#[inline] pub fn slice_to_be16(v: &[u8]) -> u16 { ((v[0] as u16) << 8*1) | ((v[1] as u16) << 8*0) } #[inline] pub fn slice_to_be32(v: &[u8]) -> u32 { ((v[0] as u32) << 8*3) | ((v[1] as u32) << 8*2) | ((v[2] as u32) << 8*1) | ((v[3] as u32) << 8*0) } #[inline] pub fn slice_to_be48(v: &[u8]) -> u64 { ((v[0] as u64) << 8*5) | ((v[1] as u64) << 8*4) | ((v[2] as u64) << 8*3) | ((v[3] as u64) << 8*2) | ((v[4] as u64) << 8*1) | ((v[5] as u64) << 8*0) } #[inline] pub fn slice_to_be64(v: &[u8]) -> u64 { ((v[0] as u64) << 8*7) | ((v[1] as u64) << 8*6) | ((v[2] as u64) << 8*5) | ((v[3] as u64) << 8*4) | ((v[4] as u64) << 8*3) | ((v[5] as u64) << 8*2) | ((v[6] as u64) << 8*1) | ((v[7] as u64) << 8*0) } #[inline] pub fn be16_to_array(u: u16) -> [u8; 2] { let mut v = [0; 2]; v[0] = ((u >> 8*1) & 0xff) as u8; v[1] = ((u >> 8*0) & 0xff) as u8; v } #[inline] pub fn be32_to_array(u: u32) -> [u8; 4] { let mut v = [0; 4]; v[0] = ((u >> 8*3) & 0xff) as u8; v[1] = ((u >> 8*2) & 0xff) as u8; v[2] = ((u >> 8*1) & 0xff) as u8; v[3] = ((u >> 8*0) & 0xff) as u8; v } #[inline] pub fn be48_to_array(u: u64) -> [u8; 6] { assert!(u & 0xffff_0000_0000_0000 == 0); let mut v = [0; 6]; v[0] = ((u >> 8*5) & 0xff) as u8; v[1] = ((u >> 8*4) & 0xff) as u8; v[2] = ((u >> 8*3) & 0xff) as u8; v[3] = ((u >> 8*2) & 0xff) as u8; v[4] = ((u >> 8*1) & 0xff) as u8; v[5] = ((u >> 8*0) & 0xff) as u8; v } #[inline] pub fn be64_to_array(u: u64) -> [u8; 8] { let mut v = [0; 8]; v[0] = ((u >> 8*7) & 0xff) as u8; v[1] = ((u >> 8*6) & 0xff) as u8; v[2] = ((u >> 8*5) & 0xff) as u8; v[3] = ((u >> 8*4) & 0xff) as u8; v[4] = ((u >> 8*3) & 0xff) as u8; v[5] = ((u >> 8*2) & 0xff) as u8; v[6] = ((u >> 8*1) & 0xff) as u8; v[7] = ((u >> 8*0) & 0xff) as u8; v } #[inline] pub fn le64_to_array(u: u64) -> [u8; 8] { let mut v = [0; 8]; v[0] = ((u >> 8*0) & 0xff) as u8; v[1] = ((u >> 8*1) & 0xff) as u8; v[2] = ((u >> 8*2) & 0xff) as u8; v[3] = ((u >> 8*3) & 0xff) as u8; v[4] = ((u >> 8*4) & 0xff) as u8; v[5] = ((u >> 8*5) & 0xff) as u8; v[6] = ((u >> 8*6) & 0xff) as u8; v[7] = ((u >> 8*7) & 0xff) as u8; v }