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authorLibravatar Terin Stock <terinjokes@gmail.com>2022-04-26 20:30:25 -0700
committerLibravatar Terin Stock <terinjokes@gmail.com>2023-01-31 15:16:42 +0100
commit83b4c9ebc87d0fddf4e638f13e3af1483912e3a5 (patch)
tree47840b84c0fd3cb226eab2ecb3dbce0617163406 /vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-83b4c9ebc87d0fddf4e638f13e3af1483912e3a5.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go')
-rw-r--r--vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go95
1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go b/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go
deleted file mode 100644
index 56a8a4ed3..000000000
--- a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go
+++ /dev/null
@@ -1,95 +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 !purego && !appengine
-// +build !purego,!appengine
-
-package strs
-
-import (
- "unsafe"
-
- pref "google.golang.org/protobuf/reflect/protoreflect"
-)
-
-type (
- stringHeader struct {
- Data unsafe.Pointer
- Len int
- }
- sliceHeader struct {
- Data unsafe.Pointer
- Len int
- Cap int
- }
-)
-
-// 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) (s string) {
- src := (*sliceHeader)(unsafe.Pointer(&b))
- dst := (*stringHeader)(unsafe.Pointer(&s))
- dst.Data = src.Data
- dst.Len = src.Len
- return s
-}
-
-// 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) (b []byte) {
- src := (*stringHeader)(unsafe.Pointer(&s))
- dst := (*sliceHeader)(unsafe.Pointer(&b))
- dst.Data = src.Data
- dst.Len = src.Len
- dst.Cap = src.Len
- return b
-}
-
-// 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 pref.FullName, name pref.Name) pref.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 pref.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, 2*(cap(sb.buf)+n))
-}
-
-func (sb *Builder) last(n int) string {
- return UnsafeString(sb.buf[len(sb.buf)-n:])
-}