| --- Log opened Tue Nov 21 00:00:08 2006 |
| --- Day changed Tue Nov 21 2006 |
| 00:00 | | * Vornotron forgets what that stands for |
| 00:00 | <@ToxicFrog> | string-printf limited to n bytes. |
| 00:00 | <@ToxicFrog> | Thus ensuring it won't overflow your buffer unless you pass it a bad n. |
| 00:01 | < Janus> | Ah, I see. You did have to let the 'char' array it used quite large to avoid just that. |
| 00:01 | < Janus> | Thank you then~ |
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| 00:05 | < MyCatOwnz> | Vornotron: In C++, I think you can use sstreams too, if you're a masochist. |
| 00:07 | <@ToxicFrog> | Or link against liblua and use string.format~ |
| 00:09 | < MyCatOwnz> | Or take a shot because you're using goddamn C++ instead of something sane. |
| 00:09 | <@ToxicFrog> | Heh. |
| 00:10 | < Janus> | Great, first it rags on my second favourate function, now it's picking my beloved atan(). |
| 00:10 | < Janus> | Apparently, being "ambiguous" is a crime now. |
| 00:12 | < Janus> | ...and finally, the worst thing it could possibly find fault on, everything has to have a return value. |
| 00:13 | | * ToxicFrog eyebrows |
| 00:13 | | * Janus notes that this includes about 30 functions. |
| 00:19 | <@ToxicFrog> | By "everything has to have a return value", what exactly do you mean? |
| 00:20 | <@ToxicFrog> | Everything has to declare a return value, or everything has to have a non-void return value? |
| 00:20 | <@ToxicFrog> | The former is, well, yes. |
| 00:20 | <@ToxicFrog> | The latter means your compiler is broken. |
| 00:22 | < Janus> | The former. It's a convention Dev-Cpp never enforced so I never know about it. As example, "main()" is top and center on the error list. |
| 00:22 | < MyCatOwnz> | int main (int argc, char** argv) {// done! |
| 00:22 | < MyCatOwnz> | And you oughta be doing that by habit, even. :) |
| 00:23 | <@ToxicFrog> | gcc doesn't /enforce/ it, but it should have been barfing out many a warning. |
| 00:23 | < Janus> | I'll be sure to do so from now on. |
| 00:23 | | Janus is now known as Jan[din] |
| 00:23 | < MyCatOwnz> | Oh an the picking on atan()... are you feeding floats into and out of atan()? Because it takes and returns doubles. |
| 00:23 | <@ToxicFrog> | Also, any function that does not have a declared return value defaults to int, which is often not what you want. |
| 00:23 | < MyCatOwnz> | *and |
| 00:24 | < Vornotron> | yes, in general, stuff in math should deal with doubles |
| 00:24 | < MyCatOwnz> | Jan[din]: if'n you're passing float values into and out of atan(), you'll want to either explicitly cast them -or- use atanf() instead. |
| 00:24 | < MyCatOwnz> | Vornotron: I have a slow FPU that disagrees with you =) |
| 00:28 | < Vornotron> | :P |
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| 00:29 | < Takyoji> | http://us.wii.com/viewer_tvcm_usa.jsp?vid=5 |
| 00:46 | < Vornotron> | ...I think that's the first video game ad I've ever seen where they actually show the people playing it. |
| 00:47 | < Vornotron> | http://www.youtube.com/watch?v=Wz2z-ZbcxT0 <--- as opposed to, say, this one. |
| 00:56 | < Takyoji> | xD |
| 00:56 | < Takyoji> | I like old commericials xD.. |
| 00:58 | < Vornotron> | ...well, okay, the Super Scope almost did. |
| 00:58 | < Vornotron> | But. |
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| 01:40 | | * Vornotron floons |
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| 16:09 | <@ToxicFrog> | Hmm. So. Protocol between client and server in spellcast3. |
| 16:10 | <@ToxicFrog> | The easy way is simply to have a Message object generate a function that when executed constructs and returns a copy of the Message, then send that. |
| 16:11 | <@ToxicFrog> | However, this involves taking arbitrary code off the wire and running it, and while I can protect the host system and the server's internal state from alteration, I can't protect against, say, [[while true do end]]. |
| 16:13 | <@ToxicFrog> | The alternative is writing my own format and parser. Again. |
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| 17:32 | <@Vornicus> | For the record, Schlockian also has a way to make functions... but it is so bad that I can't write functions myself. |
| 17:43 | < GeoTube> | f(x)=x^2-X |
| 17:43 | | * GeoTube legs it |
| 17:44 | <@ToxicFrog> | Error: attempt to perform arithmetic on a nil value |
| 17:44 | | * ToxicFrog immolates GeoTube |
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| 21:20 | <@Vornicus> | Gems from the Jargon File: "New versions of the Mozilla web browser internally refer to the image library as 'libpr0n'" |
| 21:22 | | * AnnoDomini chokes on his tea. |
| 21:23 | < AnnoDomini> | Huh? |
| 21:23 | < AnnoDomini> | There is pr0n in Mozilla Firefox 2.0? |
| 21:23 | <@Vornicus> | more along the lines of "this is what you use to look at pr0n" |
| 21:24 | < AnnoDomini> | I see. |
| 21:27 | <@Vornicus> | (and now, how I got there: film at 11, seen on some blog or other, I forget which, up an item to filk, and then that links to other intentional misspellings, including pr0n) |
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| 22:26 | < Janus> | Mmm... may I ask if anyone knows what an "entry point" is, and how to "define" one? |
| 22:26 | | * Janus is only one error away from having a working IDE again! |
| 22:27 | <@ToxicFrog> | The entry point is where the program starts execution. In C and C++, this is main(). |
| 22:27 | <@ToxicFrog> | To define one, simply define an appropriate main(). |
| 22:28 | | * Janus looks curiously at his main()... |
| 22:29 | <@ToxicFrog> | Either [[int main()]] or [[int main(int argc, char ** argv)]] - or some semantically equivalent variant thereof - should be acceptable to the compiler. |
| 22:29 | <@Vornicus> | main should not be declared, only defined; it should return an integer, and it should have a signature li... like that above |
| 22:30 | <@ToxicFrog> | Vornicus: we never spoke of declaration, only of definition, so~ |
| 22:30 | <@Vornicus> | C++ I believe allows or possibly prefers void main() |
| 22:30 | <@Vornicus> | but I do not know why |
| 22:30 | <@ToxicFrog> | Janus: bear in mind that in windows, there is some kind of wackiness with "WinMain()" which may or may not cause you grief depending on what compiler you're using and what -l and -m lines you pass to it. |
| 22:31 | < Janus> | It's the latter format, has a "return 1;" is an integer, but it is defined and declared in ''Main.c" in the same go. |
| 22:31 | <@ToxicFrog> | ...paste the declaration here? |
| 22:31 | <@ToxicFrog> | Err, first few lines of the definition rather? |
| 22:31 | <@ToxicFrog> | (since it shouldn't have a declaration, after all0 |
| 22:32 | <@Vornicus> | and if you're working on Java, the main method has signature public static void main(String[] args) |
| 22:32 | < Janus> | http://pastie.caboo.se/23877 |
| 22:33 | <@ToxicFrog> | Vornicus: public static void ProgramName::main(String[] args), rather. |
| 22:33 | <@Vornicus> | well, yes |
| 22:33 | <@ToxicFrog> | Your formatting is the voice of madness, Janus, but it does look fine to me. |
| 22:34 | <@ToxicFrog> | What's the error thrown by the compiler? |
| 22:34 | < Janus> | After "Linking..." is says: "LINK : fatal error LNK1561: entry point must be defined" |
| 22:34 | <@ToxicFrog> | That sounds like the microsoft compiler. |
| 22:34 | <@ToxicFrog> | I cannot aid you. |
| 22:35 | < Janus> | Fantastic~ |
| 22:36 | < GeoTube> | Amazing! |
| 22:38 | <@ToxicFrog> | I'm quite serious. I use the microsoft compiler for one purpose alone, and that is building the parts of the SGOS kernel that still require it. I know nothing of fixing its myriad faults. |
| 22:40 | | * ToxicFrog takes msdev's build tools, locks them in a closet with the authors of his stats textbook and several halfbricks, and then entombs the entire thing in lava. |
| 22:41 | < Janus> | Alright then, thanks for the help. In the very least, I know /what/ an entry point is now~ |
| 22:41 | | * ToxicFrog listens to the Ur-Quan Kohr-Ah theme and plots the downfall of his foes |
| 22:42 | | * GeoTube plots the fall of his socks |
| 22:47 | | * Janus sets fire to Visual Studio. |
| 22:48 | | Janus is now known as Jan[dinner] |
| 22:48 | < AnnoDomini> | Kill the interloper! Rip out its life! |
| 22:48 | | * ToxicFrog eyebrows |
| 22:49 | < Jan[dinner]> | It takes the flavour out if you remove the life. |
| 22:50 | | * AnnoDomini shoulders. |
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| 22:54 | | * GeoTube kneecaps |
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| 22:54 | < GeoTube> | wb cat owner |
| 22:56 | < MyCatOwnz> | Thanks GeoTube. |
| 22:56 | < MyCatOwnz> | ToxicFrog: you know what the funniest thing ever would be? |
| 22:57 | < MyCatOwnz> | ToxicFrog: an MSVC build of the entire OpenBSD OS. |
| 22:57 | <@ToxicFrog> | You have a peculiar definition of funny~ |
| 22:58 | < MyCatOwnz> | Okay, what about at least the Loonix kernel? |
| 23:00 | <@Vornicus> | I don't know if MSVC can handle the Linux kernel code. |
| 23:02 | | * Vornicus knows he can blow up MSVC6 with some particularly stilted but still technically legal default parameters to a constructor. |
| 23:02 | <@Vornicus> | though msvc.net lived with it |
| 23:02 | < MyCatOwnz> | Iono. I think it probably uses a lot of GNU extensions. |
| 23:02 | <@ToxicFrog> | 6 is exceptionally easy to explode even for MSDev. |
| 23:05 | <@Vornicus> | true |
| 23:06 | < MyCatOwnz> | ...mind, the first few versions of Linux were apparently more like assembley than C. |
| 23:06 | | * Vornicus does wonder how one compiles a kernel. |
| 23:06 | < MyCatOwnz> | Hence it'd be more of a case of living up to GAS than to GCC. ^_^ |
| 23:06 | <@Vornicus> | the makefiles must be epic |
| 23:07 | < MyCatOwnz> | Vornicus: if you wanna find out from first principles, easiest way is to read the sources. |
| 23:07 | <@ToxicFrog> | Vornicus: $ make~ |
| 23:07 | < MyCatOwnz> | Vornicus: *NOT* the sources for Linux or *BSD! Go download the sources for MINIX 3 instead. |
| 23:08 | <@ToxicFrog> | MCO: That tells you how it works. |
| 23:08 | <@ToxicFrog> | Not how to turn it into a binary. |
| 23:08 | < MyCatOwnz> | Since the MINIXes are open source now and make pretty good teachin' aids. |
| 23:08 | < MyCatOwnz> | ToxicFrog: it uses the standard GNU compiler toolchain. Ye kin' read the makefiles 'n' stuff. *shrugs* |
| 23:09 | <@ToxicFrog> | MCO: yes, exactly. |
| 23:09 | < MyCatOwnz> | ...wouldn't you count the makefiles as part of the source? |
| 23:10 | < MyCatOwnz> | I mean, in particular for something like a kernel that has to have a whacky and esoteric layout in memory. |
| 23:13 | <@Vornicus> | Raise a glass and sit and stare! Understand the man! |
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| 23:15 | | * GeoTube squareroots TheWatcher[T-2] |
| 23:17 | | * AnnoDomini integrates TheWatcher[T-2] in area K+ by dt. |
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| 23:29 | | * Janus eureka |
| 23:29 | <@Vornicus> | what was wrong? |
| 23:30 | < Janus> | Visual Studio is seeing main() as "SDL_Main()" for some reason. |
| 23:30 | <@Vornicus> | oh, you're using SLD |
| 23:30 | <@Vornicus> | SDL* |
| 23:31 | | * AnnoDomini read that as LSD. |
| 23:31 | <@Vornicus> | which renames your main() method and wraps it in its own |
| 23:31 | <@ToxicFrog> | ...oh, you #included SDLMain.h? |
| 23:31 | <@ToxicFrog> | If you do this you have to link against libSDLmain. |
| 23:31 | <@ToxicFrog> | As it says in the documentation. |
| 23:32 | <@Vornicus> | and, at that, requires that you use a specific prototype, because SDL calls your main function in a specific way |
| 23:32 | < Janus> | I've already linked against "SDL.lib" and "SDLmain.lib" I believe. |
| 23:33 | <@ToxicFrog> | And, yes, main has to be declared exactly as: |
| 23:33 | <@ToxicFrog> | int main(int argc, char * argv[]) |
| 23:33 | <@ToxicFrog> | But you're already doing that. |
| 23:35 | | * Janus toys with it. |
| 23:37 | <@ToxicFrog> | Are you quite sure you're linking against libSDLmain? |
| 23:37 | <@ToxicFrog> | (although I must say I've never tried it in MSVC. Maybe it doesn't work?) |
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| 23:40 | < Janus> | Would it go in something like, say, Linker->Input->Additional Dependancies (?) |
| 23:49 | <@ToxicFrog> | I have no idea. |
| 23:50 | <@ToxicFrog> | As I said earlier, I do not use the msdev build tools except for SGOS and I do not use the msdev IDE at all. |
| 23:56 | < Janus> | I see... Alright. The only other thing I can think of would be deciding the entry point manually. |
| --- Log closed Wed Nov 22 00:00:12 2006 |