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crypto/x509/internal/macos: simplify code using unsafe.{SliceData,StringData}

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Updates #54854

Change-Id: I8a64a1176cbe16489e1fd21c66a7abc7d8b8e9b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/428154
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
This commit is contained in:
cuiweixie 2022-09-03 14:18:13 +08:00 committed by Gopher Robot
parent ccf82d5323
commit db9e549fd2
1 changed files with 2 additions and 3 deletions
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5
src/crypto/x509/internal/macos/corefoundation.go
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@ -12,7 +12,6 @@ package macOS
import (
"errors"
"internal/abi"
"reflect"
"runtime"
"time"
"unsafe"
@ -64,7 +63,7 @@ const kCFStringEncodingUTF8 = 0x08000100
//go:cgo_import_dynamic x509_CFDataCreate CFDataCreate "/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation"
func BytesToCFData(b []byte) CFRef {
p := unsafe.Pointer((*reflect.SliceHeader)(unsafe.Pointer(&b)).Data)
p := unsafe.Pointer(unsafe.SliceData(b))
ret := syscall(abi.FuncPCABI0(x509_CFDataCreate_trampoline), kCFAllocatorDefault, uintptr(p), uintptr(len(b)), 0, 0, 0)
runtime.KeepAlive(p)
return CFRef(ret)
@ -75,7 +74,7 @@ func x509_CFDataCreate_trampoline()
// StringToCFString returns a copy of the UTF-8 contents of s as a new CFString.
func StringToCFString(s string) CFString {
p := unsafe.Pointer((*reflect.StringHeader)(unsafe.Pointer(&s)).Data)
p := unsafe.Pointer(unsafe.StringData(s))
ret := syscall(abi.FuncPCABI0(x509_CFStringCreateWithBytes_trampoline), kCFAllocatorDefault, uintptr(p),
uintptr(len(s)), uintptr(kCFStringEncodingUTF8), 0 /* isExternalRepresentation */, 0)
runtime.KeepAlive(p)