Add build system scaffolding and libc headers

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/libc/time/asctime.c b/lib/libc/time/asctime.c
new file mode 100644
index 00000000..54729a77
--- /dev/null
+++ b/lib/libc/time/asctime.c
@@ -0,0 +1,19 @@
+#include <time.h>
+#include <stdio.h>
+
+char *asctime(const struct tm *timeptr)
+{
+	static char wday_name[7][3] = { "Sun", "Mon", "Tue", "Wed",
+					"Thu", "Fri", "Sat" };
+	static char mon_name[12][3] = { "Jan", "Feb", "Mar", "Apr",
+					"May", "Jun", "Jul", "Aug",
+					"Sep", "Oct", "Nov", "Dec" };
+	static char result[26];
+
+	snprintf(result, sizeof(result), "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
+		 wday_name[timeptr->tm_wday], mon_name[timeptr->tm_mon],
+		 timeptr->tm_mday, timeptr->tm_hour, timeptr->tm_min,
+		 timeptr->tm_sec, 1900 + timeptr->tm_year);
+
+	return result;
+}