third_party/ulib/musl/src/locale/langinfo.c

#include "libc.h"
#include "locale_impl.h"
#include <langinfo.h>
#include <locale.h>

static const char c_time[] = "Sun\0"
                             "Mon\0"
                             "Tue\0"
                             "Wed\0"
                             "Thu\0"
                             "Fri\0"
                             "Sat\0"
                             "Sunday\0"
                             "Monday\0"
                             "Tuesday\0"
                             "Wednesday\0"
                             "Thursday\0"
                             "Friday\0"
                             "Saturday\0"
                             "Jan\0"
                             "Feb\0"
                             "Mar\0"
                             "Apr\0"
                             "May\0"
                             "Jun\0"
                             "Jul\0"
                             "Aug\0"
                             "Sep\0"
                             "Oct\0"
                             "Nov\0"
                             "Dec\0"
                             "January\0"
                             "February\0"
                             "March\0"
                             "April\0"
                             "May\0"
                             "June\0"
                             "July\0"
                             "August\0"
                             "September\0"
                             "October\0"
                             "November\0"
                             "December\0"
                             "AM\0"
                             "PM\0"
                             "%a %b %e %T %Y\0"
                             "%m/%d/%y\0"
                             "%H:%M:%S\0"
                             "%I:%M:%S %p\0"
                             "\0"
                             "\0"
                             "%m/%d/%y\0"
                             "0123456789\0"
                             "%a %b %e %T %Y\0"
                             "%H:%M:%S";

static const char c_messages[] = "^[yY]\0"
                                 "^[nN]\0"
                                 "yes\0"
                                 "no";
static const char c_numeric[] = ".\0"
                                "";

char* __nl_langinfo_l(nl_item item, locale_t loc) {
    int cat = item >> 16;
    int idx = item & 65535;
    const char* str;

    if (item == CODESET)
        return (char*)(MB_CUR_MAX == 1 ? "ASCII" : "UTF-8");

    switch (cat) {
    case LC_NUMERIC:
        if (idx > 1)
            return (char*)"";
        str = c_numeric;
        break;
    case LC_TIME:
        if (idx > 0x31)
            return (char*)"";
        str = c_time;
        break;
    case LC_MONETARY:
        if (idx > 0)
            return (char*)"";
        str = "";
        break;
    case LC_MESSAGES:
        if (idx > 3)
            return (char*)"";
        str = c_messages;
        break;
    default:
        return (char*)"";
    }

    for (; idx; idx--, str++)
        for (; *str; str++)
            ;
    if (cat != LC_NUMERIC && *str)
        str = LCTRANS(str, cat, loc);
    return (char*)str;
}

char* __nl_langinfo(nl_item item) {
    return __nl_langinfo_l(item, CURRENT_LOCALE);
}

weak_alias(__nl_langinfo, nl_langinfo);
weak_alias(__nl_langinfo_l, nl_langinfo_l);