From 0e13c103bb2afea624e5943c9cd672773a21d4ed Mon Sep 17 00:00:00 2001
From: nhz2 <nhz2@cornell.edu>
Date: Sat, 5 Oct 2024 20:39:34 -0400
Subject: [PATCH] remove dead code

---
 src/compression.jl | 9 ++-------
 src/libzstd.jl     | 6 +++++-
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/compression.jl b/src/compression.jl
index 6a2b7b8..8ce79dd 100644
--- a/src/compression.jl
+++ b/src/compression.jl
@@ -101,13 +101,8 @@ function TranscodingStreams.startproc(codec::ZstdCompressor, mode::Symbol, error
             return :error
         end
     end
-    code = reset!(codec.cstream)
-    if iserror(code)
-        error[] = ErrorException("zstd error resetting compression context")
-        :error
-    else
-        :ok
-    end
+    reset!(codec.cstream)
+    return :ok
 end
 
 if isdefined(TranscodingStreams, :pledgeinsize)
diff --git a/src/libzstd.jl b/src/libzstd.jl
index c17f69d..dbbbb4b 100644
--- a/src/libzstd.jl
+++ b/src/libzstd.jl
@@ -60,7 +60,11 @@ function reset!(cstream::CStream)
     res = LibZstd.ZSTD_CCtx_reset(cstream, LibZstd.ZSTD_reset_session_only)
     reset!(cstream.ibuffer)
     reset!(cstream.obuffer)
-    return res
+    if iserror(res)
+        # According to zstd.h "Resetting session never fails" so this branch should be unreachable.
+        error("unreachable")
+    end
+    return
 end
 
 """