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>

1 files changed, 6 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 7a097c814..cabeb40c5 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) {