From 8ba64c8da6a6048ae932d9a90bf9620bda41e6f5 Mon Sep 17 00:00:00 2001
From: Julian Schmid <info@julianschmid.name>
Date: Mon, 24 Jun 2024 21:55:20 +0200
Subject: [PATCH] Restricted DltFtBuffer to 64bit systems

---
 src/ft/dlt_ft_buffer.rs |  2 +-
 src/ft/dlt_ft_pool.rs   | 18 +++++++++---------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/ft/dlt_ft_buffer.rs b/src/ft/dlt_ft_buffer.rs
index 8c4c189..e5ec46a 100644
--- a/src/ft/dlt_ft_buffer.rs
+++ b/src/ft/dlt_ft_buffer.rs
@@ -262,7 +262,7 @@ impl DltFtBuffer {
     }
 }
 
-#[cfg(all(feature = "std",test))]
+#[cfg(all(feature = "std", test))]
 mod test {
 
     use crate::ft::*;
diff --git a/src/ft/dlt_ft_pool.rs b/src/ft/dlt_ft_pool.rs
index 9cea73f..c36970f 100644
--- a/src/ft/dlt_ft_pool.rs
+++ b/src/ft/dlt_ft_pool.rs
@@ -13,8 +13,8 @@ use std::{collections::HashMap, vec::Vec};
 /// If you use the [`DltFtPool`] in an untrusted environment an attacker could
 /// cause an "out of memory error" by opening up multiple parallel file transfer streams,
 /// never ending them and filling them up with as much data as possible.
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
+#[cfg(all(feature = "std", target_pointer_width = "64"))]
+#[cfg_attr(docsrs, doc(cfg(all(feature = "std", target_pointer_width = "64"))))]
 #[derive(Debug, Default, Clone)]
 pub struct DltFtPool<ChannelId, Timestamp>
 where
@@ -28,8 +28,8 @@ where
     finished: Vec<DltFtBuffer>,
 }
 
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
+#[cfg(all(feature = "std", target_pointer_width = "64"))]
+#[cfg_attr(docsrs, doc(cfg(all(feature = "std", target_pointer_width = "64"))))]
 impl<ChannelId, Timestamp: Sized> DltFtPool<ChannelId, Timestamp>
 where
     ChannelId: Hash + Eq + PartialEq + Clone + Sized,
@@ -163,8 +163,8 @@ where
     }
 }
 
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
+#[cfg(all(feature = "std", target_pointer_width = "64"))]
+#[cfg_attr(docsrs, doc(cfg(all(feature = "std", target_pointer_width = "64"))))]
 impl<ChannelId, Timestamp: Sized> PartialEq for DltFtPool<ChannelId, Timestamp>
 where
     ChannelId: Hash + Eq + PartialEq + Clone + Sized,
@@ -175,8 +175,8 @@ where
     }
 }
 
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
+#[cfg(all(feature = "std", target_pointer_width = "64"))]
+#[cfg_attr(docsrs, doc(cfg(all(feature = "std", target_pointer_width = "64"))))]
 impl<ChannelId, Timestamp: Sized> Eq for DltFtPool<ChannelId, Timestamp>
 where
     ChannelId: Hash + Eq + PartialEq + Clone + Sized,
@@ -184,7 +184,7 @@ where
 {
 }
 
-#[cfg(all(feature = "std", test))]
+#[cfg(all(feature = "std", target_pointer_width = "64", test))]
 mod tests {
     use super::*;
     use alloc::format;