misc

commit 61b42c929d8c501293581456fcb10440d20a88f8
parent fe9679fdf12df2c303aa0093b54ed053decb6b52
Author: alex wennerberg <alex@alexwennerberg.com>
Date:   Thu, 18 Nov 2021 22:00:08 -0800

Allow UTF8

Diffstat:
M
finger.rs
 | 
16
+++-------------

1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/finger.rs b/finger.rs
@@ -13,11 +13,10 @@
 // The finger protocol is featured heavily in Elif Batuman's Pulitizer Prize nominated novel The Idiot.
 // FINGER > FACEBOOK
 
-use std::env;
-use std::io;
 use std::io::prelude::*;
 use std::net::TcpStream;
 use std::process;
+use std::{env, io, str};
 
 // supports standard finger queries and URIs
 // From the drat spec:
@@ -74,16 +73,7 @@ fn main() -> std::io::Result<()> {
     // TODO -- filter out nonprintable
     stream.read_to_end(&mut line)?;
 
-    let mut stdout = io::stdout();
-    for byte in line.iter() {
-        // RFC 1288: "this program
-        // SHOULD filter any unprintable data, leaving only printable 7-bit
-        // characters (ASCII 32 through ASCII 126), tabs (ASCII 9), and CRLFs."
-        if (*byte >= 32 && *byte <= 126) || *byte == 9 || *byte == 10 || *byte == 13 {
-            // probably a more efficient way of doing this
-            stdout.write_all(&[*byte])?;
-        }
-    }
-    println!("");
+    // Assume UTF-8 input, against the spec, which predates UTF8
+    println!("{}", str::from_utf8(&line).unwrap());
     Ok(())
 }