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authorBjörn Gustavsson <[email protected]>2013-02-05 12:24:12 +0100
committerBjörn Gustavsson <[email protected]>2013-02-11 14:09:27 +0100
commit066c26ec53012ccea106a4f27b85ddbdb58bb2bc (patch)
treeb5917b3720c80e0a9c58af4f1e6b02201edaa0e3 /erts
parent43093a22099f6b0ec33970163a40f42a6b70b978 (diff)
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prim_file: Refactor functions that return filenames
Diffstat (limited to 'erts')
-rw-r--r--erts/preloaded/src/prim_file.erl21
1 files changed, 15 insertions, 6 deletions
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl
index e1d42a4b9a..af1a6127c9 100644
--- a/erts/preloaded/src/prim_file.erl
+++ b/erts/preloaded/src/prim_file.erl
@@ -656,7 +656,8 @@ get_cwd_int(Drive) ->
get_cwd_int({?DRV, [binary]}, Drive).
get_cwd_int(Port, Drive) ->
- drv_command(Port, <<?FILE_PWD, Drive>>).
+ drv_command(Port, <<?FILE_PWD, Drive>>,
+ fun handle_fname_response/1).
@@ -764,7 +765,8 @@ altname(Port, File) when is_port(Port) ->
altname_int(Port, File).
altname_int(Port, File) ->
- drv_command(Port, [?FILE_ALTNAME, pathname(File)]).
+ drv_command(Port, [?FILE_ALTNAME, pathname(File)],
+ fun handle_fname_response/1).
%% write_file_info/{2,3,4}
@@ -857,7 +859,8 @@ read_link(Port, Link) when is_port(Port) ->
read_link_int(Port, Link).
read_link_int(Port, Link) ->
- drv_command(Port, [?FILE_READLINK, pathname(Link)]).
+ drv_command(Port, [?FILE_READLINK, pathname(Link)],
+ fun handle_fname_response/1).
@@ -927,7 +930,13 @@ list_dir_convert([]) -> [].
%%%-----------------------------------------------------------------
%%% Functions to communicate with the driver
-
+handle_fname_response(Port) ->
+ case drv_get_response(Port) of
+ {fname, Name} ->
+ {ok, prim_file:internal_native2name(Name)};
+ Error ->
+ Error
+ end.
%% Opens a driver port and converts any problems into {error, emfile}.
%% Returns {ok, Port} when successful.
@@ -1202,8 +1211,8 @@ translate_response(?FILE_RESP_N2DATA = X, L0) when is_list(L0) ->
end;
translate_response(?FILE_RESP_EOF, []) ->
eof;
-translate_response(?FILE_RESP_FNAME, Data) when is_binary(Data) ->
- {ok, prim_file:internal_native2name(Data)};
+translate_response(?FILE_RESP_FNAME, Data) ->
+ {fname, Data};
translate_response(?FILE_RESP_LFNAME, Data) ->
{lfname, Data};
translate_response(?FILE_RESP_ALL_DATA, Data) ->