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-rw-r--r--erts/preloaded/src/prim_file.erl26
1 files changed, 26 insertions, 0 deletions
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl
index 0fc56c8c8e..d66f0e09cc 100644
--- a/erts/preloaded/src/prim_file.erl
+++ b/erts/preloaded/src/prim_file.erl
@@ -147,6 +147,32 @@
-define(POSIX_FADV_NOREUSE, 5).
+%%% BIFs
+
+-export([internal_name2native/1,
+ internal_native2name/1,
+ internal_normalize_utf8/1]).
+
+-type unicode_string() :: [unicode:unicode_char()].
+-type prim_file_name() :: unicode_string() | unicode:unicode_binary().
+
+-spec internal_name2native(prim_file_name()) -> binary().
+
+internal_name2native(_) ->
+ erlang:nif_error(undefined).
+
+-spec internal_native2name(binary()) -> prim_file_name().
+
+internal_native2name(_) ->
+ erlang:nif_error(undefined).
+
+-spec internal_normalize_utf8(unicode:unicode_binary()) -> unicode_string().
+
+internal_normalize_utf8(_) ->
+ erlang:nif_error(undefined).
+
+%%% End of BIFs
+
%%%-----------------------------------------------------------------
%%% Functions operating on a file through a handle. ?FD_DRV.
%%%