/* queryparam.h - query program parameters Author: Kees J. Bot

* 22 Apr 1994

*/

#ifndef _MINIX__QUERYPARAM_H

#define _MINIX__QUERYPARAM_H

typedef size_t _mnx_size_t;

struct export_param_list {

char *name; /* "variable", "[", ".field", or NULL. */

void *offset; /* Address of a variable or field offset. */

size_t size; /* Size of the resulting object. */

};

struct export_params {

struct export_param_list *list; /* List of exported parameters. */

struct export_params *next; /* Link several sets of parameters. */

};

#ifdef __STDC__

#define qp_stringize(var) (char *) #var

#define qp_dotstringize(var) "." (char *) #var

#else

#define qp_stringize(var) "var"

#define qp_dotstringize(var) ".var"

#endif

#define QP_VARIABLE(var) { qp_stringize(var), &(var), sizeof(var) }

#define QP_ARRAY(var) { (char *) "[", 0, sizeof((var)[0]) }

#define QP_VECTOR(var,ptr,len) { qp_stringize(var), &(ptr), -1 },\

{ (char *) "[", &(len), sizeof(*(ptr)) }

#define QP_FIELD(field, type) { qp_dotstringize(field), \

(void *)offsetof(type, field), \

sizeof(((type *)0)->field) }

#define QP_END() { 0, 0, 0 }

void qp_export(struct export_params *_ex_params);

int queryparam(int (*_qgetc) (void), void **_paddress, _mnx_size_t

*_psize);

_mnx_size_t paramvalue(char **_value, void *_address, _mnx_size_t

_size);

#endif /* _MINIX__QUERYPARAM_H */

/* $PchId: queryparam.h,v 1.1 2005/06/28 14:31:26 philip Exp $ */