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authorRuss Cox <rsc@golang.org>2024-05-21 23:24:47 -0400
committerGopher Robot <gobot@golang.org>2024-05-23 00:18:55 +0000
commitbde905af5b11e3e34bc1f5d4846d7767f7197236 (patch)
tree8def6eab2e681e1b463e8327279bc8f833b5f10f /src/encoding/json/decode.go
parent2f07d4455636ece45ff843fe4d9298ea65f933c1 (diff)
downloadgo-bde905af5b11e3e34bc1f5d4846d7767f7197236.tar.xz
all: document legacy //go:linkname for modules with ≥20,000 dependents
For #67401. Change-Id: Icc10ede72547d8020c0ba45e89d954822a4b2455 Reviewed-on: https://go-review.googlesource.com/c/go/+/587218 Auto-Submit: Russ Cox <rsc@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/encoding/json/decode.go')
-rw-r--r--src/encoding/json/decode.go10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/encoding/json/decode.go b/src/encoding/json/decode.go
index ce566f7955..efceecdf82 100644
--- a/src/encoding/json/decode.go
+++ b/src/encoding/json/decode.go
@@ -17,6 +17,7 @@ import (
"unicode"
"unicode/utf16"
"unicode/utf8"
+ _ "unsafe" // for linkname
)
// Unmarshal parses the JSON-encoded data and stores the result
@@ -1178,6 +1179,15 @@ func unquote(s []byte) (t string, ok bool) {
return
}
+// unquoteBytes should be an internal detail,
+// but widely used packages access it using linkname.
+// Notable members of the hall of shame include:
+// - github.com/bytedance/sonic
+//
+// Do not remove or change the type signature.
+// See go.dev/issue/67401.
+//
+//go:linkname unquoteBytes
func unquoteBytes(s []byte) (t []byte, ok bool) {
if len(s) < 2 || s[0] != '"' || s[len(s)-1] != '"' {
return