Michal Maybe you need to allocate output ;-) Samuel Micha? a ?crit : > Hi, > > I wanted concatenate: "sip:"user"@"domain,where domain is char * passed to the function but my program exits on the first pj_strcat2. I can't find why. > this is part of my function: > > SinReg(char *sipserv) > { > .... > pj_str_t output = pj_str(""); > pj_strcat2(&output,"sip:"); //here program exits > pj_strcat2(&output,"user"); > pj_strcat2(&output,"@"); > pj_strcat(&output,&pj_str(sipserv)); > > ... > } > > Thanks for any help > Michael > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > >