Commit 84fa12c8 authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

Cris Bailiff found this flaw, gethostbyname_r() on linux returns 0 even 

when it can't lookup the name (at least in some cases) and thus we need
to make an extra check to detect failures.
parent 296b35fe

lib/hostip.c

+2 −0
Original line number Diff line number Diff line
@@ -605,6 +605,8 @@ Curl_addrinfo *Curl_getaddrinfo(struct SessionHandle *data, 
                               &h_errnop))==ERANGE) {

      step_size+=200;

    }

    if(!h) /* failure */

      res=1;

    

#ifdef MALLOCDEBUG

    infof(data, "gethostbyname_r() uses %d bytes\n", step_size);