On Thu, Apr 02, 2009 at 01:55:29PM -0700, Kaveh R. Ghazi wrote: > From: "Marc Glisse" <marc.gli...@normalesup.org> > >This could be related to a call to sprintf(str,...,str,...), which > >according to the doc is undefined behaviour. > > Doc? I don't see it in the man page. Got a url?
man 3p sprintf says: If copying takes place between objects that overlap as a result of a call to sprintf() or snprintf(), the results are undefined. ISO C99 7.19.6.6 has similar wording: If copying takes place between objects that overlap, the behavior is undefined. Jakub