IFC to populate initial libarchive-portable tree.

SVN-Revision: 1

1 files changed, 99 insertions, 0 deletions

diff --git a/libarchive/archive_private.h b/libarchive/archive_private.h
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+++ b/libarchive/archive_private.h
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+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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(S) 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.
+ *
+ * $FreeBSD: src/lib/libarchive/archive_private.h,v 1.29 2007/04/02 00:15:45 kientzle Exp $
+ */
+
+#ifndef ARCHIVE_PRIVATE_H_INCLUDED
+#define	ARCHIVE_PRIVATE_H_INCLUDED
+
+#include "archive.h"
+#include "archive_string.h"
+
+#define	ARCHIVE_WRITE_MAGIC	(0xb0c5c0deU)
+#define	ARCHIVE_READ_MAGIC	(0xdeb0c5U)
+#define ARCHIVE_WRITE_DISK_MAGIC (0xc001b0c5U)
+
+#define	ARCHIVE_STATE_ANY	0xFFFFU
+#define	ARCHIVE_STATE_NEW	1U
+#define	ARCHIVE_STATE_HEADER	2U
+#define	ARCHIVE_STATE_DATA	4U
+#define ARCHIVE_STATE_DATA_END	8U
+#define	ARCHIVE_STATE_EOF	0x10U
+#define	ARCHIVE_STATE_CLOSED	0x20U
+#define	ARCHIVE_STATE_FATAL	0x8000U
+
+struct archive_vtable {
+	int	(*archive_write_close)(struct archive *);
+	int	(*archive_write_finish)(struct archive *);
+	int	(*archive_write_header)(struct archive *,
+	    struct archive_entry *);
+	int	(*archive_write_finish_entry)(struct archive *);
+	ssize_t	(*archive_write_data)(struct archive *,
+	    const void *, size_t);
+	ssize_t	(*archive_write_data_block)(struct archive *,
+	    const void *, size_t, off_t);
+};
+
+struct archive {
+	/*
+	 * The magic/state values are used to sanity-check the
+	 * client's usage.  If an API function is called at a
+	 * ridiculous time, or the client passes us an invalid
+	 * pointer, these values allow me to catch that.
+	 */
+	unsigned int	magic;
+	unsigned int	state;
+
+	/*
+	 * Some public API functions depend on the "real" type of the
+	 * archive object.
+	 */
+	struct archive_vtable *vtable;
+
+	int		  archive_format;
+	const char	 *archive_format_name;
+
+	int	  compression_code;	/* Currently active compression. */
+	const char *compression_name;
+
+	/* Position in UNCOMPRESSED data stream. */
+	off_t		  file_position;
+	/* Position in COMPRESSED data stream. */
+	off_t		  raw_position;
+
+	int		  archive_error_number;
+	const char	 *error;
+	struct archive_string	error_string;
+};
+
+/* Check magic value and state; exit if it isn't valid. */
+void	__archive_check_magic(struct archive *, unsigned int magic,
+	    unsigned int state, const char *func);
+
+void	__archive_errx(int retvalue, const char *msg);
+
+#define	err_combine(a,b)	((a) < (b) ? (a) : (b))
+
+#endif