cosmopolitan/libc/str/langinfo.c
Jōshin 394d998315
Fix vi modelines (#989)
At least in neovim, `│vi:` is not recognized as a modeline because it
has no preceding whitespace. After fixing this, opening a file yields
an error because `net` is not an option. (`noet`, however, is.)
2023-12-05 14:37:54 -08:00

107 lines
4.4 KiB
C

/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=8 tw=8 fenc=utf-8 :vi │
╚──────────────────────────────────────────────────────────────────────────────╝
│ │
│ Musl Libc │
│ Copyright © 2005-2014 Rich Felker, et al. │
│ │
│ Permission is hereby granted, free of charge, to any person obtaining │
│ a copy of this software and associated documentation files (the │
│ "Software"), to deal in the Software without restriction, including │
│ without limitation the rights to use, copy, modify, merge, publish, │
│ distribute, sublicense, and/or sell copies of the Software, and to │
│ permit persons to whom the Software is furnished to do so, subject to │
│ the following conditions: │
│ │
│ The above copyright notice and this permission notice shall be │
│ included in all copies or substantial portions of the Software. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
│ │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/langinfo.h"
#include "libc/str/locale.h"
#include "libc/str/nltypes.h"
#include "libc/thread/tls.h"
asm(".ident\t\"\\n\\n\
Musl libc (MIT License)\\n\
Copyright 2005-2014 Rich Felker, et. al.\"");
asm(".include \"libc/disclaimer.inc\"");
// clang-format off
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 (!loc)
return "";
if (item == CODESET) return loc->cat[LC_CTYPE] ? "UTF-8" : "ASCII";
/* _NL_LOCALE_NAME extension */
if (idx == 65535 && cat < LC_ALL)
return loc->cat[cat] ? (char *)loc->cat[cat]->name : "C";
switch (cat) {
case LC_NUMERIC:
if (idx > 1) return "";
str = c_numeric;
break;
case LC_TIME:
if (idx > 0x31) return "";
str = c_time;
break;
case LC_MONETARY:
if (idx > 0) return "";
str = "";
break;
case LC_MESSAGES:
if (idx > 3) return "";
str = c_messages;
break;
default:
return "";
}
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, (locale_t)__get_tls()->tib_locale);
}