First round of dead file removal

experimental/visual_studio_plugin/third_party/breakpad/common/mac/macho_id.h

-// Copyright (c) 2006, 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.
-
-// macho_id.h: Functions to gather identifying information from a macho file
-//
-// Author: Dan Waylonis
-
-#ifndef COMMON_MAC_MACHO_ID_H__
-#define COMMON_MAC_MACHO_ID_H__
-
-#include <limits.h>
-#include <mach-o/loader.h>
-#include <openssl/md5.h>
-#include <openssl/sha.h>
-
-namespace MacFileUtilities {
-
-class MachoWalker;
-
-class MachoID {
- public:
-  MachoID(const char *path);
-  ~MachoID();
-
-  // For the given |cpu_type|, return a UUID from the LC_UUID command.
-  // Return false if there isn't a LC_UUID command.
-  bool UUIDCommand(int cpu_type, unsigned char identifier[16]);
-
-  // For the given |cpu_type|, return a UUID from the LC_ID_DYLIB command.
-  // Return false if there isn't a LC_ID_DYLIB command.
-  bool IDCommand(int cpu_type, unsigned char identifier[16]);
-
-  // For the given |cpu_type|, return the Adler32 CRC for the mach-o data
-  // segment(s).
-  // Return 0 on error (e.g., if the file is not a mach-o file)
-  uint32_t Adler32(int cpu_type);
-
-  // For the given |cpu_type|, return the MD5 for the mach-o data segment(s).
-  // Return true on success, false otherwise
-  bool MD5(int cpu_type, unsigned char identifier[16]);
-
-  // For the given |cpu_type|, return the SHA1 for the mach-o data segment(s).
-  // Return true on success, false otherwise
-  bool SHA1(int cpu_type, unsigned char identifier[16]);
-
- private:
-  // Signature of class member function to be called with data read from file
-  typedef void (MachoID::*UpdateFunction)(unsigned char *bytes, size_t size);
-
-  // Update the CRC value by examining |size| |bytes| and applying the algorithm
-  // to each byte.
-  void UpdateCRC(unsigned char *bytes, size_t size);
-
-  // Update the MD5 value by examining |size| |bytes| and applying the algorithm
-  // to each byte.
-  void UpdateMD5(unsigned char *bytes, size_t size);
-
-  // Update the SHA1 value by examining |size| |bytes| and applying the
-  // algorithm to each byte.
-  void UpdateSHA1(unsigned char *bytes, size_t size);
-
-  // Bottleneck for update routines
-  void Update(MachoWalker *walker, unsigned long offset, size_t size);
-
-  // The callback from the MachoWalker for CRC, MD5, and SHA1
-  static bool WalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
-                       bool swap, void *context);
-
-  // The callback from the MachoWalker for LC_UUID
-  static bool UUIDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
-                           bool swap, void *context);
-
-  // The callback from the MachoWalker for LC_ID_DYLIB
-  static bool IDWalkerCB(MachoWalker *walker, load_command *cmd, off_t offset,
-                         bool swap, void *context);
-
-  // File path
-  char path_[PATH_MAX];
-
-  // File descriptor
-  int file_;
-
-  // The current crc value
-  uint32_t crc_;
-
-  // The MD5 context
-  MD5_CTX md5_context_;
-
-  // The SHA1 context
-  SHA_CTX sha1_context_;
-
-  // The current update to call from the Update callback
-  UpdateFunction update_function_;
-};
-
-}  // namespace MacFileUtilities
-
-#endif  // COMMON_MAC_MACHO_ID_H__