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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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94
third_party/musl/newlocale.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/runtime/runtime.h"
#include "libc/str/str.h"
#include "libc/str/locale.internal.h"
__static_yoink("musl_libc_notice");
#define malloc _mapanon
#define calloc undef
#define realloc undef
#define free undef
static int default_locale_init_done;
static struct __locale_struct default_locale, default_ctype_locale;
int __loc_is_allocated(locale_t loc)
{
return loc && loc != C_LOCALE && loc != UTF8_LOCALE
&& loc != &default_locale && loc != &default_ctype_locale;
}
static locale_t do_newlocale(int mask, const char *name, locale_t loc)
{
struct __locale_struct tmp;
for (int i=0; i<LC_ALL; i++) {
tmp.cat[i] = (!(mask & (1<<i)) && loc) ? loc->cat[i] :
__get_locale(i, (mask & (1<<i)) ? name : "");
if (tmp.cat[i] == LOC_MAP_FAILED)
return 0;
}
/* For locales with allocated storage, modify in-place. */
if (__loc_is_allocated(loc)) {
*loc = tmp;
return loc;
}
/* Otherwise, first see if we can use one of the builtin locales.
* This makes the common usage case for newlocale, getting a C locale
* with predictable behavior, very fast, and more importantly, fail-safe. */
if (!memcmp(&tmp, C_LOCALE, sizeof tmp)) return C_LOCALE;
if (!memcmp(&tmp, UTF8_LOCALE, sizeof tmp)) return UTF8_LOCALE;
/* And provide builtins for the initial default locale, and a
* variant of the C locale honoring the default locale's encoding. */
if (!default_locale_init_done) {
for (int i=0; i<LC_ALL; i++)
default_locale.cat[i] = __get_locale(i, "");
default_ctype_locale.cat[LC_CTYPE] = default_locale.cat[LC_CTYPE];
default_locale_init_done = 1;
}
if (!memcmp(&tmp, &default_locale, sizeof tmp)) return &default_locale;
if (!memcmp(&tmp, &default_ctype_locale, sizeof tmp))
return &default_ctype_locale;
/* If no builtin locale matched, attempt to allocate and copy. */
if ((loc = malloc(sizeof *loc))) *loc = tmp;
return loc;
}
locale_t newlocale(int mask, const char *name, locale_t loc)
{
pthread_mutex_lock(&__locale_lock);
loc = do_newlocale(mask, name, loc);
pthread_mutex_unlock(&__locale_lock);
return loc;
}