40 lines
1.1 KiB
Objective-C
40 lines
1.1 KiB
Objective-C
// Copyright 2019 Google
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#import "FIRCLSUUID.h"
|
|
|
|
#import "FIRCLSByteUtility.h"
|
|
|
|
static NSInteger const FIRCLSUUIDStringLength = 33;
|
|
|
|
#pragma mark Public methods
|
|
|
|
NSString *FIRCLSGenerateUUID(void) {
|
|
NSString *string;
|
|
|
|
CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
|
|
string = CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, uuid));
|
|
CFRelease(uuid);
|
|
|
|
return string;
|
|
}
|
|
|
|
NSString *FIRCLSUUIDToNSString(const uint8_t *uuid) {
|
|
char uuidString[FIRCLSUUIDStringLength];
|
|
|
|
FIRCLSSafeHexToString(uuid, 16, uuidString);
|
|
|
|
return [NSString stringWithUTF8String:uuidString];
|
|
}
|