root/usr.sbin/ctladm/util.c
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Written By Julian ELischer
 * Copyright julian Elischer 1993.
 * Permission is granted to use or redistribute this file in any way as long
 * as this notice remains. Julian Elischer does not guarantee that this file
 * is totally correct for any given task and users of this file must
 * accept responsibility for any damage that occurs from the application of this
 * file.
 *
 * (julian@tfs.com julian@dialix.oz.au)
 *
 * User SCSI hooks added by Peter Dufault:
 *
 * Copyright (c) 1994 HD Associates
 * (contact: dufault@hda.com)
 * 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. The name of HD Associates
 *    may not be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES ``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 HD ASSOCIATES 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.
 */
/*
 * Taken from the original scsi(8) program.
 * from: scsi.c,v 1.17 1998/01/12 07:57:57 charnier Exp $";
 */
#include <sys/cdefs.h>
#include <sys/stdint.h>
#include <sys/types.h>

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <camlib.h>
#include "ctladm.h"

static int verbose;

/* iget: Integer argument callback
 */
int
iget(void *hook, char *name)
{
        struct get_hook *h = (struct get_hook *)hook;
        int arg;

        if (h->got >= h->argc)
        {
                fprintf(stderr, "Expecting an integer argument.\n");
                usage(0);
                exit(1);
        }
        arg = strtol(h->argv[h->got], 0, 0);
        h->got++;

        if (verbose && name && *name)
                printf("%s: %d\n", name, arg);

        return arg;
}

/* cget: char * argument callback
 */
char *
cget(void *hook, char *name)
{
        struct get_hook *h = (struct get_hook *)hook;
        char *arg;

        if (h->got >= h->argc)
        {
                fprintf(stderr, "Expecting a character pointer argument.\n");
                usage(0);
                exit(1);
        }
        arg = h->argv[h->got];
        h->got++;

        if (verbose && name)
                printf("cget: %s: %s", name, arg);

        return arg;
}

/* arg_put: "put argument" callback
 */
void
arg_put(void *hook __unused, int letter, void *arg, int count, char *name)
{
        if (verbose && name && *name)
                printf("%s:  ", name);

        switch(letter)
        {
                case 'i':
                case 'b':
                printf("%jd ", (intmax_t)(intptr_t)arg);
                break;

                case 'c':
                case 'z':
                {
                        char *p;

                        p = malloc(count + 1);
                        if (p == NULL) {
                                fprintf(stderr, "can't malloc memory for p\n");
                                exit(1);
                        }

                        bzero(p, count +1);
                        strncpy(p, (char *)arg, count);
                        if (letter == 'z')
                        {
                                int i;
                                for (i = count - 1; i >= 0; i--)
                                        if (p[i] == ' ')
                                                p[i] = 0;
                                        else
                                                break;
                        }
                        printf("%s ", p);

                        free(p);
                }

                break;

                default:
                printf("Unknown format letter: '%c'\n", letter);
        }
        if (verbose)
                putchar('\n');
}