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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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102
third_party/musl/setlocale.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/str/locale.internal.h"
__static_yoink("musl_libc_notice");
static char buf[LC_ALL*(LOCALE_NAME_MAX+1)];
char *setlocale(int cat, const char *name)
{
const struct __locale_map *lm;
if ((unsigned)cat > LC_ALL) return 0;
pthread_mutex_lock(&__locale_lock);
/* For LC_ALL, setlocale is required to return a string which
* encodes the current setting for all categories. The format of
* this string is unspecified, and only the following code, which
* performs both the serialization and deserialization, depends
* on the format, so it can easily be changed if needed. */
if (cat == LC_ALL) {
int i;
if (name) {
struct __locale_struct tmp_locale;
char part[LOCALE_NAME_MAX+1] = "C.UTF-8";
const char *p = name;
for (i=0; i<LC_ALL; i++) {
const char *z = strchrnul(p, ';');
if (z-p <= LOCALE_NAME_MAX) {
memcpy(part, p, z-p);
part[z-p] = 0;
if (*z) p = z+1;
}
lm = __get_locale(i, part);
if (lm == LOC_MAP_FAILED) {
pthread_mutex_unlock(&__locale_lock);
return 0;
}
tmp_locale.cat[i] = lm;
}
__global_locale = tmp_locale;
}
char *s = buf;
const char *part;
int same = 0;
for (i=0; i<LC_ALL; i++) {
const struct __locale_map *lm =
__global_locale.cat[i];
if (lm == __global_locale.cat[0]) same++;
part = lm ? lm->name : "C";
size_t l = strlen(part);
memcpy(s, part, l);
s[l] = ';';
s += l+1;
}
*--s = 0;
pthread_mutex_unlock(&__locale_lock);
return same==LC_ALL ? (char *)part : buf;
}
if (name) {
lm = __get_locale(cat, name);
if (lm == LOC_MAP_FAILED) {
pthread_mutex_unlock(&__locale_lock);
return 0;
}
__global_locale.cat[cat] = lm;
} else {
lm = __global_locale.cat[cat];
}
char *ret = lm ? (char *)lm->name : "C";
pthread_mutex_unlock(&__locale_lock);
return ret;
}