file_id.h

// Copyright (c) 2007, Google Inc.
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// file_id.h: Return a unique identifier for a file
//
// Author: Alfred Peng

#ifndef COMMON_SOLARIS_FILE_ID_H__
#define COMMON_SOLARIS_FILE_ID_H__

#include <limits.h>

namespace google_breakpad {

class FileID {
 public:
  FileID(const char *path);
  ~FileID() {};

  // Load the identifier for the elf file path specified in the constructor into
  // |identifier|.  Return false if the identifier could not be created for the
  // file.
  // The current implementation will return the MD5 hash of the file's bytes.
  bool ElfFileIdentifier(unsigned char identifier[16]);

  // Convert the |identifier| data to a NULL terminated string.  The string will
  // be formatted as a MDCVInfoPDB70 struct.
  // The |buffer| should be at least 34 bytes long to receive all of the data
  // and termination. Shorter buffers will return false.
  static bool ConvertIdentifierToString(const unsigned char identifier[16],
                                        char *buffer, int buffer_length);

 private:
  // Storage for the path specified
  char path_[PATH_MAX];
};

}  // namespace google_breakpad

#endif  // COMMON_SOLARIS_FILE_ID_H__