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diff --git a/src/common/solaris/file_id.h b/src/common/solaris/file_id.h
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+// Copyright (c) 2007, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * 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.
+//     * Neither the name of Google Inc. nor the names of its
+// 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.
+
+// 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__