/* How to implement an integer datatype for cvar */
/* (example taken from cvarx) */

/* In some init function... */
	g_inttype = cvar_type_new("int");
	cvar_type_set_eval(g_inttype, eval_int);
	cvar_type_set_datasize(g_inttype, sizeof(int));
	cvar_type_set_view(g_inttype, view_int);
	cvar_set_cmd("int", cmd_int);
/* Note that there are many more parameters to set, however
 * they are set to sensible default values by cvar_type_new 
 * which are fine for int
 */


/* The functions defined above */

cvar_result_e eval_int(cvar_type_t* type, void* vdata, int argc, char** argv)
{
	int* data = (int*) vdata;
	if(argc == 2) {
		*data = atoi(argv[1]);
	} else {
		cvar_print("%s: int: %d", argv[0], *data); 
	}
	return cvar_kNoError;
}

cvar_result_e cmd_int(int argc, char** argv)
{
	if(argc == 3) {
		void* vdata;
		int* data;
		vdata = cvar_create(argv[1], g_inttype);
		data = (int*) vdata;
		*data = atoi(argv[2]);
	} else {
		cvar_print("usage: %s <cvar> <value>", argv[0]);
	}
	return cvar_kNoError;
}

void view_int(char* buffer, size_t len, cvar_type_t* type, void* data)
{
	sprintf(buffer, "int: %d", *((int*) data));
}