Added enif_get_reverse_list to nif API

2 files changed, 20 insertions, 3 deletions

diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 91d695d979..813ed65f4b 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -35,7 +35,7 @@
 	 resource_takeover/1,
 	 threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1, 
 	 is_checks/1,
-	 get_length/1, make_atom/1, make_string/1]).
+	 get_length/1, make_atom/1, make_string/1, reverse_list_test/1]).
 
 -export([many_args_100/100]).
 
@@ -60,7 +60,7 @@ all() ->
      iolist_as_binary, resource, resource_binary,
      resource_takeover, threading, send, send2, send3,
      send_threaded, neg, is_checks, get_length, make_atom,
-     make_string].
+     make_string,reverse_list_test].
 
 groups() -> 
     [].
@@ -1164,6 +1164,13 @@ make_string(Config) when is_list(Config) ->
     AStringWithAccents = [$E,$r,$l,$a,$n,$g,$ ,16#e4,$r,$ ,$e,$t,$t,$ ,$g,$e,$n,$e,$r,$e,$l,$l,$t,$ ,$p,$r,$o,$g,$r,$a,$m,$s,$p,$r,16#e5,$k],
     ?line Strings = {A0String,A0String,A0String,A0String0, AStringWithAccents}.
 
+reverse_list_test(Config) ->
+    ?line ensure_lib_loaded(Config, 1),
+    List = lists:seq(1,100),
+    RevList = lists:reverse(List),
+    ?line RevList = reverse_list(List),
+    badarg = reverse_list(foo).
+
 tmpmem() ->
     case erlang:system_info({allocator,temp_alloc}) of
 	false -> undefined;
@@ -1269,6 +1276,7 @@ send_blob_thread(_,_,_) -> ?nif_stub.
 join_send_thread(_) -> ?nif_stub.
 copy_blob(_) -> ?nif_stub.
 send_term(_,_) -> ?nif_stub.
+reverse_list(_) -> ?nif_stub.
 
 nif_stub_error(Line) ->
     exit({nif_not_loaded,module,?MODULE,line,Line}).
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 0bb93daa33..87b4d4c4ed 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -1373,6 +1373,14 @@ static ERL_NIF_TERM send_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[
     return enif_make_int(env, ret);
 }
 
+static ERL_NIF_TERM reverse_list(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {
+    ERL_NIF_TERM rev_list;
+
+    if(!enif_get_reverse_list(env, argv[0], &rev_list))
+	return enif_make_atom(env, "badarg");
+    return rev_list;
+}
+
 static ErlNifFunc nif_funcs[] =
 {
     {"lib_version", 0, lib_version},
@@ -1417,7 +1425,8 @@ static ErlNifFunc nif_funcs[] =
     {"send_blob_thread", 3, send_blob_thread},
     {"join_send_thread", 1, join_send_thread},
     {"copy_blob", 1, copy_blob},
-    {"send_term", 2, send_term}
+    {"send_term", 2, send_term},
+    {"reverse_list",1, reverse_list}
 };
 
 ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload)