1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28/* All Rights Reserved */
29
30
31
32/*
33 * System includes
34 */
35
36#include <stdio.h>
37#include <stdarg.h>
38#include <unistd.h>
39#include <fcntl.h>
40#include <sys/types.h>
41#include <zone.h>
42
43/*
44 * consolidation pkg command library includes
45 */
46
47#include "pkglib.h"
48
49/*
50 * internal global variables
51 */
52
53static boolean_t	debugFlag = B_FALSE;	/* debug messages enabled? */
54static boolean_t	echoFlag = B_TRUE;	/* interactive msgs enabled? */
55
56/*
57 * *****************************************************************************
58 * global external (public) functions
59 * *****************************************************************************
60 */
61
62/*
63 * Name:	echo
64 * Synopsis:	Output an interactive message if interaction is enabled
65 * Description:	Main method for outputting an interactive message; call to
66 *		output interactive message if interation has not been disabled
67 *		by a previous call to echoSetFlag(0).
68 * Arguments:	format - [RO, RO*] (char *)
69 *			printf-style format for debugging message to be output
70 *		VARG_LIST - [RO] (?)
71 *			arguments as appropriate to 'format' specified
72 * Returns:	void
73 */
74
75/*PRINTFLIKE1*/
76void
77echo(char *fmt, ...)
78{
79	va_list ap;
80
81	/* output message if echoing is enabled */
82
83	if (echoFlag == B_TRUE) {
84		va_start(ap, fmt);
85
86		(void) vfprintf(stderr, fmt, ap);
87
88		va_end(ap);
89
90		(void) putc('\n', stderr);
91	}
92}
93
94/*
95 * Name:	echoDebug
96 * Synopsis:	Output a debugging message if debugging is enabled
97 * Description:	Main method for outputting a debugging message; call to
98 *		output debugging message if debugging has been enabled
99 *		by a previous call to echoDebugSetFlag(1).
100 * Arguments:	format - [RO, RO*] (char *)
101 *			printf-style format for debugging message to be output
102 *		VARG_LIST - [RO] (?)
103 *			arguments as appropriate to 'format' specified
104 * Returns:	void
105 * NOTE:	format of message will be:
106 *			# [ aaa bbb ccc ] message
107 *		where:	aaa - process i.d.
108 *			bbb - zone i.d.
109 *			ccc - name of program
110 * 		for example:
111 *			# [ 25685   0 pkgadd     ] unable to get package list
112 */
113
114/*PRINTFLIKE1*/
115void
116echoDebug(char *a_fmt, ...)
117{
118	va_list ap;
119
120	/* output debugging message if debugging is enabled */
121
122	if (debugFlag == B_TRUE) {
123		char	*p = get_prog_name();
124
125		(void) fprintf(stderr, "# [%6d %3d", getpid(), getzoneid());
126
127		if ((p != (char *)NULL) && (*p != '\0')) {
128			fprintf(stderr, " %-11s", p);
129		}
130
131		(void) fprintf(stderr, "] ");
132
133		va_start(ap, a_fmt);
134
135		(void) vfprintf(stderr, a_fmt, ap);
136
137		va_end(ap);
138
139		(void) putc('\n', stderr);
140	}
141}
142
143/*
144 * get the "interactive message enabled" flag
145 */
146
147boolean_t
148echoGetFlag(void) {
149	return (echoFlag);
150}
151
152/*
153 * set the "interactive message enabled" flag
154 */
155
156boolean_t
157echoSetFlag(boolean_t a_echoFlag)
158{
159	boolean_t	oldvalue;
160
161	oldvalue = echoFlag;
162	echoFlag = a_echoFlag;
163	return (oldvalue);
164}
165
166/*
167 * get the "debugging message enabled" flag
168 */
169
170boolean_t
171echoDebugGetFlag(void) {
172	return (debugFlag);
173}
174
175/*
176 * set the "debugging message enabled" flag
177 */
178
179boolean_t
180echoDebugSetFlag(boolean_t a_debugFlag)
181{
182	boolean_t	oldvalue;
183
184	oldvalue = debugFlag;
185	debugFlag = a_debugFlag;
186	return (oldvalue);
187}
188