lib/libc/stdtime/timelocal.c

   1 /*-
   2  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   3  * Copyright (c) 1997 FreeBSD Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/lib/libc/stdtime/timelocal.c,v 1.8.2.4 2002/08/12 11:20:24 ache Exp $
  28  * $DragonFly: src/lib/libc/stdtime/timelocal.c,v 1.4 2005/04/21 16:36:35 joerg Exp $
  29  */
  30
  31 #include "namespace.h"
  32 #include <stddef.h>
  33 #include <unistd.h>
  34 #include "un-namespace.h"
  35
  36 #include "timelocal.h"
  37
  38 static struct lc_time_T _time_locale;
  39 static int _time_using_locale;
  40 static char *time_locale_buf;
  41
  42 #define LCTIME_SIZE (sizeof(struct lc_time_T) / sizeof(char *))
  43
  44 static const struct lc_time_T   _C_time_locale = {
  45         {
  46                 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  47                 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
  48         }, {
  49                 "January", "February", "March", "April", "May", "June",
  50                 "July", "August", "September", "October", "November", "December"
  51         }, {
  52                 "Sun", "Mon", "Tue", "Wed",
  53                 "Thu", "Fri", "Sat"
  54         }, {
  55                 "Sunday", "Monday", "Tuesday", "Wednesday",
  56                 "Thursday", "Friday", "Saturday"
  57         },
  58
  59         /* X_fmt */
  60         "%H:%M:%S",
  61
  62         /*
  63          * x_fmt
  64          * Since the C language standard calls for
  65          * "date, using locale's date format," anything goes.
  66          * Using just numbers (as here) makes Quakers happier;
  67          * it's also compatible with SVR4.
  68          */
  69         "%m/%d/%y",
  70
  71         /*
  72          * c_fmt
  73          */
  74         "%a %b %e %H:%M:%S %Y",
  75
  76         /* am */
  77         "AM",
  78
  79         /* pm */
  80         "PM",
  81
  82         /* date_fmt */
  83         "%a %b %e %H:%M:%S %Z %Y",
  84
  85         /* alt_month
  86          * Standalone months forms for %OB
  87          */
  88         {
  89                 "January", "February", "March", "April", "May", "June",
  90                 "July", "August", "September", "October", "November", "December"
  91         },
  92
  93         /* md_order
  94          * Month / day order in dates
  95          */
  96         "md",
  97
  98         /* ampm_fmt
  99          * To determine 12-hour clock format time (empty, if N/A)
 100          */
 101         "%I:%M:%S %p"
 102 };
 103
 104 struct lc_time_T *
 105 __get_current_time_locale(void)
 106 {
 107         return (_time_using_locale
 108                 ? &_time_locale
 109                 : (struct lc_time_T *)&_C_time_locale);
 110 }
 111
 112 int
 113 __time_load_locale(const char *name)
 114 {
 115         return (__part_load_locale(name, &_time_using_locale,
 116                         time_locale_buf, "LC_TIME",
 117                         LCTIME_SIZE, LCTIME_SIZE,
 118                         (const char **)&_time_locale));
 119 }