[Swig-devel] [ swig-Bugs-1878285 ] double cast in generated code for Java constructor

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Bugs item #1878285, was opened at 2008-01-23 15:56
Message generated for change (Comment added) made by wsfulton
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>Category: code generation (general)
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Hendrik Maryns (hamaryns)
Assigned to: William Fulton (wsfulton)
Summary: double cast in generated code for Java constructor

Initial Comment:
When wrapping a C struct, a default constructor without arguments is made.  The corresponding C function looks like this:

SWIGEXPORT jlong JNICALL Java_package_ModuleJNI_new_1structName(JNIEnv *jenv, jclass jcls) {
  jlong jresult = 0 ;
  struct structName *result = 0 ;
  
  (void)jenv;
  (void)jcls;
  result = (struct structName *)(struct structName *) calloc(1, sizeof(struct structName));
  *(struct structName **)&jresult = result; 
  return jresult;
}

Note the double cast to (struct structName *).  This is unnecessary.

Generated by e.g. 

struct structName { int i; };

----------------------------------------------------------------------

>Comment By: William Fulton (wsfulton)
Date: 2008-03-12 22:15

Message:
Logged In: YES 
user_id=242951
Originator: NO

Applies to all languages. Fixed for swig-1.3.35.

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