Add warn() and die()

[slstatus.git] / components / hostname.c

diff --git a/components/hostname.c b/components/hostname.c
index 45dbb5b..dc3bbf1 100644 (file)
--- a/components/hostname.c
+++ b/components/hostname.c
@@ -1,5 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

+#include <errno.h>

 #include <stdio.h>
 #include <stdio.h>

+#include <string.h>

 #include <unistd.h>
 
 #include "../util.h"
 #include <unistd.h>
 
 #include "../util.h"


@@ -7,8 +9,8 @@
 const char *
 hostname(void)
 {
 const char *
 hostname(void)
 {

-       if (gethostname(buf, sizeof(buf)) == -1) {
-               fprintf(stderr, "gethostbyname failed");
+       if (gethostname(buf, sizeof(buf)) < 0) {
+               warn("gethostbyname:");

                return NULL;
        }
 
                return NULL;
        }