root/bin/ps/ps.h
/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)ps.h        8.1 (Berkeley) 5/31/93
 * $FreeBSD: src/bin/ps/ps.h,v 1.7 1999/08/27 23:14:52 peter Exp $
 * $DragonFly: src/bin/ps/ps.h,v 1.9 2007/02/01 10:33:25 corecode Exp $
 */

#define UNLIMITED       0       /* unlimited terminal width */
enum type { CHAR, UCHAR, SHORT, USHORT, INT, UINT, LONG, ULONG, KPTR };

#define KI_PROC(ki, f) ((ki)->ki_proc->kp_ ## f)
#define KI_LWP(ki, f) ((ki)->ki_proc->kp_lwp.kl_ ## f)

typedef struct kinfo {
        struct kinfo_proc *ki_proc;     /* proc info structure */
        const char *ki_args;            /* exec args */
        const char *ki_env;             /* environment */
        int     ki_indent;              /* used by dochain */
        struct kinfo *ki_hnext;         /* used by dochain */
        struct kinfo *ki_cbase;         /* used by dochain */
        struct kinfo **ki_ctailp;       /* used by dochain */
        struct kinfo *ki_cnext;         /* used by dochain */
        struct kinfo *ki_parent;        /* used by dochain */
} KINFO;

/* Variables. */
struct varent {
        STAILQ_ENTRY(varent) link;
        const struct var *var;
        const char *header;
        int         width;              /* printing width */
        int         dwidth;             /* dynamic printing width */
};

typedef struct var {
        const char  *name;              /* name(s) of variable */
        const char  *header;            /* default header */
        const char  *alias;             /* aliases */
#define COMM        0x01                /* needs exec arguments and environment (XXX) */
#define LJUST       0x02                /* left adjust on output (trailing blanks) */
#define USER        0x04                /* needs user structure */
#define DSIZ        0x08                /* field size is dynamic*/
        u_int       flag;
                                        /* output routine */
        void        (*oproc) (const struct kinfo *, const struct varent *);
                                        /* sizing routine*/
        int         (*sproc) (const struct kinfo *);
        short       width;              /* printing width */
        /*
         * The following (optional) elements are hooks for passing information
         * to the generic output routines: pvar, evar, uvar (those which print
         * simple elements from well known structures: proc, eproc, usave)
         */
        int         off;                /* offset in structure */
        enum        type type;          /* type of element */
        const char  *fmt;               /* printf format */
        const char  *time;              /* time format */
        /*
         * glue to link selected fields together
         */
} VAR;

#include "extern.h"