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/*
** Copyright 2001 Double Precision, Inc.
** See COPYING for distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "numlib.h"
#include <string.h>
static const char rcsid[]="$Id: strsize.c,v 1.2 2003/01/05 04:01:17 mrsam Exp $";
static void cat_n(char *buf, unsigned long n)
{
char bb[NUMBUFSIZE+1];
char *p=bb+sizeof(bb)-1;
*p=0;
do
{
*--p = "0123456789"[n % 10];
n=n/10;
} while (n);
strcat(buf, p);
}
char *libmail_str_sizekb(unsigned long n, char *sizebuf)
{
/* If size is less than 1K bytes, display it as 0.xK */
if (n < 1024)
{
strcpy(sizebuf, "0.");
cat_n(sizebuf, (int)(10 * n / 1024 ));
strcat(sizebuf, "K");
}
/* If size is less than 1 meg, display is as xK */
else if (n < 1024 * 1024)
{
*sizebuf=0;
cat_n(sizebuf, (unsigned long)(n+512)/1024);
strcat(sizebuf, "K");
}
/* Otherwise, display in megabytes */
else
{
unsigned long nm=(double)n / (1024.0 * 1024.0) * 10;
*sizebuf=0;
cat_n( sizebuf, nm / 10);
strcat(sizebuf, ".");
cat_n( sizebuf, nm % 10);
strcat(sizebuf, "M");
}
return (sizebuf);
}
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