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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
#include <string.h>
#include <errno.h>
#include <stdarg.h>
#include "defs.h"
#include "format.h"
static const char ver_ctrl_id[] = "$Id: format.c 36 2004-04-27 16:52:02Z patrik $";
static char *ichars = "0123456789abcdefghijklmnopqrstuvwxyz";
char *istr (int i, int base, char *tmp)
{
int n;
bool negative = FALSE;
tmp[n = 39] = '\0';
if (i < 0)
{
negative = TRUE;
i = 0 - i;
}
do
tmp[--n] = ichars[i % base];
while (i /= base);
if (negative)
tmp[--n] = '-';
return (tmp + n);
}
char *uistr (unsigned int u, int base, char *tmp)
{
int n;
tmp[n = 39] = '\0';
do
tmp[--n] = ichars[u % base];
while (u /= base);
return (tmp + n);
}
int formatv (char *buf, int size, char *fmt, va_list ap)
{
char *p;
int len;
char tmp[40];
char *lim;
char *start;
lim = buf + size;
start = buf;
for (; *fmt; fmt++)
if ('%' == *fmt)
{
fmt++;
vachar(*fmt, ap, len);
for (; len; len--)
{
*buf++ = *p++;
if (buf >= lim)
goto done;
}
}
else
{
*buf++ = *fmt;
if (buf >= lim)
break;
}
done:
*buf = '\0';
return (buf - start);
}
int formats (char *buf, int size, char *fmt, ...)
{
va_list ap;
int r;
va_start(ap, fmt);
r = formatv(buf, size, fmt, ap);
va_end(ap);
return r;
}
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