From c8454e918047a5de57dcdaeb3ffe94e43bb9bb9b Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Wed, 25 Nov 2015 20:43:29 +0100
Subject: util.pposix: Expose the uname GNU extension field 'domainname'

---
 util-src/pposix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util-src/pposix.c b/util-src/pposix.c
index 02ea0087..1b69852d 100644
--- a/util-src/pposix.c
+++ b/util-src/pposix.c
@@ -642,6 +642,10 @@ int lc_uname(lua_State* L) {
 	lua_setfield(L, -2, "version");
 	lua_pushstring(L, uname_info.machine);
 	lua_setfield(L, -2, "machine");
+#ifdef _GNU_SOURCE
+	lua_pushstring(L, uname_info.domainname);
+	lua_setfield(L, -2, "domainname");
+#endif
 	return 1;
 }
 
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