X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Futil%2Fbyte_utils.rs;h=7230a4e1ce187e2eb1ff4f2c8f68dc9d6301b2ef;hb=09c7f2f641d2496c2a6280b032f62b6249298a0f;hp=74a01196f943433ec71dc6d8f22bd8cea6d7fd1d;hpb=265c0836747d560f6b193be261ffbb3cec4d3706;p=rust-lightning

diff --git a/src/util/byte_utils.rs b/src/util/byte_utils.rs
index 74a01196f..7230a4e1c 100644
--- a/src/util/byte_utils.rs
+++ b/src/util/byte_utils.rs
@@ -11,6 +11,22 @@ pub fn slice_to_be32(v: &[u8]) -> u32 {
 	((v[3] as u32) << 8*0)
 }
 #[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) |
+	((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) |
@@ -39,6 +55,27 @@ pub fn be32_to_array(u: u32) -> [u8; 4] {
 	v
 }
 #[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);
+	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;