| blast007 | Juest: why? | 00:17 |
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| Juest | blast007: let's not avoid a situation where tupone changes are to blame for breakage on release | 02:28 |
| Juest | oops, i meant lets avoid such situation | 02:28 |
| blast007 | Juest: if you want to test the code, test it | 02:35 |
| blast007 | run the game | 02:35 |
| Juest | blast007: yeah, but i dont know what exactly to specifically test | 02:55 |
| blast007 | just play the game and see if anything seems different | 03:00 |
| Juest | i cant tell because i dont play the game frequently | 03:08 |
| Juest | i'd like to test specific scenarios that test the changes made | 03:09 |
| SpringTank | Juest, sometimes dont know what is going to break or when. | 03:36 |
| SpringTank | So just goof off on a server and have some fun. | 03:37 |
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| Agatha | memcpy is required to be passed a non-null pointer, even with length zero, so if a null pointer is indeed being passed, that's enough to say it's wrong, prima facie | 04:33 |
| BulletCatcher | https://elixir.bootlin.com/glibc/latest/source/string/memcpy.c reveals that a null pointer is *not* dereferenced when the length is zero. | 04:49 |
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| tupone | the qsort and memcpy are not a problem with the current compilers. except that they stop working with sanitizer. | 06:30 |
| tupone | but they are violations of the current standard | 06:30 |
| tupone | juest, i dont play windows sry, and most of them are leak | 06:32 |
| tupone | the changes are mostly few lines of code. so you can easily check how to test | 06:34 |
| Juest | lately there been quite a few small changes to 2.4 | 06:36 |
| Juest | i guess i'll figure out something | 06:36 |
| Juest | breakpoint will help perhaps? | 06:37 |
| Juest | thanks for the suggestions | 06:38 |
| Juest | SpringTank: i guess i'll try, with a debugger attached :p | 06:38 |
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| Agatha | BulletCatcher: an implementation in some library is one thing, but violating the standard is quite another. In particular, there's a good reason not to: compilers recognize memcpy-like operations, and compile them into memcpy calls, which are then elided at the assembly level. | 15:33 |
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| BulletCatcher | Agatha: Where can I read the memcpy "standard"? | 22:55 |
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| BulletCatcher | https://pubs.opengroup.org/onlinepubs/9699919799/functions/memcpy.html is silent about null pointers. | 23:22 |
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