/*****************************************************************************
 *
 * utils_base.c
 *
 * Library of useful functions for plugins
 * These functions are tested with libtap. See tests/ directory
 *
 * Copyright (c) 2006 Nagios Plugin Development Team
 * License: GPL
 *
 * $Revision: 1768 $
 * $Date: 2007-07-29 13:42:05 +0100 (Sun, 29 Jul 2007) $
 ****************************************************************************/

#include <stdarg.h>
#include "common.h"
#include "utils_base.h"

void
die (int result, const char *fmt, ...)
{
	va_list ap;
	va_start (ap, fmt);
	vprintf (fmt, ap);
	va_end (ap);
	exit (result);
}

void set_range_start (range *this, double value) {
	this->start = value;
	this->start_infinity = FALSE;
}

void set_range_end (range *this, double value) {
	this->end = value;
	this->end_infinity = FALSE;
}

range
*parse_range_string (char *str) {
	range *temp_range;
	double start;
	double end;
	char *end_str;

	temp_range = (range *) malloc(sizeof(range));

	/* Set defaults */
	temp_range->start = 0;
	temp_range->start_infinity = FALSE;
	temp_range->end = 0;
	temp_range->end_infinity = TRUE;
	temp_range->alert_on = OUTSIDE;

	if (str[0] == '@') {
		temp_range->alert_on = INSIDE;
		str++;
	}

	end_str = index(str, ':');
	if (end_str != NULL) {
		if (str[0] == '~') {
			temp_range->start_infinity = TRUE;
		} else {
			start = strtod(str, NULL);	/* Will stop at the ':' */
			set_range_start(temp_range, start);
		}
		end_str++;		/* Move past the ':' */
	} else {
		end_str = str;
	}
	end = strtod(end_str, NULL);
	if (strcmp(end_str, "") != 0) {
		set_range_end(temp_range, end);
	}

	if (temp_range->start_infinity == TRUE || 
		temp_range->end_infinity == TRUE ||
		temp_range->start <= temp_range->end) {
		return temp_range;
	}
	free(temp_range);
	return NULL;
}

/* returns 0 if okay, otherwise 1 */
int
_set_thresholds(thresholds **my_thresholds, char *warn_string, char *critical_string)
{
	thresholds *temp_thresholds = NULL;

	temp_thresholds = malloc(sizeof(temp_thresholds));

	temp_thresholds->warning = NULL;
	temp_thresholds->critical = NULL;

	if (warn_string != NULL) {
		if ((temp_thresholds->warning = parse_range_string(warn_string)) == NULL) {
			return NP_RANGE_UNPARSEABLE;
		}