/*      $NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $   */

#include <sys/cdefs.h>
__RCSID("$NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $");

#include <kvm.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "ps.h"

void
fmt_puts(char *s, int *leftp)
{
        static char *v = 0;
        static int maxlen = 0;
        char *nv;
        int len, nlen;

        if (*leftp == 0)
                return;
        len = strlen(s) * 4 + 1;
        if (len > maxlen) {
                if (maxlen == 0)
                        nlen = getpagesize();
                else
                        nlen = maxlen;
                while (len > nlen)
                        nlen *= 2;
                nv = realloc(v, nlen);
                if (nv == 0)
                        return;
                v = nv;
                maxlen = nlen;
        }
        len = strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
        if (*leftp != -1) {
                if (len > *leftp) {
                        v[*leftp] = '\0';
                        *leftp = 0;
                } else
                        *leftp -= len;
        }
        (void)printf("%s", v);
}

void
fmt_putc(int c, int *leftp)
{

        if (*leftp == 0)
                return;
        if (*leftp != -1)
                *leftp -= 1;
        putchar(c);
}