Hi everybody,thanks a lot for your help. Actually you were right it size a problem of size. I increased the size and it works. The size was 20 because I thought that '\t' or other thing like that were considered directly as the 'final value', i.e. a space for example. And the value of n1 is 3. But what is weird is that it seems that with Mac OS X 10.5 there is no problem, whereas when I use Mac OS 10.6 the problem occurs. Anyway i understand now,Thank a lot for you help, Regards,Paul
> From: s...@rogue-research.com > To: alast...@alastairs-place.net; elbomber...@hotmail.com > CC: fri...@manoverboard.org; cocoa-dev@lists.apple.com > Subject: Re: Problem mac os X version 10.6 when using sprinft > Date: Fri, 7 May 2010 19:27:57 -0400 > > On Fri, 7 May 2010 21:50:46 +0100, Alastair Houghton said: > > >On 7 May 2010, at 21:16, Sean McBride wrote: > > > >> Also, you should never use sprintf. Use snprintf instead. > > > >snprintf() is safer, certainly, but "never" is a little strong for my > >taste. Like goto or longjmp(), it depends who is using it and what for. > > Well, yes, there's an exception to every rule (even this one). :) > > But really, sprintf is more evil than goto, especially since snprintf > can be easily substituted. Using sprintf is risking exploitable buffer > overflows, a common security problem, especially if the string is user- > input. See also: > <http://developer.apple.com/mac/library/documentation/Security/ > Conceptual/SecureCodingGuide/Articles/BufferOverflows.html#//apple_ref/ > doc/uid/TP40002577-SW10> > > >*Anyway*, this is cocoa-dev, and that being the case, this entire > >question is off-topic. So to bring it back *on* topic, a better > >alternative would be to use NSString's -stringWithFormat: method, which > >is safer than sprintf() or snprintf(), and means you get an NSString > >object which is a much richer type than a plain C string. - > >stringWithFormat: also supports pretty much the same set of specifiers > >that printf() does, with the addition of %@, of course. > > > >Oh, and there's also NSNumberFormatter if you want to format numbers in > >a more sophisticated manner. > > Agreed! > > -- > ____________________________________________________________ > Sean McBride, B. Eng s...@rogue-research.com > Rogue Research www.rogue-research.com > Mac Software Developer Montréal, Québec, Canada > > _________________________________________________________________ Hotmail: Powerful Free email with security by Microsoft. https://signup.live.com/signup.aspx?id=60969_______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
