/* umount.ccc -- Misosys C program to unmount an emulated floppy on xtrs */
/* Copyright (c) 1998, Timothy Mann */

/* This software may be copied, modified, and used for any purpose
 * without fee, provided that (1) the above copyright notice is
 * retained, and (2) modified versions are clearly marked as having
 * been modified, with the modifier's name and the date included.  */

/* Last modified on Tue Dec 15 15:21:16 PST 1998 by mann */

#option redirect 0
#include "xtrsemt.h"
#include "xtrsemt.ccc"  /* could use separate compilation instead */

usage()
{
    fprintf(stderr, "usage: umount unit#\n");
    exit(1);
}

#define DDIRSIZE 256
#define DNAMESIZE 512
#define CMDSIZE 512
#define ERRBUFSIZE 512

int main(argc, argv)
     int argc;
     char **argv;
{
    char ddir[DDIRSIZE];
    char dname[DNAMESIZE], cmd[CMDSIZE];
    char errbuf[ERRBUFSIZE];
    char model[4];
    int hl, bc, de, ret;
    char *retp;

    if (argc != 2 || !isdigit(argv[1][0])) {
	usage();
    }
    retp = emt_gtddir(ddir, DDIRSIZE);
    if (retp == NULL) {
	emt_strerror(errno, errbuf, ERRBUFSIZE);
	fprintf(stderr, "emt_getddir: %s\n", errbuf);
	exit(1);
    }
    emt_4misc(EMT_MISC_QUERY_MODEL, &hl, &bc, &de);
    if (hl == 5) {
	strcpy(model, "4p");
    } else {
	sprintf(model, "%d", hl);
    }
    sprintf(dname, "%s/disk%s-%s", ddir, model, argv[1]);
    sprintf(cmd, "rm -f %s", dname);
    /*printf("$ %s\n", cmd);*/
    ret = emt_system(cmd);
    if (ret != 0) {
	emt_strerror(errno, errbuf, ERRBUFSIZE);
	fprintf(stderr, "emt_system: %s\n", errbuf);
	exit(1);
    }
    emt_misc(EMT_MISC_DISK_CHANGE);
    exit(0);
}