1 files changed, 73 insertions, 0 deletions
diff --git a/src/tar.h b/src/tar.h
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+/*
+ * Copyright (c) Ian F. Darwin 1986-1995.
+ * Software written by Ian F. Darwin and others;
+ * maintained 1995-present by Christos Zoulas and others.
+ *
+ * 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 immediately at the beginning of the file, without modification,
+ *    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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+/*
+ * Header file for public domain tar (tape archive) program.
+ *
+ * @(#)tar.h 1.20 86/10/29	Public Domain.
+ *
+ * Created 25 August 1985 by John Gilmore, ihnp4!hoptoad!gnu.
+ *
+ * $File: tar.h,v 1.13 2010/11/30 14:58:53 rrt Exp $ # checkin only
+ */
+
+/*
+ * Header block on tape.
+ *
+ * I'm going to use traditional DP naming conventions here.
+ * A "block" is a big chunk of stuff that we do I/O on.
+ * A "record" is a piece of info that we care about.
+ * Typically many "record"s fit into a "block".
+ */
+#define	RECORDSIZE	512
+#define	NAMSIZ	100
+#define	TUNMLEN	32
+#define	TGNMLEN	32
+
+union record {
+	unsigned char	charptr[RECORDSIZE];
+	struct header {
+		char	name[NAMSIZ];
+		char	mode[8];
+		char	uid[8];
+		char	gid[8];
+		char	size[12];
+		char	mtime[12];
+		char	chksum[8];
+		char	linkflag;
+		char	linkname[NAMSIZ];
+		char	magic[8];
+		char	uname[TUNMLEN];
+		char	gname[TGNMLEN];
+		char	devmajor[8];
+		char	devminor[8];
+	} header;
+};
+
+/* The magic field is filled with this if uname and gname are valid. */
+#define	TMAGIC		"ustar"		/* 5 chars and a null */
+#define	GNUTMAGIC	"ustar  "	/* 7 chars and a null */