util.c revision 64382 
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 $";
45 */
46#ifndef lint
47static const char rcsid[] =
48  "$FreeBSD: head/sbin/camcontrol/util.c 64382 2000-08-08 06:24:17Z kbyanc $";
49#endif /* not lint */
50
51#include <stdlib.h>
52#include <stdio.h>
53#include <string.h>
54#include <sys/types.h>
55
56#include <camlib.h>
57#include "camcontrol.h"
58
59int verbose;
60
61/* iget: Integer argument callback
62 */
63int
64iget(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 */
86char *
87cget(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 */
109void
110arg_put(void *hook, 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("%d ", (intptr_t)arg);
120		break;
121
122		case 'c':
123		case 'z':
124		{
125			char *p;
126
127			p = malloc(count + 1);
128
129			bzero(p, count +1);
130			strncpy(p, (char *)arg, count);
131			if (letter == 'z')
132			{
133				int i;
134				for (i = count - 1; i >= 0; i--)
135					if (p[i] == ' ')
136						p[i] = 0;
137					else
138						break;
139			}
140			printf("%s ", p);
141
142			free(p);
143		}
144
145		break;
146
147		default:
148		printf("Unknown format letter: '%c'\n", letter);
149	}
150	if (verbose)
151		putchar('\n');
152}
153