From 1db557d7afe62abc12f5cf1cf8a97bb541a725a9 Mon Sep 17 00:00:00 2001
From: Matteo Bertini <naufraghi@develer.com>
Date: Mon, 29 May 2023 09:26:28 +0200
Subject: [PATCH] Avoid infinite loop writing and empty buffer

In `write::BzDecoder::try_finish` do not loop if nothing was written

Closes #96
---
 src/write.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/write.rs b/src/write.rs
index ddc16273..23cfd863 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -224,7 +224,8 @@ impl<W: Write> BzDecoder<W> {
     /// Attempts to write data to this stream may result in a panic after this
     /// function is called.
     pub fn try_finish(&mut self) -> io::Result<()> {
-        while !self.done {
+        // If nothing was written, there is no need to loop
+        while !self.done && self.total_in() > 0 {
             self.write(&[])?;
         }
         self.dump()