/*      $NetBSD: rawwrite.c,v 1.11 2009/10/20 19:10:11 snj Exp $        */

/*
 * Copyright (c) 1995 Leo Weppelman.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include <osbind.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include "libtos.h"

#define SECT_SIZE       512             /* Sector size                  */
#define NSECT_DD        18              /* Sectors per cylinder 720Kb   */
#define NSECT_HD        36              /* Sectors per cylinder 1.44Mb  */
#define NTRK            80              /* Number of tracks             */

static void help    PROTO((void));
static void usage   PROTO((void));
static void brwrite PROTO((char *, int, int));

char    buf[NSECT_HD * SECT_SIZE];
int     h_flag = 0;     /* Show help                                    */
int     v_flag = 0;     /* Verbose (a dot for each track copied)        */
int     V_flag = 0;     /* Show version                                 */
char    *progname;

const char version[] = "$Revision: 1.11 $";

int
main(int argc, char *argv[])
{
        extern  int     optind;
        extern  char    *optarg;
        int             ch;
        char            *infile;
        int             fd;
        int             i, n;
        int             nsect;

        progname = argv[0];
        init_toslib(argv[0]);

        nsect  = NSECT_DD;

        while ((ch = getopt(argc, argv, "hHvVwo:")) != -1) {
                switch (ch) {
                        case 'h':
                                h_flag = 1;
                                break;
                        case 'H':
                                nsect  = NSECT_HD;
                                break;
                        case 'o':
                                redirect_output(optarg);
                                break;
                        case 'v':
                                v_flag = 1;
                                break;
                        case 'V':
                                V_flag = 1;
                                break;
                        case 'w':
                                set_wait_for_key();
                                break;
                        default :
                                usage();
                                break;
                }
        }
        if (h_flag)
                help();
        if (V_flag)
                eprintf("%s\r\n", version);

        if (optind >= argc)
                usage();

        infile = argv[optind];

        if ((fd = open(infile, O_RDONLY)) < 0)
                fatal(-1, "Cannot open '%s'\n", infile);

        for (i = 0; i < NTRK; i++) {
                n = read(fd, buf, nsect * SECT_SIZE);
                if (n == 0) {
                        eprintf("Only %d tracks in input file\r\n", i);
                        break;
                }
                if (n < 0)
                    fatal(-1, "\n\rRead error on '%s'\n", infile);
                if (n != (nsect * SECT_SIZE))
                    fatal(-1, "\n\rUnexpected short-read on '%s'\n", infile);
                if (v_flag) {
                        if (i && !(i % 40))
                                eprintf("\r\n");
                        eprintf(".");
                }
                brwrite(buf, i, nsect);
        }
        close(fd);
        if (v_flag)
                eprintf("\r\n");
        xexit(0);
}

static void
brwrite(char *buf, int trk, int spt)
{
        /*
         * These need to be static with my version of osbind.h :-(
         */
        static u_char   trbuf[NSECT_HD * SECT_SIZE * 2];
        static u_int    sideno  = 0;

        for (sideno = 0; sideno < 2; sideno++) {
                if (Flopfmt(trbuf, 0, 0, spt/2, trk, sideno, 1,
                                                0x87654321, 0xe5e5))
                        fatal(-1, "Format error");
                if (Flopwr(buf, 0, 0, 1, trk, sideno, spt/2))
                        fatal(-1, "Write error");
                buf += (spt/2) * SECT_SIZE;
        }
}
static void
usage(void)
{
        eprintf("Usage: %s [-hvVw] [-o <log-file>] <infile>\r\n", progname);
        xexit(1);
}

static void
help(void)
{
        eprintf("\r
write a raw floppy-image to disk\r
\r
Usage: %s [-hvVw] [-o <log-file>] <infile>\r
\r
Description of options:\r
\r
\t-h  What you're getting right now.\r
\t-H  Write high density floppies.\r
\t-o  Write output to both <output file> and stdout.\r
\t-v  Show a '.' for each track written.\r
\t-V  Print program version.\r
\t-w  Wait for a keypress before exiting.\r
", progname);
        xexit(0);
}