/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _MDB_ARGVEC_H
#define _MDB_ARGVEC_H

#include <sys/types.h>

#ifdef  __cplusplus
extern "C" {
#endif

struct mdb_arg;

typedef struct mdb_argvec {
        struct mdb_arg *a_data;         /* Array of arguments */
        size_t a_nelems;                /* Number of valid elements */
        size_t a_size;                  /* Array size */
} mdb_argvec_t;

/* see mdb_modapi.h for 1-6 */
#define MDB_OPT_SUBOPTS 7               /* Option requires a mdb_subopt_t */
                                        /* list and a value argument */

typedef struct mdb_subopt {
        uint_t sop_flag;                /* Option flag */
        const char *sop_str;            /* Sub-option name */
        int sop_index;                  /* Index of subopt in argument */
} mdb_subopt_t;

typedef struct mdb_opt {
        char opt_char;                  /* Option name */
        void *opt_valp;                 /* Value storage pointer */
        uint_t opt_bits;                /* Bits to set or clear for booleans */
        boolean_t *opt_flag;            /* pointer to flag (uintptr_set) */
        mdb_subopt_t *opt_subopts;      /* List of mdb_subopt_t */
        uint_t opt_type;                /* Option type (see above) */
} mdb_opt_t;

#ifdef _MDB

#ifdef  _BIG_ENDIAN
#ifdef  _LP64
#define MDB_INIT_CHAR(x)        ((const char *)((uintptr_t)(uchar_t)(x) << 56))
#else   /* _LP64 */
#define MDB_INIT_CHAR(x)        ((const char *)((uintptr_t)(uchar_t)(x) << 24))
#endif  /* _LP64 */
#else   /* _BIG_ENDIAN */
#define MDB_INIT_CHAR(x)        ((const char *)(uchar_t)(x))
#endif  /* _BIG_ENDIAN */
#define MDB_INIT_STRING(x)      ((const char *)(x))

extern void mdb_argvec_create(mdb_argvec_t *);
extern void mdb_argvec_destroy(mdb_argvec_t *);
extern void mdb_argvec_append(mdb_argvec_t *, const struct mdb_arg *);
extern void mdb_argvec_reset(mdb_argvec_t *);
extern void mdb_argvec_zero(mdb_argvec_t *);
extern void mdb_argvec_copy(mdb_argvec_t *, const mdb_argvec_t *);

extern char *mdb_argv_to_str(int, const struct mdb_arg *);

#endif  /* _MDB */

#ifdef  __cplusplus
}
#endif

#endif  /* _MDB_ARGVEC_H */