Subversion Repositories openrisc

/**

 * \addtogroup exampleapps

 * @{

 */

/**

 * \file

 * Memory block allocation routines.

 * \author Adam Dunkels <adam@sics.se>

 *

 */

#ifndef __MEMB_H__

#define __MEMB_H__

/**

 * Declare a memory block.

 *

 * \param name The name of the memory block (later used with

 * memb_init(), memb_alloc() and memb_free()).

 *

 * \param size The size of each memory chunk, in bytes.

 *

 * \param num The total number of memory chunks in the block.

 *

 */

#define MEMB(name, size, num) \

        static char memb_mem[(size + 1) * num]; \

        static struct memb_blocks name = {size, num, memb_mem}

struct memb_blocks {

  unsigned short size;

  unsigned short num;

  char *mem;

};

void  memb_init(struct memb_blocks *m);

char *memb_alloc(struct memb_blocks *m);

char  memb_ref(struct memb_blocks *m, char *ptr);

char  memb_free(struct memb_blocks *m, char *ptr);

#endif /* __MEMB_H__ */