From 3fa97af7ccc75264fb237f279f253eddf0ba4da1 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko
Date: Tue, 15 Apr 2014 11:43:29 +0200
Subject: ash,hush: set $HOSTNAME is bash compat. Closes 7028

function                                             old     new   delta
hush_main                                           1056    1128     +72
ash_main                                            1442    1487     +45

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/ash.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'shell/ash.c')

diff --git a/shell/ash.c b/shell/ash.c
index 7a097c8..cabeb40 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -41,6 +41,7 @@
 #include <setjmp.h>
 #include <fnmatch.h>
 #include <sys/times.h>
+#include <sys/utsname.h> /* for setting $HOSTNAME */
 
 #include "busybox.h" /* for applet_names */
 #include "unicode.h"
@@ -13018,6 +13019,11 @@ init(void)
 #if ENABLE_ASH_BASH_COMPAT
 		p = lookupvar("SHLVL");
 		setvar("SHLVL", utoa((p ? atoi(p) : 0) + 1), VEXPORT);
+		if (!lookupvar("HOSTNAME")) {
+			struct utsname uts;
+			uname(&uts);
+			setvar2("HOSTNAME", uts.nodename);
+		}
 #endif
 		p = lookupvar("PWD");
 		if (p) {
-- 
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