1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib9/ctime.c b/src/lib9/ctime.c
new file mode 100644
index 00000000..e9d971bf
--- /dev/null
+++ b/src/lib9/ctime.c
@@ -0,0 +1,51 @@
+#include <u.h>
+#include <libc.h>
+
+static
+void
+ct_numb(char *cp, int n)
+{
+
+	cp[0] = ' ';
+	if(n >= 10)
+		cp[0] = (n/10)%10 + '0';
+	cp[1] = n%10 + '0';
+}
+
+char*
+asctime(Tm *t)
+{
+	char *ncp;
+	static char cbuf[30];
+
+	strcpy(cbuf, "Thu Jan 01 00:00:00 GMT 1970\n");
+	ncp = &"SunMonTueWedThuFriSat"[t->wday*3];
+	cbuf[0] = *ncp++;
+	cbuf[1] = *ncp++;
+	cbuf[2] = *ncp;
+	ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[t->mon*3];
+	cbuf[4] = *ncp++;
+	cbuf[5] = *ncp++;
+	cbuf[6] = *ncp;
+	ct_numb(cbuf+8, t->mday);
+	ct_numb(cbuf+11, t->hour+100);
+	ct_numb(cbuf+14, t->min+100);
+	ct_numb(cbuf+17, t->sec+100);
+	ncp = t->zone;
+	cbuf[20] = *ncp++;
+	cbuf[21] = *ncp++;
+	cbuf[22] = *ncp;
+	if(t->year >= 100) {
+		cbuf[24] = '2';
+		cbuf[25] = '0';
+	}
+	ct_numb(cbuf+26, t->year+100);
+	return cbuf;
+}
+
+char*
+ctime(long t)
+{
+	return asctime(localtime(t));
+}
+