From 2e90ec0ef06d45c18bbe9725e766f1d968f7441c Mon Sep 17 00:00:00 2001
From: Daniel Chabrowski <danchabrowski@gmail.com>
Date: Sun, 9 Oct 2022 03:12:42 +0200
Subject: [PATCH] FileStream: seek only when length exceeds buffer size

---
 taglib/toolkit/tfilestream.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/taglib/toolkit/tfilestream.cpp b/taglib/toolkit/tfilestream.cpp
index 06aabbd8..989e1d23 100644
--- a/taglib/toolkit/tfilestream.cpp
+++ b/taglib/toolkit/tfilestream.cpp
@@ -206,9 +206,12 @@ ByteVector FileStream::readBlock(unsigned long length)
   if(length == 0)
     return ByteVector();
 
-  const unsigned long streamLength = static_cast<unsigned long>(FileStream::length());
-  if(length > bufferSize() && length > streamLength)
-    length = streamLength;
+  if(length > bufferSize()) {
+    const unsigned long streamLength = static_cast<unsigned long>(FileStream::length());
+    if(length > streamLength) {
+      length = streamLength;
+    }
+  }
 
   ByteVector buffer(static_cast<unsigned int>(length));