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arcmod.c

/*
 * Copyright (c) 2007 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>
 */

#include "arcmod.h"
#include "stat.h"
#include "data.h"
#include "linuxattr.h"
#include "fbsdattr.h"
#include "darwinattr.h"
#include "ext2.h"

struct arcmod xar_arcmods[] = {
      { xar_stat_archive, xar_stat_extract },      /* must be first */
      { xar_linuxattr_archive, xar_linuxattr_extract },
      { xar_fbsdattr_archive, xar_fbsdattr_extract },
      { xar_darwinattr_archive, xar_darwinattr_extract },
      { xar_ext2attr_archive, xar_ext2attr_extract },
      { xar_data_archive, xar_data_extract },
      /* Add new modules here */
      { NULL, xar_set_perm },
      { NULL, xar_flags_extract }
};

/* xar_arcmod_archive
 * x: archive to add the file to
 * f: node representing the file
 * file: the filesystem path to the file
 * Returns: 0 on success
 * Summary: This is the entry point to actual file archival.
 */
int32_t xar_arcmod_archive(xar_t x, xar_file_t f, const char *file, const char *buffer, size_t len) {
      int i;
      int32_t ret;
      for(i = 0; i < (sizeof(xar_arcmods)/sizeof(struct arcmod)); i++) {
            if( xar_arcmods[i].archive ) {
                  ret = xar_arcmods[i].archive(x, f, file, buffer, len);
                  if( ret < 0 ) {
                        return ret;
                  }
                  if( ret > 0 ) {
                        return 0;
                  }
            }
      }
      return 0;
}

/* xar_arcmod_extract
 * x: archive to extract the file from
 * f: node representing the file
 * file: the filesystem path to the target file
 * Returns: 0 on success
 * Summary: This is the entry point to actual file archival.
 */
int32_t xar_arcmod_extract(xar_t x, xar_file_t f, const char *file, char *buffer, size_t len) {
      int i;
      int32_t ret;
      for(i = 0; i < (sizeof(xar_arcmods)/sizeof(struct arcmod)); i++) {
            if( xar_arcmods[i].extract ) {
                  ret = xar_arcmods[i].extract(x, f, file, buffer, len);
                  if( ret < 0 ) {
                        return ret;
                  }
                  if( ret > 0 ) {
                        return 0;
                  }
            }
      }
      return 0;
}


int32_t xar_arcmod_verify(xar_t x, xar_file_t f){
      return xar_data_verify(x,f);
}

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