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Fixed crash if allocation for touch device failed.
If the allocation of an SDL_Touch failed, the number of touch devices was still increased. Later access of the SDL_Touch would then have dereferenced the NULL.
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@ -145,13 +145,16 @@ SDL_AddTouch(SDL_TouchID touchID, const char *name)
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}
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}
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SDL_touchDevices = touchDevices;
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SDL_touchDevices = touchDevices;
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index = SDL_num_touch++;
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index = SDL_num_touch;
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SDL_touchDevices[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchDevices[index]));
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SDL_touchDevices[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchDevices[index]));
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if (!SDL_touchDevices[index]) {
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if (!SDL_touchDevices[index]) {
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return SDL_OutOfMemory();
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return SDL_OutOfMemory();
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}
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}
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/* Added touch to list */
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++SDL_num_touch;
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/* we're setting the touch properties */
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/* we're setting the touch properties */
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SDL_touchDevices[index]->id = touchID;
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SDL_touchDevices[index]->id = touchID;
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SDL_touchDevices[index]->num_fingers = 0;
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SDL_touchDevices[index]->num_fingers = 0;
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