port/sys/utimesys.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "lint.h"
#include <string.h>
#include <utime.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/syscall.h>

int
futimens(int fd, const timespec_t times[2])
{
    return (syscall(SYS_utimesys, 0, fd, times));
}

int
utimensat(int fd, const char *path, const timespec_t times[2], int flag)
{
    return (syscall(SYS_utimesys, 1, fd, path, times, flag));
}

#pragma weak _utime = utime
int
utime(const char *path, const struct utimbuf *times)
{
    struct utimbuf ltimes;
    timespec_t ts[2];
    timespec_t *tsp;

    if (times == NULL) {
        tsp = NULL;
    } else {
        /* use uucopy() to behave like a system call */
        if (uucopy(times, &ltimes, sizeof (ltimes)) != 0)
            return (-1);    /* uucopy() set errno to EFAULT */
        ts[0].tv_sec = ltimes.actime;
        ts[0].tv_nsec = 0;
        ts[1].tv_sec = ltimes.modtime;
        ts[1].tv_nsec = 0;
        tsp = ts;
    }
    return (utimensat(AT_FDCWD, path, tsp, 0));
}

int
utimes(const char *path, const struct timeval times[2])
{
    struct timeval ltimes[2];
    timespec_t ts[2];
    timespec_t *tsp;

    if (times == NULL) {
        tsp = NULL;
    } else {
        /* use uucopy() to behave like a system call */
        if (uucopy(times, ltimes, sizeof (ltimes)) != 0)
            return (-1);    /* uucopy() set errno to EFAULT */
        ts[0].tv_sec = ltimes[0].tv_sec;
        ts[0].tv_nsec = ltimes[0].tv_usec * 1000;
        ts[1].tv_sec = ltimes[1].tv_sec;
        ts[1].tv_nsec = ltimes[1].tv_usec * 1000;
        tsp = ts;
    }
    return (utimensat(AT_FDCWD, path, tsp, 0));
}

#pragma weak _futimesat = futimesat
int
futimesat(int fd, const char *path, const struct timeval times[2])
{
    struct timeval ltimes[2];
    timespec_t ts[2];
    timespec_t *tsp;

    if (times == NULL) {
        tsp = NULL;
    } else {
        /* use uucopy() to behave like a system call */
        if (uucopy(times, ltimes, sizeof (ltimes)) != 0)
            return (-1);    /* uucopy() set errno to EFAULT */
        ts[0].tv_sec = ltimes[0].tv_sec;
        ts[0].tv_nsec = ltimes[0].tv_usec * 1000;
        ts[1].tv_sec = ltimes[1].tv_sec;
        ts[1].tv_nsec = ltimes[1].tv_usec * 1000;
        tsp = ts;
    }

    if (path == NULL)
        return (futimens(fd, tsp));

    return (utimensat(fd, path, tsp, 0));
}