LCOV - app.info - toolkit/crashreporter/google-breakpad/src/common/linux/file_id.h

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: | 2012-04-07 | 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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