LCOV - code coverage report
Current view: directory - toolkit/crashreporter/google-breakpad/src/common/linux - file_id.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 1 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : // Copyright (c) 2006, Google Inc.
       2                 : // All rights reserved.
       3                 : //
       4                 : // Redistribution and use in source and binary forms, with or without
       5                 : // modification, are permitted provided that the following conditions are
       6                 : // met:
       7                 : //
       8                 : //     * Redistributions of source code must retain the above copyright
       9                 : // notice, this list of conditions and the following disclaimer.
      10                 : //     * Redistributions in binary form must reproduce the above
      11                 : // copyright notice, this list of conditions and the following disclaimer
      12                 : // in the documentation and/or other materials provided with the
      13                 : // distribution.
      14                 : //     * Neither the name of Google Inc. nor the names of its
      15                 : // contributors may be used to endorse or promote products derived from
      16                 : // this software without specific prior written permission.
      17                 : //
      18                 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      19                 : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      20                 : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      21                 : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      22                 : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      23                 : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      24                 : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      25                 : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      26                 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      27                 : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      28                 : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      29                 : //
      30                 : // file_id.h: Return a unique identifier for a file
      31                 : //
      32                 : 
      33                 : #ifndef COMMON_LINUX_FILE_ID_H__
      34                 : #define COMMON_LINUX_FILE_ID_H__
      35                 : 
      36                 : #include <limits.h>
      37                 : 
      38                 : #include "common/linux/guid_creator.h"
      39                 : 
      40                 : namespace google_breakpad {
      41                 : 
      42                 : static const size_t kMDGUIDSize = sizeof(MDGUID);
      43                 : 
      44                 : class FileID {
      45                 :  public:
      46                 :   explicit FileID(const char* path);
      47             124 :   ~FileID() {}
      48                 : 
      49                 :   // Load the identifier for the elf file path specified in the constructor into
      50                 :   // |identifier|.  Return false if the identifier could not be created for the
      51                 :   // file.
      52                 :   // The current implementation will XOR the first 4096 bytes of the
      53                 :   // .text section to generate an identifier.
      54                 :   bool ElfFileIdentifier(uint8_t identifier[kMDGUIDSize]);
      55                 : 
      56                 :   // Load the identifier for the elf file mapped into memory at |base| into
      57                 :   // |identifier|.  Return false if the identifier could not be created for the
      58                 :   // file.
      59                 :   static bool ElfFileIdentifierFromMappedFile(void* base,
      60                 :                                               uint8_t identifier[kMDGUIDSize]);
      61                 : 
      62                 :   // Convert the |identifier| data to a NULL terminated string.  The string will
      63                 :   // be formatted as a UUID (e.g., 22F065BB-FC9C-49F7-80FE-26A7CEBD7BCE).
      64                 :   // The |buffer| should be at least 37 bytes long to receive all of the data
      65                 :   // and termination.  Shorter buffers will contain truncated data.
      66                 :   static void ConvertIdentifierToString(const uint8_t identifier[kMDGUIDSize],
      67                 :                                         char* buffer, int buffer_length);
      68                 : 
      69                 :  private:
      70                 :   // Storage for the path specified
      71                 :   char path_[PATH_MAX];
      72                 : };
      73                 : 
      74                 : }  // namespace google_breakpad
      75                 : 
      76                 : #endif  // COMMON_LINUX_FILE_ID_H__

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