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Update Musl Libc code

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We now have implement all of Musl's localization code, the same way that
Musl implements localization. You may need setlocale(LC_ALL, "C.UTF-8"),
just in case anything stops working as expected.
This commit is contained in:
Justine Tunney 2024-07-30 09:14:57 -07:00
parent d0360bf4bd
commit bb815eafaf
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116 changed files with 6525 additions and 5523 deletions
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137
third_party/musl/locale_map.c vendored Normal file
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/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
│ vi: set noet ft=c ts=8 sw=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/str.h"
#include "libc/calls/calls.h"
#include "third_party/musl/mapfile.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/str/locale.internal.h"
__static_yoink("musl_libc_notice");
#define malloc _mapanon
#define calloc undef
#define realloc undef
#define free undef
#pragma GCC diagnostic ignored "-Wparentheses"
const char *__lctrans_impl(const char *msg, const struct __locale_map *lm)
{
const char *trans = 0;
if (lm) trans = __mo_lookup(lm->map, lm->map_size, msg);
return trans ? trans : msg;
}
static const char envvars[][12] = {
"LC_CTYPE",
"LC_NUMERIC",
"LC_TIME",
"LC_COLLATE",
"LC_MONETARY",
"LC_MESSAGES",
};
const struct __locale_map *__get_locale(int cat, const char *val)
{
static void *volatile loc_head;
const struct __locale_map *p;
struct __locale_map *new = 0;
const char *path = 0, *z;
char buf[256];
size_t l, n;
if (!*val) {
(val = getenv("LC_ALL")) && *val ||
(val = getenv(envvars[cat])) && *val ||
(val = getenv("LANG")) && *val ||
(val = "C.UTF-8");
}
/* Limit name length and forbid leading dot or any slashes. */
for (n=0; n<LOCALE_NAME_MAX && val[n] && val[n]!='/'; n++);
if (val[0]=='.' || val[n]) val = "C.UTF-8";
int builtin = (val[0]=='C' && !val[1])
|| !strcmp(val, "C.UTF-8")
|| !strcmp(val, "POSIX");
if (builtin) {
if (cat == LC_CTYPE && val[1]=='.')
return (void *)&__c_dot_utf8;
return 0;
}
for (p=loc_head; p; p=p->next)
if (!strcmp(val, p->name)) return p;
path = secure_getenv("MUSL_LOCPATH");
/* FIXME: add a default path? */
if (path) for (; *path; path=z+!!*z) {
z = strchrnul(path, ':');
l = z - path;
if (l >= sizeof buf - n - 2) continue;
memcpy(buf, path, l);
buf[l] = '/';
memcpy(buf+l+1, val, n);
buf[l+1+n] = 0;
size_t map_size;
const void *map = __map_file(buf, &map_size);
if (map) {
new = malloc(sizeof *new);
if (!new) {
munmap((void *)map, map_size);
break;
}
new->map = map;
new->map_size = map_size;
memcpy(new->name, val, n);
new->name[n] = 0;
new->next = loc_head;
loc_head = new;
break;
}
}
/* If no locale definition was found, make a locale map
* object anyway to store the name, which is kept for the
* sake of being able to do message translations at the
* application level. */
if (!new && (new = malloc(sizeof *new))) {
new->map = __c_dot_utf8.map;
new->map_size = __c_dot_utf8.map_size;
memcpy(new->name, val, n);
new->name[n] = 0;
new->next = loc_head;
loc_head = new;
}
/* For LC_CTYPE, never return a null pointer unless the
* requested name was "C" or "POSIX". */
if (!new && cat == LC_CTYPE) new = (void *)&__c_dot_utf8;
return new;
}