From 79807255feef41b15e91f5c0e82124f83c582517 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Fri, 18 Mar 2016 10:36:22 +1300
Subject: Add hostname(1) implementation

---
 .gitignore |  1 +
 Makefile   |  7 +++++--
 hostname.c | 13 +++++++++++++
 hostname.h |  9 +++++++++
 4 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 hostname.c
 create mode 100644 hostname.h

diff --git a/.gitignore b/.gitignore
index a3a035a..1e2eb3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+hostname
 ls
 pwd
 sort
diff --git a/Makefile b/Makefile
index a93df43..cdb151a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,10 @@
 CC = clang
 CFLAGS = -std=c90 -Weverything
 
-all : ls pwd sort whoami
+all : hostname ls pwd sort whoami
+
+hostname : hostname.c hostname.h
+	$(CC) $(CFLAGS) hostname.c -o hostname
 
 ls : ls.c ls.h
 	$(CC) $(CFLAGS) ls.c -o ls
@@ -19,5 +22,5 @@ whoami : whoami.c whoami.h
 
 clean :
 	rm -f -- *.o
-	rm -f ls pwd sort whoami
+	rm -f hostname ls pwd sort whoami
 
diff --git a/hostname.c b/hostname.c
new file mode 100644
index 0000000..532fc16
--- /dev/null
+++ b/hostname.c
@@ -0,0 +1,13 @@
+#include "hostname.h"
+
+int main(void) {
+    struct utsname *name;
+    name = malloc(sizeof(struct utsname));
+    if (uname(name) == -1) {
+        perror("uname");
+        exit(EXIT_FAILURE);
+    }
+    fprintf(stdout, "%s\n", name->nodename);
+    exit(EXIT_SUCCESS);
+}
+
diff --git a/hostname.h b/hostname.h
new file mode 100644
index 0000000..4eb0b32
--- /dev/null
+++ b/hostname.h
@@ -0,0 +1,9 @@
+#ifndef __HOSTNAME_H
+#define __HOSTNAME_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/utsname.h>
+
+#endif
+
-- 
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