1 files changed, 49 insertions, 0 deletions
diff --git a/internal/log/pool.go b/internal/log/pool.go
new file mode 100644
index 000000000..cb2edfbea
--- /dev/null
+++ b/internal/log/pool.go
@@ -0,0 +1,49 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package log
+
+import (
+	"sync"
+
+	"codeberg.org/gruf/go-byteutil"
+)
+
+// bufPool provides a memory pool of log buffers.
+var bufPool = sync.Pool{
+	New: func() any {
+		return &byteutil.Buffer{
+			B: make([]byte, 0, 512),
+		}
+	},
+}
+
+// getBuf acquires a buffer from memory pool.
+func getBuf() *byteutil.Buffer {
+	buf, _ := bufPool.Get().(*byteutil.Buffer)
+	return buf
+}
+
+// putBuf places (after resetting) buffer back in memory pool, dropping if capacity too large.
+func putBuf(buf *byteutil.Buffer) {
+	if buf.Cap() > int(^uint16(0)) {
+		return // drop large buffer
+	}
+	buf.Reset()
+	bufPool.Put(buf)
+}