64 lines
2.9 KiB
C
64 lines
2.9 KiB
C
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/internal.h"
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#include "libc/nexgen32e/nexgen32e.h"
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#include "libc/sysv/consts/at.h"
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#include "libc/sysv/consts/utime.h"
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#include "libc/sysv/errfuns.h"
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#include "libc/time/time.h"
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int utimensat$xnu(int dirfd, const char *path, const struct timespec ts[2],
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int flags) {
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int i;
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struct timeval now, tv[2];
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if (flags) return einval();
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if (!ts || ts[0].tv_nsec == UTIME_NOW || ts[1].tv_nsec == UTIME_NOW) {
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gettimeofday(&now, NULL);
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}
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if (ts) {
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for (i = 0; i < 2; ++i) {
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if (ts[i].tv_nsec == UTIME_NOW) {
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tv[i] = now;
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} else if (ts[i].tv_nsec == UTIME_OMIT) {
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return einval();
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} else {
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tv[i].tv_sec = ts[i].tv_sec;
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tv[i].tv_usec = div1000int64(ts[i].tv_nsec);
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}
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}
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} else {
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tv[0] = now;
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tv[1] = now;
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}
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if (path) {
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if (dirfd == AT_FDCWD) {
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return utimes$sysv(path, tv);
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} else {
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return enosys();
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}
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} else {
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if (dirfd != AT_FDCWD) {
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return futimes$sysv(dirfd, tv);
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} else {
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return einval();
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}
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}
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}
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