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Comments:
<0> does vsnprintf act like snprintf with c99? as in returns the number that WOULD have been printed?
<0> c-bot vsnprintf
<1> winkey, here you go: vsnprintf - #include <stdio.h> int vsnprintf (char *s, size_t size, const char *template, va_list ap) Variable Arguments Output Functions (GNU) see - http://www.msunix.co.uk/manual/glibc-2.2.3/html_chapter/libc_12.html#SEC198
<0> don't seem to say
<2> I need to use borland c++ builder with the "Mulithreading library" in order to use openssl perfectly... how can i do this? please... ;
<3> how can i perform a check to see if a double variable is less than 0.. doing if (x<0) does not work properly for some reason when it is a double.
<4> it should work
<3> thats what i thought
<3> well, in that case.. whats the proper scanf statement to get a double var..
<3> scanf("%d",var); ?
<4> lf
<4> c-bot scanf
<1> nabis, here you go: scanf - #include <stdio.h> int scanf (const char *template, ...) Formatted Input Functions (ISO) see - http://www.msunix.co.uk/manual/glibc-2.2.3/html_chapter/libc_12.html#SEC215
<3> i am still thrown off..
<3> theres no conversion for double numbers..
<3> unless it means a float
<3> well its still not working..
<0> is there a comman macro for max path?
<5> no one bothered to tell pwerty that scanf("%lf", &mydouble); would work?
<0> [18:39:36] <4> lf
<0> ohh i see he forgot the &
<5> winkey: well, he wasn't getting the proper value into var because it wasn't the address
<6> hey .. i'm trying to find the arguments a program was called with (that is, argv) in the middle of the program
<6> possible?
<7> I got ebay accounts, Rount,fresh hostwithphpmailer, and I BUY LIST OF FRESH CVV2, I WANT WHO WOULD BE SUPPLYING ME FRESH CVV AND I WILL BE GIVING HIM 40 DOLLARS EVERY WEEKS
<8> Drg`: certainly. what seems hard about it?
<9> steve summit
<9> is my hero
<10> whats the difference between executing with system() and execl()?
<8> the first sentence of each description is usually sufficient to distinguish them.
<8> system does something and when complete (probably) continues your program.
<8> execl replaces your program, only if it fails would your program continue.
<10> aah, thanks
<11> dbtid: Allah Tuttugunu Altin etsin Emii.. Voice(+v) iin farketme teekkr eder :o) 1 2 2 KELEBEK 2ScripT 2 1
<12> Say that again?
<5> watch
<11> dbtid: Allah Tuttugunu Altin etsin Emii.. Voice(+v) iin farketme teekkr eder :o) 1 2 2 KELEBEK 2ScripT 2 1
<5> hee
<5> did you get it that time :P
<12> Third one was a ban, iirc
<13> hi
<13> [what does "dbtid" come from ?]
<14> Doing Better Than I Deserve
<5> oh, you HAD to tell him? :P
<14> :P
<5> how goes it darko``? feeling any better lately?
<14> Ah, a bit.
<14> Just a bit.
<14> Thanks for asking.
<13> ok
<13> thanks
<15> If I have a process A, and its child process B, if A had opened a file before created B (using open), A and B will share the same file descriptor, right? If I close the file descriptor in B (using close), then A won't be able to use the file descriptor?
<16> spn, let me re-read :)
<16> yeah it will
<16> a file remains open-ed as long as there's an open descriptor ***ociated to it
<16> also
<16> if you have a process A open a file, fork a process B which changes its id
<16> the process B has the same rights as A for accessing the open file
<15> But A and B shares the *same* descriptor? That's why if I change the offset in B then A will be affected too?
<16> not the same
<16> the one in B is a copy of the one in A
<16> so they have the same number
<16> (because process B is a copy of process A)
<16> but they are not the same
<16> but you need to check the man page for read and pread
<15> So why if I change A's offset it changes B's?
<17> it's reference counted
<17> the file isn't actually closed until the reference count reaches 0
<17> when you fork, the reference counts will be increased for open files
<12> That's not what he's asking
<17> oh
<17> yes, changing the offset will change it for the others reerencing the same file afaik
<15> I see.
<15> Thanks.
<16> spn
<16> that's why im advising you to take a look at the man page for read AND pread
<15> They don't give many information (I'm on Ubuntu).
<16> erf
<16> www.openbsd.org
<16> there are online man pages there
<16> or on google
<16> c-bot, pread
<1> veins, here you go: pread - #include <unistd.h> ssize_t pread (int filedes, void *buffer, size_t size, off_t offset) Input and Output Primitives (Unix98) see - http://www.msunix.co.uk/manual/glibc-2.2.3/html_chapter/libc_13.html#SEC238
<16> or there too :)
<15> Thanks.
<16> np
<16> as long as you can read man pages, we can be friends
<16> :)
<16> mh
<16> say i have an ioctl FIONREAD call that tells me i can read n bytes from a fd
<16> no wait i need to rephrase
<18> whit a tab, when i past the parameter to fonction... how?
<16> say i have an ioctl FIONREAD call that tells me that there are n bytes available on a fd
<19> arkange: rephrase
<16> is it possible that i get an EINTR error and get a shorter read ?
<16> or is the read of n bytes guaranteed to be atomic ?
<18> sorry wait
<19> the bytes returned would represent the bytes there
<16> ?
<19> ill show you an example hang on
<16> minsport
<16> to put it more simple, if the ioctl says i can read 10 bytes
<16> can read return a value that's not -1 and not 10 ?
<16> -1 with errno == EINTR
<19> no why would it
<16> well i don't know if the data is copied to the process memory atomically
<16> or by chunks
<16> if it is chunked, then maybe an interrupt could cause a short read to happen
<16> i don't know if that can happen or not
<19> interesting.. definetly could look into the source and see
<16> well i could but then i'd have to look at every src :)
<16> i'm bot sure if this is guaranteed by some standart
<20> The system guarantees to read the number of bytes requested if the descriptor references a normal file that has that many bytes left before the end-of-file, but in no other case.
<20> :P
<16> well yeah but that is still vague
<16> the system could guarantee the availability of these bytes non-atomically
<16> :/
<20> i think it means that in a single call to read it guarantess to read that number of bytes (under the specified conditions)
<16> mmh :/
<16> anyways i'm not meeting the requirements
<16> im reading from a socket
<19> i wouldnt go by it
<16> but ... a SOCK_STREAM is supposed to be as reliable as a normal file no ? :)
<20> unless i don't understand by what you mean non-atomically.. i'm sure another process or thread can get some processor time in between there, but read wouldn't return
<12> Files are not reliable
<20> what's a "normal" file anyway.. who defines this normality? :P (ignore me)
<16> sheep--, man 2 fstat ! :)
<16> they mention ``regular files''
<16> so a normal file is a regular file no ? :)
<20> ah, so the man defines normality, i get it
<16> lol
<19> lol
<16> so basically
<16> i should ***ume a short read is always possible
<16> and test it
<19> you should always test everything
<16> mindsport: yeah
<19> test your test :)
<20> yeah, it's usually a bad idea to ***ume anything
<16> lol
<16> common
<16> there are tests that are useless
<20> well, i mean when reading things from files or sockets
<19> definetly anything dynamic or user inputed.
<16> yeah
<16> believe me, i do check things ;)
<19> even things for my personal use I do 2million checks I dont need
<21> CATHCART THE THIRD, M.D. writes:
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