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Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Joseba GarcĂa Echebarria 2010-12-15 01:55:22 PST
I believe the crash is caused by a check not being performed on wether an
SDL_Touch element is NULL before using it in the SDL_SendTouchMotion function
in src/events/SDL_touch.c around line 400.
Judging from the rest of the code, there's a missing
if (!touch) {
return 0;
}
before using "touch" as SDL_GetFinger(), SDL_GetFingerIndexId() use
touch->num_fingers without checking.
I can attach a patch if you like. It seems pretty straightforward, though.
I have yet to discover why touch is being returned as NULL as this error is
only triggered when an actual gesture has been performed, maybe something
related to SDL_AddTouch()?
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 28 Jan 2011 10:21:58 -0800 |
parents | e2641c13bf33 |
children |
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SDL on BeOS R5 ============== You can build SDL on BeOS like any other GNU style package. e.g. ./configure && make && make install By default it is installed in /boot/develop/tools/gnupro/{bin,lib,etc.} Once you install SDL, you need to copy libSDL.so to /boot/home/config/lib, so it can be found by the dynamic linker. Enjoy! Sam Lantinga (slouken@libsdl.org)