echo.c revision 5c51f1241dbbdf2656d0e10011981411ed0c9673
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* System includes
*/
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <zone.h>
/*
* consolidation pkg command library includes
*/
#include "pkglib.h"
/*
* internal global variables
*/
static boolean_t debugFlag = B_FALSE; /* debug messages enabled? */
static boolean_t echoFlag = B_TRUE; /* interactive msgs enabled? */
/*
* *****************************************************************************
* global external (public) functions
* *****************************************************************************
*/
/*
* Name: echo
* Synopsis: Output an interactive message if interaction is enabled
* Description: Main method for outputting an interactive message; call to
* output interactive message if interation has not been disabled
* by a previous call to echoSetFlag(0).
* Arguments: format - [RO, RO*] (char *)
* printf-style format for debugging message to be output
* VARG_LIST - [RO] (?)
* arguments as appropriate to 'format' specified
* Returns: void
*/
/*PRINTFLIKE1*/
void
echo(char *fmt, ...)
{
va_list ap;
/* output message if echoing is enabled */
if (echoFlag == B_TRUE) {
va_start(ap, fmt);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
(void) putc('\n', stderr);
}
}
/*
* Name: echoDebug
* Synopsis: Output a debugging message if debugging is enabled
* Description: Main method for outputting a debugging message; call to
* output debugging message if debugging has been enabled
* by a previous call to echoDebugSetFlag(1).
* Arguments: format - [RO, RO*] (char *)
* printf-style format for debugging message to be output
* VARG_LIST - [RO] (?)
* arguments as appropriate to 'format' specified
* Returns: void
* NOTE: format of message will be:
* # [ aaa bbb ccc ] message
* where: aaa - process i.d.
* bbb - zone i.d.
* ccc - name of program
* for example:
* # [ 25685 0 pkgadd ] unable to get package list
*/
/*PRINTFLIKE1*/
void
echoDebug(char *a_fmt, ...)
{
va_list ap;
/* output debugging message if debugging is enabled */
if (debugFlag == B_TRUE) {
char *p = get_prog_name();
(void) fprintf(stderr, "# [%6d %3d", getpid(), getzoneid());
if ((p != (char *)NULL) && (*p != '\0')) {
fprintf(stderr, " %-11s", p);
}
(void) fprintf(stderr, "] ");
va_start(ap, a_fmt);
(void) vfprintf(stderr, a_fmt, ap);
va_end(ap);
(void) putc('\n', stderr);
}
}
/*
* get the "interactive message enabled" flag
*/
boolean_t
echoGetFlag(void) {
return (echoFlag);
}
/*
* set the "interactive message enabled" flag
*/
boolean_t
echoSetFlag(boolean_t a_echoFlag)
{
boolean_t oldvalue;
oldvalue = echoFlag;
echoFlag = a_echoFlag;
return (oldvalue);
}
/*
* get the "debugging message enabled" flag
*/
boolean_t
echoDebugGetFlag(void) {
return (debugFlag);
}
/*
* set the "debugging message enabled" flag
*/
boolean_t
echoDebugSetFlag(boolean_t a_debugFlag)
{
boolean_t oldvalue;
oldvalue = debugFlag;
debugFlag = a_debugFlag;
return (oldvalue);
}