kc3-lang/freetype/src/psaux/psarrst.h

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• Hash : de151657
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  Date : 2021-05-13T23:08:31
  

  [psaux] Use doubling allocation strategy for CF2_ArrStack. Fixes timeout reported as https://crbug.com/1206181 * src/psaux/psarrst.c (cf2_arrstack_{push,init}): Implement it. * src/psaux/psarrst.h (CF2_ArrStackiRec): Drop `chunk'.

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• src/psaux/psarrst.h

• /****************************************************************************
   *
   * psarrst.h
   *
   *   Adobe's code for Array Stacks (specification).
   *
   * Copyright 2007-2013 Adobe Systems Incorporated.
   *
   * This software, and all works of authorship, whether in source or
   * object code form as indicated by the copyright notice(s) included
   * herein (collectively, the "Work") is made available, and may only be
   * used, modified, and distributed under the FreeType Project License,
   * LICENSE.TXT.  Additionally, subject to the terms and conditions of the
   * FreeType Project License, each contributor to the Work hereby grants
   * to any individual or legal entity exercising permissions granted by
   * the FreeType Project License and this section (hereafter, "You" or
   * "Your") a perpetual, worldwide, non-exclusive, no-charge,
   * royalty-free, irrevocable (except as stated in this section) patent
   * license to make, have made, use, offer to sell, sell, import, and
   * otherwise transfer the Work, where such license applies only to those
   * patent claims licensable by such contributor that are necessarily
   * infringed by their contribution(s) alone or by combination of their
   * contribution(s) with the Work to which such contribution(s) was
   * submitted.  If You institute patent litigation against any entity
   * (including a cross-claim or counterclaim in a lawsuit) alleging that
   * the Work or a contribution incorporated within the Work constitutes
   * direct or contributory patent infringement, then any patent licenses
   * granted to You under this License for that Work shall terminate as of
   * the date such litigation is filed.
   *
   * By using, modifying, or distributing the Work you indicate that you
   * have read and understood the terms and conditions of the
   * FreeType Project License as well as those provided in this section,
   * and you accept them fully.
   *
   */
  
  
  #ifndef PSARRST_H_
  #define PSARRST_H_
  
  
  #include "pserror.h"
  
  
  FT_BEGIN_HEADER
  
  
    /* need to define the struct here (not opaque) so it can be allocated by */
    /* clients                                                               */
    typedef struct  CF2_ArrStackRec_
    {
      FT_Memory  memory;
      FT_Error*  error;
  
      size_t  sizeItem;       /* bytes per element             */
      size_t  allocated;      /* items allocated               */
      size_t  count;          /* number of elements allocated  */
      size_t  totalSize;      /* total bytes allocated         */
  
      void*  ptr;             /* ptr to data                   */
  
    } CF2_ArrStackRec, *CF2_ArrStack;
  
  
    FT_LOCAL( void )
    cf2_arrstack_init( CF2_ArrStack  arrstack,
                       FT_Memory     memory,
                       FT_Error*     error,
                       size_t        sizeItem );
    FT_LOCAL( void )
    cf2_arrstack_finalize( CF2_ArrStack  arrstack );
  
    FT_LOCAL( void )
    cf2_arrstack_setCount( CF2_ArrStack  arrstack,
                           size_t        numElements );
    FT_LOCAL( void )
    cf2_arrstack_clear( CF2_ArrStack  arrstack );
    FT_LOCAL( size_t )
    cf2_arrstack_size( const CF2_ArrStack  arrstack );
  
    FT_LOCAL( void* )
    cf2_arrstack_getBuffer( const CF2_ArrStack  arrstack );
    FT_LOCAL( void* )
    cf2_arrstack_getPointer( const CF2_ArrStack  arrstack,
                             size_t              idx );
  
    FT_LOCAL( void )
    cf2_arrstack_push( CF2_ArrStack  arrstack,
                       const void*   ptr );
  
  
  FT_END_HEADER
  
  
  #endif /* PSARRST_H_ */
  
  
  /* END */
  

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