Drop byte_utils in favor of native `to/from_be_bytes` methods

[rust-lightning] / lightning / src / util / byte_utils.rs

diff --git a/lightning/src/util/byte_utils.rs b/lightning/src/util/byte_utils.rs
index 8ae3649780634cd6a6b2c3243222cc9f40b1e782..0c6530f29e0eb1cb8b937f9842b9c83eb3d504be 100644 (file)
--- a/lightning/src/util/byte_utils.rs
+++ b/lightning/src/util/byte_utils.rs
@@ -7,26 +7,6 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
-#[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)
-}
-#[cfg(not(feature = "fuzztarget"))] // Used only by poly1305
-#[inline]
-pub fn slice_to_le32(v: &[u8]) -> u32 {
-       ((v[0] as u32) << 8*0) |
-       ((v[1] as u32) << 8*1) |
-       ((v[2] as u32) << 8*2) |
-       ((v[3] as u32) << 8*3)
-}
 #[inline]
 pub fn slice_to_be48(v: &[u8]) -> u64 {
        ((v[0] as u64) << 8*5) |
@@ -64,16 +44,6 @@ pub fn be32_to_array(u: u32) -> [u8; 4] {
        v[3] = ((u >> 8*0) & 0xff) as u8;
        v
 }
-#[cfg(not(feature = "fuzztarget"))] // Used only by poly1305
-#[inline]
-pub fn le32_to_array(u: u32) -> [u8; 4] {
-       let mut v = [0; 4];
-       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
-}
 #[inline]
 pub fn be48_to_array(u: u64) -> [u8; 6] {
        assert!(u & 0xffff_0000_0000_0000 == 0);
@@ -120,14 +90,10 @@ mod tests {
        
        #[test]
        fn test_all() {
-               assert_eq!(slice_to_be16(&[0xde, 0xad]), 0xdead);
-               assert_eq!(slice_to_be32(&[0xde, 0xad, 0xbe, 0xef]), 0xdeadbeef);
-               assert_eq!(slice_to_le32(&[0xef, 0xbe, 0xad, 0xde]), 0xdeadbeef);
                assert_eq!(slice_to_be48(&[0xde, 0xad, 0xbe, 0xef, 0x1b, 0xad]), 0xdeadbeef1bad);
                assert_eq!(slice_to_be64(&[0xde, 0xad, 0xbe, 0xef, 0x1b, 0xad, 0x1d, 0xea]), 0xdeadbeef1bad1dea);
                assert_eq!(be16_to_array(0xdead), [0xde, 0xad]);
                assert_eq!(be32_to_array(0xdeadbeef), [0xde, 0xad, 0xbe, 0xef]);
-               assert_eq!(le32_to_array(0xdeadbeef), [0xef, 0xbe, 0xad, 0xde]);
                assert_eq!(be48_to_array(0xdeadbeef1bad), [0xde, 0xad, 0xbe, 0xef, 0x1b, 0xad]);
                assert_eq!(be64_to_array(0xdeadbeef1bad1dea), [0xde, 0xad, 0xbe, 0xef, 0x1b, 0xad, 0x1d, 0xea]);
                assert_eq!(le64_to_array(0xdeadbeef1bad1dea), [0xea, 0x1d, 0xad, 0x1b, 0xef, 0xbe, 0xad, 0xde]);