47 lines
1.5 KiB
Objective-C
47 lines
1.5 KiB
Objective-C
// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "Crashlytics/Shared/FIRCLSUUID.h"
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#import "Crashlytics/Shared/FIRCLSByteUtility.h"
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/// Use an enum to define a true compile-time integer constant. This prevents
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/// warning below where the constant is used to declare the size of an array.
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enum {
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/// The buffer size needed to hold the hexadecimal string representation of a
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/// 16-byte UUID. This accounts for 32 characters (2 for each byte) plus one
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/// byte for the null terminator.
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FIRCLSUUIDStringLength = (16 * 2) + 1
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};
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#pragma mark Public methods
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NSString *FIRCLSGenerateUUID(void) {
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NSString *string;
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CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
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string = CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, uuid));
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CFRelease(uuid);
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return string;
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}
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NSString *FIRCLSUUIDToNSString(const uint8_t *uuid) {
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char uuidString[FIRCLSUUIDStringLength];
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FIRCLSSafeHexToString(uuid, 16, uuidString);
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return [NSString stringWithUTF8String:uuidString];
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}
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