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Fix undefined behavior in SDL_windowsmouse.c

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This fix prevents C undefined behavior from being invoked on Windows
if the user's configured cursor speed is below 6.
This commit is contained in:
Carl Åstholm
2025-01-28 10:19:57 +01:00
committed by Sam Lantinga
parent 1c7cc60286
commit c21bc48a70
1 changed files with 1 additions and 1 deletions
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2
src/video/windows/SDL_windowsmouse.c
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@@ -710,7 +710,7 @@ void WIN_UpdateMouseSystemScale(void)
int v = 10; int v = 10;
if (SystemParametersInfo(SPI_GETMOUSESPEED, 0, &v, 0)) { if (SystemParametersInfo(SPI_GETMOUSESPEED, 0, &v, 0)) {
v = SDL_max(1, SDL_min(v, 20)); v = SDL_max(1, SDL_min(v, 20));
data->dpiscale = SDL_max(SDL_max(v, (v - 2) << 2), (v - 6) << 3); data->dpiscale = SDL_max(SDL_max(v, (v - 2) * 4), (v - 6) * 8);
} }
int params[3]; int params[3];