startup functions

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startup functions #417068 02/08/13 01:27 02/08/13 01:27
Joined: Jan 2002 Posts: 4,225 Germany / Essen Uhrwerk OP Expert
Uhrwerk OP Expert Joined: Jan 2002 Posts: 4,225 Germany / Essen	I hope I don't inconvenience you... Code: #include <acknex.h> void foo_startup_bar() { printf("surprise"); } Originally Posted By: manual Functions ending with ..._startup are executed right after the main() function Always learn from history, to be sure you make the same mistakes again...

Re: startup functions [Re: Uhrwerk] #417273 02/11/13 09:16 02/11/13 09:16
Joined: Jul 2000 Posts: 27,986 Frankfurt jcl Chief Engineer
jcl Chief Engineer Joined: Jul 2000 Posts: 27,986 Frankfurt	Thanks, we'll reword the text.

Re: startup functions [Re: jcl] #417468 02/13/13 00:35 02/13/13 00:35
Joined: Jan 2002 Posts: 4,225 Germany / Essen Uhrwerk OP Expert
Uhrwerk OP Expert Joined: Jan 2002 Posts: 4,225 Germany / Essen	What is to be said against fixing the bug in this case? Always learn from history, to be sure you make the same mistakes again...

Re: startup functions [Re: Uhrwerk] #417484 02/13/13 11:02 02/13/13 11:02
Joined: Jul 2000 Posts: 27,986 Frankfurt jcl Chief Engineer
jcl Chief Engineer Joined: Jul 2000 Posts: 27,986 Frankfurt	Changing software behavior just to match the documentation could break existing code - therefore we do that only when there's a real reason for it, such as improving or fixing something. In all other cases we change the documentation.

Re: startup functions [Re: jcl] #417525 02/13/13 15:15 02/13/13 15:15
Joined: Dec 2008 Posts: 1,218 Germany Rackscha Serious User
Rackscha Serious User Joined: Dec 2008 Posts: 1,218 Germany	Originally Posted By: jcl Changing software behavior just to match the documentation could break existing code - therefore we do that only when there's a real reason for it, such as improving or fixing something. In all other cases we change the documentation. my personal quote of the week^^. However, if "startup" is registered from everywhere within the identifier, this limits the programmer, as he can not use this word. AND in all other places, theses marks occur ONLY at the end of the identifier. For example in shadercode where we use_var, _bmap etc. This behaviour for "startup" doesnt match the general behaviour, is not intended, so it's a bug. Last edited by Rackscha; 02/13/13 15:16. MY Website with news of my projects: (for example my current Muliplayer Bomberman, GenesisPrecompiler for LiteC and TileMaster, an easy to use Tile editor) Sparetime-Development

Re: startup functions [Re: jcl] #417530 02/13/13 15:29 02/13/13 15:29
Joined: Jan 2002 Posts: 4,225 Germany / Essen Uhrwerk OP Expert
Uhrwerk OP Expert Joined: Jan 2002 Posts: 4,225 Germany / Essen	Originally Posted By: jcl Changing software behavior just to match the documentation could break existing code But that code was already broken in the first place. Originally Posted By: jcl therefore we do that only when there's a real reason for it There is: As Rakscha pointed out the currently implemented behaviour is totally inconsistent with the rest of the software. Additionally the "_startup" check does not take into account the number of arguments of the function (does not make any sense to me. If it's a startup it shouldn't have any parameters!) This makes the whole thing even more dangerous. Code: #include <acknex.h> void show_startup_text(TEXT* t) { if (t) t->flags \|= SHOW; } This small piece of code will cause your application to crash. Even worse on my machine the crash occurs randomly. Last edited by Uhrwerk; 02/13/13 17:40. Reason: Why was this moved to Lite-C Programming? Always learn from history, to be sure you make the same mistakes again...