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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 */
+};