1 /* 2 * Written By Julian ELischer 3 * Copyright julian Elischer 1993. 4 * Permission is granted to use or redistribute this file in any way as long 5 * as this notice remains. Julian Elischer does not guarantee that this file 6 * is totally correct for any given task and users of this file must 7 * accept responsibility for any damage that occurs from the application of this 8 * file. 9 * 10 * (julian@tfs.com julian@dialix.oz.au) 11 * 12 * User SCSI hooks added by Peter Dufault: 13 * 14 * Copyright (c) 1994 HD Associates 15 * (contact: dufault@hda.com) 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. The name of HD Associates 27 * may not be used to endorse or promote products derived from this software 28 * without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 */ 42 /* 43 * Taken from the original scsi(8) program. 44 * from: scsi.c,v 1.17 1998/01/12 07:57:57 charnier Exp $"; 45 */ 46 #include <sys/cdefs.h> 47 __FBSDID("$FreeBSD$"); 48 49 #include <sys/stdint.h> 50 #include <sys/types.h> 51 52 #include <stdlib.h> 53 #include <stdio.h> 54 #include <string.h> 55 56 #include <camlib.h> 57 #include "camcontrol.h" 58 59 int verbose; 60 61 /* iget: Integer argument callback 62 */ 63 int 64 iget(void *hook, char *name) 65 { 66 struct get_hook *h = (struct get_hook *)hook; 67 int arg; 68 69 if (h->got >= h->argc) 70 { 71 fprintf(stderr, "Expecting an integer argument.\n"); 72 usage(0); 73 exit(1); 74 } 75 arg = strtol(h->argv[h->got], 0, 0); 76 h->got++; 77 78 if (verbose && name && *name) 79 printf("%s: %d\n", name, arg); 80 81 return arg; 82 } 83 84 /* cget: char * argument callback 85 */ 86 char * 87 cget(void *hook, char *name) 88 { 89 struct get_hook *h = (struct get_hook *)hook; 90 char *arg; 91 92 if (h->got >= h->argc) 93 { 94 fprintf(stderr, "Expecting a character pointer argument.\n"); 95 usage(0); 96 exit(1); 97 } 98 arg = h->argv[h->got]; 99 h->got++; 100 101 if (verbose && name) 102 printf("cget: %s: %s", name, arg); 103 104 return arg; 105 } 106 107 /* arg_put: "put argument" callback 108 */ 109 void 110 arg_put(void *hook __unused, int letter, void *arg, int count, char *name) 111 { 112 if (verbose && name && *name) 113 printf("%s: ", name); 114 115 switch(letter) 116 { 117 case 'i': 118 case 'b': 119 printf("%jd ", (intmax_t)(intptr_t)arg); 120 break; 121 122 case 'c': 123 case 'z': 124 { 125 char *p; 126 127 p = malloc(count + 1); 128 if (p == NULL) { 129 fprintf(stderr, "can't malloc memory for p\n"); 130 exit(1); 131 } 132 133 bzero(p, count +1); 134 strncpy(p, (char *)arg, count); 135 if (letter == 'z') 136 { 137 int i; 138 for (i = count - 1; i >= 0; i--) 139 if (p[i] == ' ') 140 p[i] = 0; 141 else 142 break; 143 } 144 printf("%s ", p); 145 146 free(p); 147 } 148 149 break; 150 151 default: 152 printf("Unknown format letter: '%c'\n", letter); 153 } 154 if (verbose) 155 putchar('\n'); 156 } 157 158 /* 159 * Get confirmation from user 160 * Return values: 161 * 1: confirmed 162 * 0: unconfirmed 163 */ 164 int 165 get_confirmation(void) 166 { 167 char str[1024]; 168 int response = -1; 169 170 do { 171 fprintf(stdout, "Are you SURE you want to do this? (yes/no) "); 172 if (fgets(str, sizeof(str), stdin) != NULL) { 173 if (strncasecmp(str, "yes", 3) == 0) 174 response = 1; 175 else if (strncasecmp(str, "no", 2) == 0) 176 response = 0; 177 else 178 fprintf(stdout, 179 "Please answer \"yes\" or \"no\"\n"); 180 } else 181 response = 0; 182 } while (response == -1); 183 return (response); 184 } 185