From 95688a9d8c6be4197dd15d29edd7628e8bdf3244 Mon Sep 17 00:00:00 2001
From: Mike Dilger <mike@mikedilger.com>
Date: Fri, 24 Nov 2023 16:09:22 +1300
Subject: [PATCH] parse_u16(), parse_u32(), parse_u64() helper macros

---
 src/macros.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/macros.rs b/src/macros.rs
index 7f2873b..8317922 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -55,3 +55,21 @@ macro_rules! read_hex {
         }
     }};
 }
+
+macro_rules! parse_u16 {
+    ($input:expr, $start:expr) => {
+        u16::from_ne_bytes($input[$start .. $start+2].try_into().unwrap())
+    }
+}
+
+macro_rules! parse_u32 {
+    ($input:expr, $start:expr) => {
+        u32::from_ne_bytes($input[$start .. $start+4].try_into().unwrap())
+    }
+}
+
+macro_rules! parse_u64 {
+    ($input:expr, $start:expr) => {
+        u64::from_ne_bytes($input[$start .. $start+8].try_into().unwrap())
+    }
+}