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-rw-r--r--users/Profpatsch/read-http/default.nix1
-rw-r--r--users/Profpatsch/read-http/read-http.rs7
-rw-r--r--users/Profpatsch/rust-crates.nix7
3 files changed, 12 insertions, 3 deletions
diff --git a/users/Profpatsch/read-http/default.nix b/users/Profpatsch/read-http/default.nix
index 20f8675b3fd4..41fe1c7fedcc 100644
--- a/users/Profpatsch/read-http/default.nix
+++ b/users/Profpatsch/read-http/default.nix
@@ -6,6 +6,7 @@ let
   read-http = depot.users.Profpatsch.writers.rustSimple {
     name = "read-http";
     dependencies = [
+      depot.users.Profpatsch.rust-crates.ascii
       depot.users.Profpatsch.rust-crates.httparse
       depot.users.Profpatsch.netencode.netencode-rs
       depot.users.Profpatsch.arglib.netencode.rust
diff --git a/users/Profpatsch/read-http/read-http.rs b/users/Profpatsch/read-http/read-http.rs
index a43bb7d3b20b..ab2c3887d7b5 100644
--- a/users/Profpatsch/read-http/read-http.rs
+++ b/users/Profpatsch/read-http/read-http.rs
@@ -1,6 +1,7 @@
 extern crate httparse;
 extern crate netencode;
 extern crate arglib_netencode;
+extern crate ascii;
 
 use std::os::unix::io::FromRawFd;
 use std::io::Read;
@@ -63,11 +64,11 @@ fn main() -> std::io::Result<()> {
     fn normalize_headers<'a>(headers: &'a [httparse::Header]) -> Vec<(String, &'a str)> {
         let mut res = vec![];
         for httparse::Header { name, value } in headers {
-            let val = std::str::from_utf8(*value)
-                .expect(&format!("read-http: we require header values to be UTF-8 (they should be ASCII), but the header {} was {:?}", name, value));
+            let val = ascii::AsciiStr::from_ascii(*value)
+                .expect(&format!("read-http: we require header values to be ASCII, but the header {} was {:?}", name, value));
             // lowercase the headers, since the standard doesn’t care
             // and we want unique strings to match agains
-            res.push((name.to_lowercase(), val))
+            res.push((name.to_lowercase(), val.as_str()))
         }
         res
     }
diff --git a/users/Profpatsch/rust-crates.nix b/users/Profpatsch/rust-crates.nix
index bb65625fc758..96734187eadb 100644
--- a/users/Profpatsch/rust-crates.nix
+++ b/users/Profpatsch/rust-crates.nix
@@ -14,6 +14,13 @@ rec {
     sha256 = "12q71z6ck8wlqrwgi25x3lrryyks9djymswn9b1c6qq0i01jpc1p";
   };
 
+  ascii = pkgs.buildRustCrate {
+    pname = "ascii";
+    crateName = "ascii";
+    version = "1.0.0";
+    sha256 = "0gam8xsn981wfa40srsniivffjsfz1pg0xnigmczk9k7azb1ks1m";
+  };
+
   regex-syntax = pkgs.buildRustCrate {
     pname = "regex-syntax";
     crateName = "regex-syntax";