Archive.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef ARCHIVE_H
#define ARCHIVE_H
 
#include "pedigree/kernel/processor/MemoryRegion.h"
#include "pedigree/kernel/processor/types.h"
 
class Archive {
 public:
  Archive(uint8_t* pPhys, size_t sSize);
  ~Archive();
 
  size_t getNumFiles();
 
  size_t getFileSize(size_t n);
 
  char* getFileName(size_t n);
 
  uintptr_t* getFile(size_t n);
 
 private:
  struct ArchiveFile {
    char name[100];      // Filename.
    char mode[8];        // Permissions.
    char uid[8];         // User ID.
    char gid[8];         // Group ID.
    char size[12];       // Size, in bytes (octal)
    char mtime[12];      // Modification time.
    char chksum[8];      // Header checksum.
    char link;           // Link type: 0 = regular file, 1 = hard link, 2 = symlink.
    char linkname[100];  // Linked-to file name.
  };
 
  ArchiveFile* getFirst();
  ArchiveFile* getNext(ArchiveFile* pFile);
  ArchiveFile* get(size_t n);
 
  uint8_t* m_pBase;
  MemoryRegion m_Region;
};
 
#endif