xref: /freebsd/usr.sbin/ctladm/util.c (revision 0f7f3352c8bc463607912e2463d13e52d44a4cae)
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 "ctladm.h"
58 
59 static 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