diff options
Diffstat (limited to 'lib/kernel/src/file.erl')
-rw-r--r-- | lib/kernel/src/file.erl | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 22af38c598..16f2dde464 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -38,7 +38,7 @@ %% Specialized -export([ipread_s32bu_p32bu/3]). %% Generic file contents. --export([open/2, close/1, advise/4, +-export([open/2, close/1, advise/4, allocate/3, read/2, write/2, pread/2, pread/3, pwrite/2, pwrite/3, read_line/1, @@ -397,9 +397,10 @@ raw_write_file_info(Name, #file_info{} = Info) -> %% Contemporary mode specification - list of options --spec open(Filename, Modes) -> {ok, IoDevice} | {error, Reason} when +-spec open(File, Modes) -> {ok, IoDevice} | {error, Reason} when + File :: Filename | iodata(), Filename :: name(), - Modes :: [mode()], + Modes :: [mode() | ram], IoDevice :: io_device(), Reason :: posix() | badarg | system_limit. @@ -489,6 +490,18 @@ advise(#file_descriptor{module = Module} = Handle, Offset, Length, Advise) -> advise(_, _, _, _) -> {error, badarg}. +-spec allocate(File, Offset, Length) -> + 'ok' | {'error', posix()} when + File :: io_device(), + Offset :: non_neg_integer(), + Length :: non_neg_integer(). + +allocate(File, Offset, Length) when is_pid(File) -> + R = file_request(File, {allocate, Offset, Length}), + wait_file_reply(File, R); +allocate(#file_descriptor{module = Module} = Handle, Offset, Length) -> + Module:allocate(Handle, Offset, Length). + -spec read(IoDevice, Number) -> {ok, Data} | eof | {error, Reason} when IoDevice :: io_device() | atom(), Number :: non_neg_integer(), @@ -1314,6 +1327,7 @@ sendfile_send(Sock, Data, Old) -> %%% Helpers consult_stream(Fd) -> + _ = epp:set_encoding(Fd), consult_stream(Fd, 1, []). consult_stream(Fd, Line, Acc) -> @@ -1327,6 +1341,7 @@ consult_stream(Fd, Line, Acc) -> end. eval_stream(Fd, Handling, Bs) -> + _ = epp:set_encoding(Fd), eval_stream(Fd, Handling, 1, undefined, [], Bs). eval_stream(Fd, H, Line, Last, E, Bs) -> |