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hyung-hwan 2007-12-25 21:37:48 +00:00
parent 3ee0b912b9
commit 82c15f2d93
1 changed files with 6 additions and 1 deletions
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7
ase/cmn/mem.c
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@ -10,6 +10,10 @@
#define IS_UNALIGNED(ptr) (((ase_size_t)ptr)&(sizeof(ase_size_t)-1)) #define IS_UNALIGNED(ptr) (((ase_size_t)ptr)&(sizeof(ase_size_t)-1))
#define IS_ALIGNED(ptr) (!IS_UNALIGNED(ptr)) #define IS_ALIGNED(ptr) (!IS_UNALIGNED(ptr))
#define IS_EITHER_UNALIGNED(ptr1,ptr2) \
(((ase_size_t)ptr1|(ase_size_t)ptr2)&(sizeof(ase_size_t)-1))
#define IS_BOTH_ALIGNED(ptr1,ptr2) (!IS_EITHER_UNALIGNED(ptr1,ptr2))
void* ase_memcpy (void* dst, const void* src, ase_size_t n) void* ase_memcpy (void* dst, const void* src, ase_size_t n)
{ {
/* /*
@ -31,7 +35,8 @@ void* ase_memcpy (void* dst, const void* src, ase_size_t n)
ASE_ASSERT (sizeof(ase_size_t) == sizeof(void*)); ASE_ASSERT (sizeof(ase_size_t) == sizeof(void*));
if (IS_ALIGNED(dst) && IS_ALIGNED(src)) /*if (IS_ALIGNED(dst) && IS_ALIGNED(src))*/
if (IS_BOTH_ALIGNED(dst,src))
{ {
/* if both src and dst are aligned, /* if both src and dst are aligned,
* blockcopy sizeof(void*) bytes. */ * blockcopy sizeof(void*) bytes. */