(init_system_name): Don't try to use getdomainname.

diff --git a/src/sysdep.c b/src/sysdep.c
index 9a73b1c..30a540c 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -2283,7 +2283,11 @@ init_system_name ()
        }
     }
 #endif /* HAVE_SOCKETS */
-#if (HAVE_SYSINFO && defined (SI_SRPC_DOMAIN)) || HAVE_GETDOMAINNAME
+  /* We used to try using getdomainname as an alternative
+     to sysinfo, here, but NIIBE Yutaka <gniibe@etl.go.jp> says that
+     getdomainname gets the NIS/YP domain which often is not the same
+     as in Internet domain name.  */
+#if (HAVE_SYSINFO && defined (SI_SRPC_DOMAIN))
   if (! index (hostname, '.'))
     {
       /* The hostname is not fully qualified.  Append the domain name.  */
@@ -2295,7 +2299,6 @@ init_system_name ()
        {
          char *domain = (char *) alloca (domain_size + 1);
          char *fqdn = (char *) alloca (hostlen + 1 + domain_size + 1);
-#if HAVE_SYSINFO && defined (SI_SRPC_DOMAIN)
          int sys_domain_size = sysinfo (SI_SRPC_DOMAIN, domain, domain_size);
          if (sys_domain_size <= 0)
            break;
@@ -2304,23 +2307,6 @@ init_system_name ()
              domain_size = sys_domain_size;
              continue;
            }
-#else /* HAVE_GETDOMAINNAME */
-         if (getdomainname (domain, domain_size - 1) != 0 || ! *domain)
-           break;
-         domain[domain_size - 1] = '\0';
-         if (strlen (domain) == domain_size - 1)
-           {
-             domain_size *= 2;
-             continue;
-           }
-         /* If we get an answer which means "domain unknown",
-            don't use a domain.  */
-         if (!strcmp (domain, "(none)"))
-           {
-             *domain = 0;
-             break;
-           }
-#endif /* HAVE_GETDOMAINNAME */
          strcpy (fqdn, hostname);
          if (domain[0] == '.')
            strcpy (fqdn + hostlen, domain);
@@ -2333,7 +2319,7 @@ init_system_name ()
          break;
        }
     }
-#endif /*! ((HAVE_SYSINFO && defined (SI_SRPC_DOMAIN)) || HAVE_GETDOMAINNAME)*/
+#endif /* HAVE_SYSINFO && defined (SI_SRPC_DOMAIN) */
   Vsystem_name = build_string (hostname);
 #endif /* HAVE_GETHOSTNAME */
 #endif /* VMS */