ec7
Showing with 6 additions and 1 deletion.
  1. +6 −1 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);

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