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Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/strs/strings_unsafe_go121.go')
-rw-r--r--vendor/google.golang.org/protobuf/internal/strs/strings_unsafe_go121.go73
1 files changed, 0 insertions, 73 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe_go121.go b/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe_go121.go
deleted file mode 100644
index 1ffddf687..000000000
--- a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe_go121.go
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.21
-
-package strs
-
-import (
- "unsafe"
-
- "google.golang.org/protobuf/reflect/protoreflect"
-)
-
-// UnsafeString returns an unsafe string reference of b.
-// The caller must treat the input slice as immutable.
-//
-// WARNING: Use carefully. The returned result must not leak to the end user
-// unless the input slice is provably immutable.
-func UnsafeString(b []byte) string {
- return unsafe.String(unsafe.SliceData(b), len(b))
-}
-
-// UnsafeBytes returns an unsafe bytes slice reference of s.
-// The caller must treat returned slice as immutable.
-//
-// WARNING: Use carefully. The returned result must not leak to the end user.
-func UnsafeBytes(s string) []byte {
- return unsafe.Slice(unsafe.StringData(s), len(s))
-}
-
-// Builder builds a set of strings with shared lifetime.
-// This differs from strings.Builder, which is for building a single string.
-type Builder struct {
- buf []byte
-}
-
-// AppendFullName is equivalent to protoreflect.FullName.Append,
-// but optimized for large batches where each name has a shared lifetime.
-func (sb *Builder) AppendFullName(prefix protoreflect.FullName, name protoreflect.Name) protoreflect.FullName {
- n := len(prefix) + len(".") + len(name)
- if len(prefix) == 0 {
- n -= len(".")
- }
- sb.grow(n)
- sb.buf = append(sb.buf, prefix...)
- sb.buf = append(sb.buf, '.')
- sb.buf = append(sb.buf, name...)
- return protoreflect.FullName(sb.last(n))
-}
-
-// MakeString is equivalent to string(b), but optimized for large batches
-// with a shared lifetime.
-func (sb *Builder) MakeString(b []byte) string {
- sb.grow(len(b))
- sb.buf = append(sb.buf, b...)
- return sb.last(len(b))
-}
-
-func (sb *Builder) grow(n int) {
- if cap(sb.buf)-len(sb.buf) >= n {
- return
- }
-
- // Unlike strings.Builder, we do not need to copy over the contents
- // of the old buffer since our builder provides no API for
- // retrieving previously created strings.
- sb.buf = make([]byte, 0, 2*(cap(sb.buf)+n))
-}
-
-func (sb *Builder) last(n int) string {
- return UnsafeString(sb.buf[len(sb.buf)-n:])
-}