cosmopolitan/third_party/musl/asctime_r.c
Justine Tunney bb815eafaf
Update Musl Libc code
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.
2024-07-30 22:51:29 -07:00

52 lines
3.3 KiB
C

/*-*- 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/stdio/stdio.h"
#include "libc/str/langinfo.h"
#include "libc/str/locale.internal.h"
__static_yoink("musl_libc_notice");
char *asctime_r(const struct tm *tm, char *buf)
{
if (snprintf(buf, 26, "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
nl_langinfo_l(ABDAY_1+tm->tm_wday, C_LOCALE),
nl_langinfo_l(ABMON_1+tm->tm_mon, C_LOCALE),
tm->tm_mday, tm->tm_hour,
tm->tm_min, tm->tm_sec,
1900 + tm->tm_year) >= 26)
{
/* ISO C requires us to use the above format string,
* even if it will not fit in the buffer. Thus asctime_r
* is _supposed_ to crash if the fields in tm are too large.
* We follow this behavior and crash "gracefully" to warn
* application developers that they may not be so lucky
* on other implementations (e.g. stack smashing..).
*/
__builtin_trap();
}
return buf;
}