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/* string_util.c
*
* The client actually uses lots of string functions, mostly to format the
* information it displays. This module provides housing for all these
* string functions.
*
*/
#include "config.h"
#include "copyright.h"
#include <stdio.h>
char *itoapad(int val, char *result, int pad, int prec)
{
int lead_digit = 0, i, j, too_big = 1, h = 1;
if (prec != 0)
result[prec] = '\0';
/* Careful!!! maximum number convertable must be <=100000000. size < 9 */
for (i = 100000000, j = 0; i && h <= prec; i /= 10, j++)
{
if ((9 - prec) > j && too_big)
continue;
else if (h)
{
j = 0;
too_big = 0;
h = 0;
}
result[j] = (val % (i * 10)) / i + '0';
if (result[j] != '0' && !lead_digit)
lead_digit = 1;
if (!lead_digit && !pad)
if ((result[j] = (val % (i * 10)) / i + '0') == '0')
result[j] = ' ';
}
if (val == 0)
result[prec - 1] = '0';
return (result);
}
char *ftoa(float fval, char *result, int pad, int iprec, int dprec)
{
int i, ival;
float val = fval;
if ((iprec + dprec) != 0)
result[iprec + dprec + 1] = '\0';
for (i = 0; i < dprec; i++)
val *= 10.0;
ival = val;
itoapad(ival, result, pad, iprec + dprec);
for (i = (iprec + dprec); i >= iprec; i--)
if (result[i] == ' ')
result[i + 1] = '0';
else
result[i + 1] = result[i];
result[iprec] = '.';
if (fval < 1.0)
result[iprec - 1] = '0';
return (result);
}
char *
format(char *buf, char *from, int width, int right_justify)
{
int len = strlen(from), i;
if (len > width)
len = width;
buf[width] = '\0';
if (right_justify)
{
STRNCPY(&(buf[width - len]), from, len);
for (i = 0; i < (width - len); i++)
buf[i] = ' ';
}
else
{
STRNCPY(buf, from, len);
for (i = len; i < width; i++)
buf[i] = ' ';
}
return (buf);
}
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