mdw@git.distorted.org.uk Git - qmail/blob - dnsfq.c

   1 #include "substdio.h"
   2 #include "subfd.h"
   3 #include "stralloc.h"
   4 #include "dns.h"
   5 #include "dnsdoe.h"
   6 #include "ip.h"
   7 #include "ipalloc.h"
   8 #include "exit.h"
   9
  10 stralloc sa = {0};
  11 ipalloc ia = {0};
  12
  13 void main(argc,argv)
  14 int argc;
  15 char **argv;
  16 {
  17  if (!argv[1]) _exit(100);
  18
  19  if (!stralloc_copys(&sa,argv[1]))
  20   { substdio_putsflush(subfderr,"out of memory\n"); _exit(111); }
  21
  22  dns_init(1);
  23  dnsdoe(dns_ip(&ia,&sa));
  24  if (ia.len <= 0)
  25   {
  26    substdio_putsflush(subfderr,"no IP addresses\n"); _exit(100);
  27   }
  28  dnsdoe(dns_ptr(&sa,&ia.ix[0].ip));
  29  substdio_putflush(subfdout,sa.s,sa.len);
  30  substdio_putsflush(subfdout,"\n");
  31  _exit(0);
  32 }