From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/time/__asctime.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/time/__asctime.c (limited to 'src/time/__asctime.c') diff --git a/src/time/__asctime.c b/src/time/__asctime.c new file mode 100644 index 00000000..18535802 --- /dev/null +++ b/src/time/__asctime.c @@ -0,0 +1,27 @@ +#include +#include +#include + +const char *__langinfo(nl_item); + +char *__asctime(const struct tm *tm, char *buf) +{ + /* FIXME: change __langinfo to __C_langinfo once we have locales */ + if (snprintf(buf, 26, "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n", + __langinfo(ABDAY_1+tm->tm_wday), + __langinfo(ABMON_1+tm->tm_mon), + 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..). + */ + *(int*)0 = 0; + } + return buf; +} -- cgit v1.2.1