/*-
 * Copyright (c) 1990, 1993, 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * @(#)print.c  8.6 (Berkeley) 4/16/94
 * $FreeBSD: src/bin/ps/print.c,v 1.36.2.4 2002/11/30 13:00:14 tjr Exp $
 * $DragonFly: src/bin/ps/print.c,v 1.34 2008/11/10 14:56:33 swildner Exp $
 */

#include <sys/user.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>

#include <sys/ucred.h>
#include <sys/sysctl.h>
#include <sys/rtprio.h>
#include <sys/caps.h>
#include <vm/vm.h>

#include <err.h>
#include <langinfo.h>
#include <locale.h>
#include <math.h>
#include <nlist.h>
#include <pwd.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <vis.h>

#include "ps.h"

static const char *make_printable(const char *str);
static const char *make_printable2(const char *str);
static void put64(u_int64_t n, int w, int type);

#define SHOW_THRNAME(k) \
        (showtid && KI_PROC(k, pid) != -1 && KI_PROC(k, nthreads) > 1)

void
printheader(void)
{
        const VAR *v;
        struct varent *vent;
        int allempty;

        allempty = 1;
        STAILQ_FOREACH(vent, &var_head, link) {
                if (*vent->header != '\0') {
                        allempty = 0;
                        break;
                }
        }
        if (allempty)
                return;
        STAILQ_FOREACH(vent, &var_head, link) {
                v = vent->var;
                if (v->flag & LJUST) {
                        if (STAILQ_NEXT(vent, link) == NULL)    /* last one */
                                printf("%s", vent->header);
                        else
                                printf("%-*s", vent->width, vent->header);
                } else
                        printf("%*s", vent->width, vent->header);
                if (STAILQ_NEXT(vent, link) != NULL)
                        putchar(' ');
        }
        putchar('\n');
}

void
command(const KINFO *k, const struct varent *vent)
{
        int left;
        int indent;
        char *cp, *vis_env, *vis_args;

        if (cflag) {
                /* Don't pad the last field. */
                if (STAILQ_NEXT(vent, link) == NULL) {
                        if (SHOW_THRNAME(k)) {
                                printf("%s/%s",
                                    make_printable(KI_PROC(k, comm)),
                                    make_printable2(KI_LWP(k, comm)));
                        } else {
                                printf("%s", make_printable(KI_PROC(k, comm)));
                        }
                } else {
                        if (SHOW_THRNAME(k)) {
                                printf("%-*s/%s", vent->width,
                                    make_printable(KI_PROC(k, comm)),
                                    make_printable2(KI_LWP(k, comm)));
                        } else {
                                printf("%-*s", vent->width, 
                                        make_printable(KI_PROC(k, comm)));
                        }
                }
                return;
        }

        if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
                err(1, NULL);
        strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
        if (k->ki_env) {
                if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
                        err(1, NULL);
                strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
        } else {
                vis_env = NULL;
        }

        indent = k->ki_indent;
        if (indent < 0)
                indent = 0;

        if (STAILQ_NEXT(vent, link) == NULL) {
                /* last field */
                if (termwidth == UNLIMITED) {
                        if (vis_env)
                                printf("%s ", vis_env);
                        while (indent) {
                                putchar(' ');
                                --indent;
                        }
                        printf("%s", vis_args);
                } else {
                        left = termwidth - (totwidth - vent->width);
                        if (left < 1) /* already wrapped, just use std width */
                                left = vent->width;
                        while (indent && left > 1) {
                                putchar(' ');
                                --indent;
                                --left;
                        }
                        if ((cp = vis_env) != NULL) {
                                while (--left >= 0 && *cp)
                                        putchar(*cp++);
                                if (--left >= 0)
                                        putchar(' ');
                        }
                        for (cp = vis_args; --left >= 0 && *cp != '\0';)
                                putchar(*cp++);
                }
        } else
                /* XXX env? */
                printf("%-*.*s", vent->width, vent->width, vis_args);
        free(vis_args);
        if (vis_env != NULL)
                free(vis_env);
}

void
ucomm(const KINFO *k, const struct varent *vent)
{
        /* Do not pad the last field */
        if (STAILQ_NEXT(vent, link) == NULL) {
                if (SHOW_THRNAME(k)) {
                        printf("%s/%s", make_printable(KI_PROC(k, comm)),
                            make_printable2(KI_LWP(k, comm)));
                } else {
                        printf("%s", make_printable(KI_PROC(k, comm)));
                }
        } else {
                if (SHOW_THRNAME(k)) {
                        printf("%-*s/%s", vent->width,
                            make_printable(KI_PROC(k, comm)),
                            make_printable2(KI_LWP(k, comm)));
                } else {
                        printf("%-*s", vent->width,
                            make_printable(KI_PROC(k, comm)));
                }
        }
}

void
logname(const KINFO *k, const struct varent *vent)
{
        const char *s = KI_PROC(k, login);

        printf("%-*s", vent->width, *s != '\0' ? s : "-");
}

void
state(const KINFO *k, const struct varent *vent)
{
        int flag;
        char *cp;
        char buf[16];

        flag = KI_PROC(k, flags);
        cp = buf;

        switch (KI_PROC(k, stat)) {

        case SSTOP:
                *cp = 'T';
                break;

        case SACTIVE:
                switch (KI_LWP(k, stat)) {
                case LSSLEEP:
                        if (KI_LWP(k, flags) & LWP_SINTR) {
                                /* interruptable wait short/long */
                                *cp = KI_LWP(k, slptime) >= MAXSLP ? 'I' : 'S';
                        }
                        else if (KI_LWP(k, tdflags) & TDF_SINTR)
                                *cp = 'S';      /* interruptable lwkt wait */
                        else if (KI_PROC(k, paddr))
                                *cp = 'D';      /* uninterruptable wait */
                        else
                                *cp = 'B';      /* uninterruptable lwkt wait */
                        /* FALLTHROUGH */

                case LSRUN:
                        if (KI_LWP(k, stat) == LSRUN) {
                                *cp = 'R';
                                if (!(KI_LWP(k, tdflags) &
                                    (TDF_RUNNING | TDF_RUNQ)))
                                        *++cp = 'Q';
                        }
                        /*if (KI_LWP(k, tdflags) & (TDF_RUNNING | TDF_RUNQ))*/ {
                            ++cp;
                            sprintf(cp, "%d", KI_LWP(k, cpuid));
                            while (cp[1])
                                ++cp;
                        }
                        break;

                case LSSTOP:
                        /* shouldn't happen anyways */
                        *cp = 'T';
                        break;
                }
                break;

        case SZOMB:
                *cp = 'Z';
                break;

        default:
                *cp = '?';
        }

        cp++;
        if (flag & P_SWAPPEDOUT)
                *cp++ = 'W';
        if (KI_PROC(k, nice) < NZERO)
                *cp++ = '<';
        else if (KI_PROC(k, nice) > NZERO)
                *cp++ = 'N';
        if (flag & P_TRACED)
                *cp++ = 'X';
        if (flag & P_WEXIT && KI_PROC(k, stat) != SZOMB)
                *cp++ = 'E';
        if (flag & P_PPWAIT)
                *cp++ = 'V';
#if 0
        /* removed, no longer interesting */
        if ((flag & P_SYSTEM) || KI_PROC(k, lock) > 0)
                *cp++ = 'L';
#endif

        if (flag & P_JAILED)
                *cp++ = 'J';
        if (__KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_RESTRICTEDROOT) ==
            (__SYSCAP_SELF | __SYSCAP_EXEC) &&
            __KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_SENSITIVEROOT) ==
            (__SYSCAP_SELF | __SYSCAP_EXEC))
        {
                *cp++ = 'Y';
        } else
        if (__KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_RESTRICTEDROOT) ==
            (__SYSCAP_SELF | __SYSCAP_EXEC))
        {
                *cp++ = 'y';
        }
        if (KI_PROC(k, auxflags) & KI_SLEADER)
                *cp++ = 's';
        if ((flag & P_CONTROLT) && KI_PROC(k, pgid) == KI_PROC(k, tpgid))
                *cp++ = '+';
        *cp = '\0';
        printf("%-*s", vent->width, buf);
}

/*
 * Normalized priority (lower is better).  For pure threads
 * output a negated LWKT priority (so lower still means better).
 *
 * XXX bsd4 scheduler specific.
 */
void
pri(const KINFO *k, const struct varent *vent)
{
        if (KI_LWP(k, pid) != -1)
            printf("%*d", vent->width, KI_LWP(k, prio));
        else
            printf("%*d", vent->width, -(KI_LWP(k, tdprio)));
}

void
tdpri(const KINFO *k, const struct varent *vent)
{
        char buf[32];
        int val = KI_LWP(k, tdprio);

        snprintf(buf, sizeof(buf), "%2d", val);
        printf("%*s", vent->width, buf);
}

void
uname(const KINFO *k, const struct varent *vent)
{
        printf("%-*s", vent->width,
               user_from_uid(KI_PROC(k, uid), 0));
}

int
s_uname(const KINFO *k)
{
        return (strlen(user_from_uid(KI_PROC(k, uid), 0)));
}

void
runame(const KINFO *k, const struct varent *vent)
{
        printf("%-*s", vent->width,
               user_from_uid(KI_PROC(k, ruid), 0));
}

int
s_runame(const KINFO *k)
{
        return (strlen(user_from_uid(KI_PROC(k, ruid), 0)));
}

void
tdev(const KINFO *k, const struct varent *vent)
{
        dev_t dev;
        char buff[16];

        dev = KI_PROC(k, tdev);
        if (dev == NODEV)
                printf("%*s", vent->width, "??");
        else {
                snprintf(buff, sizeof(buff), "%d/%d", major(dev), minor(dev));
                printf("%*s", vent->width, buff);
        }
}

void
tname(const KINFO *k, const struct varent *vent)
{
        dev_t dev;
        const char *ttname;

        dev = KI_PROC(k, tdev);
        if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
                printf("%*s ", vent->width-1, "??");
        else {
                if (strncmp(ttname, "tty", 3) == 0 ||
                    strncmp(ttname, "cua", 3) == 0)
                        ttname += 3;
                if (strncmp(ttname, "pts/", 4) == 0)
                        ttname += 4;
                printf("%*.*s%c", vent->width-1, vent->width-1, ttname,
                        KI_PROC(k, auxflags) & KI_CTTY ? ' ' : '-');
        }
}

void
longtname(const KINFO *k, const struct varent *vent)
{
        dev_t dev;
        const char *ttname;

        dev = KI_PROC(k, tdev);
        if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
                printf("%-*s", vent->width, "??");
        else
                printf("%-*s", vent->width, ttname);
}

void
started(const KINFO *k, const struct varent *vent)
{
        static time_t now;
        time_t then;
        struct tm *tp;
        char buf[100];
        static int  use_ampm = -1;

        if (use_ampm < 0)
                use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');

        then = KI_PROC(k, start).tv_sec;
        if (then < btime.tv_sec) {
                then = btime.tv_sec;
        }

        tp = localtime(&then);
        if (!now)
                time(&now);
        if (now - then < 24 * 3600) {
                strftime(buf, sizeof(buf) - 1,
                use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
        } else if (now - then < 7 * 86400) {
                strftime(buf, sizeof(buf) - 1,
                use_ampm ? "%a%I%p" : "%a%H  ", tp);
        } else
                strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
        printf("%-*s", vent->width, buf);
}

void
lstarted(const KINFO *k, const struct varent *vent)
{
        time_t then;
        char buf[100];

        then = KI_PROC(k, start).tv_sec;
        strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
        printf("%-*s", vent->width, buf);
}

void
wchan(const KINFO *k, const struct varent *vent)
{
        if (*KI_LWP(k, wmesg)) {
                printf("%-*.*s", vent->width, vent->width,
                       KI_LWP(k, wmesg));
        } else {
                printf("%-*s", vent->width, "-");
        }
}

static u_int64_t
pgtob(u_int64_t pg)
{
        static size_t pgsize;

        if (pgsize == 0)
                pgsize = getpagesize();
        return(pg * pgsize);
}

void
vsize(const KINFO *k, const struct varent *vent)
{
        put64((uintmax_t)KI_PROC(k, vm_map_size)/1024, vent->width, 'k');
}

void
rssize(const KINFO *k, const struct varent *vent)
{
        /* XXX don't have info about shared */
        put64(pgtob(KI_PROC(k, vm_rssize))/1024, vent->width, 'k');
}

/* doesn't account for text */
void
p_rssize(const KINFO *k, const struct varent *vent)
{
        put64(pgtob(KI_PROC(k, vm_rssize))/1024, vent->width, 'k');
}

void
cputime(const KINFO *k, const struct varent *vent)
{
        long secs;
        long psecs;     /* "parts" of a second. first micro, then centi */
        u_int64_t timeus;
        char obuff[128];
        static char decimal_point = '\0';

        if (decimal_point == '\0')
                decimal_point = localeconv()->decimal_point[0];

        /*
         * This counts time spent handling interrupts.  We could
         * fix this, but it is not 100% trivial (and interrupt
         * time fractions only work on the sparc anyway).       XXX
         */
        timeus = KI_LWP(k, uticks) + KI_LWP(k, sticks) +
                KI_LWP(k, iticks);
        secs = timeus / 1000000;
        psecs = timeus % 1000000;
        if (sumrusage) {
                secs += KI_PROC(k, cru).ru_utime.tv_sec +
                        KI_PROC(k, cru).ru_stime.tv_sec;
                psecs += KI_PROC(k, cru).ru_utime.tv_usec +
                        KI_PROC(k, cru).ru_stime.tv_usec;
        }
        /*
         * round and scale to 100's
         */
        psecs = (psecs + 5000) / 10000;
        secs += psecs / 100;
        psecs = psecs % 100;
#if 1
        if (secs >= 86400) {
                snprintf(obuff, sizeof(obuff), "%3ldd%02ld:%02ld",
                        secs / 86400, secs / (60 * 60) % 24, secs / 60 % 60);
        } else if (secs >= 100 * 60) {
                snprintf(obuff, sizeof(obuff), "%2ld:%02ld:%02ld",
                        secs / 60 / 60, secs / 60 % 60, secs % 60);
        } else
#endif
        {
                snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
                         secs / 60, secs % 60,
                         decimal_point, psecs);
        }
        printf("%*s", vent->width, obuff);
}

double
getpcpu(const KINFO *k)
{
        static int failure;

        if (!nlistread)
                failure = donlist();
        if (failure)
                return (0.0);

#define fxtofl(fixpt)   ((double)(fixpt) / fscale)

        /* XXX - I don't like this */
        if (KI_PROC(k, swtime) == 0 || (KI_PROC(k, flags) & P_SWAPPEDOUT))
                return (0.0);
        return (100.0 * fxtofl(KI_LWP(k, pctcpu)));
}

void
pcpu(const KINFO *k, const struct varent *vent)
{
        printf("%*.1f", vent->width, getpcpu(k));
}

void
pnice(const KINFO *k, const struct varent *vent)
{
        int niceval;

        switch (KI_LWP(k, rtprio).type) {
        case RTP_PRIO_REALTIME:
                niceval = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_LWP(k, rtprio).prio;
                break;
        case RTP_PRIO_IDLE:
                niceval = PRIO_MAX + 1 + KI_LWP(k, rtprio).prio;
                break;
        case RTP_PRIO_THREAD:
                niceval = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_LWP(k, rtprio).prio;
                break;
        default:
                niceval = KI_PROC(k, nice) - NZERO;
                break;
        }
        printf("%*d", vent->width, niceval);
}


double
getpmem(const KINFO *k)
{
        static int failure;
        double fracmem;
        int szptudot;

        if (!nlistread)
                failure = donlist();
        if (failure)
                return (0.0);

        if (KI_PROC(k, flags) & P_SWAPPEDOUT)
                return (0.0);
        /* XXX want pmap ptpages, segtab, etc. (per architecture) */
        szptudot = UPAGES;
        /* XXX don't have info about shared */
        fracmem = ((float)KI_PROC(k, vm_rssize) + szptudot)/mempages;
        return (100.0 * fracmem);
}

void
pmem(const KINFO *k, const struct varent *vent)
{
        printf("%*.1f", vent->width, getpmem(k));
}

void
pagein(const KINFO *k, const struct varent *vent)
{
        printf("%*ld", vent->width, KI_LWP(k, ru).ru_majflt);
}

/* ARGSUSED */
void
maxrss(const KINFO *k __unused, const struct varent *vent)
{
        printf("%*ld", vent->width, KI_PROC(k, ru).ru_maxrss);
}

void
tsize(const KINFO *k, const struct varent *vent)
{
        put64(pgtob(KI_PROC(k, vm_tsize))/1024, vent->width, 'k');
}

void
rtprior(const KINFO *k, const struct varent *vent)
{
        struct rtprio *prtp;
        char str[8];
        unsigned prio, type;
 
        prtp = &KI_LWP(k, rtprio);
        prio = prtp->prio;
        type = prtp->type;
        switch (type) {
        case RTP_PRIO_REALTIME:
                snprintf(str, sizeof(str), "real:%u", prio);
                break;
        case RTP_PRIO_NORMAL:
                strncpy(str, "normal", sizeof(str));
                break;
        case RTP_PRIO_IDLE:
                snprintf(str, sizeof(str), "idle:%u", prio);
                break;
        default:
                snprintf(str, sizeof(str), "%u:%u", type, prio);
                break;
        }
        str[sizeof(str) - 1] = '\0';
        printf("%*s", vent->width, str);
}

/*
 * Generic output routines.  Print fields from various prototype
 * structures.
 */
static void
printval(const char *bp, const struct varent *vent)
{
        static char ofmt[32] = "%";
        const char *fcp;
        char *cp;

        cp = ofmt + 1;
        fcp = vent->var->fmt;
        if (vent->var->flag & LJUST)
                *cp++ = '-';
        *cp++ = '*';
        while ((*cp++ = *fcp++));

        switch (vent->var->type) {
        case CHAR:
                printf(ofmt, vent->width, *(const char *)bp);
                break;
        case UCHAR:
                printf(ofmt, vent->width, *(const u_char *)bp);
                break;
        case SHORT:
                printf(ofmt, vent->width, *(const short *)bp);
                break;
        case USHORT:
                printf(ofmt, vent->width, *(const u_short *)bp);
                break;
        case INT:
                printf(ofmt, vent->width, *(const int *)bp);
                break;
        case UINT:
                printf(ofmt, vent->width, *(const u_int *)bp);
                break;
        case LONG:
                printf(ofmt, vent->width, *(const long *)bp);
                break;
        case ULONG:
                printf(ofmt, vent->width, *(const u_long *)bp);
                break;
        case KPTR:
                printf(ofmt, vent->width, *(const u_long *)bp);
                break;
        default:
                errx(1, "unknown type %d", vent->var->type);
        }
}

void
pvar(const KINFO *k, const struct varent *vent)
{
        printval((char *)((char *)k->ki_proc + vent->var->off), vent);
}

void
lpest(const KINFO *k, const struct varent *vent)
{
        int val;

        val = *(int *)((char *)&k->ki_proc->kp_lwp + vent->var->off);
        val = val / 128;
        printval((char *)&val, vent);
}


void
lpvar(const KINFO *k, const struct varent *vent)
{
        printval((char *)((char *)&k->ki_proc->kp_lwp + vent->var->off), vent);
}

void
rvar(const KINFO *k, const struct varent *vent)
{
        printval(((const char *)&KI_LWP(k, ru) + vent->var->off), vent);
}

static const char *
make_printable(const char *str)
{
    static char *cpy;
    int len;

    if (cpy)
        free(cpy);
    len = strlen(str);
    if ((cpy = malloc(len * 4 + 1)) == NULL)
        err(1, NULL);
    strvis(cpy, str, VIS_TAB | VIS_NL | VIS_NOSLASH);
    return(cpy);
}

static const char *
make_printable2(const char *str)
{
    static char *cpy2;
    int len;

    if (cpy2)
        free(cpy2);
    len = strlen(str);
    if ((cpy2 = malloc(len * 4 + 1)) == NULL)
        err(1, NULL);
    strvis(cpy2, str, VIS_TAB | VIS_NL | VIS_NOSLASH);
    return(cpy2);
}

/*
 * Output a number, divide down as needed to fit within the
 * field.  This function differs from the code used by systat
 * in that it tries to differentiate the display by always
 * using a decimal point for excessively large numbers so
 * the human eye naturally notices the difference.
 */
static void
put64(u_int64_t n, int w, int type)
{
        char b[128];
        u_int64_t d;
        u_int64_t u;
        size_t len;
        int ntype;

        snprintf(b, sizeof(b), "%*jd", w, (uintmax_t)n);
        len = strlen(b);
        if (len <= (size_t)w) {
                fwrite(b, len, 1, stdout);
                return;
        }

        if (type == 'D')
                u = 1000;
        else
                u = 1024;

        ntype = 0;
        for (d = 1; n / d >= 100000; d *= u) {
                switch(type) {
                case 'D':
                case 0:
                        type = 'k';
                        ntype = 'M';
                        break;
                case 'k':
                        type = 'M';
                        ntype = 'G';
                        break;
                case 'M':
                        type = 'G';
                        ntype = 'T';
                        break;
                case 'G':
                        type = 'T';
                        ntype = 'X';
                        break;
                case 'T':
                        type = 'X';
                        ntype = '?';
                        break;
                default:
                        type = '?';
                        break;
                }
        }
        if (w > 4 && n / d >= u) {
                snprintf(b, sizeof(b), "%*ju.%02u%c",
                         w - 4,
                         (uintmax_t)(n / (d * u)),
                         (u_int)(n / (d * u / 100) % 100),
                         ntype);
        } else {
                snprintf(b, sizeof(b), "%*jd%c",
                        w - 1, (uintmax_t)n / d, type);
        }
        len = strlen(b);
        fwrite(b, len, 1, stdout);
}