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/*
* Copyright (C) 1996-2026 The Squid Software Foundation and contributors
*
* Squid software is distributed under GPLv2+ license and includes
* contributions from numerous individuals and organizations.
* Please see the COPYING and CONTRIBUTORS files for details.
*/
#define _etext etext
#include "squid.h"
#include "util.h"
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_CTYPE_H
#include <ctype.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_MATH_H
#include <math.h>
#endif
void
Tolower(char *q)
{
char *s = q;
while (*s) {
*s = xtolower(*s);
s++;
}
}
/* somewhat safer calculation of %s */
double
xpercent(double part, double whole)
{
return xdiv(100 * part, whole);
}
int
xpercentInt(double part, double whole)
{
return (int) rint(xpercent(part, whole));
}
/* somewhat safer division */
double
xdiv(double nom, double denom)
{
return (denom != 0.0) ? nom / denom : -1.0;
}
/* integer to string */
const char *
xitoa(int num)
{
static char buf[24]; /* 2^64 = 18446744073709551616 */
snprintf(buf, sizeof(buf), "%d", num);
return buf;
}
/* int64_t to string */
const char *
xint64toa(int64_t num)
{
static char buf[24]; /* 2^64 = 18446744073709551616 */
snprintf(buf, sizeof(buf), "%" PRId64, num);
return buf;
}
const char *
double_to_str(char *buf, int buf_size, double value)
{
/* select format */
if (value < 1e9)
snprintf(buf, buf_size, "%.2f MB", value / 1e6);
else if (value < 1e12)
snprintf(buf, buf_size, "%.3f GB", value / 1e9);
else
snprintf(buf, buf_size, "%.4f TB", value / 1e12);
return buf;
}
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