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- /***********************************************************
- Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
- The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior permission.
-
- STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
- THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
- FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Wrap void* pointers to be passed between C modules */
-
- #include "Python.h"
-
-
- /* Declarations for objects of type PyCObject */
-
- typedef struct {
- PyObject_HEAD
- void *cobject;
- void (*destructor)(void *);
- } PyCObject;
-
- PyObject *
- PyCObject_FromVoidPtr(cobj, destr)
- void *cobj;
- void (*destr)(void *);
- {
- PyCObject *self;
-
- self = PyObject_NEW(PyCObject, &PyCObject_Type);
- if (self == NULL)
- return NULL;
- self->cobject=cobj;
- self->destructor=destr;
- return (PyObject *)self;
- }
-
- void *
- PyCObject_AsVoidPtr(self)
- PyObject *self;
- {
- return ((PyCObject *)self)->cobject;
- }
-
- static void
- PyCObject_dealloc(self)
- PyCObject *self;
- {
- if(self->destructor) (self->destructor)(self->cobject);
- PyMem_DEL(self);
- }
-
- static char PyCObject_Type__doc__[] =
- "C objects to be exported from one extension module to another\n"
- "\n"
- "C objects are used for communication between extension modules. They\n"
- "provide a way for an extension module to export a C interface to other\n"
- "extension modules, so that extension modules can use the Python import\n"
- "mechanism to link to one another.\n"
- ;
-
- PyTypeObject PyCObject_Type = {
- PyObject_HEAD_INIT(&PyType_Type)
- 0, /*ob_size*/
- "PyCObject", /*tp_name*/
- sizeof(PyCObject), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- /* methods */
- (destructor)PyCObject_dealloc, /*tp_dealloc*/
- (printfunc)0, /*tp_print*/
- (getattrfunc)0, /*tp_getattr*/
- (setattrfunc)0, /*tp_setattr*/
- (cmpfunc)0, /*tp_compare*/
- (reprfunc)0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- (hashfunc)0, /*tp_hash*/
- (ternaryfunc)0, /*tp_call*/
- (reprfunc)0, /*tp_str*/
-
- /* Space for future expansion */
- 0L,0L,0L,0L,
- PyCObject_Type__doc__ /* Documentation string */
- };
-