From: Ken Hornstein <kenh@pobox.com>
Date: Fri, 6 Dec 2013 02:59:22 +0000 (-0500)
Subject: Have getfqdn fall back to printing out the given hostname if the DNS lookup
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/9bf76480baac944b86a8ccb755570304a29fe09d?ds=sidebyside;hp=-c

Have getfqdn fall back to printing out the given hostname if the DNS lookup
fails, to replicate the behavior of LocalName().
---

9bf76480baac944b86a8ccb755570304a29fe09d
diff --git a/test/getfqdn.c b/test/getfqdn.c
index 23685da1..b081e50c 100644
--- a/test/getfqdn.c
+++ b/test/getfqdn.c
@@ -13,6 +13,7 @@
 #include <limits.h>  /* for _POSIX_HOST_NAME_MAX */
 #include <string.h>  /* for memset */
 #include <stdio.h>
+#include <sys/errno.h>
 
 
 int
@@ -44,7 +45,11 @@ main(int argc, char *argv[])
     if ((status = getaddrinfo(hostname, NULL, &hints, &res)) == 0) {
       printf ("%s\n", res->ai_canonname);
       freeaddrinfo(res);
+    } else {
+      printf("%s\n", hostname);
     }
+  } else {
+    fprintf(stderr, "gethostname() failed: %s\n", strerror(errno));
   }
 
   return status;