44 lines
931 B
C
44 lines
931 B
C
/**
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* \addtogroup exampleapps
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* @{
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*/
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/**
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* \file
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* Memory block allocation routines.
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* \author Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __MEMB_H__
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#define __MEMB_H__
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/**
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* Declare a memory block.
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*
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* \param name The name of the memory block (later used with
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* memb_init(), memb_alloc() and memb_free()).
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*
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* \param size The size of each memory chunk, in bytes.
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*
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* \param num The total number of memory chunks in the block.
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*
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*/
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#define MEMB(name, size, num) \
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static char memb_mem[(size + 1) * num]; \
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static struct memb_blocks name = {size, num, memb_mem}
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struct memb_blocks {
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unsigned short size;
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unsigned short num;
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char *mem;
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};
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void memb_init(struct memb_blocks *m);
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char *memb_alloc(struct memb_blocks *m);
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char memb_ref(struct memb_blocks *m, char *ptr);
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char memb_free(struct memb_blocks *m, char *ptr);
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#endif /* __MEMB_H__ */
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