File: mount.ccc

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/* mount.ccc -- Misosys C program to switch emulated floppies 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 14:54:58 PST 1998 by mann */

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

usage()
{
    fprintf(stderr, "usage: mount [-l] file.dsk unit#\n");
    exit(1);
}

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

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

    if (argc < 2) {
	usage();
    }
    i = 1;
    if (argv[i][0] == '-') {
	if (tolower(argv[i][1]) != 'l') {
	    usage();
        }
	i++;
	lower = 1;
    } else {
	lower = 0;
    }
    if (argc - i != 2 || !isdigit(argv[i+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[i+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);
    }

    p = fname;
    q = argv[i];
    if (lower) {
	while (*q) {
	    if (*q == '[' && *(q+1)) {
		q++;
		*p++ = *q++;
	    } else if (isalpha(*q)) {
	        *p++ = tolower(*q++);
	    } else {
		*p++ = *q++;
 	    }
	}
    } else {
	while (*q) *p++ = *q++;
    }
    *p = '\000';

    sprintf(cmd, "ln -s %s %s", fname, 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);
}