port/locale/timelocal.c

/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
 * Copyright (c) 1997 FreeBSD Inc.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#include "lint.h"
#include <stddef.h>
#include <errno.h>
#include "ldpart.h"
#include "timelocal.h"
#include "localeimpl.h"

#define LCTIME_SIZE (sizeof (struct lc_time) / sizeof (char *))

struct lc_time lc_time_posix = {
    {
        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
    }, {
        "January", "February", "March", "April", "May", "June",
        "July", "August", "September", "October", "November", "December"
    }, {
        "Sun", "Mon", "Tue", "Wed",
        "Thu", "Fri", "Sat"
    }, {
        "Sunday", "Monday", "Tuesday", "Wednesday",
        "Thursday", "Friday", "Saturday"
    },

    /* X_fmt */
    "%H:%M:%S",

    /*
     * x_fmt
     * Since the C language standard calls for
     * "date, using locale's date format," anything goes.
     * Using just numbers (as here) makes Quakers happier;
     * it's also compatible with SVR4.
     */
    "%m/%d/%y",

    /*
     * c_fmt
     */
    "%a %b %e %H:%M:%S %Y",

    /* am */
    "AM",

    /* pm */
    "PM",

    /* date_fmt */
    "%a %b %e %H:%M:%S %Z %Y",

    /*
     * ampm_fmt - To determine 12-hour clock format time (empty, if N/A)
     */
    "%I:%M:%S %p"
};

struct locdata __posix_time_locdata = {
    .l_lname = "C",
    .l_data = { &lc_time_posix }
};

struct locdata *
__lc_time_load(const char *name)
{
    struct locdata  *ldata;
    struct lc_time  *ltime;
    int ret;

    if ((ldata = __locdata_alloc(name, sizeof (*ltime))) == NULL) {
        errno = EINVAL;
        return (NULL);
    }
    ltime = ldata->l_data[0];

    ret = __part_load_locale(name, (char **)&ldata->l_data[1],
        "LC_TIME", LCTIME_SIZE, LCTIME_SIZE, (const char **)ltime);

    if (ret != _LDP_LOADED) {
        __locdata_free(ldata);
        errno = EINVAL;
        return (NULL);
    }

    return (ldata);
}