IFC to populate initial libarchive-portable tree.

SVN-Revision: 1

1 files changed, 113 insertions, 0 deletions

diff --git a/libarchive/archive_write_private.h b/libarchive/archive_write_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_write_private.h,v 1.3 2008/03/15 11:04:45 kientzle Exp $
+ */
+
+#ifndef ARCHIVE_WRITE_PRIVATE_H_INCLUDED
+#define	ARCHIVE_WRITE_PRIVATE_H_INCLUDED
+
+#include "archive.h"
+#include "archive_string.h"
+#include "archive_private.h"
+
+struct archive_write {
+	struct archive	archive;
+
+	/* Dev/ino of the archive being written. */
+	dev_t		  skip_file_dev;
+	ino_t		  skip_file_ino;
+
+	/* Utility:  Pointer to a block of nulls. */
+	const unsigned char	*nulls;
+	size_t			 null_length;
+
+	/* Callbacks to open/read/write/close archive stream. */
+	archive_open_callback	*client_opener;
+	archive_write_callback	*client_writer;
+	archive_close_callback	*client_closer;
+	void			*client_data;
+
+	/*
+	 * Blocking information.  Note that bytes_in_last_block is
+	 * misleadingly named; I should find a better name.  These
+	 * control the final output from all compressors, including
+	 * compression_none.
+	 */
+	int		  bytes_per_block;
+	int		  bytes_in_last_block;
+
+	/*
+	 * These control whether data within a gzip/bzip2 compressed
+	 * stream gets padded or not.  If pad_uncompressed is set,
+	 * the data will be padded to a full block before being
+	 * compressed.  The pad_uncompressed_byte determines the value
+	 * that will be used for padding.  Note that these have no
+	 * effect on compression "none."
+	 */
+	int		  pad_uncompressed;
+	int		  pad_uncompressed_byte; /* TODO: Support this. */
+
+	/*
+	 * On write, the client just invokes an archive_write_set function
+	 * which sets up the data here directly.
+	 */
+	struct {
+		void	 *data;
+		void	 *config;
+		int	(*init)(struct archive_write *);
+		int	(*finish)(struct archive_write *);
+		int	(*write)(struct archive_write *, const void *, size_t);
+	} compressor;
+
+	/*
+	 * Pointers to format-specific functions for writing.  They're
+	 * initialized by archive_write_set_format_XXX() calls.
+	 */
+	void	 *format_data;
+	int	(*format_init)(struct archive_write *);
+	int	(*format_finish)(struct archive_write *);
+	int	(*format_destroy)(struct archive_write *);
+	int	(*format_finish_entry)(struct archive_write *);
+	int 	(*format_write_header)(struct archive_write *,
+		    struct archive_entry *);
+	ssize_t	(*format_write_data)(struct archive_write *,
+		    const void *buff, size_t);
+};
+
+/*
+ * Utility function to format a USTAR header into a buffer.  If
+ * "strict" is set, this tries to create the absolutely most portable
+ * version of a ustar header.  If "strict" is set to 0, then it will
+ * relax certain requirements.
+ *
+ * Generally, format-specific declarations don't belong in this
+ * header; this is a rare example of a function that is shared by
+ * two very similar formats (ustar and pax).
+ */
+int
+__archive_write_format_header_ustar(struct archive_write *, char buff[512],
+    struct archive_entry *, int tartype, int strict);
+
+#endif