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fix(pbuf): wrong pointer

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源文雨
2025-10-02 14:59:53 +08:00
parent e231feb2d4
commit 3bb358367e
1 changed files with 2 additions and 0 deletions
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2
pbuf/pooler.go
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@@ -4,6 +4,7 @@ import (
"bytes" "bytes"
"io" "io"
"reflect" "reflect"
"unsafe"
) )
// UserBuffer with customizable user data structure inside. // 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) { switch c := config.(type) {
case int: case int:
pooled.Grow(c) pooled.Grow(c)
*(*[]byte)(unsafe.Pointer(&pooled.Buffer)) = pooled.Bytes()[:c]
if c != pooled.Len() { if c != pooled.Len() {
panic("unexpected bad buffer Grow") panic("unexpected bad buffer Grow")
} }