src/lib/gscpaux/block_allocator.h

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