186 lines
4.3 KiB
C
186 lines
4.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Written By Julian ELischer
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* Copyright julian Elischer 1993.
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* Permission is granted to use or redistribute this file in any way as long
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* as this notice remains. Julian Elischer does not guarantee that this file
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* is totally correct for any given task and users of this file must
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* accept responsibility for any damage that occurs from the application of this
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* file.
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*
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* (julian@tfs.com julian@dialix.oz.au)
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*
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* User SCSI hooks added by Peter Dufault:
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*
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* Copyright (c) 1994 HD Associates
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* (contact: dufault@hda.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of HD Associates
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* may not be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Taken from the original scsi(8) program.
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* from: scsi.c,v 1.17 1998/01/12 07:57:57 charnier Exp $";
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/stdint.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <camlib.h>
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#include "camcontrol.h"
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int verbose;
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/* iget: Integer argument callback
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*/
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int
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iget(void *hook, char *name)
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{
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struct get_hook *h = (struct get_hook *)hook;
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int arg;
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if (h->got >= h->argc)
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{
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fprintf(stderr, "Expecting an integer argument.\n");
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usage(0);
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exit(1);
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}
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arg = strtol(h->argv[h->got], 0, 0);
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h->got++;
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if (verbose && name && *name)
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printf("%s: %d\n", name, arg);
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return arg;
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}
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/* cget: char * argument callback
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*/
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char *
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cget(void *hook, char *name)
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{
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struct get_hook *h = (struct get_hook *)hook;
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char *arg;
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if (h->got >= h->argc)
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{
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fprintf(stderr, "Expecting a character pointer argument.\n");
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usage(0);
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exit(1);
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}
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arg = h->argv[h->got];
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h->got++;
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if (verbose && name)
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printf("cget: %s: %s", name, arg);
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return arg;
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}
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/* arg_put: "put argument" callback
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*/
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void
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arg_put(void *hook __unused, int letter, void *arg, int count, char *name)
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{
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if (verbose && name && *name)
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printf("%s: ", name);
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switch(letter)
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{
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case 'i':
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case 'b':
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printf("%jd ", (intmax_t)(intptr_t)arg);
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break;
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case 'c':
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case 'z':
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{
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char *p;
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p = calloc(1, count + 1);
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if (p == NULL) {
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fprintf(stderr, "can't malloc memory for p\n");
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exit(1);
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}
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strlcpy(p, (char *)arg, count + 1);
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if (letter == 'z')
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{
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int i;
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for (i = count - 1; i >= 0; i--)
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if (p[i] == ' ')
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p[i] = 0;
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else
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break;
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}
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printf("%s ", p);
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free(p);
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}
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break;
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default:
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printf("Unknown format letter: '%c'\n", letter);
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}
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if (verbose)
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putchar('\n');
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}
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/*
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* Get confirmation from user
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* Return values:
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* 1: confirmed
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* 0: unconfirmed
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*/
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int
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get_confirmation(void)
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{
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char str[1024];
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int response = -1;
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do {
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fprintf(stdout, "Are you SURE you want to do this? (yes/no) ");
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if (fgets(str, sizeof(str), stdin) != NULL) {
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if (strncasecmp(str, "yes", 3) == 0)
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response = 1;
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else if (strncasecmp(str, "no", 2) == 0)
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response = 0;
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else
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fprintf(stdout,
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"Please answer \"yes\" or \"no\"\n");
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} else
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response = 0;
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} while (response == -1);
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return (response);
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}
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