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Release Notes
Version 4.2.27

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# 1 IDL Compiler Release Notes

### 1.1 IC 4.2.27

#### Improvements and New Features

- Reduced compile overhead (Thanks to Haitao Li).

  Own Id: OTP-9460

### 1.2 IC 4.2.26

#### Improvements and New Features

- Partial support for recursive structs and unions. Only available for the erl_corba backend and requires that Light IFR is used. I.e. the IC option {light_ifr, true} and that Orber is configured in such a way that Light IFR is activated. Recursive TypeCode is currently not supported.

  Own Id: OTP-8868 Aux Id: seq11633

### 1.3 IC 4.2.25

#### Improvements and New Features

- The documentation can now be built and installed without Java.

  Own Id: OTP-8639 Aux Id:

### 1.4 IC 4.2.24

#### Fixed Bugs and Malfunctions

- Removed superfluous VT in the documentation.

  Own id: OTP-8353 Aux Id:

- The option c_timeout was not correctly documented.

  Own id: OTP-8307 Aux Id: seq11390

- Removed superfluous backslash in the documentation.

  Own id: OTP-8354 Aux Id:

- The documentation EIX file was not generated.

  Own id: OTP-8355 Aux Id:

### 1.5 IC 4.2.23

#### Improvements and New Features

- The documentation is now built with open source tools (xsltproc and fop) that exists on most platforms. One visible change is that the frames are removed.

  Own Id: OTP-8201 Aux Id:

### 1.6 IC 4.2.22

#### Fixed Bugs and Malfunctions

- The 64-bit version of libic was not compiled with the -fPIC flag.

  Own id: OTP-8088

### 1.7 IC 4.2.21

#### Fixed Bugs and Malfunctions

- The function print_erlang_binary (oe_ei_code_erlang_binary.c) updated to avoid compiler warning.

  Own id: OTP-7982

### 1.8 IC 4.2.20

#### Improvements and New Features

- Updated file headers.

  Own id: OTP-7837

### 1.9 IC 4.2.19

#### Improvements and New Features

- Documentation source included in open source releases.

  Own id: OTP-7595

### 1.10 IC 4.2.18

#### Fixed Bugs and Malfunctions

- Insufficient buffer allocated when passing wide strings using the C backend on a 64-bit architecture.

  Own Id: OTP-7313 Aux Id:

### 1.11 IC 4.2.17

#### Improvements and New Features

- Updated file headers.

  Own id: OTP-7011

- IC no longer use the obsolete function file:rawopen/2.

  Own id: OTP-7182

### 1.12 IC 4.2.16

#### Improvements and New Features

- Added links to classes inherited from Jinterface in the User's Guide.

  Own Id: OTP-6965 Aux Id:

### 1.13 IC 4.2.15

#### Fixed Bugs and Malfunctions

- If an inherited function name begun with a capital letter the generated stub/skeleton oe_tc/1 function was incorrect.

  Own Id: OTP-6855 Aux Id:

### 1.14 IC 4.2.14

#### Improvements and New Features

- The documentation source has been converted from SGML to XML.

  Own Id: OTP-6754 Aux Id:

### 1.15 IC 4.2.13

#### Improvements and New Features

- Minor Makefile changes.

  Own Id: OTP-6701 Aux Id:

### 1.16 IC 4.2.12

#### Improvements and New Features

- Dead code was deleted from the following modules: ic_cclient, ic_code, ic_cserver, ic_erlbe, ic_java_type, ic_noc, ic_plainbe, ic_pp, ic_pragma, icscan, icstruct, ictype, icunion.

### 1.17 IC 4.2.11

#### Improvements and New Features

- Changed code generation to avoid warnings such as unused variables.

  Own Id: OTP-5930 Aux Id:

### 1.18 IC 4.2.10

#### Fixed Bugs and Malfunctions

- The FD_SETSIZE limit has been increased to 2048 for VxWorks/PPC603.

  Own Id: OTP-5395 Aux Id: seq9751

### 1.19 IC 4.2.9

#### Fixed Bugs and Malfunctions

- In C back-ends, the compiler crashed when generating C code for error reports when a scoped name was used as a type in a union.

  Own Id: OTP-5375 Aux Id: seq9740

### 1.20 IC 4.2.8

#### Fixed Bugs and Malfunctions

- In C back-ends, when decoding a sequence of "small" integers, which from Erlang is sent as a string (i.e. each element between 0 and 255), each string element was considered to be of signed character type. Each such element is now correctly treated as an unsigned character type.

  Own Id: OTP-5205 Aux Id: seq9241

### 1.21 IC 4.2.7

#### Improvements and New Features

- A new compiler option c_report has been introduced for C back-ends (client and server). If that option is set, encoding/decoding errors will be reported to stderr.

  Own Id: OTP-4977

### 1.22 IC 4.2.6

#### Improvements and New Features

- The size of modules, used then registering data in the IFR DB (e.g., oe_MyModule:oe_register()), can be minimized if the compile option light_ifr is used and Orber is configured to use Light IFR. Requires that orber-3.5.1, or later, is used.

  Own Id: OTP-5036

#### Incompatibilities

- The compile option multiple_be is no longer supported.

  Own Id: OTP-5049

### 1.23 IC 4.2.5

#### Improvements and New Features

- Send and receive functions with timeouts have been added to the C back-ends for the standard protocol (i.e. Erlang distribution + gen_server protocol).

  Accordingly a new compiler option {c_timeout, {SendTimeout, RecvTimeout}} has been added. Timeouts are specified in milliseconds.

  A user that want to implement its own protocols with function timeouts has to implement the following functions.

  For C clients the functions int PFX_send_notification(CORBA_Environment *env, unsigned int send_ms), and int PFX_send_request_and_receive_reply(CORBA_Environment *env, unsigned int send_ms, unsigned int recv_ms) have to be additionally implemented, where PFX is the user defined prefix.

  For C servers no additional functions have to be implemented, but a clone of the int oe_server_receive_tmo(CORBA_Environment *env, oe_map_t *map, unsigned int send_ms, unsigned int recv_ms) might be handy.

  Own Id: OTP-4972

### 1.24 IC 4.2.4

#### Improvements and new features

- The C back-ends has been opened up, so that a user can define his own protocol, differing from the Erlang distribution + gen_server protocol.
  For C clients it means to replace the library functions int oe_prepare_notification_encoding(CORBA_Environment *env), int oe_send_notification(CORBA_Environment *env), int oe_prepare_request_encoding(CORBA_Environment *env), int oe_send_request_and_receive_reply(CORBA_Environment *env), and int oe_prepare_reply_decoding(CORBA_Environment *env), with functions of the same signature, but with the prefix "oe" replaced by a user defined prefix. For C servers the functions int oe_prepare_request_decoding(CORBA_Environment *env), and int oe_prepare_reply_encoding(CORBA_Environment *env), are similarly replaced.
  The new compiler option {user_protocol, Prefix} has been added.

  Own Id: OTP-4834

### 1.25 IC 4.2.3

#### Fixed Bugs and Malfunctions

- In generated code for the C server back-end, the naming scope was in error for prototypes in C header files for interfaces inheriting base interfaces.

  Own Id: OTP-4881

### 1.26 IC 4.2.2

#### Fixed Bugs and Malfunctions

- IDL long long and unsigned long long could not be used in a struct for the Java backend.

  All unsigned integer types for the Java backend had broken marshalling for large values.

  Own Id: OTP-4763

### 1.27 IC 4.2.1

#### Fixed Bugs and Malfunctions

- A scoping problem (IC could not find typedefs contained inherited interfaces) in the C-backend solved.

  Own Id: OTP-4758

### 1.28 IC 4.2

#### Improvements and New Features

- The CORBA stub/skeleton-files generated by IC have been improved, i.e., depending on the IDL-files, reduced the size of the erl- and beam-files and decreased dependencies off Orber's Interface Repository. It is necessary to re-compile all IDL-files and use COS-applications, including Orber, compiled with IC-4.2.

  Own Id: OTP-4576