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author | Björn Gustavsson <bjorn@erlang.org> | 2013-02-05 09:13:41 +0100 |
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committer | Björn Gustavsson <bjorn@erlang.org> | 2013-02-11 14:08:46 +0100 |
commit | b00651f9701f6d352b270af3700abce0e65aa5b6 (patch) | |
tree | 3c4eae19b479d024ec0c6624b7356b06a4a93ef1 /erts/preloaded/src/prim_file.erl | |
parent | 0aed93263414750a63d65908599ca2e73943b0a7 (diff) | |
download | otp-b00651f9701f6d352b270af3700abce0e65aa5b6.tar.gz otp-b00651f9701f6d352b270af3700abce0e65aa5b6.tar.bz2 otp-b00651f9701f6d352b270af3700abce0e65aa5b6.zip |
prim_file: Always open non-file ports in binary mode
Ports for operations that did not directly operate on a file (such
as listing the files in a directory) was always opened in a binary
mode, but there was still code that supported such port opened in
non-binary mode.
Since we are about to update the code reading directories, and we
don't want to bother we supporting non-binary ports, make sure that
we force the use of binary mode.
Diffstat (limited to 'erts/preloaded/src/prim_file.erl')
-rw-r--r-- | erts/preloaded/src/prim_file.erl | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl index 50adf9c89d..71ec97eb89 100644 --- a/erts/preloaded/src/prim_file.erl +++ b/erts/preloaded/src/prim_file.erl @@ -210,12 +210,7 @@ open(_, _) -> %% Opens a port that can be used for open/3 or read_file/2. %% Returns {ok, Port} | {error, Reason}. open(Portopts) when is_list(Portopts) -> - case drv_open(?FD_DRV, Portopts) of - {error, _} = Error -> - Error; - Other -> - Other - end; + drv_open(?FD_DRV, [binary|Portopts]); open(_) -> {error, badarg}. @@ -607,13 +602,7 @@ sendfile(#file_descriptor{module = ?MODULE, data = {Port, _}}, %% Returns {ok, Port}, the Port should be used as first argument in all %% the following functions. Returns {error, Reason} upon failure. start() -> - try erlang:open_port({spawn, ?DRV}, [binary]) of - Port -> - {ok, Port} - catch - error:Reason -> - {error, Reason} - end. + drv_open(?DRV, [binary]). stop(Port) when is_port(Port) -> try erlang:port_close(Port) of @@ -923,7 +912,7 @@ list_dir_int(Port, Dir) -> %% Returns {ok, Port} when successful. drv_open(Driver, Portopts) -> - try erlang:open_port({spawn, Driver}, Portopts) of + try erlang:open_port({spawn_driver, Driver}, Portopts) of Port -> {ok, Port} catch @@ -1205,18 +1194,12 @@ translate_response(?FILE_RESP_N2DATA = X, L0) when is_list(L0) -> end; translate_response(?FILE_RESP_EOF, []) -> eof; -translate_response(?FILE_RESP_FNAME, []) -> - ok; translate_response(?FILE_RESP_FNAME, Data) when is_binary(Data) -> {ok, prim_file:internal_native2name(Data)}; -translate_response(?FILE_RESP_FNAME, Data) -> - {ok, Data}; translate_response(?FILE_RESP_LFNAME, []) -> ok; translate_response(?FILE_RESP_LFNAME, Data) when is_binary(Data) -> {append, transform_lfname(Data)}; -translate_response(?FILE_RESP_LFNAME, Data) -> - {append, transform_lfname(Data)}; translate_response(?FILE_RESP_ALL_DATA, Data) -> {ok, Data}; translate_response(X, Data) -> @@ -1332,15 +1315,8 @@ transform_ldata(0, List, [Size | Sizes], R) -> {Front, Rear} = lists_split(List, Size), transform_ldata(0, Rear, Sizes, [Front | R]). -transform_lfname(<<>>) -> []; -transform_lfname(<<L:16, Name:L/binary, Names/binary>>) -> - [ prim_file:internal_native2name(Name) | transform_lfname(Names)]; -transform_lfname([]) -> []; -transform_lfname([L1,L2|Names]) -> - L = (L1 bsl 8) bor L2, - {Name, Rest} = lists_split(Names, L), - [Name | transform_lfname(Rest)]. - +transform_lfname(Names) -> + [prim_file:internal_native2name(Name) || <<L:16,Name:L/binary>> <= Names]. lists_split(List, 0) when is_list(List) -> {[], List}; |