io-adapters: forward seek_relative in std adapter and require Rust 1.81

Author: Conaclos

embedded-io-adapters/Cargo.toml

@@ -2,7 +2,7 @@
 name = "embedded-io-adapters"
 version = "0.6.2"
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.81"
 description = "Adapters between the `embedded-io` traits and other I/O traits"
 repository = "https://github.com/rust-embedded/embedded-hal"
 readme = "README.md"

embedded-io-adapters/src/std.rs

@@ -102,6 +102,10 @@ impl<T: std::io::Seek + ?Sized> embedded_io::Seek for FromStd<T> {
     fn stream_position(&mut self) -> Result<u64, Self::Error> {
         self.inner.stream_position()
     }
+
+    fn seek_relative(&mut self, offset: i64) -> Result<(), Self::Error> {
+        self.inner.seek_relative(offset)
+    }
 }
 
 /// Adapter to `std::io` traits.
@@ -192,6 +196,10 @@ impl<T: embedded_io::Seek + ?Sized> std::io::Seek for ToStd<T> {
     fn stream_position(&mut self) -> Result<u64, std::io::Error> {
         self.inner.stream_position().map_err(to_std_error)
     }
+
+    fn seek_relative(&mut self, offset: i64) -> std::io::Result<()> {
+        self.inner.seek_relative(offset).map_err(to_std_error)
+    }
 }
 
 /// Convert a embedded-io error to a [`std::io::Error`]