Create and return a brand new unique identifier

//            CFUUIDRef CFUUIDCreate(CFAllocatorRef alloc);
            /* Create and return a brand new unique identifier */
  

            ///            CFUUIDRef uuidRef = CFUUIDCreate(kCFAllocatorDefault);//CF_EXPORT
//            CFUUIDRef CFUUIDCreate(CFAllocatorRef alloc);
            /* Create and return a brand new unique identifier */
  
   //         CFStringRef uuidString = CFUUIDCreateString(kCFAllocatorDefault, uuidRef);
  

CUtility GetRandomUUID

void * +[CUtility GetRandomUUID](void * self, void * _cmd) {
    r4 = CFUUIDCreate(0x0);
    r5 = CFUUIDCreateString(0x0, r4);
    CFRelease(r4);
    [r5 autorelease];
    r0 = r5;
    return r0;
}

uniqueAppInstanceIdentifier

@implementation UIDevice (org_apache_cordova_UIDevice_Extension)
  
- (NSString*)uniqueAppInstanceIdentifier
{
    NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
    static NSString* UUID_KEY = @"CDVUUID";
  
    NSString* app_uuid = [userDefaults stringForKey:UUID_KEY];
  
    if (app_uuid == nil) {
        CFUUIDRef uuidRef = CFUUIDCreate(kCFAllocatorDefault);
        CFStringRef uuidString = CFUUIDCreateString(kCFAllocatorDefault, uuidRef);
  
        app_uuid = [NSString stringWithString:(__bridge NSString*)uuidString];
        [userDefaults setObject:app_uuid forKey:UUID_KEY];
        [userDefaults synchronize];
  
        CFRelease(uuidString);
        CFRelease(uuidRef);
    }
  
    return app_uuid;
}
  
@end
  

ASI : (void)buildMultipartFormDataPostBody

	CFUUIDRef uuid = CFUUIDCreate(nil);
	NSString *uuidString = [(NSString*)CFUUIDCreateString(nil, uuid) autorelease];
	CFRelease(uuid);
	NSString *stringBoundary = [NSString stringWithFormat:@"0xKhTmLbOuNdArY-%@",uuidString];
  	
	[self addRequestHeader:@"Content-Type" value:[NSString stringWithFormat:@"multipart/form-data; charset=%@; boundary=%@", charset, stringBoundary]];
  

YYADD

+ (NSString *)stringWithUUID {
    CFUUIDRef uuid = CFUUIDCreate(NULL);
    CFStringRef string = CFUUIDCreateString(NULL, uuid);
    CFRelease(uuid);
    return (__bridge_transfer NSString *)string;
}
  

  这个只是做格式化  //      2018-08-03 17:01:38.365 WeChat[1623:187564] --[CUtility GetRandomMD5]
     //        2018-08-03 17:01:38.366 WeChat[1623:187564] ---[CUtility GetRandomUUID]
   //          2018-08-03 17:01:38.367 WeChat[1623:187564] ---ret:F2A6DE85-C045-41A2-96F7-DFC00275BE69
 //            2018-08-03 17:01:38.369 WeChat[1623:187564] --ret:F2A6DE85C04541A296F7DFC00275BE69
 

 void * +[CUtility GetRandomKey](void * self, void * _cmd) {
     r4 = sp - 0x60;
     asm { bfc        r4, #0x0, #0x4 };
     sp = r4;
     asm { vst1.64    {d8, d9, d10, d11}, [r4, #0x80]! };
     asm { vst1.64    {d12, d13, d14, d15}, [r4, #0x80] };
     sp = sp - 0x60;
     r0 = 0x630;
     asm { vmov.i32   q8, #0x0 };
     r0 = (r0 | 0xd70000) + 0x2c21ec0;
     r4 = 0x0;
     r5 = sp + 0x48;
     asm { vst1.64    {d16, d17}, [r5]! };
     *r5 = r4;
     _Unwind_SjLj_Register();
     stack[2020] = objc_retainAutorelease([objc_msgSend(*r2, *r0) retain]);
     [stack[2020] UTF8String];
     [stack[2020] lengthOfBytesUsingEncoding:0x4, r3];
     Md5Hash::DoHash();
     r4 = [[NSData dataWithBytes:sp + 0x48 length:0x10] retain];
     [stack[2020] release];
     Md5Hash::~Md5Hash();
     [r4 autorelease];
     _Unwind_SjLj_Unregister();
     r0 = *___stack_chk_guard - stack[2039];
     if (r0 == 0x0) {
             asm { moveq      r0, r4 };
     }
     if (CPU_FLAGS & E) {
             asm { add.weq    r4, sp, #0x60 };
     }
     if (CPU_FLAGS & E) {
             asm { vld1.64eq  {d8, d9, d10, d11}, [r4, #0x80]! };
     }
     if (CPU_FLAGS & E) {
             asm { vld1.64eq  {d12, d13, d14, d15}, [r4, #0x80] };
     }
     if (CPU_FLAGS & E) {
             asm { sub.weq    r4, r7, #0x18 };
     }
     if (CPU_FLAGS & E) {
             asm { moveq      sp, r4 };
     }
     if (CPU_FLAGS & E) {
             asm { pop.weq    {r8, sl, fp} };
     }
     if (CPU_FLAGS & E) {
             return r0;
     }
     r0 = __stack_chk_fail();
     return r0;
 }

knpost

/Users/devzkn/bin//knpost CFUUIDCreate Create and return a brand new unique identifier -t objc
#原来""的参数，需要自己加上""

转载请注明：张坤楠的博客 > CFUUIDCreate

CFUUIDCreate

Create and return a brand new unique identifier

Create and return a brand new unique identifier

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