lib/ip/domainname.c

   1 /*
   2 domainname.c
   3 */
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <net/netlib.h>
   9
  10 int getdomainname(domain, size)
  11 char *domain;
  12 size_t size;
  13 {
  14         FILE *domainfile;
  15         char *line;
  16
  17         domainfile= fopen("/etc/domainname", "r");
  18         if (!domainfile)
  19         {
  20                 return -1;
  21         }
  22
  23         line= fgets(domain, size, domainfile);
  24         fclose(domainfile);
  25         if (!line)
  26                 return -1;
  27         line= strchr(domain, '\n');
  28         if (line)
  29                 *line= '\0';
  30         return 0;
  31 }