text: 
  // vim:sw=2:ai
  
  /*
   * Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
   * See COPYRIGHT.txt for details.
   */
  
  #ifndef DENA_ALLOCATOR_HPP
  #define DENA_ALLOCATOR_HPP
  
  #include <stdlib.h>
  #include <string.h>
  
  #if 0
  extern "C" {
  #include <tlsf.h>
  };
  #define DENA_MALLOC(x) tlsf_malloc(x)
  #define DENA_REALLOC(x, y) tlsf_realloc(x, y)
  #define DENA_FREE(x) tlsf_free(x)
  #define DENA_NEWCHAR(x) static_cast<char *>(tlsf_malloc(x))
  #define DENA_DELETE(x) tlsf_free(x)
  typedef std::allocator<int> allocator_type;
  #endif
  
  #if 1
  #define DENA_MALLOC(x) malloc(x)
  #define DENA_REALLOC(x, y) realloc(x, y)
  #define DENA_FREE(x) free(x)
  #define DENA_NEWCHAR(x) (new char[x])
  #define DENA_DELETE(x) (delete [] x)
  typedef std::allocator<int> allocator_type;
  #endif
  
  #if 1
  #define DENA_ALLOCA_ALLOCATE(typ, len) \
  	static_cast<typ *>(alloca((len) * sizeof(typ)))
  #define DENA_ALLOCA_FREE(x)
  #else
  #define DENA_ALLOCA_ALLOCATE(typ, len) \
  	static_cast<typ *>(malloc((len) * sizeof(typ)))
  #define DENA_ALLOCA_FREE(x) free(x)
  #endif
  
  namespace dena {
  
  template <typename T> struct auto_alloca_free {
    auto_alloca_free(T *value) : value(value) { }
    ~auto_alloca_free() {
      /* no-op if alloca() is used */
      DENA_ALLOCA_FREE(value);
    }
   private:
    auto_alloca_free(const auto_alloca_free&);
    auto_alloca_free& operator =(const auto_alloca_free&);
   private:
    T *value;
  };
  
  };
  
  #endif
  
  