1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/rt/growslice.go b/vendor/github.com/bytedance/sonic/internal/rt/growslice.go
new file mode 100644
index 000000000..fe182a5c9
--- /dev/null
+++ b/vendor/github.com/bytedance/sonic/internal/rt/growslice.go
@@ -0,0 +1,36 @@
+// +build go1.20
+
+/*
+ * Copyright 2021 ByteDance Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rt
+
+import "unsafe"
+
+// Growslice to newCap, not append length
+// Note: the [old, newCap) will not be zeroed if et does not have any ptr data.
+func GrowSlice(et *GoType, old GoSlice, newCap int) GoSlice {
+	if newCap < old.Len {
+		panic("growslice's newCap is smaller than old length")
+	}
+	s := growslice(old.Ptr, newCap, old.Cap, newCap - old.Len, et)
+	s.Len = old.Len
+	return s
+}
+
+//go:linkname growslice runtime.growslice
+//goland:noinspection GoUnusedParameter
+func growslice(oldPtr unsafe.Pointer, newLen, oldCap, num int, et *GoType) GoSlice