From cf6af6def1cac3fc6cd044c82282208b7073eb64 Mon Sep 17 00:00:00 2001
From: Brian Picciano <me@mediocregopher.com>
Date: Fri, 1 Nov 2024 13:00:18 +0100
Subject: Implement gemtext HTTP middleware

---
 internal/toolkit/toolkit.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 internal/toolkit/toolkit.go

(limited to 'internal/toolkit/toolkit.go')

diff --git a/internal/toolkit/toolkit.go b/internal/toolkit/toolkit.go
new file mode 100644
index 0000000..f87a496
--- /dev/null
+++ b/internal/toolkit/toolkit.go
@@ -0,0 +1,23 @@
+// Package toolkit contains useful, general-purpose utilities
+package toolkit
+
+import (
+	"bytes"
+	"sync"
+)
+
+var bufPool = sync.Pool{
+	New: func() any {
+		return new(bytes.Buffer)
+	},
+}
+
+// GetBuffer returns an empty buffer, along with a function which can be used to
+// return it to a global pool, which helps reduce allocations.
+func GetBuffer() (*bytes.Buffer, func()) {
+	buf := bufPool.Get().(*bytes.Buffer)
+	return buf, func() {
+		buf.Reset()
+		bufPool.Put(buf)
+	}
+}
-- 
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