Merge pull request #386 from TheBlueMatt/2019-10-useless-lints

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

diff --git a/src/util/byte_utils.rs b/src/util/byte_utils.rs
index b9ca3f6b650a19c2e14380493f4e7bf0f1e9da90..44445666f776644947320cacac39fd0c9b57c982 100644 (file)
--- a/src/util/byte_utils.rs
+++ b/src/util/byte_utils.rs
@@ -10,6 +10,14 @@ pub fn slice_to_be32(v: &[u8]) -> u32 {
        ((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) |
@@ -47,6 +55,16 @@ 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);