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InsideQC Forums • View topic - saved game bug :(

saved game bug :(

Discuss programming topics for the various GPL'd game engine sources.

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saved game bug :(

Postby r00k » Thu Jul 10, 2014 6:02 pm

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Re: saved game bug :(

Postby revelator » Thu Jul 10, 2014 9:15 pm

hmm i wonder if using _snprintf instead would help :?:
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Re: saved game bug :(

Postby Spike » Thu Jul 10, 2014 11:42 pm

which key/field/global is it saving?

strings are often dodgy. especially in 64bit builds. negative values are not unheard of. which is vile.
remember that the engine typically uses val->string = "somestring"-pr_strings; to set the string. the string value can point to ANY bit of memory (within a 32bit memory space), which can have been freed or whatever since it was allocated.
or the mod you're running somehow messed up some argument or something and stored a float in a string field, which is a common way to crash an engine...
making an engine 64-bit safe is fun, and typically fixes all these other issues in the process, if done properly.

sprintf won't crash on that line due to an overflow, the crash would be on one of the following lines instead. snprintf would be a good idea though. or strlcpy.
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Re: saved game bug :(

Postby r00k » Fri Jul 11, 2014 2:16 pm

Well, so far I have tracked the bug back to Nov. 2012, so I'm sure it's not the protocol 666 implementation as I didnt have it in that version... :D
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Re: saved game bug :(

Postby r00k » Mon Jul 14, 2014 4:51 pm

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