diff options
Diffstat (limited to 'lib/kernel/test/file_SUITE.erl')
-rw-r--r-- | lib/kernel/test/file_SUITE.erl | 302 |
1 files changed, 262 insertions, 40 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index 119e1f24bb..a51025cba6 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -39,6 +39,8 @@ -define(FILE_FIN_PER_TESTCASE(Config), Config). -endif. +-define(PRIM_FILE, prim_file). + -module(?FILE_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, @@ -54,7 +56,8 @@ open1/1, old_modes/1, new_modes/1, path_open/1, open_errors/1]). -export([ file_info_basic_file/1, file_info_basic_directory/1, - file_info_bad/1, file_info_times/1, file_write_file_info/1]). + file_info_bad/1, file_info_times/1, file_write_file_info/1, + file_wfi_helpers/1]). -export([rename/1, access/1, truncate/1, datasync/1, sync/1, read_write/1, pread_write/1, append/1, exclusive/1]). -export([ e_delete/1, e_rename/1, e_make_dir/1, e_del_dir/1]). @@ -97,6 +100,12 @@ -export([unicode_mode/1]). +-export([volume_relative_paths/1,unc_paths/1]). + +-export([tiny_writes/1, tiny_writes_delayed/1, + large_writes/1, large_writes_delayed/1, + tiny_reads/1, tiny_reads_ahead/1]). + %% Debug exports -export([create_file_slow/2, create_file/2, create_bin/2]). -export([verify_file/2, verify_bin/3]). @@ -107,6 +116,8 @@ -export([disc_free/1, memsize/0]). -include_lib("common_test/include/ct.hrl"). +-include_lib("common_test/include/ct_event.hrl"). + -include_lib("kernel/include/file.hrl"). -define(THROW_ERROR(RES), throw({fail, ?LINE, RES})). @@ -118,13 +129,13 @@ suite() -> all() -> [unicode, altname, read_write_file, {group, dirs}, - {group, files}, delete, rename, names, {group, errors}, - {group, compression}, {group, links}, copy, + {group, files}, delete, rename, names, volume_relative_paths, unc_paths, + {group, errors}, {group, compression}, {group, links}, copy, delayed_write, read_ahead, segment_read, segment_write, ipread, pid2name, interleaved_read_write, otp_5814, otp_10852, large_file, large_write, read_line_1, read_line_2, read_line_3, read_line_4, standard_io, old_io_protocol, - unicode_mode + unicode_mode, {group, bench} ]. groups() -> @@ -142,7 +153,8 @@ groups() -> {pos, [], [pos1, pos2, pos3]}, {file_info, [], [file_info_basic_file, file_info_basic_directory, - file_info_bad, file_info_times, file_write_file_info]}, + file_info_bad, file_info_times, file_write_file_info, + file_wfi_helpers]}, {consult, [], [consult1, path_consult]}, {eval, [], [eval1, path_eval]}, {script, [], [script1, path_script]}, @@ -154,11 +166,19 @@ groups() -> write_compressed, compress_errors, catenated_gzips, compress_async_crash]}, {links, [], - [make_link, read_link_info_for_non_link, symlinks]}]. + [make_link, read_link_info_for_non_link, symlinks]}, + {bench, [], + [tiny_writes, tiny_writes_delayed, + large_writes, large_writes_delayed, + tiny_reads, tiny_reads_ahead]}]. init_per_group(_GroupName, Config) -> Config. +end_per_group(bench, Config) -> + ScratchDir = proplists:get_value(priv_dir, Config), + file:delete(filename:join(ScratchDir, "benchmark_scratch_file")), + Config; end_per_group(_GroupName, Config) -> Config. @@ -381,11 +401,11 @@ read_write_0(Str, {Func, ReadFun}, Options) -> io:format("~p:~p: ~p ERROR: ~ts vs~n ~w~n - ~p~n", [?MODULE, Line, Func, Str, ReadBytes, Options]), exit({error, ?LINE}); - error:What -> + error:What:Stacktrace -> io:format("~p:??: ~p ERROR: ~p from~n ~w~n ~p~n", [?MODULE, Func, What, Str, Options]), - io:format("\t~p~n", [erlang:get_stacktrace()]), + io:format("\t~p~n", [Stacktrace]), exit({error, ?LINE}) end. @@ -473,7 +493,7 @@ um_check_unicode(_Utf8Bin, {ok, _ListOrBin}, _, _UTF8_) -> um_filename(Bin, Dir, Options) when is_binary(Bin) -> um_filename(binary_to_list(Bin), Dir, Options); um_filename(Str = [_|_], Dir, Options) -> - Name = hd(string:tokens(Str, ":")), + Name = hd(string:lexemes(Str, ":")), Enc = atom_to_list(proplists:get_value(encoding, Options, latin1)), File = case lists:member(binary, Options) of true -> @@ -638,6 +658,10 @@ cur_dir_0(Config) when is_list(Config) -> {ok,NewDirFiles} = ?FILE_MODULE:list_dir("."), true = lists:member(UncommonName,NewDirFiles), + %% Ensure that we get the same result with a trailing slash; the + %% APIs used on Windows will choke on them if passed directly. + {ok,NewDirFiles} = ?FILE_MODULE:list_dir("./"), + %% Delete the directory and return to the old current directory %% and check that the created file isn't there (too!) expect({error, einval}, {error, eacces}, @@ -690,10 +714,15 @@ win_cur_dir_1(_Config) -> %% Get the drive letter from the current directory, %% and try to get current directory for that drive. - [Drive,$:|_] = BaseDir, - {ok,BaseDir} = ?FILE_MODULE:get_cwd([Drive,$:]), + [CurDrive,$:|_] = BaseDir, + {ok,BaseDir} = ?FILE_MODULE:get_cwd([CurDrive,$:]), io:format("BaseDir = ~s\n", [BaseDir]), + %% We should error out on non-existent drives. Any reasonable system will + %% have at least one. + CurDirs = [?FILE_MODULE:get_cwd([Drive,$:]) || Drive <- lists:seq($A, $Z)], + lists:member({error,eaccess}, CurDirs), + %% Unfortunately, there is no way to move away from the %% current drive as we can't use the "subst" command from %% a SSH connection. We can't test any more. @@ -831,7 +860,7 @@ no_untranslatable_names() -> end. start_node(Name, Args) -> - [_,Host] = string:tokens(atom_to_list(node()), "@"), + [_,Host] = string:lexemes(atom_to_list(node()), "@"), ct:log("Trying to start ~w@~s~n", [Name,Host]), case test_server:start_node(Name, peer, [{args,Args}]) of {error,Reason} -> @@ -1019,6 +1048,23 @@ close(Config) when is_list(Config) -> Val = ?FILE_MODULE:close(Fd1), io:format("Second close gave: ~p",[Val]), + %% All operations on a closed raw file should EINVAL, even if they're not + %% supported on the current platform. + {ok,Fd2} = ?FILE_MODULE:open(Name, [read, write, raw]), + ok = ?FILE_MODULE:close(Fd2), + + {error, einval} = ?FILE_MODULE:advise(Fd2, 5, 5, normal), + {error, einval} = ?FILE_MODULE:allocate(Fd2, 5, 5), + {error, einval} = ?FILE_MODULE:close(Fd2), + {error, einval} = ?FILE_MODULE:datasync(Fd2), + {error, einval} = ?FILE_MODULE:position(Fd2, 5), + {error, einval} = ?FILE_MODULE:pread(Fd2, 5, 1), + {error, einval} = ?FILE_MODULE:pwrite(Fd2, 5, "einval please"), + {error, einval} = ?FILE_MODULE:read(Fd2, 1), + {error, einval} = ?FILE_MODULE:sync(Fd2), + {error, einval} = ?FILE_MODULE:truncate(Fd2), + {error, einval} = ?FILE_MODULE:write(Fd2, "einval please"), + [] = flush(), ok. @@ -1132,8 +1178,8 @@ pread_write_test(File, Data) -> end, I = Size + 17, ok = ?FILE_MODULE:pwrite(File, 0, Data), - Res = ?FILE_MODULE:pread(File, 0, I), - {ok, Data} = Res, + {ok, Data} = ?FILE_MODULE:pread(File, 0, I), + {ok, [Data]} = ?FILE_MODULE:pread(File, [{0, I}]), eof = ?FILE_MODULE:pread(File, I, 1), ok = ?FILE_MODULE:pwrite(File, [{0, Data}, {I, Data}]), {ok, [Data, eof, Data]} = @@ -1321,6 +1367,10 @@ file_info_basic_file(Config) when is_list(Config) -> io:put_chars(Fd1, "foo bar"), ok = ?FILE_MODULE:close(Fd1), + %% Don't crash the file server when passing incorrect arguments. + {error,badarg} = ?FILE_MODULE:read_file_info(Name, [{time, gurka}]), + {error,badarg} = ?FILE_MODULE:read_file_info([#{} | gaffel]), + %% Test that the file has the expected attributes. %% The times are tricky, so we will save them to a separate test case. {ok,FileInfo} = ?FILE_MODULE:read_file_info(Name), @@ -1564,6 +1614,39 @@ file_write_file_info(Config) when is_list(Config) -> [] = flush(), ok. +file_wfi_helpers(Config) when is_list(Config) -> + RootDir = get_good_directory(Config), + io:format("RootDir = ~p", [RootDir]), + + Name = filename:join(RootDir, + atom_to_list(?MODULE) ++ "_wfi_helpers"), + + ok = ?FILE_MODULE:write_file(Name, "hello again"), + NewTime = {{1997, 02, 15}, {13, 18, 20}}, + ok = ?FILE_MODULE:change_time(Name, NewTime, NewTime), + + {ok, #file_info{atime=NewActAtime, mtime=NewTime}} = + ?FILE_MODULE:read_file_info(Name), + + NewFilteredAtime = filter_atime(NewTime, Config), + NewFilteredAtime = filter_atime(NewActAtime, Config), + + %% Make the file unwritable + ok = ?FILE_MODULE:change_mode(Name, 8#400), + {error, eacces} = ?FILE_MODULE:write_file(Name, "hello again"), + + %% ... and writable again + ok = ?FILE_MODULE:change_mode(Name, 8#600), + ok = ?FILE_MODULE:write_file(Name, "hello again"), + + %% We have no idea which users will work, so all we can do is to check + %% that it returns enoent instead of crashing. + {error, enoent} = ?FILE_MODULE:change_group("bogus file name", 0), + {error, enoent} = ?FILE_MODULE:change_owner("bogus file name", 0), + + [] = flush(), + ok. + %% Returns a directory on a file system that has correct file times. get_good_directory(Config) -> @@ -2044,13 +2127,22 @@ names(Config) when is_list(Config) -> ok = ?FILE_MODULE:close(Fd2), {ok,Fd3} = ?FILE_MODULE:open(Name3,read), ok = ?FILE_MODULE:close(Fd3), + + %% Now try the same on raw files. + {ok,Fd4} = ?FILE_MODULE:open(Name2, [read, raw]), + ok = ?FILE_MODULE:close(Fd4), + {ok,Fd4f} = ?FILE_MODULE:open(lists:flatten(Name2), [read, raw]), + ok = ?FILE_MODULE:close(Fd4f), + {ok,Fd5} = ?FILE_MODULE:open(Name3, [read, raw]), + ok = ?FILE_MODULE:close(Fd5), + case length(Name1) > 255 of true -> io:format("Path too long for an atom:\n\n~p\n", [Name1]); false -> Name4 = list_to_atom(Name1), - {ok,Fd4} = ?FILE_MODULE:open(Name4,read), - ok = ?FILE_MODULE:close(Fd4) + {ok,Fd6} = ?FILE_MODULE:open(Name4,read), + ok = ?FILE_MODULE:close(Fd6) end, %% Try some path names @@ -2074,6 +2166,46 @@ names(Config) when is_list(Config) -> [] = flush(), ok. +volume_relative_paths(Config) when is_list(Config) -> + case os:type() of + {win32, _} -> + {ok, [Drive, $: | _]} = file:get_cwd(), + %% Relative to current device root. + {ok, RootInfo} = file:read_file_info([Drive, $:, $/]), + {ok, RootInfo} = file:read_file_info("/"), + %% Relative to current device directory. + {ok, DirContents} = file:list_dir([Drive, $:]), + {ok, DirContents} = file:list_dir("."), + [] = flush(), + ok; + _ -> + {skip, "This test is Windows-specific."} + end. + +unc_paths(Config) when is_list(Config) -> + case os:type() of + {win32, _} -> + %% We assume administrative shares are set up and reachable, and we + %% settle for testing presence as some of the returned data is + %% different. + {ok, _} = file:read_file_info("C:\\Windows\\explorer.exe"), + {ok, _} = file:read_file_info("\\\\localhost\\c$\\Windows\\explorer.exe"), + + {ok, Cwd} = file:get_cwd(), + + try + ok = file:set_cwd("\\\\localhost\\c$\\Windows\\"), + {ok, _} = file:read_file_info("explorer.exe") + after + file:set_cwd(Cwd) + end, + + [] = flush(), + ok; + _ -> + {skip, "This test is Windows-specific."} + end. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -2102,13 +2234,14 @@ e_delete(Config) when is_list(Config) -> case os:type() of {win32, _} -> %% Remove a character device. - {error, eacces} = ?FILE_MODULE:delete("nul"); + expect({error, eacces}, {error, einval}, + ?FILE_MODULE:delete("nul")); _ -> ?FILE_MODULE:write_file_info( Base, #file_info {mode=0}), {error, eacces} = ?FILE_MODULE:delete(Afile), ?FILE_MODULE:write_file_info( - Base, #file_info {mode=8#600}) + Base, #file_info {mode=8#700}) end, [] = flush(), @@ -2239,7 +2372,7 @@ e_make_dir(Config) when is_list(Config) -> ?FILE_MODULE:write_file_info(Base, #file_info {mode=0}), {error, eacces} = ?FILE_MODULE:make_dir(filename:join(Base, "xxxx")), ?FILE_MODULE:write_file_info( - Base, #file_info {mode=8#600}) + Base, #file_info {mode=8#700}) end, ok. @@ -2285,7 +2418,7 @@ e_del_dir(Config) when is_list(Config) -> ok = ?FILE_MODULE:make_dir(ADirectory), ?FILE_MODULE:write_file_info( Base, #file_info {mode=0}), {error, eacces} = ?FILE_MODULE:del_dir(ADirectory), - ?FILE_MODULE:write_file_info( Base, #file_info {mode=8#600}) + ?FILE_MODULE:write_file_info( Base, #file_info {mode=8#700}) end, [] = flush(), ok. @@ -2641,8 +2774,8 @@ altname(Config) when is_list(Config) -> {skipped, "Altname not supported on this platform"}; {ok, "LONGAL~1"} -> {ok, "A_FILE~1"} = ?FILE_MODULE:altname(Name), - {ok, "C:/"} = ?FILE_MODULE:altname("C:/"), - {ok, "C:\\"} = ?FILE_MODULE:altname("C:\\"), + {ok, "c:/"} = ?FILE_MODULE:altname("C:/"), + {ok, "c:/"} = ?FILE_MODULE:altname("C:\\"), {error,enoent} = ?FILE_MODULE:altname(NonexName), {ok, "short"} = ?FILE_MODULE:altname(ShortName), ok @@ -2923,20 +3056,22 @@ delayed_write(Config) when is_list(Config) -> %% %% Test caching and normal close of non-raw file {ok, Fd1} = - ?FILE_MODULE:open(File, [write, {delayed_write, Size+1, 2000}]), + ?FILE_MODULE:open(File, [write, {delayed_write, Size+1, 400}]), ok = ?FILE_MODULE:write(Fd1, Data1), - timer:sleep(1000), % Just in case the file system is slow + %% Wait for a reasonable amount of time to check whether the write was + %% practically instantaneous or actually delayed. + timer:sleep(100), {ok, Fd2} = ?FILE_MODULE:open(File, [read]), eof = ?FILE_MODULE:read(Fd2, 1), ok = ?FILE_MODULE:write(Fd1, Data1), % Data flush on size - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), {ok, Data1Data1} = ?FILE_MODULE:pread(Fd2, bof, 2*Size+1), ok = ?FILE_MODULE:write(Fd1, Data1), - timer:sleep(3000), % Wait until data flush on timeout + timer:sleep(500), % Wait until data flush on timeout {ok, Data1Data1Data1} = ?FILE_MODULE:pread(Fd2, bof, 3*Size+1), ok = ?FILE_MODULE:write(Fd1, Data1), ok = ?FILE_MODULE:close(Fd1), % Data flush on close - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), {ok, Data1Data1Data1Data1} = ?FILE_MODULE:pread(Fd2, bof, 4*Size+1), ok = ?FILE_MODULE:close(Fd2), %% @@ -2970,7 +3105,7 @@ delayed_write(Config) when is_list(Config) -> {'DOWN', Mref1, _, _, _} = Down1a -> ct:fail(Down1a) end, - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), % Just in case the file system is slow {ok, Fd3} = ?FILE_MODULE:open(File, [read]), eof = ?FILE_MODULE:read(Fd3, 1), Child1 ! {Parent, continue, normal}, @@ -2980,7 +3115,7 @@ delayed_write(Config) when is_list(Config) -> {'DOWN', Mref1, _, _, _} = Down1b -> ct:fail(Down1b) end, - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), % Just in case the file system is slow {ok, Data1} = ?FILE_MODULE:pread(Fd3, bof, Size+1), ok = ?FILE_MODULE:close(Fd3), %% @@ -2993,7 +3128,7 @@ delayed_write(Config) when is_list(Config) -> {'DOWN', Mref2, _, _, _} = Down2a -> ct:fail(Down2a) end, - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), % Just in case the file system is slow {ok, Fd4} = ?FILE_MODULE:open(File, [read]), eof = ?FILE_MODULE:read(Fd4, 1), Child2 ! {Parent, continue, kill}, @@ -3003,7 +3138,7 @@ delayed_write(Config) when is_list(Config) -> {'DOWN', Mref2, _, _, _} = Down2b -> ct:fail(Down2b) end, - timer:sleep(1000), % Just in case the file system is slow + timer:sleep(100), % Just in case the file system is slow eof = ?FILE_MODULE:pread(Fd4, bof, 1), ok = ?FILE_MODULE:close(Fd4), %% @@ -3095,6 +3230,16 @@ read_ahead(Config) when is_list(Config) -> Data1Data2Data3 = Data1++Data2++Data3, {ok, Data1Data2Data3} = ?FILE_MODULE:read(Fd5, 3*Size+1), ok = ?FILE_MODULE:close(Fd5), + + %% Ensure that a read that draws from both the buffer and the file won't + %% return anything wonky. + SplitData = << <<(I rem 256)>> || I <- lists:seq(1, 1024) >>, + file:write_file(File, SplitData), + {ok, Fd6} = ?FILE_MODULE:open(File, [raw, read, binary, {read_ahead, 256}]), + {ok, <<1>>} = file:read(Fd6, 1), + <<1, Shifted:512/binary, _Rest/binary>> = SplitData, + {ok, Shifted} = file:read(Fd6, 512), + %% [] = flush(), ok. @@ -3699,6 +3844,83 @@ do_large_write(Name) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Benchmarks +%% +%% Note that we only measure the time it takes to run the isolated file +%% operations and that the actual test runtime can differ significantly, +%% especially on the write side as the files need to be truncated before +%% writing. + +large_writes(Config) when is_list(Config) -> + Modes = [raw, binary], + OpCount = 4096, + Data = <<0:(64 bsl 10)/unit:8>>, + run_write_benchmark(Config, Modes, OpCount, Data). + +large_writes_delayed(Config) when is_list(Config) -> + %% Each write is exactly as large as the delay buffer, causing the writes + %% to pass through each time, giving us a decent idea of how much overhead + %% delayed_write adds. + Modes = [raw, binary, {delayed_write, 64 bsl 10, 2000}], + OpCount = 4096, + Data = <<0:(64 bsl 10)/unit:8>>, + run_write_benchmark(Config, Modes, OpCount, Data). + +tiny_writes(Config) when is_list(Config) -> + Modes = [raw, binary], + OpCount = 512 bsl 10, + Data = <<0>>, + run_write_benchmark(Config, Modes, OpCount, Data). + +tiny_writes_delayed(Config) when is_list(Config) -> + Modes = [raw, binary, {delayed_write, 512 bsl 10, 2000}], + OpCount = 512 bsl 10, + Data = <<0>>, + run_write_benchmark(Config, Modes, OpCount, Data). + +%% The read benchmarks assume that "benchmark_scratch_file" has been filled by +%% the write benchmarks. + +tiny_reads(Config) when is_list(Config) -> + Modes = [raw, binary], + OpCount = 512 bsl 10, + run_read_benchmark(Config, Modes, OpCount, 1). + +tiny_reads_ahead(Config) when is_list(Config) -> + Modes = [raw, binary, {read_ahead, 512 bsl 10}], + OpCount = 512 bsl 10, + run_read_benchmark(Config, Modes, OpCount, 1). + +run_write_benchmark(Config, Modes, OpCount, Data) -> + run_benchmark(Config, [write | Modes], OpCount, fun file:write/2, Data). + +run_read_benchmark(Config, Modes, OpCount, OpSize) -> + run_benchmark(Config, [read | Modes], OpCount, fun file:read/2, OpSize). + +run_benchmark(Config, Modes, OpCount, Fun, Arg) -> + ScratchDir = proplists:get_value(priv_dir, Config), + Path = filename:join(ScratchDir, "benchmark_scratch_file"), + {ok, Fd} = file:open(Path, Modes), + submit_throughput_results(Fun, [Fd, Arg], OpCount). + +submit_throughput_results(Fun, Args, Times) -> + MSecs = measure_repeated_file_op(Fun, Args, Times, millisecond), + IOPS = trunc(Times * (1000 / MSecs)), + ct_event:notify(#event{ name = benchmark_data, data = [{value,IOPS}] }), + {comment, io_lib:format("~p IOPS, ~p ms", [IOPS, trunc(MSecs)])}. + +measure_repeated_file_op(Fun, Args, Times, Unit) -> + Start = os:perf_counter(Unit), + repeated_apply(Fun, Args, Times), + os:perf_counter(Unit) - Start. + +repeated_apply(_F, _Args, Times) when Times =< 0 -> + ok; +repeated_apply(F, Args, Times) -> + erlang:apply(F, Args), + repeated_apply(F, Args, Times - 1). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% response_analysis(Module, Function, Arguments) -> @@ -3934,7 +4156,7 @@ read_line_create_files(TestData) -> read_line_remove_files(TestData) -> [ file:delete(File) || {_Function,File,_,_} <- TestData ]. -%% read_line with prim_file. +%% read_line with ?PRIM_FILE. read_line_1(Config) when is_list(Config) -> PrivDir = proplists:get_value(priv_dir, Config), All = read_line_testdata(PrivDir), @@ -4103,9 +4325,9 @@ read_line_create7(Filename) -> file:close(F). read_line_all(Filename) -> - {ok,F} = prim_file:open(Filename,[read,binary]), + {ok,F} = ?PRIM_FILE:open(Filename,[read,binary]), X=read_rl_lines(F), - prim_file:close(F), + ?PRIM_FILE:close(F), Bin = list_to_binary([B || {ok,B} <- X]), Bin = re:replace(list_to_binary([element(2,file:read_file(Filename))]), "\r\n","\n",[global,{return,binary}]), @@ -4138,7 +4360,7 @@ read_line_all4(Filename) -> {length(X),Bin}. read_rl_lines(F) -> - case prim_file:read_line(F) of + case ?PRIM_FILE:read_line(F) of eof -> []; {error,X} -> @@ -4158,9 +4380,9 @@ read_rl_lines2(F) -> end. read_line_all_alternating(Filename) -> - {ok,F} = prim_file:open(Filename,[read,binary]), + {ok,F} = ?PRIM_FILE:open(Filename,[read,binary]), X=read_rl_lines(F,true), - prim_file:close(F), + ?PRIM_FILE:close(F), Bin = list_to_binary([B || {ok,B} <- X]), Bin = re:replace(list_to_binary([element(2,file:read_file(Filename))]), "\r\n","\n",[global,{return,binary}]), @@ -4194,8 +4416,8 @@ read_line_all_alternating4(Filename) -> read_rl_lines(F,Alternate) -> case begin case Alternate of - true -> prim_file:read(F,1); - false -> prim_file:read_line(F) + true -> ?PRIM_FILE:read(F,1); + false -> ?PRIM_FILE:read_line(F) end end of eof -> |