diff options
Diffstat (limited to 'lib/kernel/src/file.erl')
| -rw-r--r-- | lib/kernel/src/file.erl | 51 |
1 files changed, 31 insertions, 20 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 6d94f7770f..933f2d5f65 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2016. All Rights Reserved. +%% Copyright Ericsson AB 1996-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -397,25 +397,36 @@ write_file(Name, Bin) -> Modes :: [mode()], Reason :: posix() | badarg | terminated | system_limit. -write_file(Name, Bin, ModeList) when is_list(ModeList) -> - case make_binary(Bin) of - B when is_binary(B) -> - case open(Name, [binary, write | - lists:delete(binary, - lists:delete(write, ModeList))]) of - {ok, Handle} -> - case write(Handle, B) of - ok -> - close(Handle); - E1 -> - _ = close(Handle), - E1 - end; - E2 -> - E2 - end; - E3 -> - E3 +write_file(Name, IOData, ModeList) when is_list(ModeList) -> + case lists:member(raw, ModeList) of + true -> + %% For backwards compatibility of error messages + try iolist_size(IOData) of + _Size -> do_write_file(Name, IOData, ModeList) + catch + error:Error -> {error, Error} + end; + false -> + case make_binary(IOData) of + Bin when is_binary(Bin) -> + do_write_file(Name, Bin, ModeList); + Error -> + Error + end + end. + +do_write_file(Name, IOData, ModeList) -> + case open(Name, [binary, write | ModeList]) of + {ok, Handle} -> + case write(Handle, IOData) of + ok -> + close(Handle); + E1 -> + _ = close(Handle), + E1 + end; + E2 -> + E2 end. %% Obsolete, undocumented, local node only, don't use!. |