remove unused includes

[elogind.git] / src / core / hostname-setup.c

diff --git a/src/core/hostname-setup.c b/src/core/hostname-setup.c
index 8aa1cff1d30f23ad1a42826a487a7e8540a11beb..03b0ce3b4dad805d94b2cb7de2afd3c9bb549e89 100644 (file)
--- a/src/core/hostname-setup.c
+++ b/src/core/hostname-setup.c
@@ -19,10 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
-#include <string.h>
 #include <stdlib.h>
 
 #include "hostname-setup.h"
@@ -64,7 +62,7 @@ int hostname_setup(void) {
                 if (r == -ENOENT)
                         enoent = true;
                 else
-                        log_warning("Failed to read configured hostname: %s", strerror(-r));
+                        log_warning_errno(r, "Failed to read configured hostname: %m");
 
                 hn = NULL;
         } else
@@ -82,10 +80,8 @@ int hostname_setup(void) {
                 hn = "localhost";
         }
 
-        if (sethostname(hn, strlen(hn)) < 0) {
-                log_warning("Failed to set hostname to <%s>: %m", hn);
-                return -errno;
-        }
+        if (sethostname_idempotent(hn) < 0)
+                return log_warning_errno(errno, "Failed to set hostname to <%s>: %m", hn);
 
         log_info("Set hostname to <%s>.", hn);
         return 0;