rpnifs/python_const.c

#include "python_const.h"

PyModuleDef rpnconstmodule = {
	PyModuleDef_HEAD_INIT,
	"pyrpn.const",
	"librarie's constants",
	-1, // module size
	NULL, // methods
	NULL,
	NULL,
	NULL
};

int Py_rpnconst_add(PyObject* mod, const char* name, int value)
{
	PyObject *val;
	val = Py_BuildValue("i", value);
	Py_INCREF(val);
	if(PyModule_AddObject(mod, name, val) < 0)
	{
		Py_DECREF(val);
		return -1;
	}
	return 0;
}

PyObject *Py_rpnconst_init(void)
{
	PyObject *mod;
	mod = PyModule_Create(&rpnconstmodule);
	if(mod == NULL) { return NULL; }

	if(Py_rpnconst_add(mod, "POS_LINEAR", RPN_IF_POSITION_LINEAR) ||
		Py_rpnconst_add(mod, "POS_XY", RPN_IF_POSITION_XY) ||
		Py_rpnconst_add(mod, "POS_XDIM", RPN_IF_POSITION_XDIM) ||
		Py_rpnconst_add(mod, "RESULT_BOOL", RPN_IF_RES_BOOL) ||
		Py_rpnconst_add(mod, "RESULT_CONST", RPN_IF_RES_CONST) ||
		Py_rpnconst_add(mod, "RESULT_CONST_RGBA", RPN_IF_RES_CONST_RGBA) ||
		Py_rpnconst_add(mod, "RESULT_COUNT", RPN_IF_RES_COUNT) ||
		Py_rpnconst_add(mod, "RESULT_XFUN", RPN_IF_RES_XFUN) ||
		Py_rpnconst_add(mod, "RESULT_RGB", RPN_IF_RES_RGB) ||
		Py_rpnconst_add(mod, "RESULT_RGBA", RPN_IF_RES_RGBA))
	{
		Py_DECREF(mod);
		return NULL;
	}
	return mod;
}