schemaparser/block_allocator.h

   1 // Distributed under the MIT license. Copyright (c) 2010, Ivan Vashchaev
   2
   3
   4 #ifndef BLOCK_ALLOCATOR_H
   5 #define BLOCK_ALLOCATOR_H
   6
   7 namespace mc_json{
   8 class block_allocator
   9 {
  10 private:
  11         struct block
  12         {
  13                 size_t size;
  14                 size_t used;
  15                 char *buffer;
  16                 block *next;
  17         };
  18
  19         block *m_head;
  20         size_t m_blocksize;
  21
  22         block_allocator(const block_allocator &);
  23         block_allocator &operator=(block_allocator &);
  24
  25 public:
  26         block_allocator(size_t blocksize);
  27         ~block_allocator();
  28
  29         // exchange contents with rhs
  30         void swap(block_allocator &rhs);
  31
  32         // allocate memory
  33         void *malloc(size_t size);
  34
  35         // free all allocated blocks
  36         void free();
  37 };
  38 }
  39
  40 #endif