components/hostname.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <errno.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <unistd.h>
   6
   7 #include "../util.h"
   8
   9 const char *
  10 hostname(void)
  11 {
  12         if (gethostname(buf, sizeof(buf)) == -1) {
  13                 fprintf(stderr, "gethostbyname: %s\n", strerror(errno));
  14                 return NULL;
  15         }
  16
  17         return buf;
  18 }