0,0 → 1,43 |
/** |
* \addtogroup exampleapps |
* @{ |
*/ |
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/** |
* \file |
* Memory block allocation routines. |
* \author Adam Dunkels <adam@sics.se> |
* |
*/ |
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#ifndef __MEMB_H__ |
#define __MEMB_H__ |
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/** |
* 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} |
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struct memb_blocks { |
unsigned short size; |
unsigned short num; |
char *mem; |
}; |
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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); |
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#endif /* __MEMB_H__ */ |