From 3bb358367eb54efee3f08af4b4c4c74247db5e01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Thu, 2 Oct 2025 14:59:53 +0800
Subject: [PATCH] fix(pbuf): wrong pointer

---
 pbuf/pooler.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pbuf/pooler.go b/pbuf/pooler.go
index 21b803b..3912fa4 100644
--- a/pbuf/pooler.go
+++ b/pbuf/pooler.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"io"
 	"reflect"
+	"unsafe"
 )
 
 // UserBuffer with customizable user data structure inside.
@@ -18,6 +19,7 @@ func (bufpooler[USRDAT]) New(config any, pooled UserBuffer[USRDAT]) UserBuffer[U
 	switch c := config.(type) {
 	case int:
 		pooled.Grow(c)
+		*(*[]byte)(unsafe.Pointer(&pooled.Buffer)) = pooled.Bytes()[:c]
 		if c != pooled.Len() {
 			panic("unexpected bad buffer Grow")
 		}