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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <errno.h>
#include <libintl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "volume_output.h"
#include "volume_error.h"
static int max_verbosity = OUTPUT_QUIET;
static FILE *output = NULL;
/*
* Set the maximum level of verbosity to be reported to the user.
* Strings sent to oprintf() with a higher verbosity level than this
* maximum level will not be reported to the user.
*
* @param verbosity
* One of the predefined constants:
* OUTPUT_QUIET
* OUTPUT_TERSE
* OUTPUT_VERBOSE
* OUTPUT_DEBUG
*
* @param stream
* The stream to print all qualifying output to.
*
* @return 0 on success, non-zero otherwise.
*/
int
set_max_verbosity(
int verbosity,
FILE *stream)
{
int error = 0;
switch (verbosity) {
case OUTPUT_QUIET:
case OUTPUT_TERSE:
case OUTPUT_VERBOSE:
case OUTPUT_DEBUG:
max_verbosity = verbosity;
output = stream;
break;
default:
volume_set_error(
gettext("%d: invalid verbosity level"), verbosity);
error = -1;
}
return (error);
}
/*
* Get the maximum level of verbosity to be reported to the user.
*
* @return OUTPUT_QUIET
*
* @return OUTPUT_TERSE
*
* @return OUTPUT_VERBOSE
*
* @return OUTPUT_DEBUG
*/
int
get_max_verbosity()
{
return (max_verbosity);
}
/*
* Prints the given formatted string arguments to a predefined stream,
* if the given verbosity is less than or equal to the set maximum
* verbosity.
*
* @param verbosity
* Same as for set_max_verbosity()
*
* @param fmt, ...
* printf-style arguments
*
* @return the number of characters output
* if successful
*
* @return negative value
* if unsuccessful
*/
int
oprintf(
int verbosity,
char *fmt,
...)
{
int ret;
va_list ap;
va_start(ap, fmt);
ret = oprintf_va(verbosity, fmt, ap);
va_end(ap);
return (ret);
}
/*
* Identical to oprintf but with a va_list instead of variable length
* argument list. This function is provided for external printf-style
* wrappers.
*
* @param verbosity
* Same as for set_max_verbosity()
*
* @param fmt
* printf format string
*
* @param ap
* a va_list containing remaining printf-style arguments
*
* @return the number of characters output
* if successful
*
* @return negative value
* if unsuccessful
*/
/*PRINTFLIKE2*/
int
oprintf_va(
int verbosity,
char *fmt,
va_list ap)
{
int ret = 0;
/* Is this verbosity high enough to print? */
if (output != NULL && verbosity <= max_verbosity) {
#ifdef DEBUG
if (getenv(METASSIST_DEBUG_ENV) != NULL) {
time_t now = time(NULL);
struct tm *time = localtime(&now);
fprintf(output, "%.2d:%.2d:%.2d: ",
time->tm_hour, time->tm_min, time->tm_sec);
}
#endif
ret = vfprintf(output, fmt, ap);
}
return (ret);
}
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