1 files changed, 112 insertions, 0 deletions
diff --git a/sbin/dump/unctime.c b/sbin/dump/unctime.c
new file mode 100644
index 00000000000..0613246bddb
--- /dev/null
+++ b/sbin/dump/unctime.c
@@ -0,0 +1,112 @@
+/*	$NetBSD: unctime.c,v 1.9 1995/03/18 14:55:11 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1980, 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)unctime.c	8.2 (Berkeley) 6/14/94";
+#else
+static char rcsid[] = "$NetBSD: unctime.c,v 1.9 1995/03/18 14:55:11 cgd Exp $";
+#endif
+#endif /* not lint */
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <time.h>
+#ifdef __STDC__
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#ifndef __P
+#include <sys/cdefs.h>
+#endif
+
+/*
+ * Convert a ctime(3) format string into a system format date.
+ * Return the date thus calculated.
+ *
+ * Return -1 if the string is not in ctime format.
+ */
+
+/*
+ * Offsets into the ctime string to various parts.
+ */
+
+#define	E_MONTH		4
+#define	E_DAY		8
+#define	E_HOUR		11
+#define	E_MINUTE	14
+#define	E_SECOND	17
+#define	E_YEAR		20
+
+static	int lookup __P((char *));
+
+
+time_t
+unctime(str)
+	char *str;
+{
+	struct tm then;
+	char dbuf[26];
+
+	(void) strncpy(dbuf, str, sizeof(dbuf) - 1);
+	dbuf[sizeof(dbuf) - 1] = '\0';
+	dbuf[E_MONTH+3] = '\0';
+	if ((then.tm_mon = lookup(&dbuf[E_MONTH])) < 0)
+		return (-1);
+	then.tm_mday = atoi(&dbuf[E_DAY]);
+	then.tm_hour = atoi(&dbuf[E_HOUR]);
+	then.tm_min = atoi(&dbuf[E_MINUTE]);
+	then.tm_sec = atoi(&dbuf[E_SECOND]);
+	then.tm_year = atoi(&dbuf[E_YEAR]) - 1900;
+	then.tm_isdst = -1;
+	return(mktime(&then));
+}
+
+static char months[] =
+	"JanFebMarAprMayJunJulAugSepOctNovDec";
+
+static int
+lookup(str)
+	char *str;
+{
+	register char *cp, *cp2;
+
+	for (cp = months, cp2 = str; *cp != '\0'; cp += 3)
+		if (strncmp(cp, cp2, 3) == 0)
+			return((cp-months) / 3);
+	return(-1);
+}