1 files changed, 116 insertions, 0 deletions
diff --git a/usr.bin/at/stime.c b/usr.bin/at/stime.c
new file mode 100644
index 0000000..567b848
--- /dev/null
+++ b/usr.bin/at/stime.c
@@ -0,0 +1,116 @@
+/*	$NetBSD: stime.c,v 1.7 2008/07/21 14:19:21 lukem Exp $	*/
+
+/*
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1993\
+ The Regents of the University of California.  All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "from: @(#)touch.c	8.2 (Berkeley) 4/28/95";
+#endif
+__RCSID("$NetBSD: stime.c,v 1.7 2008/07/21 14:19:21 lukem Exp $");
+#endif /* not lint */
+
+#include <err.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <tzfile.h>
+
+#include "stime.h"
+
+#define	ATOI2(s)	((s) += 2, ((s)[-2] - '0') * 10 + ((s)[-1] - '0'))
+
+time_t
+stime(char *arg)
+{
+	struct tm *t;
+	time_t tmptime;
+	int yearset;
+	char *p;
+					/* Start with the current time. */
+	if (time(&tmptime) == (time_t)-1)
+		err(EXIT_FAILURE, "time");
+
+	if ((t = localtime(&tmptime)) == NULL)
+		err(EXIT_FAILURE, "localtime");
+					/* [[CC]YY]MMDDhhmm[.SS] */
+	if ((p = strchr(arg, '.')) == NULL)
+		t->tm_sec = 0;		/* Seconds defaults to 0. */
+	else {
+		if (strlen(p + 1) != 2)
+			goto terr;
+		*p++ = '\0';
+		t->tm_sec = ATOI2(p);
+	}
+
+	yearset = 0;
+	switch (strlen(arg)) {
+	case 12:			/* CCYYMMDDhhmm */
+		t->tm_year = ATOI2(arg) * 100 - TM_YEAR_BASE;
+		yearset = 1;
+		/* FALLTHROUGH */
+	case 10:			/* YYMMDDhhmm */
+		if (yearset) {
+			t->tm_year += ATOI2(arg);
+		} else {
+			yearset = ATOI2(arg);
+			t->tm_year = conv_2dig_year(yearset) - TM_YEAR_BASE;
+		}
+		/* FALLTHROUGH */
+	case 8:				/* MMDDhhmm */
+		t->tm_mon = ATOI2(arg);
+		--t->tm_mon;		/* Convert from 01-12 to 00-11 */
+		/* FALLTHROUGH */
+	case 6:
+		t->tm_mday = ATOI2(arg);
+		/* FALLTHROUGH */
+	case 4:
+		t->tm_hour = ATOI2(arg);
+		/* FALLTHROUGH */
+	case 2:
+		t->tm_min = ATOI2(arg);
+		break;
+	default:
+		goto terr;
+	}
+
+	t->tm_isdst = -1;		/* Figure out DST. */
+	tmptime = mktime(t);
+	if (tmptime == (time_t)-1) {
+ terr:		errx(EXIT_FAILURE,
+     "out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]");
+	}
+	return tmptime;
+}