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    • Nathan Baker's avatar
      Fix for bug 2772 · 473851d2
      Nathan Baker authored
      It is possible to craft a TIFF document where the IFD list is circular,
      leading to an infinite loop while traversing the chain. The libtiff
      directory reader has a failsafe that will break out of this loop after
      reading 65535 directory entries, but it will continue processing,
      consuming time and resources to process what is essentially a bogus TIFF
      document.
      
      This change fixes the above behavior by breaking out of processing when
      a TIFF document has >= 65535 directories and terminating with an error.
      473851d2
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    • Bob Friesenhahn's avatar
      * libtiff/tif_config.vc.h: Make adjustments to match the new · d21d2b30
      Bob Friesenhahn authored
      definitions that configure produces, including for WIN64.  Still
      needs to be tested.
      
      'lld' is not assured by the run-time DLLs and so GCC warns.
      Add TIFF_SIZE_T and TIFF_SIZE_FORMAT to provide a type definition
      and printf format specifier to deal with printing values of
      'size_t' type.  In particular, this was necessary for WIN64.
      Added a configure test for if the system headers provide 'optarg'
      (normal case) and block out the many explicit 'extern' statements
      in the utilities.  This was found to be necessary under Windows
      when getopt is in a DLL and the symbols are already imported with
      dllimport via standard header files.
      d21d2b30
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