langinfo.h

/*
 * Copyright (C) 2016 The Android Open Source Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * 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 COPYRIGHT HOLDERS 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
 * COPYRIGHT OWNER 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.
 */
#ifndef _LANGINFO_H_
#define _LANGINFO_H_

#include <stdlib.h>
#include <sys/cdefs.h>
#include "nl_types.h"
#include "xlocale.h"

__BEGIN_DECLS

#define CODESET 1
#define D_T_FMT 2
#define D_FMT 3
#define T_FMT 4
#define T_FMT_AMPM 5
#define AM_STR 6
#define PM_STR 7
#define DAY_1 8
#define DAY_2 9
#define DAY_3 10
#define DAY_4 11
#define DAY_5 12
#define DAY_6 13
#define DAY_7 14
#define ABDAY_1 15
#define ABDAY_2 16
#define ABDAY_3 17
#define ABDAY_4 18
#define ABDAY_5 19
#define ABDAY_6 20
#define ABDAY_7 21
#define MON_1 22
#define MON_2 23
#define MON_3 24
#define MON_4 25
#define MON_5 26
#define MON_6 27
#define MON_7 28
#define MON_8 29
#define MON_9 30
#define MON_10 31
#define MON_11 32
#define MON_12 33
#define ABMON_1 34
#define ABMON_2 35
#define ABMON_3 36
#define ABMON_4 37
#define ABMON_5 38
#define ABMON_6 39
#define ABMON_7 40
#define ABMON_8 41
#define ABMON_9 42
#define ABMON_10 43
#define ABMON_11 44
#define ABMON_12 45
#define ERA 46
#define ERA_D_FMT 47
#define ERA_D_T_FMT 48
#define ERA_T_FMT 49
#define ALT_DIGITS 50
#define RADIXCHAR 51
#define THOUSEP 52
#define YESEXPR 53
#define NOEXPR 54
#define CRNCYSTR 55

static inline char* nl_langinfo(nl_item item) {
  const char* result = "";
  switch (item) {
    case CODESET: result = (MB_CUR_MAX == 1) ? "ASCII" : "UTF-8"; break;
    case D_T_FMT: result = "%F %T %z"; break;
    case D_FMT: result = "%F"; break;
    case T_FMT: result = "%T"; break;
    case T_FMT_AMPM: result = "%I:%M:%S %p"; break;
    case AM_STR: result = "AM"; break;
    case PM_STR: result = "PM"; break;
    case DAY_1: result = "Sunday"; break;
    case DAY_2: result = "Monday"; break;
    case DAY_3: result = "Tuesday"; break;
    case DAY_4: result = "Wednesday"; break;
    case DAY_5: result = "Thursday"; break;
    case DAY_6: result = "Friday"; break;
    case DAY_7: result = "Saturday"; break;
    case ABDAY_1: result = "Sun"; break;
    case ABDAY_2: result = "Mon"; break;
    case ABDAY_3: result = "Tue"; break;
    case ABDAY_4: result = "Wed"; break;
    case ABDAY_5: result = "Thu"; break;
    case ABDAY_6: result = "Fri"; break;
    case ABDAY_7: result = "Sat"; break;
    case MON_1: result = "January"; break;
    case MON_2: result = "February"; break;
    case MON_3: result = "March"; break;
    case MON_4: result = "April"; break;
    case MON_5: result = "May"; break;
    case MON_6: result = "June"; break;
    case MON_7: result = "July"; break;
    case MON_8: result = "August"; break;
    case MON_9: result = "September"; break;
    case MON_10: result = "October"; break;
    case MON_11: result = "November"; break;
    case MON_12: result = "December"; break;
    case ABMON_1: result = "Jan"; break;
    case ABMON_2: result = "Feb"; break;
    case ABMON_3: result = "Mar"; break;
    case ABMON_4: result = "Apr"; break;
    case ABMON_5: result = "May"; break;
    case ABMON_6: result = "Jun"; break;
    case ABMON_7: result = "Jul"; break;
    case ABMON_8: result = "Aug"; break;
    case ABMON_9: result = "Sep"; break;
    case ABMON_10: result = "Oct"; break;
    case ABMON_11: result = "Nov"; break;
    case ABMON_12: result = "Dec"; break;
    case ERA: result = ""; break;
    case ERA_D_FMT: result = ""; break;
    case ERA_D_T_FMT: result = ""; break;
    case ERA_T_FMT: result = ""; break;
    case ALT_DIGITS: result = ""; break;
    case RADIXCHAR: result = "."; break;
    case THOUSEP: result = ""; break;
    case YESEXPR: result = "^[yY]"; break;
    case NOEXPR: result = "^[nN]"; break;
    case CRNCYSTR: result = ""; break;
    default: break;
  }
  return result;
}

// char* nl_langinfo(nl_item); // __INTRODUCED_IN_FUTURE;
// char* nl_langinfo_l(nl_item, locale_t) __INTRODUCED_IN_FUTURE;

__END_DECLS

#endif