|  | // 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 darwin | 
|  |  | 
|  | package issue24161e1 | 
|  |  | 
|  | /* | 
|  | #cgo CFLAGS: -x objective-c | 
|  | #cgo LDFLAGS: -framework CoreFoundation -framework Security | 
|  | #include <TargetConditionals.h> | 
|  | #include <CoreFoundation/CoreFoundation.h> | 
|  | #include <Security/Security.h> | 
|  | #if TARGET_OS_IPHONE == 0 && __MAC_OS_X_VERSION_MAX_ALLOWED < 101200 | 
|  | typedef CFStringRef SecKeyAlgorithm; | 
|  | static CFDataRef SecKeyCreateSignature(SecKeyRef key, SecKeyAlgorithm algorithm, CFDataRef dataToSign, CFErrorRef *error){return NULL;} | 
|  | #define kSecKeyAlgorithmECDSASignatureDigestX962SHA1 foo() | 
|  | static SecKeyAlgorithm foo(void){return NULL;} | 
|  | #endif | 
|  | */ | 
|  | import "C" | 
|  | import ( | 
|  | "fmt" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | func f1() { | 
|  | C.SecKeyCreateSignature(0, C.kSecKeyAlgorithmECDSASignatureDigestX962SHA1, 0, nil) | 
|  | } | 
|  |  | 
|  | func f2(e C.CFErrorRef) { | 
|  | if desc := C.CFErrorCopyDescription(e); desc != 0 { | 
|  | fmt.Println(desc) | 
|  | } | 
|  | } | 
|  |  | 
|  | func Test(t *testing.T) {} |