dnsip.c

#include "buffer.h"
#include "exit.h"
#include "strerr.h"
#include "ip4.h"
#include "dns.h"

#define FATAL "dnsip: fatal: "

static char seed[128];

static stralloc fqdn;
static stralloc out;
char str[IP4_FMT];

int main(int argc,char **argv)
{
  int i;

  dns_random_init(seed);

  if (*argv) ++argv;

  while (*argv) {
    if (!stralloc_copys(&fqdn,*argv))
      strerr_die2x(111,FATAL,"out of memory");
    if (dns_ip4(&out,&fqdn) == -1)
      strerr_die4sys(111,FATAL,"unable to find IP address for ",*argv,": ");

    for (i = 0;i + 4 <= out.len;i += 4) {
      buffer_put(buffer_1,str,ip4_fmt(str,out.s + i));
      buffer_puts(buffer_1," ");
    }
    buffer_puts(buffer_1,"\n");

    ++argv;
  }

  buffer_flush(buffer_1);
  _exit(0);
}