/*
 * Copyright (c) 1980, 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.
 *
 * @(#) Copyright (c) 1980, 1993 The Regents of the University of California.  All rights reserved.
 * @(#)mt.c     8.2 (Berkeley) 5/4/95
 * $FreeBSD: src/usr.bin/mt/mt.c,v 1.26.2.3 2002/11/08 11:35:57 joerg Exp $
 */

/*
 * mt --
 *   magnetic tape manipulation program
 */
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mtio.h>

#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

/* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */
#if defined(__DragonFly__)
/* c_flags */
#define NEED_2ARGS      0x01
#define ZERO_ALLOWED    0x02
#define IS_DENSITY      0x04
#define DISABLE_THIS    0x08
#define IS_COMP         0x10
#endif /* defined(__DragonFly__) */

#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

static struct commands {
        char *c_name;
        u_long c_code;
        int c_ronly;
#if defined(__DragonFly__)
        int c_flags;
#endif /* defined(__DragonFly__) */
} com[] = {
        { "bsf",        MTBSF,  1 },
        { "bsr",        MTBSR,  1 },
#if defined(__DragonFly__)
        /* XXX FreeBSD considered "eof" dangerous, since it's being
           confused with "eom" (and is an alias for "weof" anyway) */
        { "eof",        MTWEOF, 0, DISABLE_THIS },
#else
        { "eof",        MTWEOF, 0 },
#endif
        { "fsf",        MTFSF,  1 },
        { "fsr",        MTFSR,  1 },
        { "offline",    MTOFFL, 1 },
        { "rewind",     MTREW,  1 },
        { "rewoffl",    MTOFFL, 1 },
        { "status",     MTNOP,  1 },
#if defined(__DragonFly__)
        { "weof",       MTWEOF, 0, ZERO_ALLOWED },
#else
        { "weof",       MTWEOF, 0 },
#endif
#if defined(__DragonFly__)
        { "erase",      MTERASE, 0, ZERO_ALLOWED},
        { "blocksize",  MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED },
        { "density",    MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY },
        { "eom",        MTEOD, 1 },
        { "eod",        MTEOD, 1 },
        { "smk",        MTWSS, 0 },
        { "wss",        MTWSS, 0 },
        { "fss",        MTFSS, 1 },
        { "bss",        MTBSS, 1 },
        { "comp",       MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP },
        { "retension",  MTRETENS, 1 },
        { "rdhpos",     MTIOCRDHPOS,  0 },
        { "rdspos",     MTIOCRDSPOS,  0 },
        { "sethpos",    MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
        { "setspos",    MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
        { "errstat",    MTIOCERRSTAT, 0 },
        { "setmodel",   MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
        { "seteotmodel",        MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
        { "getmodel",   MTIOCGETEOTMODEL },
        { "geteotmodel",        MTIOCGETEOTMODEL },
#endif /* defined(__DragonFly__) */
        { NULL }
};

static void printreg(char *, u_int, char *);
static void status(struct mtget *);
static void usage(void) __dead2;
#if defined (__DragonFly__)
static void st_status(struct mtget *);
static int stringtodens(const char *s);
static const char *denstostring(int d);
static int denstobp(int d, int bpi);
static u_int32_t stringtocomp(const char *s);
static const char *comptostring(u_int32_t comp);
static void warn_eof(void) __dead2;
#endif /* defined (__DragonFly__) */

int
main(int argc, char **argv)
{
        struct commands *comp;
        struct mtget mt_status;
        struct mtop mt_com;
        int ch, len, mtfd;
        char *p, *tape;

        if ((tape = getenv("TAPE")) == NULL)
                tape = DEFTAPE;

        while ((ch = getopt(argc, argv, "f:t:")) != -1)
                switch(ch) {
                case 'f':
                case 't':
                        tape = optarg;
                        break;
                case '?':
                default:
                        usage();
                }
        argc -= optind;
        argv += optind;

        if (argc < 1 || argc > 2)
                usage();

        len = strlen(p = *argv++);
        for (comp = com;; comp++) {
                if (comp->c_name == NULL)
                        errx(1, "%s: unknown command", p);
                if (strncmp(p, comp->c_name, len) == 0)
                        break;
        }
#if defined(__DragonFly__)
        if((comp->c_flags & NEED_2ARGS) && argc != 2)
                usage();
        if(comp->c_flags & DISABLE_THIS) {
                warn_eof();
        }
#endif /* defined(__DragonFly__) */
        if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0)
                err(1, "%s", tape);
        if (comp->c_code != MTNOP) {
                mt_com.mt_op = comp->c_code;
                if (*argv) {
#if defined (__DragonFly__)
                        if (!isdigit(**argv) &&
                            (comp->c_flags & IS_DENSITY)) {
                                const char *dcanon;
                                mt_com.mt_count = stringtodens(*argv);
                                if (mt_com.mt_count == 0)
                                        errx(1, "%s: unknown density", *argv);
                                dcanon = denstostring(mt_com.mt_count);
                                if (strcmp(dcanon, *argv) != 0)
                                        printf(
                                        "Using \"%s\" as an alias for %s\n",
                                               *argv, dcanon);
                                p = "";
                        } else if (!isdigit(**argv) &&
                                   (comp->c_flags & IS_COMP)) {

                                mt_com.mt_count = stringtocomp(*argv);
                                if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0)
                                        errx(1, "%s: unknown compression",
                                             *argv);
                                p = "";
                        } else
                                /* allow for hex numbers; useful for density */
                                mt_com.mt_count = strtol(*argv, &p, 0);
#else
                        mt_com.mt_count = strtol(*argv, &p, 10);
#endif /* defined(__DragonFly__) */
                        if ((mt_com.mt_count <=
#if defined (__DragonFly__)
                            ((comp->c_flags & ZERO_ALLOWED)? -1: 0)
                            && ((comp->c_flags & IS_COMP) == 0)
#else
                            0
#endif /* defined (__DragonFly__) */
                            ) || *p)
                                errx(1, "%s: illegal count", *argv);
                }
                else
                        mt_com.mt_count = 1;
#if     defined(__DragonFly__)
                switch (comp->c_code) {
                case MTIOCERRSTAT:
                {
                        int i;
                        union mterrstat umn;
                        struct scsi_tape_errors *s = &umn.scsi_errstat;

                        if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0)
                                err(2, "%s", tape);
                        (void)printf("Last I/O Residual: %u\n", s->io_resid);
                        (void)printf(" Last I/O Command:");
                        for (i = 0; i < sizeof (s->io_cdb); i++)
                                (void)printf(" %02X", s->io_cdb[i]);
                        (void)printf("\n");
                        (void)printf("   Last I/O Sense:\n\n\t");
                        for (i = 0; i < sizeof (s->io_sense); i++) {
                                (void)printf(" %02X", s->io_sense[i]);
                                if (((i + 1) & 0xf) == 0) {
                                        (void)printf("\n\t");
                                }
                        }
                        (void)printf("\n");
                        (void)printf("Last Control Residual: %u\n",
                            s->ctl_resid);
                        (void)printf(" Last Control Command:");
                        for (i = 0; i < sizeof (s->ctl_cdb); i++)
                                (void)printf(" %02X", s->ctl_cdb[i]);
                        (void)printf("\n");
                        (void)printf("   Last Control Sense:\n\n\t");
                        for (i = 0; i < sizeof (s->ctl_sense); i++) {
                                (void)printf(" %02X", s->ctl_sense[i]);
                                if (((i + 1) & 0xf) == 0) {
                                        (void)printf("\n\t");
                                }
                        }
                        (void)printf("\n\n");
                        exit(0);
                        /* NOTREACHED */
                }
                case MTIOCRDHPOS:
                case MTIOCRDSPOS:
                {
                        u_int32_t block;
                        if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
                                err(2, "%s", tape);
                        (void)printf("%s: %s block location %u\n", tape,
                            (comp->c_code == MTIOCRDHPOS)? "hardware" :
                            "logical", block);
                        exit(0);
                        /* NOTREACHED */
                }
                case MTIOCSLOCATE:
                case MTIOCHLOCATE:
                {
                        u_int32_t block = (u_int32_t)mt_com.mt_count;
                        if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
                                err(2, "%s", tape);
                        exit(0);
                        /* NOTREACHED */
                }
                case MTIOCGETEOTMODEL:
                {
                        u_int32_t om;
                        if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
                                err(2, "%s", tape);
                        (void)printf("%s: the model is %u filemar%s at EOT\n",
                            tape, om, (om > 1)? "ks" : "k");
                        exit(0);
                        /* NOTREACHED */
                }
                case MTIOCSETEOTMODEL:
                {
                        u_int32_t om, nm = (u_int32_t)mt_com.mt_count;
                        if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
                                err(2, "%s", tape);
                        if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0)
                                err(2, "%s", tape);
                        (void)printf("%s: old model was %u filemar%s at EOT\n",
                            tape, om, (om > 1)? "ks" : "k");
                        (void)printf("%s: new model  is %u filemar%s at EOT\n",
                            tape, nm, (nm > 1)? "ks" : "k");
                        exit(0);
                        /* NOTREACHED */
                }
                default:
                        break;
                }
#endif
                if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0)
                        err(1, "%s: %s", tape, comp->c_name);
        } else {
                if (ioctl(mtfd, MTIOCGET, &mt_status) < 0)
                        err(1, NULL);
                status(&mt_status);
        }
        exit(0);
        /* NOTREACHED */
}

#ifdef sun
#include <sundev/tmreg.h>
#include <sundev/arreg.h>
#endif

static struct tape_desc {
        short   t_type;         /* type of magtape device */
        char    *t_name;        /* printing name */
        char    *t_dsbits;      /* "drive status" register */
        char    *t_erbits;      /* "error" register */
} tapes[] = {
#ifdef sun
        { MT_ISCPC,     "TapeMaster",   TMS_BITS,       0 },
        { MT_ISAR,      "Archive",      ARCH_CTRL_BITS, ARCH_BITS },
#endif
#if defined (__DragonFly__)
        /*
         * XXX This is weird.  The st driver reports the tape drive
         * as 0x7 (MT_ISAR - Sun/Archive compatible); the wt driver
         * either reports MT_ISVIPER1 for an Archive tape, or 0x11
         * (MT_ISMFOUR) for other tapes.
         * XXX for the wt driver, rely on it behaving like a "standard"
         * magtape driver.
         */
        { MT_ISAR,      "SCSI tape drive", 0,           0 },
#endif /* defined (__DragonFly__) */
        { 0 }
};

/*
 * Interpret the status buffer returned
 */
static void
status(struct mtget *bp)
{
        struct tape_desc *mt;

        for (mt = tapes;; mt++) {
                if (mt->t_type == 0) {
                        (void)printf("%d: unknown tape drive type\n",
                            bp->mt_type);
                        return;
                }
                if (mt->t_type == bp->mt_type)
                        break;
        }
#if defined (__DragonFly__)
        if(mt->t_type == MT_ISAR)
                st_status(bp);
        else {
#endif /* defined (__DragonFly__) */
        (void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid);
        printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits);
        printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits);
        (void)putchar('\n');
#if defined (__DragonFly__)
        }
#endif /* defined (__DragonFly__) */
}

/*
 * Print a register a la the %b format of the kernel's printf.
 */
static void
printreg(char *s, u_int v, char *bits)
{
        int i, any = 0;
        char c;

        if (bits && *bits == 8)
                printf("%s=%o", s, v);
        else
                printf("%s=%x", s, v);
        if (!bits)
                return;
        bits++;
        if (v && bits) {
                putchar('<');
                while ((i = *bits++)) {
                        if (v & (1 << (i-1))) {
                                if (any)
                                        putchar(',');
                                any = 1;
                                for (; (c = *bits) > 32; bits++)
                                        putchar(c);
                        } else
                                for (; *bits > 32; bits++)
                                        ;
                }
                putchar('>');
        }
}

static void
usage(void)
{
        (void)fprintf(stderr, "usage: mt [-f device] command [ count ]\n");
        exit(1);
}

#if defined (__DragonFly__)

static struct densities {
        int dens;
        int bpmm;
        int bpi;
        const char *name;
} dens[] = {
        /*
         * Taken from T10 Project 997D 
         * SCSI-3 Stream Device Commands (SSC)
         * Revision 11, 4-Nov-97
         */
        /*Num.  bpmm    bpi     Reference     */
        { 0x1,  32,     800,    "X3.22-1983" },
        { 0x2,  63,     1600,   "X3.39-1986" },
        { 0x3,  246,    6250,   "X3.54-1986" },
        { 0x5,  315,    8000,   "X3.136-1986" },
        { 0x6,  126,    3200,   "X3.157-1987" },
        { 0x7,  252,    6400,   "X3.116-1986" },
        { 0x8,  315,    8000,   "X3.158-1987" },
        { 0x9,  491,    37871,  "X3.180" },
        { 0xA,  262,    6667,   "X3B5/86-199" },
        { 0xB,  63,     1600,   "X3.56-1986" },
        { 0xC,  500,    12690,  "HI-TC1" },
        { 0xD,  999,    25380,  "HI-TC2" },
        { 0xF,  394,    10000,  "QIC-120" },
        { 0x10, 394,    10000,  "QIC-150" },
        { 0x11, 630,    16000,  "QIC-320" },
        { 0x12, 2034,   51667,  "QIC-1350" },
        { 0x13, 2400,   61000,  "X3B5/88-185A" },
        { 0x14, 1703,   43245,  "X3.202-1991" },
        { 0x15, 1789,   45434,  "ECMA TC17" },
        { 0x16, 394,    10000,  "X3.193-1990" },
        { 0x17, 1673,   42500,  "X3B5/91-174" },
        { 0x18, 1673,   42500,  "X3B5/92-50" },
        { 0x19, 2460,   62500,  "DLTapeIII" },
        { 0x1A, 3214,   81633,  "DLTapeIV(20GB)" },
        { 0x1B, 3383,   85937,  "DLTapeIV(35GB)" },
        { 0x1C, 1654,   42000,  "QIC-385M" },
        { 0x1D, 1512,   38400,  "QIC-410M" },
        { 0x1E, 1385,   36000,  "QIC-1000C" },
        { 0x1F, 2666,   67733,  "QIC-2100C" },
        { 0x20, 2666,   67733,  "QIC-6GB(M)" },
        { 0x21, 2666,   67733,  "QIC-20GB(C)" },
        { 0x22, 1600,   40640,  "QIC-2GB(C)" },
        { 0x23, 2666,   67733,  "QIC-875M" },
        { 0x24, 2400,   61000,  "DDS-2" },
        { 0x25, 3816,   97000,  "DDS-3" },
        { 0x26, 3816,   97000,  "DDS-4" },
        { 0x27, 3056,   77611,  "Mammoth" },
        { 0x28, 1491,   37871,  "X3.224" },
        { 0x41, 3868,   98250,  "DLTapeIV(40GB)" },
        { 0x48, 5236,   133000, "SDLTapeI(110)" },
        { 0x49, 7598,   193000, "SDLTapeI(160)" },
        { 0, 0, 0, NULL }
};

static struct compression_types {
        u_int32_t       comp_number;
        const char      *name;
} comp_types[] = {
        { 0x00, "none" },
        { 0x00, "off" },
        { 0x10, "IDRC" },
        { 0x20, "DCLZ" },
        { 0xffffffff, "enable" },
        { 0xffffffff, "on" },
        { 0xf0f0f0f0, NULL}
};

static const char *
denstostring(int d)
{
        static char buf[20];
        struct densities *sd;

        /* densities 0 and 0x7f are handled as special cases */
        if (d == 0)
                return "default";
        if (d == 0x7f)
                return "same";
        for (sd = dens; sd->dens; sd++)
                if (sd->dens == d)
                        break;
        if (sd->dens == 0)
                sprintf(buf, "0x%02x", d);
        else 
                sprintf(buf, "0x%02x:%s", d, sd->name);
        return buf;
}

/*
 * Given a specific density number, return either the bits per inch or bits
 * per millimeter for the given density.
 */
static int
denstobp(int d, int bpi)
{
        struct densities *sd;

        for (sd = dens; sd->dens; sd++)
                if (sd->dens == d)
                        break;
        if (sd->dens == 0)
                return(0);
        else {
                if (bpi)
                        return(sd->bpi);
                else
                        return(sd->bpmm);
        }
}

static int
stringtodens(const char *s)
{
        struct densities *sd;
        size_t l = strlen(s);

        for (sd = dens; sd->dens; sd++)
                if (strncasecmp(sd->name, s, l) == 0)
                        break;
        return sd->dens;
}


static const char *
getblksiz(int bs)
{
        static char buf[25];
        if (bs == 0)
                return "variable";
        else {
                sprintf(buf, "%d bytes", bs);
                return buf;
        }
}

static const char *
comptostring(u_int32_t comp)
{
        static char buf[20];
        struct compression_types *ct;

        if (comp == MT_COMP_DISABLED)
                return "disabled";
        else if (comp == MT_COMP_UNSUPP)
                return "unsupported";

        for (ct = comp_types; ct->name; ct++)
                if (ct->comp_number == comp)
                        break;

        if (ct->comp_number == 0xf0f0f0f0) {
                sprintf(buf, "0x%x", comp);
                return(buf);
        } else
                return(ct->name);
}

static u_int32_t
stringtocomp(const char *s)
{
        struct compression_types *ct;
        size_t l = strlen(s);

        for (ct = comp_types; ct->name; ct++)
                if (strncasecmp(ct->name, s, l) == 0)
                        break;

        return(ct->comp_number);
}

static void
st_status(struct mtget *bp)
{
        printf("Mode      Density              Blocksize      bpi      "
               "Compression\n"
               "Current:  %-17s    %-12s   %-7d  %s\n"
               "---------available modes---------\n"
               "0:        %-17s    %-12s   %-7d  %s\n"
               "1:        %-17s    %-12s   %-7d  %s\n"
               "2:        %-17s    %-12s   %-7d  %s\n"
               "3:        %-17s    %-12s   %-7d  %s\n",
               denstostring(bp->mt_density), getblksiz(bp->mt_blksiz),
               denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp),
               denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0),
               denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0),
               denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1),
               denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1),
               denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2),
               denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2),
               denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3),
               denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3));

        if (bp->mt_dsreg != MTIO_DSREG_NIL) {
                auto char foo[32];
                const char *sfmt = "Current Driver State: %s.\n";
                printf("---------------------------------\n");
                switch (bp->mt_dsreg) {
                case MTIO_DSREG_REST:
                        printf(sfmt, "at rest");      
                        break;
                case MTIO_DSREG_RBSY:    
                        printf(sfmt, "Communicating with drive");
                        break;
                case MTIO_DSREG_WR:
                        printf(sfmt, "Writing");
                        break;
                case MTIO_DSREG_FMK:
                        printf(sfmt, "Writing Filemarks");
                        break;
                case MTIO_DSREG_ZER:
                        printf(sfmt, "Erasing");
                        break;
                case MTIO_DSREG_RD:
                        printf(sfmt, "Reading");
                        break;
                case MTIO_DSREG_FWD:
                        printf(sfmt, "Spacing Forward");
                        break;
                case MTIO_DSREG_REV:     
                        printf(sfmt, "Spacing Reverse");
                        break;
                case MTIO_DSREG_POS:
                        printf(sfmt,
                            "Hardware Positioning (direction unknown)");
                        break;
                case MTIO_DSREG_REW:
                        printf(sfmt, "Rewinding");
                        break;
                case MTIO_DSREG_TEN:
                        printf(sfmt, "Retensioning");
                        break;
                case MTIO_DSREG_UNL:
                        printf(sfmt, "Unloading");
                        break;
                case MTIO_DSREG_LD:
                        printf(sfmt, "Loading");
                        break;
                default:
                        (void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg);
                        printf(sfmt, foo);
                        break;
                }
        }
        if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 &&
            bp->mt_blkno == (daddr_t) -1)
                return;
        printf("---------------------------------\n");
        printf("File Number: %u\tRecord Number: %u\tResidual Count %d\n",
            bp->mt_fileno, bp->mt_blkno, bp->mt_resid);
}

static void
warn_eof(void)
{
        fprintf(stderr,
                "The \"eof\" command has been disabled.\n"
                "Use \"weof\" if you really want to write end-of-file marks,\n"
                "or \"eom\" if you rather want to skip to the end of "
                "recorded medium.\n");
        exit(1);
}

#endif /* defined (__DragonFly__) */