d9210c2405
parse quota plists; as well as a getfsquota() function to retrieve quotas for a single id from a single filesystem (whatever filesystem this is: a local quota-enabled fs or NFS). This is build on functions getufsquota() (for local filesystems with UFS-like quotas) and getnfsquota(); which are also available to userland programs. move functions from quota2_subr.c to libquota or libprop as appropriate, and ajust in-tree quota tools. move some declarations from kernel headers to either sys/quota.h or quota/quota.h as appropriate. ufs/ufs/quota.h still installed because it's needed by other installed ufs headers. ufs/ufs/quota1.h still installed as a quick&dirty way to get a code using the old quotactl() to compile (just include ufs/ufs/quota1.h instead of ufs/ufs/quota.h - old code won't compile without this change and this is on purpose). Discussed on tech-kern@ and tech-net@ (long thread, but not much about libquota itself ...)
287 lines
6.8 KiB
C
287 lines
6.8 KiB
C
/* $NetBSD: printquota.c,v 1.6 2011/03/24 17:05:46 bouyer Exp $ */
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/*
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* Copyright (c) 1980, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Robert Elz at The University of Melbourne.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)quota.c 8.4 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: printquota.c,v 1.6 2011/03/24 17:05:46 bouyer Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <inttypes.h>
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#include "printquota.h"
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/*
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* convert 64bit value to a printable string
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*/
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const char *
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intprt(char *buf, size_t len, uint64_t val, int flags, int hflag)
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{
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if (val == UQUAD_MAX)
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return (len > sizeof("unlimited")) ? "unlimited" : "-";
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if (flags & HN_B)
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val = dbtob(val);
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if (hflag) {
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(void)humanize_number(buf, len, (int64_t)val, "", HN_AUTOSCALE,
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flags);
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return buf;
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}
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if (flags & HN_B) {
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/* traditionnal display: blocks are in kilobytes */
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val = val / 1024;
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}
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(void)snprintf(buf, len, "%" PRId64, val);
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return buf;
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}
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/*
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* Calculate the grace period and return a user-friendly string for it.
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*/
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#define MINUTE 60
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#define HOUR (MINUTE * 60)
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#define DAY (HOUR * 24)
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#define WEEK (DAY * 7)
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#define MONTH (DAY * 30)
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#define YEAR (DAY * 355)
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const char *
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timeprt(char *buf, size_t len, time_t now, time_t seconds)
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{
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time_t years, months, weeks, days, hours, minutes;
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if (now > seconds)
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return "none";
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seconds -= now;
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minutes = (seconds + MINUTE / 2) / MINUTE;
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hours = (seconds + HOUR / 2) / HOUR;
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days = (seconds + DAY / 2) / DAY;
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years = (seconds + YEAR / 2) / YEAR;
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months = (seconds + MONTH / 2) / MONTH;
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weeks = (seconds + WEEK / 2) / WEEK;
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if (years >= 2) {
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(void)snprintf(buf, len, "%" PRId64 "years", years);
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return buf;
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}
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if (weeks > 9) {
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(void)snprintf(buf, len, "%" PRId64 "months", months);
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return buf;
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}
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if (days > 9) {
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(void)snprintf(buf, len, "%" PRId64 "weeks", weeks);
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return buf;
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}
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if (hours > 36) {
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(void)snprintf(buf, len, "%" PRId64 "days", days);
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return buf;
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}
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if (minutes > 60) {
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(void)snprintf(buf, len, "%2d:%d",
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(int)(minutes / 60), (int)(minutes % 60));
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return buf;
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}
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(void)snprintf(buf, len, "%2d", (int)minutes);
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return buf;
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}
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/*
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* Calculate the grace period and return a precise string for it,
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* either in seconds or in format xWyDzHtMuS
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*/
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const char *
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timepprt(char *buf, size_t len, time_t seconds, int hflag)
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{
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ssize_t i = 0;
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if (hflag == 0) {
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(void)snprintf(buf, len, "%" PRId64, seconds);
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return buf;
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}
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if ((seconds / WEEK) > 0) {
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i += snprintf(buf + i, len - i, "%" PRId64 "W", seconds / WEEK);
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seconds = seconds % WEEK;
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}
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if (len - i < 3 || seconds == 0)
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return buf;
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if ((seconds / DAY) > 0) {
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i += snprintf(buf + i, len - i, "%" PRId64 "D", seconds / DAY);
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seconds = seconds % DAY;
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}
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if (len - i < 4 || seconds == 0)
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return buf;
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if ((seconds / HOUR) > 0) {
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i += snprintf(buf + i, len - i, "%" PRId64 "H", seconds / HOUR);
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seconds = seconds % HOUR;
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}
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if (len - i < 4 || seconds == 0)
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return buf;
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if ((seconds / MINUTE) > 0) {
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i += snprintf(buf + i , len - i, "%" PRId64 "M",
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seconds / MINUTE);
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seconds = seconds % MINUTE;
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}
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if (len - i < 4 || seconds == 0)
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return buf;
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(void)snprintf(buf + i, len - i, "%" PRId64 "S", seconds);
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return buf;
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}
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/*
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* convert a string of the form xWyDzHtMuS, or plain decimal, to
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* a time in seconds
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*/
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int
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timeprd(const char *str, time_t *valp)
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{
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char buf[20];
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char *cur, *next, *end;
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time_t val= 0;
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strncpy(buf, str, sizeof(buf));
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next = buf;
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cur = strsep(&next, "Ww");
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if (next != NULL) {
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val = strtoumax(cur, &end, 10) * WEEK;
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if (end[0] != '\0')
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return EINVAL;
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} else
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next = cur;
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cur = strsep(&next, "Dd");
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if (next != NULL) {
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val += strtoumax(cur, &end, 10) * DAY;
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if (end[0] != '\0')
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return EINVAL;
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} else
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next = cur;
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cur = strsep(&next, "Hh");
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if (next != NULL) {
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val += strtoumax(cur, &end, 10) * HOUR;
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if (end[0] != '\0')
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return EINVAL;
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} else
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next = cur;
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cur = strsep(&next, "Mm");
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if (next != NULL) {
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val += strtoumax(cur, &end, 10) * MINUTE;
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if (end[0] != '\0')
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return EINVAL;
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} else
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next = cur;
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cur = strsep(&next, "Ss");
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val += strtoumax(cur, &end, 10);
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if (end[0] != '\0')
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return EINVAL;
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*valp = val;
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return 0;
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}
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/*
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* convert a string to a uint64 value
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*/
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int
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intrd(char *str, uint64_t *val, u_int flags)
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{
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char *last = &str[strlen(str) - 1];
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int ret;
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if (*last >= '0' && *last <= '9') {
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/* no unit provided, use default */
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errno = 0;
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*val = strtoumax(str, NULL, 10);
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if (flags & HN_B) {
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/* in kb, convert to disk blocks */
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*val = btodb(*val * 1024);
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}
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return errno;
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}
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if (strcmp(str, "-") == 0 || strcmp(str, "unlimited") == 0) {
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*val = UQUAD_MAX;
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return 0;
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}
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if (flags & HN_B) {
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if (*last == 'B' || *last == 'b')
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*last = '\0';
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}
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ret = dehumanize_number(str, (int64_t *)val);
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if (flags & HN_B)
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*val = btodb(*val);
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return ret;
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}
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int
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alldigits(const char *s)
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{
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unsigned char c;
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c = *s++;
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do {
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if (!isdigit(c))
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return 0;
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} while ((c = *s++) != 0);
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return 1;
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}
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