1 files changed, 33 insertions, 3 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/rt/fastmem.go b/vendor/github.com/bytedance/sonic/internal/rt/fastmem.go
index a68d98aff..508be4765 100644
--- a/vendor/github.com/bytedance/sonic/internal/rt/fastmem.go
+++ b/vendor/github.com/bytedance/sonic/internal/rt/fastmem.go
@@ -17,8 +17,10 @@
 package rt
 
 import (
-    `unsafe`
-    `reflect`
+	"reflect"
+	"unsafe"
+
+	"github.com/bytedance/sonic/option"
 )
 
 //go:nosplit
@@ -90,6 +92,21 @@ func GuardSlice(buf *[]byte, n int) {
 	}
 }
 
+func GuardSlice2(buf []byte, n int) []byte {
+	c := cap(buf)
+	l := len(buf)
+	if c-l < n {
+		c = c>>1 + n + l
+		if c < 32 {
+			c = 32
+		}
+		tmp := make([]byte, l, c)
+		copy(tmp, buf)
+		buf = tmp
+	}
+    return buf
+}
+
 //go:nosplit
 func Ptr2SlicePtr(s unsafe.Pointer, l int, c int) unsafe.Pointer {
     slice := &GoSlice{
@@ -122,4 +139,17 @@ func StrFrom(p unsafe.Pointer, n int64) (s string) {
 func NoEscape(p unsafe.Pointer) unsafe.Pointer {
     x := uintptr(p)
     return unsafe.Pointer(x ^ 0)
-}
-\ No newline at end of file
+}
+
+//go:nosplit
+func MoreStack(size uintptr)
+
+//go:nosplit
+func Add(ptr unsafe.Pointer, off uintptr) unsafe.Pointer {
+    return unsafe.Pointer(uintptr(ptr) + off)
+}
+
+// CanSizeResue
+func CanSizeResue(cap int) bool {
+    return cap <= int(option.LimitBufferSize)
+}