Logo Search packages:      
Sourcecode: xar version File versions  Download package

archive.h

/*
 * Copyright (c) 2005 Rob Braun
 * 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 Rob Braun nor the names of his contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 */
/*
 * 03-Apr-2005
 * DRI: Rob Braun <bbraun@opendarwin.org>
 */
/*
 * Portions Copyright 2006, Apple Computer, Inc.
 * Christopher Ryan <ryanc@apple.com>
 */


#ifndef _XAR_ARCHIVE_H_
#define _XAR_ARCHIVE_H_
#include <zlib.h>
#include <libxml/hash.h>
#include <openssl/evp.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "xar.h"
#include "filetree.h"

struct errctx {
      const char *str;
      int         saved_errno;
      xar_file_t  file;
      void       *usrctx;
};

struct __xar_t {
      xar_prop_t props;
      xar_attr_t attrs;      /* archive options, such as rsize */
      const char *prefix;
      const char *ns;
      const char *filler1;
      const char *filler2;
      xar_file_t files;       /* file forest */
      const char *filename;   /* name of the archive we are operating on */
      char *dirname;          /* directory of the archive, used in creation */
      int fd;                 /* open file descriptor for the archive */
      int heap_fd;            /* fd for tmp heap archive, used in creation */
      off_t heap_offset;      /* current offset within the heap */
      off_t heap_len;         /* current length of the heap */
      xar_header_t header;    /* header of the xar archive */
      void *readbuf;          /* buffer for reading/writing compressed toc */
      size_t readbuf_len;     /* length of readbuf */
      size_t offset;          /* offset into readbuf for keeping track
                               * between callbacks. */
      size_t toc_count;       /* current bytes read of the toc */
      z_stream zs;            /* gz state for compressing/decompressing toc */
      char *path_prefix;      /* used for distinguishing absolute paths */
      err_handler ercallback; /* callback for errors/warnings */
      struct errctx errctx;   /* error callback context */
      xar_subdoc_t subdocs;   /* linked list of subdocs */
      xar_signature_t signatures; /* linked list of signatures */
      uint64_t last_fileid;       /* unique fileid's in the archive */
      xmlHashTablePtr ino_hash;   /* Hash for looking up hardlinked files (add)*/
      xmlHashTablePtr link_hash;  /* Hash for looking up hardlinked files (extract)*/
      xmlHashTablePtr csum_hash;  /* Hash for looking up checksums of files */
      EVP_MD_CTX toc_ctx;
      int docksum;
      int skipwarn;
      struct stat sbcache;
};

#define XAR(x) ((struct __xar_t *)(x))

#endif /* _XAR_ARCHIVE_H_ */

Generated by  Doxygen 1.6.0   Back to index