4 #include "locale_impl.h"
7 const char *__nl_langinfo_l(nl_item, locale_t);
9 char *__asctime(const struct tm *restrict tm, char *restrict buf)
11 if (snprintf(buf, 26, "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
12 __nl_langinfo_l(ABDAY_1+tm->tm_wday, C_LOCALE),
13 __nl_langinfo_l(ABMON_1+tm->tm_mon, C_LOCALE),
14 tm->tm_mday, tm->tm_hour,
15 tm->tm_min, tm->tm_sec,
16 1900 + tm->tm_year) >= 26)
18 /* ISO C requires us to use the above format string,
19 * even if it will not fit in the buffer. Thus asctime_r
20 * is _supposed_ to crash if the fields in tm are too large.
21 * We follow this behavior and crash "gracefully" to warn
22 * application developers that they may not be so lucky
23 * on other implementations (e.g. stack smashing..).