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Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen) Joseba García 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
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3 SDL Automated Testing Framework User Documentation
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4 by Edgar Simo Serra
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8 Abstract
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10 The SDL Automated Testing Framework, hereby after called SDL_AT, is a meant
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11 to test the SDL code for regressions and other possible failures. It can also
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12 be used to display what your SDL set up supports.
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16 Basics
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18 The main way to use the framework is to compile it and run it, that can be
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19 done with the following command:
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21 $> make test
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23 It should then display something like:
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25 Platform : All tests successful (2)
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26 SDL_RWops : All tests successful (5)
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27 SDL_Surface : All tests successful (6)
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28 Rendering with x11 driver : All tests successful (4)
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30 Indicating that all tests were successful. If however a test fails output it
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31 will report the failure to stderr indicating where and why it happened. This
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32 output can then be sent to the developers so they can attempt to fix the
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33 problem.
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37 Advanced
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39 By passing the "-h" or "--help" parameter to testsdl you can get an overview
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40 of all the possible options you can set to furthur tweak the testing. A sample
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41 of the options would be the following:
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43 Usage: ./testsdl [OPTIONS]
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44 Options are:
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45 -m, --manual enables tests that require user interaction
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46 --noplatform do not run the platform tests
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47 --norwops do not run the rwops tests
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48 --nosurface do not run the surface tests
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49 --norender do not run the render tests
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50 -v, --verbose increases verbosity level by 1 for each -v
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51 -q, --quiet only displays errors
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52 -h, --help display this message and exit
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56 Developers
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58 See SDL_at.h for developer information.
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