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/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DateConstants.h>
#include <langinfo.h>
// Values taken from glibc's en_US locale files.
static char const* __nl_langinfo(nl_item item)
{
switch (item) {
case CODESET:
return "UTF-8";
case D_T_FMT:
return "%a %d %b %Y %r %Z";
case D_FMT:
return "%m/%d/%Y";
case T_FMT:
return "%r";
case T_FMT_AMPM:
return "%I:%M:%S %p";
case AM_STR:
return "AM";
case PM_STR:
return "PM";
case DAY_1:
case DAY_2:
case DAY_3:
case DAY_4:
case DAY_5:
case DAY_6:
case DAY_7:
return long_day_names[item - DAY_1].characters_without_null_termination();
case ABDAY_1:
case ABDAY_2:
case ABDAY_3:
case ABDAY_4:
case ABDAY_5:
case ABDAY_6:
case ABDAY_7:
return short_day_names[item - ABDAY_1].characters_without_null_termination();
case MON_1:
case MON_2:
case MON_3:
case MON_4:
case MON_5:
case MON_6:
case MON_7:
case MON_8:
case MON_9:
case MON_10:
case MON_11:
case MON_12:
return long_month_names[item - MON_1].characters_without_null_termination();
case ABMON_1:
case ABMON_2:
case ABMON_3:
case ABMON_4:
case ABMON_5:
case ABMON_6:
case ABMON_7:
case ABMON_8:
case ABMON_9:
case ABMON_10:
case ABMON_11:
case ABMON_12:
return short_month_names[item - ABMON_1].characters_without_null_termination();
case RADIXCHAR:
return ".";
case THOUSEP:
return ",";
case YESEXPR:
return "^[+1yY]";
case NOEXPR:
return "^[-0nN]";
// en_US does not have ERA.
case ERA:
case ERA_D_FMT:
case ERA_D_T_FMT:
case ERA_T_FMT:
// en_US also doesn't have special digit symbols.
case ALT_DIGITS:
// Invalid values also return an empty string.
default:
return "";
}
}
extern "C" {
char* nl_langinfo(nl_item item)
{
// POSIX states that returned strings should not be modified,
// so this cast is probably fine.
return const_cast<char*>(__nl_langinfo(item));
}
}
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