1  FTP Release Notes

1 FTP Release Notes

  • Fixes the documentation for the ftp module and updates the typing of ftp functions that return errors.

    The documentation has been improved and the types of the functions are now read from source code, instead of being hard-coded in XML.

    Functions returning errors of the form {error, Reason :: 'ehost' | ...} are now similar to other modules, i.e., {error, Reason :: term()}. If one wants to understand the error, one must call the function ftp:formaterror({error, Reason}).

    Own Id: OTP-18359 Aux Id: PR-6545

  • Deprecates dbg:stop_clear/0 because it is simply a function alias to dbg:stop/0

    Own Id: OTP-18478 Aux Id: GH-6903

  • Remove deprecated functions in OTP-26

    Own Id: OTP-18541

  • Replace size/1 with either tuple_size/1 or byte_size/1

    The size/1 BIF is not optimized by the JIT, and its use can result in worse types for Dialyzer.

    When one knows that the value being tested must be a tuple, tuple_size/1 should always be preferred.

    When one knows that the value being tested must be a binary, byte_size/1 should be preferred. However, byte_size/1 also accepts a bitstring (rounding up size to a whole number of bytes), so one must make sure that the call to byte_size/ is preceded by a call to is_binary/1 to ensure that bitstrings are rejected. Note that the compiler removes redundant calls to is_binary/1, so if one is not sure whether previous code had made sure that the argument is a binary, it does not harm to add an is_binary/1 test immediately before the call to byte_size/1.

    Own Id: OTP-18432 Aux Id: GH-6672,PR-6793,PR-6784,PR-6787,PR-6785,PR-6682,PR-6800,PR-6797,PR-6798,PR-6799,PR-6796,PR-6813,PR-6671,PR-6673,PR-6684,PR-6694,GH-6677,PR-6696,PR-6670,PR-6674

  • Fixes calls to ftp:nlist/2 returning {error, epath} when the file / folder exists

    Own Id: OTP-18409 Aux Id: PR-6721,ERIERL-908

  • fix unexpected result ok when calling ftp:nlist repeatedly

    Own Id: OTP-18252 Aux Id: GH-5823

  • An unexpected timeout message on the FTP control channel was observed in a real system and could not be associated with anything that was expected to happen, so we will ignore but info log such unexpected messages.

    Own Id: OTP-17989 Aux Id: ERIERL-767

  • Use OTP supervisor as intended, avoiding surprising behavior as the killing of the user's process. Also, FTP state handling logic is improved to avoid race conditions that could result in unexpected errors.

    Own Id: OTP-16926 Aux Id: ERL-1450, GH-4473

  • Missing runtime dependencies has been added to this application.

    Own Id: OTP-17243 Aux Id: PR-4557

  • Add support for FTPES (explicit FTP over TLS).

    Own Id: OTP-15523 Aux Id: OTP-15352, PR-1968

  • Avoid timing issue when setting active once on a socket that is being closed by the peer.

    Own Id: OTP-16734 Aux Id: OTP-16697, ERIERL-496

  • Avoid timing issue when setting active once on a socket that is being closed by the peer.

    Own Id: OTP-16734 Aux Id: OTP-16697, ERIERL-496

  • A possibly infinite loop is removed.

    Own Id: OTP-16243 Aux Id: PR-2436, OTP-16056

  • Removed compiler warnings.

    Own Id: OTP-16318 Aux Id: OTP-16183

  • A possibly infinite loop when receiving messages divided in parts is removed.

    Own Id: OTP-16056

  • A possibly infinite loop is removed.

    Own Id: OTP-16243 Aux Id: PR-2436, OTP-16056

  • A possibly infinite loop when receiving messages divided in parts is removed.

    Own Id: OTP-16056

  • Fixed timing related bug that could make ftp functions behave badly.

    Own Id: OTP-15659 Aux Id: ERIERL-316

  • Improved documentation.

    Own Id: OTP-15190

  • Inets application was split into multiple smaller protocol specific applications. The FTP application is a standalone FTP client with the same functionality as FTP client in Inets.

    Own Id: OTP-14113

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