From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 24 Sep 2022 18:19:27 +0000 (+0100)
Subject: syslog: prep for printing level: Make a copy of the Record
X-Git-Tag: hippotat/1.0.0~69
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=29b7d5ddf51f1ead1d80ee9c8264539cd7bfd201;p=hippotat.git

syslog: prep for printing level: Make a copy of the Record

This will provide us somewhere to add the level prefix.

No functional change yet.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/src/reporter.rs b/src/reporter.rs
index f4ab447..4343c8d 100644
--- a/src/reporter.rs
+++ b/src/reporter.rs
@@ -59,7 +59,20 @@ impl<T> log::Log for LogWrapper<T> where T: log::Log {
 
   fn log(&self, record: &log::Record<'_>) {
     if self.wanted(record.metadata()) {
-      self.output.log(record)
+      let mut wrap = log::Record::builder();
+
+      macro_rules! copy { { $( $f:ident ),* $(,)? } => {
+        $( wrap.$f(record.$f()); )*
+      } }
+      copy!{
+        level, target, module_path, file, line
+      };
+      match format_args!("{}", record.args()) {
+        args => {
+          wrap.args(args);
+          self.output.log(&wrap.build());
+        }
+      }
     }
   }