thodg/libgit2/src/alloc.h

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• Hash : d2e996fa
  Author :
  Date : 2018-03-14T10:36:14
  

  util: extract allocators into its own "alloc.h" header Our "util.h" header is a grabbag of various different functions, where many don't have a clear group they belong to. Our set of allocator functions though can be clearly singled out as a single group of functions that always belongs together. Furthermore, we will need to implement additional functions relating to our allocators subsystem when moving to pluggable allocators. Thus, we should just move these functions into their own "alloc" module.

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• src/alloc.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #ifndef INCLUDE_alloc_h__
  #define INCLUDE_alloc_h__
  
  #include "git2/sys/alloc.h"
  
  extern git_allocator git__allocator;
  
  #define git__malloc(len)                      git__allocator.gmalloc(len, __FILE__, __LINE__)
  #define git__calloc(nelem, elsize)            git__allocator.gcalloc(nelem, elsize, __FILE__, __LINE__)
  #define git__strdup(str)                      git__allocator.gstrdup(str, __FILE__, __LINE__)
  #define git__strndup(str, n)                  git__allocator.gstrndup(str, n, __FILE__, __LINE__)
  #define git__substrdup(str, n)                git__allocator.gsubstrdup(str, n, __FILE__, __LINE__)
  #define git__realloc(ptr, size)               git__allocator.grealloc(ptr, size, __FILE__, __LINE__)
  #define git__reallocarray(ptr, nelem, elsize) git__allocator.greallocarray(ptr, nelem, elsize, __FILE__, __LINE__)
  #define git__mallocarray(nelem, elsize)       git__allocator.gmallocarray(nelem, elsize, __FILE__, __LINE__)
  #define git__free                             git__allocator.gfree
  
  /**
   * This function is being called by our global setup routines to
   * initialize the standard allocator.
   */
  int git_allocator_global_init(void);
  
  /**
   * Switch out libgit2's global memory allocator
   *
   * @param allocator The new allocator that should be used. All function pointers
   *                  of it need to be set correctly.
   * @return An error code or 0.
   */
  int git_allocator_setup(git_allocator *allocator);
  
  #endif
  

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