1 files changed, 46 insertions, 0 deletions
diff --git a/libc/time/asc_conv.c b/libc/time/asc_conv.c
new file mode 100644
index 0000000..0ba48f1
--- /dev/null
+++ b/libc/time/asc_conv.c
@@ -0,0 +1,46 @@
+
+#include <time.h>
+#include <string.h>
+/*
+ * Internal ascii conversion routine, avoid use of printf, it's a bit big!
+ */
+
+static hit(buf, val)
+char * buf;
+int val;
+{
+   *buf = '0' + val%10;
+}
+
+void
+__asctime(buffer, ptm)
+char * buffer;
+struct tm * ptm;
+{
+static days[] = "SunMonTueWedThuFriSat";
+static mons[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
+   int year;
+
+   /*              012345678901234567890123456 */
+   strcpy(buffer, "Err Err .. ..:..:.. ....\n");
+   if( ptm->tm_wday >= 0 && ptm->tm_wday <= 6 )
+      memcpy(buffer, days+3*ptm->tm_wday, 3);
+
+   if( ptm->tm_mon >= 1 && ptm->tm_mon <= 12 )
+      memcpy(buffer+4, mons+3*ptm->tm_mon-3, 3);
+
+   hit(buffer+ 8, ptm->tm_mday/10);
+   hit(buffer+ 9, ptm->tm_mday   );
+   hit(buffer+11, ptm->tm_hour/10);
+   hit(buffer+12, ptm->tm_hour   );
+   hit(buffer+14, ptm->tm_min/10);
+   hit(buffer+15, ptm->tm_min   );
+   hit(buffer+17, ptm->tm_sec/10);
+   hit(buffer+18, ptm->tm_sec   );
+
+   year = ptm->tm_year + 1900;
+   hit(buffer+20, year/1000);
+   hit(buffer+21, year/100);
+   hit(buffer+22, year/10);
+   hit(buffer+23, year);
+}