mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 03:27:39 +00:00
bb815eafaf
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.
95 lines
4.1 KiB
C
95 lines
4.1 KiB
C
/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
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│ vi: set noet ft=c ts=8 sw=8 fenc=utf-8 :vi │
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╚──────────────────────────────────────────────────────────────────────────────╝
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│ │
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│ Musl Libc │
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│ Copyright © 2005-2014 Rich Felker, et al. │
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│ │
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│ Permission is hereby granted, free of charge, to any person obtaining │
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│ a copy of this software and associated documentation files (the │
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│ "Software"), to deal in the Software without restriction, including │
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│ without limitation the rights to use, copy, modify, merge, publish, │
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│ distribute, sublicense, and/or sell copies of the Software, and to │
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│ permit persons to whom the Software is furnished to do so, subject to │
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│ the following conditions: │
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│ │
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│ The above copyright notice and this permission notice shall be │
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│ included in all copies or substantial portions of the Software. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
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│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
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│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
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│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
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│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
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│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
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│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
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│ │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "third_party/musl/time_impl.h"
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#include "libc/str/str.h"
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#include "libc/str/locale.internal.h"
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__static_yoink("musl_libc_notice");
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size_t wcsftime_l(wchar_t *restrict s, size_t n, const wchar_t *restrict f, const struct tm *restrict tm, locale_t loc)
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{
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size_t l, k;
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char buf[100];
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wchar_t wbuf[100];
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wchar_t *p;
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const char *t_mb;
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const wchar_t *t;
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int pad, plus;
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unsigned long width;
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for (l=0; l<n; f++) {
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if (!*f) {
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s[l] = 0;
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return l;
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}
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if (*f != '%') {
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s[l++] = *f;
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continue;
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}
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f++;
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pad = 0;
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if (*f == '-' || *f == '_' || *f == '0') pad = *f++;
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if ((plus = (*f == '+'))) f++;
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width = wcstoul(f, &p, 10);
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if (*p == 'C' || *p == 'F' || *p == 'G' || *p == 'Y') {
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if (!width && p!=f) width = 1;
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} else {
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width = 0;
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}
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f = p;
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if (*f == 'E' || *f == 'O') f++;
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t_mb = __strftime_fmt_1(&buf, &k, *f, tm, loc, pad);
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if (!t_mb) break;
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k = mbstowcs(wbuf, t_mb, sizeof wbuf / sizeof *wbuf);
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if (k == (size_t)-1) return 0;
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t = wbuf;
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if (width) {
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for (; *t=='+' || *t=='-' || (*t=='0'&&t[1]); t++, k--);
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width--;
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if (plus && tm->tm_year >= 10000-1900)
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s[l++] = '+';
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else if (tm->tm_year < -1900)
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s[l++] = '-';
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else
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width++;
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for (; width > k && l < n; width--)
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s[l++] = '0';
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}
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if (k >= n-l) k = n-l;
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wmemcpy(s+l, t, k);
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l += k;
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}
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if (n) {
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if (l==n) l=n-1;
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s[l] = 0;
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}
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return 0;
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}
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size_t wcsftime(wchar_t *restrict wcs, size_t n, const wchar_t *restrict f, const struct tm *restrict tm)
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{
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return wcsftime_l(wcs, n, f, tm, CURRENT_LOCALE);
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}
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