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Add get_u64() and put_u64() into lib/unaligned.h

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This commit is contained in:
Pavel Tvrdík 2015-11-13 16:10:33 +01:00
parent fce764f90e
commit 75ff08022e
1 changed files with 19 additions and 0 deletions
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19
lib/unaligned.h
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@ -35,6 +35,15 @@ get_u32(void *p)
return ntohl(x);
}
static inline u64
get_u64(const void *p)
{
u32 xh, xl;
memcpy(&xh, p, 4);
memcpy(&xl, p+4, 4);
return (((u64) ntohl(xh)) << 32) | ntohl(xl);
}
static inline void
put_u16(void *p, u16 x)
{
@ -49,4 +58,14 @@ put_u32(void *p, u32 x)
memcpy(p, &x, 4);
}
static inline void
put_u64(void *p, u64 x)
{
u32 xh, xl;
xh = htonl(x >> 32);
xl = htonl((u32) x);
memcpy(p, &xh, 4);
memcpy(p+4, &xl, 4);
}
#endif