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Wrapping MEM_ALIGN macros in #ifndef

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robert 2003-07-02 17:09:28 +00:00
parent f8dd991949
commit d400f77dea
1 changed files with 4 additions and 0 deletions
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src/include/lwip/mem.h
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@ -49,9 +49,13 @@ void mem_free(void *mem);
void *mem_realloc(void *mem, mem_size_t size); void *mem_realloc(void *mem, mem_size_t size);
void *mem_reallocm(void *mem, mem_size_t size); void *mem_reallocm(void *mem, mem_size_t size);
#ifndef MEM_ALIGN_SIZE
#define MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) #define MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1))
#endif
#ifndef MEM_ALIGN
#define MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) #define MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
#endif
#endif /* __LWIP_MEM_H__ */ #endif /* __LWIP_MEM_H__ */