From 6788e434dc1278261d1b16825540b612cdd6a59a Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@pep.foundation>
Date: Tue, 2 Oct 2018 23:13:03 +0200
Subject: buffered-reader: Fix BufferedReaderGeneric::data_hard.

  - Calling BufferedReaderGeneric::data_hard with amount greater than
    0 on an empty file should return an error, not an empty buffer.
---
 buffered-reader/src/generic.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/buffered-reader/src/generic.rs b/buffered-reader/src/generic.rs
index b6fe7aa2..ed187eff 100644
--- a/buffered-reader/src/generic.rs
+++ b/buffered-reader/src/generic.rs
@@ -177,7 +177,11 @@ impl<T: io::Read, C> BufferedReaderGeneric<T, C> {
                 }
             },
             None if self.saw_eof => {
-                return Ok(&b""[..]);
+                if hard && amount > 0 {
+                    Err(Error::new(ErrorKind::UnexpectedEof, "EOF"))
+                } else {
+                    Ok(&b""[..])
+                }
             },
             None => {
                 unreachable!();
-- 
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