nuttx/libs/libc/locale/lib_langinfo.c
guoshichao 4af8c58b93 libs/libc/locale/langinfo: implement the nl_langinfo function
1. the nl_langinfo can help to pass the
ltp/open_posix_testsuite/strftime testcases
2. the implementation are referred to https://pubs.opengroup.org/onlinepubs/9699919799/functions/nl_langinfo.html

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
2023-07-02 13:57:36 +08:00

178 lines
4.3 KiB
C

/****************************************************************************
* libs/libc/locale/lib_langinfo.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <langinfo.h>
#ifdef CONFIG_LIBC_LOCALE
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nl_langinfo
*
* Description:
* locales are not supported by NuttX
*
****************************************************************************/
FAR char *nl_langinfo(nl_item item)
{
switch (item)
{
case CODESET:
/* if current locale encode length are 1, the codeset are ASCII,
* then we support utf-8
*/
if (MB_CUR_MAX == 1)
{
return "ASCII";
}
return "UTF-8";
case RADIXCHAR:
return ".";
case THOUSEP:
return ",";
case ABDAY_1:
return "Sun";
case ABDAY_2:
return "Mon";
case ABDAY_3:
return "Tue";
case ABDAY_4:
return "Wed";
case ABDAY_5:
return "Thu";
case ABDAY_6:
return "Fri";
case ABDAY_7:
return "Sat";
case DAY_1:
return "Sunday";
case DAY_2:
return "Monday";
case DAY_3:
return "Tuesday";
case DAY_4:
return "Wednesday";
case DAY_5:
return "Thursday";
case DAY_6:
return "Friday";
case DAY_7:
return "Saturday";
case ABMON_1:
return "Jan";
case ABMON_2:
return "Feb";
case ABMON_3:
return "Mar";
case ABMON_4:
return "Apr";
case ABMON_5:
return "May";
case ABMON_6:
return "Jun";
case ABMON_7:
return "Jul";
case ABMON_8:
return "Aug";
case ABMON_9:
return "Sep";
case ABMON_10:
return "Oct";
case ABMON_11:
return "Nov";
case ABMON_12:
return "Dev";
case MON_1:
return "January";
case MON_2:
return "Feburary";
case MON_3:
return "March";
case MON_4:
return "April";
case MON_5:
return "May";
case MON_6:
return "June";
case MON_7:
return "July";
case MON_8:
return "August";
case MON_9:
return "September";
case MON_10:
return "October";
case MON_11:
return "November";
case MON_12:
return "December";
case AM_STR:
return "AM";
case PM_STR:
return "PM";
case D_T_FMT:
return "%a %b %e %H:%M:%S %Y";
case D_FMT:
return "%F";
case T_FMT:
return "%T";
case T_FMT_AMPM:
return "%I:%M:%S %p";
case ERA:
return "";
case ERA_D_FMT:
return "";
case ALT_DIGITS:
return "";
case ERA_D_T_FMT:
return "";
case ERA_T_FMT:
return "";
case CRNCYSTR:
return "";
case YESEXPR:
return "^[yY]";
case NOEXPR:
return "^[nN]";
case YESSTR:
return "yes";
case NOSTR:
return "no";
}
return "";
}
#endif