[#865] Use core and alloc in iceoryx2-userland-record-and-replay

Author: orecham

iceoryx2-userland/record-and-replay/src/hex_conversion.rs

@@ -10,6 +10,11 @@
 //
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+use core::fmt::Write;
+
+use alloc::string::String;
+use alloc::vec::Vec;
+
 use iceoryx2_bb_log::debug;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
@@ -46,8 +51,6 @@ pub fn hex_string_to_bytes(hex_string: &str) -> Result<Vec<u8>, HexToBytesConver
 
 /// Converts bytes into a hex string. Can be converted back with [`hex_string_to_bytes()`].
 pub fn bytes_to_hex_string(raw_data: &[u8]) -> String {
-    use std::fmt::Write;
-
     let mut ret_val = String::with_capacity(3 * raw_data.len());
     for byte in raw_data {
         let _ = write!(&mut ret_val, "{byte:0>2x} ");

iceoryx2-userland/record-and-replay/src/lib.rs

@@ -120,6 +120,8 @@
 //! # }
 //! ```
 
+extern crate alloc;
+
 /// Free functions to convert bytes to a hex string and back.
 pub mod hex_conversion;
 

iceoryx2-userland/record-and-replay/src/record.rs

@@ -10,12 +10,19 @@
 //
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
-use anyhow::Result;
 use core::time::Duration;
+
+use alloc::format;
+use alloc::string::String;
+use alloc::vec;
+use alloc::vec::Vec;
+
 use iceoryx2::service::static_config::message_type_details::TypeVariant;
 use iceoryx2_bb_log::fail;
 use iceoryx2_bb_posix::file::{File, FileReadLineState};
 
+use anyhow::Result;
+
 use crate::{
     hex_conversion::{bytes_to_hex_string, hex_string_to_bytes},
     record_header::RecordHeaderDetails,

iceoryx2-userland/record-and-replay/src/recorder.rs

@@ -51,6 +51,8 @@
 //! # }
 //! ```
 
+use alloc::format;
+
 use iceoryx2::prelude::{MessagingPattern, ServiceName};
 use iceoryx2::service::static_config::message_type_details::{TypeDetail, TypeVariant};
 use iceoryx2_bb_elementary::package_version::PackageVersion;

iceoryx2-userland/record-and-replay/src/replayer.rs

@@ -73,6 +73,10 @@
 //! ```
 
 use core::mem::MaybeUninit;
+
+use alloc::vec;
+use alloc::vec::Vec;
+
 use iceoryx2_bb_log::fail;
 use iceoryx2_bb_posix::file::AccessMode;
 use iceoryx2_bb_posix::file::File;