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/*
* Copyright 2003, 2005 Bernhard Walle <bernhard@bwalle.de>
* -------------------------------------------------------------------------------------------------
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 675 Mass
* Ave, Cambridge, MA 02139, USA.
*
* -------------------------------------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <locale.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gi18n.h>
#include "utils.h"
#ifndef BUFSIZ
#define BUFSIZ 512
#endif
#include "utils.h"
/* ---------------------------------------------------------------------------------------------- */
unsigned long min_array( unsigned long array[], int size )
{
int i;
unsigned long min = array[0];
for (i = 1; i < size; i++)
{
if (array[i] < min)
{
min = array[i];
}
}
return min;
}
/* ---------------------------------------------------------------------------------------------- */
unsigned long max_array( unsigned long array[], int size )
{
int i;
unsigned long max = array[0];
for (i = 1; i < size; i++)
{
if( array[i] > max )
{
max = array[i];
}
}
return max;
}
/* ---------------------------------------------------------------------------------------------- */
char* format_byte_humanreadable(char* string, int stringsize, double number, int digits, gboolean as_bits)
{
char* str = string;
char buffer[BUFSIZ], formatstring[BUFSIZ];
char* bufptr = buffer;
char* unit_names[] = { N_("Bps"), N_("KiBps"), N_("MiBps"), N_("GiBps") };
char* unit_names_bits[] = { N_("bps"), N_("Kbps"), N_("Mbps"), N_("Gbps") };
unsigned int uidx = 0;
double number_displayed = 0;
double thousand_divider = as_bits ? 1000 : 1024;
unsigned int i;
int numberOfIntegerChars, count;
struct lconv* localeinfo = localeconv();
int grouping = (int)localeinfo->grouping[0] == 0 ? INT_MAX : (int)localeinfo->grouping[0];
/* Start with kilo and adapt to bits values*/
uidx = 1;
number_displayed = number / thousand_divider;
if (as_bits)
{
number_displayed *= 8;
}
/* sensible value for digits */
if (digits < 0 || digits >= 10)
{
digits = 2;
}
/* 1 digit for values above MiB/s unit size */
if (digits > 1 && number_displayed > thousand_divider * thousand_divider)
{
digits = 1;
}
/* calculate number and appropriate unit size for display */
while(number_displayed >= thousand_divider && uidx < (sizeof(unit_names) / sizeof(unit_names[0]) - 1))
{
number_displayed /= thousand_divider;
uidx++;
}
/* format number first */
snprintf(formatstring, BUFSIZ, "%%.%df", digits);
snprintf(buffer, BUFSIZ, formatstring, number_displayed);
/* get the number of integer characters */
count = numberOfIntegerChars = ( digits > 0
? (unsigned int)( strstr( buffer, localeinfo->decimal_point ) - buffer )
: strlen( buffer ) );
/* check for length */
if( numberOfIntegerChars / grouping + (int)strlen( buffer ) > stringsize )
{
return NULL;
}
/* insert the thousands separator */
while (*bufptr != 0 && *bufptr != localeinfo->decimal_point[0])
{
if (count % grouping == 0 && count != numberOfIntegerChars)
{
for (i = 0; i < strlen( localeinfo->thousands_sep ); i++)
{
*str++ = localeinfo->thousands_sep[i];
}
}
*str++ = *bufptr++;
count--;
}
/* Copy the rest of the number */
while (digits > 0 && *bufptr != 0)
{
*str++ = *bufptr++;
}
/* Add space */
*str++ = ' ';
/* terminate with 0 finally */
*str = 0;
/* Add the unit name */
g_strlcat(string, as_bits ? _(unit_names_bits[uidx]) : _(unit_names[uidx]), stringsize);
return string;
}
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