Import BSDDB 4.7.25 (as of svn r89086)

os_brew/ctime.c

@@ -0,0 +1,81 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 2001,2008 Oracle.  All rights reserved.
+ *
+ * $Id: ctime.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+static void  __os_brew_ct_numb __P((char *, int));
+
+/*
+ * __os_ctime --
+ *	Format a time-stamp.
+ */
+char *
+__os_ctime(tod, time_buf)
+	const time_t *tod;
+	char *time_buf;
+{
+	JulianType jt;
+	time_t tt;
+	char *ncp;
+
+	strcpy(time_buf, "Thu Jan 01 00:00:00 1970");
+	time_buf[CTIME_BUFLEN - 1] = '\0';
+
+	/*
+	 * Berkeley DB uses POSIX time values internally, convert to a BREW
+	 * time value.
+	 */
+	tt = *tod - BREW_EPOCH_OFFSET + LOCALTIMEOFFSET(NULL);
+	GETJULIANDATE(tt, &jt);
+
+	/*
+	 * wWeekDay : Day of the week 0-6 (0=Monday, 6=Sunday)
+	 */
+	ncp = &"MonTueWedThuFriSatSun"[jt.wWeekDay*3];
+	time_buf[0] = *ncp++;
+	time_buf[1] = *ncp++;
+	time_buf[2] = *ncp;
+	ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[(jt.wMonth - 1) * 3];
+	time_buf[4] = *ncp++;
+	time_buf[5] = *ncp++;
+	time_buf[6] = *ncp;
+
+	__os_brew_ct_numb(time_buf + 8, jt.wDay);
+					/* Add 100 to keep the leading zero. */
+	__os_brew_ct_numb(time_buf + 11, jt.wHour + 100);
+	__os_brew_ct_numb(time_buf + 14, jt.wMinute + 100);
+	__os_brew_ct_numb(time_buf + 17, jt.wSecond + 100);
+
+	if (jt.wYear < 100) {		/* 9 99 */
+		time_buf[20] = ' ';
+		time_buf[21] = ' ';
+		__os_brew_ct_numb(time_buf + 22, jt.wYear);
+	} else {			/* 99 1999 */
+		__os_brew_ct_numb(time_buf + 20, jt.wYear / 100);
+		__os_brew_ct_numb(time_buf + 22, jt.wYear % 100 + 100);
+	}
+
+	return (time_buf);
+}
+
+/*
+ * __os_brew_ct_numb --
+ *	Append ASCII representations for two digits to a string.
+ */
+static void
+__os_brew_ct_numb(cp, n)
+	char *cp;
+	int n;
+{
+	cp[0] = ' ';
+	if (n >= 10)
+		cp[0] = (n / 10) % 10 + '0';
+	cp[1] = n % 10 + '0';
+}