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--- en:docs:tk:som:progg [2024/11/09 08:34] – prokushev
+++ en:docs:tk:som:progg [2024/11/09 09:38] (current) – prokushev
@@ Line 1: / Line 1: @@
 ====== C Mapping ======
-somFree supports C Language Mapping specification to be CORBA 2+ compatible. But it still support SOM C Mapping. To switch back to CORBA 1.1 Mappings use CORBA1MAPPING define.
+IBM SOM development was based on CORBA 1.1 specifications. But in later CORBA standards some changes (and incompatibilities) was introduced:
+  - Most of CORBA C mapping now has CORBA_ prefix (CORBA 1.2 p.79 4.11 CORBA Module).
+  - Up to CORBA 1.2 CORBA_Environment mapped to second argument of method function. But CORBA 2.0 changed this to last argument (CORBA 2.0 p.14-5 14.3 Mapping for Interfaces).
+  - Interface Repository interfaces was changed in CORBA 2.0. Description structure not contains member 'name' but member 'kind' with different type. (CORBA 2.0 p.6-10 6.5.3 Contained).
+  - CORBA 2.1 introduces wide chars (CORBA 2.1 p.1-17 wchar/wstring...
+  - CORBA 3 changed idl file names. (https://www.omg.org/spec/CORBA/3.3)
+somFree supports C Language Mapping Specification to be CORBA 2+ compatible. But it still support CORBA 1.1 C Mapping. To switch back to CORBA 1.1 Mapping use CORBA1MAPPING define.
 ====== Exceptions ======