From 0493eba694bae5730268174589a7c46e48a2ffdd Mon Sep 17 00:00:00 2001
From: Alexis Engelke <alexis.engelke@inria.fr>
Date: Fri, 3 Jul 2026 17:15:45 +0200
Subject: [PATCH] Fix reading of records without extra data

perf.data files can have events like PERF_RECORD_FINISHED_INIT, where
there is no data at all after the header. Handle this case and avoid
returning an EOF error.
---
 src/parse.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/parse.rs b/src/parse.rs
index 13c8e56..a76975a 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -389,7 +389,11 @@ where
 
     /// Consume the rest of the buffer and return it as a slice.
     pub fn parse_rest(&mut self) -> ParseResult<Cow<'p, [u8]>> {
-        let mut bytes = self.data.chunk()?.to_cow();
+        let mut bytes = match self.data.chunk() {
+            Ok(chunk) => chunk.to_cow(),
+            Err(e) if e.kind() == ErrorKind::Eof => return Ok(Cow::from(&[])),
+            Err(e) => return Err(e),
+        };
         self.data.advance(bytes.len());
 
         loop {