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123 lines
3.4 KiB
C
123 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2005 Poul-Henning Kamp
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* Copyright (c) 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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* Chris Torek.
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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 <namespace.h>
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#include <stdio.h>
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#include <wchar.h>
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#include <stdint.h>
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#include <assert.h>
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#include <sys/time.h>
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#include "printf.h"
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int
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__printf_arginfo_time(const struct printf_info *pi, size_t n, int *argt)
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{
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assert(n >= 1);
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argt[0] = PA_POINTER;
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return (1);
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}
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#define MINUTE 60
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#define HOUR (60 * MINUTE)
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#define DAY (24 * HOUR)
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#define YEAR (365 * DAY)
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int
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__printf_render_time(struct __printf_io *io, const struct printf_info *pi, const void *const *arg)
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{
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char buf[100];
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char *p;
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struct timeval *tv;
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struct timespec *ts;
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time_t *tp;
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intmax_t t, tx;
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int i, prec, nsec, ret;
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if (pi->is_long) {
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tv = *((struct timeval **)arg[0]);
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t = tv->tv_sec;
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nsec = tv->tv_usec * 1000;
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prec = 6;
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} else if (pi->is_long_double) {
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ts = *((struct timespec **)arg[0]);
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t = ts->tv_sec;
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nsec = ts->tv_nsec;
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prec = 9;
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} else {
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tp = *((time_t **)arg[0]);
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t = *tp;
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nsec = 0;
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prec = 0;
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}
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if (pi->is_long || pi->is_long_double) {
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if (pi->prec >= 0)
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prec = pi->prec;
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if (prec == 0)
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nsec = 0;
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}
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p = buf;
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if (pi->alt) {
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tx = t;
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if (t >= YEAR) {
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p += sprintf(p, "%jdy", t / YEAR);
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t %= YEAR;
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}
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if (tx >= DAY && (t != 0 || prec != 0)) {
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p += sprintf(p, "%jdd", t / DAY);
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t %= DAY;
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}
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if (tx >= HOUR && (t != 0 || prec != 0)) {
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p += sprintf(p, "%jdh", t / HOUR);
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t %= HOUR;
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}
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if (tx >= MINUTE && (t != 0 || prec != 0)) {
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p += sprintf(p, "%jdm", t / MINUTE);
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t %= MINUTE;
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}
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if (t != 0 || tx == 0 || prec != 0)
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p += sprintf(p, "%jds", t);
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} else {
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p += sprintf(p, "%jd", (intmax_t)t);
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}
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if (prec != 0) {
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for (i = prec; i < 9; i++)
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nsec /= 10;
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p += sprintf(p, ".%.*d", prec, nsec);
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}
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ret = __printf_out(io, pi, buf, p - buf);
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__printf_flush(io);
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return (ret);
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}
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