From de7dd90d3a83d28ba5c246c4e502d9ef8ea596e3 Mon Sep 17 00:00:00 2001
From: Ron Williams <ron.williams.redox@gmail.com>
Date: Wed, 20 Dec 2023 14:54:11 -0800
Subject: [PATCH 1/4] add Redox scheme support

---
 src/lib.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 2b4840b0da..35108b7432 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1982,6 +1982,10 @@ pub enum Utf8Prefix<'a> {
 
     /// Prefix `C:` for the given disk drive.
     Disk(u8),
+
+    /// Redox Scheme
+    #[cfg(target_os = "redox")]
+    Scheme(&'a str),
 }
 
 impl<'a> Utf8Prefix<'a> {
@@ -2070,6 +2074,8 @@ impl<'a> Utf8PrefixComponent<'a> {
                 Utf8Prefix::UNC(server, share)
             }
             Prefix::Disk(drive) => Utf8Prefix::Disk(drive),
+            #[cfg(target_os = "redox")]
+            Prefix::Scheme(scheme) => Utf8Prefix::Scheme(scheme),
         }
     }
 

From bfb4fe290f6a6f08e10d063e4c6c7c4e4e002539 Mon Sep 17 00:00:00 2001
From: Ron Williams <ron.williams.redox@gmail.com>
Date: Wed, 20 Dec 2023 15:03:36 -0800
Subject: [PATCH 2/4] remove target_os guard

---
 src/lib.rs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 35108b7432..5a0ea96955 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1984,7 +1984,6 @@ pub enum Utf8Prefix<'a> {
     Disk(u8),
 
     /// Redox Scheme
-    #[cfg(target_os = "redox")]
     Scheme(&'a str),
 }
 
@@ -2074,7 +2073,6 @@ impl<'a> Utf8PrefixComponent<'a> {
                 Utf8Prefix::UNC(server, share)
             }
             Prefix::Disk(drive) => Utf8Prefix::Disk(drive),
-            #[cfg(target_os = "redox")]
             Prefix::Scheme(scheme) => Utf8Prefix::Scheme(scheme),
         }
     }

From 0a9805b9bd531f35c82ad5b95df28189a2e26de9 Mon Sep 17 00:00:00 2001
From: Ron Williams <ron.williams.redox@gmail.com>
Date: Wed, 20 Dec 2023 15:07:28 -0800
Subject: [PATCH 3/4] put back target_os guard

---
 src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 5a0ea96955..35108b7432 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1984,6 +1984,7 @@ pub enum Utf8Prefix<'a> {
     Disk(u8),
 
     /// Redox Scheme
+    #[cfg(target_os = "redox")]
     Scheme(&'a str),
 }
 
@@ -2073,6 +2074,7 @@ impl<'a> Utf8PrefixComponent<'a> {
                 Utf8Prefix::UNC(server, share)
             }
             Prefix::Disk(drive) => Utf8Prefix::Disk(drive),
+            #[cfg(target_os = "redox")]
             Prefix::Scheme(scheme) => Utf8Prefix::Scheme(scheme),
         }
     }

From 5bcea2c73a0c0b8ac2d5d414a261a3bfc0b2675c Mon Sep 17 00:00:00 2001
From: Ron Williams <ron.williams.redox@gmail.com>
Date: Wed, 20 Dec 2023 15:10:57 -0800
Subject: [PATCH 4/4] assume utf8 for scheme

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 35108b7432..b513a67518 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2075,7 +2075,7 @@ impl<'a> Utf8PrefixComponent<'a> {
             }
             Prefix::Disk(drive) => Utf8Prefix::Disk(drive),
             #[cfg(target_os = "redox")]
-            Prefix::Scheme(scheme) => Utf8Prefix::Scheme(scheme),
+            Prefix::Scheme(scheme) => Utf8Prefix::Scheme(unsafe { str_assume_utf8(scheme) }),
         }
     }