Add lunatik_getenv function

Author: MatheusNtg

lunatik.h

@@ -23,6 +23,7 @@
 #include "lua/lua.h"
 #include "lunatik_conf.h"
 #include "netlink.h"
+#include "luautil.h"
 
 struct lunatik_instance {
 	struct hlist_head states_table[LUNATIK_HASH_BUCKETS];
@@ -59,4 +60,6 @@ lunatik_State *lunatik_netnewstate(const char *name, size_t maxalloc, struct net
 int lunatik_netclosestate(const char *name, struct net *net);
 lunatik_State *lunatik_netstatelookup(const char *name, struct net *net);
 
+lunatik_State *lunatik_getenv(lua_State *L);
+
 #endif /* LUNATIK_STATES_H */

lunatik_core.c

@@ -182,6 +182,8 @@ EXPORT_SYMBOL(lunatik_netnewstate);
 EXPORT_SYMBOL(lunatik_netclosestate);
 EXPORT_SYMBOL(lunatik_netstatelookup);
 
+EXPORT_SYMBOL(lunatik_getenv);
+
 extern struct genl_family lunatik_family;
 extern void lunatik_statesinit(void);
 extern void lunatik_closeall_from_default_ns(void);

netlink.h

@@ -41,4 +41,4 @@ struct lunatik_data {
     size_t size;
 };
 
-#endif
+#endif /* NETLINK_H */

netlink_common.h

@@ -4,7 +4,7 @@
 #ifdef _KERNEL
 extern struct genl_family lunatik_family;
 #include <net/genetlink.h>
-#endif
+#endif /* _KERNEL */
 
 #define LUNATIK_FRAGMENT_SIZE (3000) // TODO Find, a size more precise
 #define DELIMITER 3 //How many delimiters will be necessary in each part of the message

states.c

@@ -265,3 +265,8 @@ int lunatik_netclosestate(const char *name, struct net *net)
 
 	return 0;
 }
+
+lunatik_State *lunatik_getenv(lua_State *L)
+{
+	return luaU_getenv(L, lunatik_State);
+}