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add new feature, automatic switching mode between MRR and ARC #56

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add new feature, automatic switching mode between MRR and ARC #56

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34 changes: 25 additions & 9 deletions OpenUDID.m
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Original file line number Diff line number Diff line change
Expand Up @@ -36,10 +36,20 @@
distribution.
*/

#if __has_feature(objc_arc)
#error This file uses the classic non-ARC retain/release model; hints below...
// to selectively compile this file as non-ARC, do as follows:
// https://img.skitch.com/20120717-g3ag5h9a6ehkgpmpjiuen3qpwp.png
#if !__has_feature(objc_arc)
#define OpenUDIDAutorelease(__v) [__v autorelease];

#define OpenUDIDRetain(__v) [__v retain];
#define OpenUDIDReturnRetained OpenUDIDRetain

#define OpenUDIDRelease(__v) [__v release];
#else
#define OpenUDIDAutorelease(__v)

#define OpenUDIDRetain(__v)
#define OpenUDIDReturnRetained(__v) (__v)

#define OpenUDIDRelease(__v)
#endif

#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
Expand Down Expand Up @@ -230,9 +240,14 @@ + (NSString*) valueWithError:(NSError **)error {
{
// generate a new uuid and store it in user defaults
CFUUIDRef uuid = CFUUIDCreate(NULL);
appUID = (NSString *) CFUUIDCreateString(NULL, uuid);

#if !__has_feature(objc_arc)
appUID = [(NSString *)CFUUIDCreateString(NULL, uuid) autorelease];
#else
appUID = (NSString *)CFBridgingRelease(CFUUIDCreateString(NULL, uuid));
#endif

CFRelease(uuid);
[appUID autorelease];
}

NSString* openUDID = nil;
Expand Down Expand Up @@ -373,8 +388,8 @@ + (NSString*) valueWithError:(NSError **)error {
if (error!=nil) *error = [NSError errorWithDomain:kOpenUDIDDomain
code:kOpenUDIDErrorOptedOut
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"Application with unique id %@ is opted-out from OpenUDID as of %@",appUID,optedOutDate],@"description", nil]];
kOpenUDIDSessionCache = [[NSString stringWithFormat:@"%040x",0] retain];
kOpenUDIDSessionCache = OpenUDIDReturnRetained(([NSString stringWithFormat:@"%040x", 0]));
return kOpenUDIDSessionCache;
}

Expand All @@ -390,7 +405,8 @@ + (NSString*) valueWithError:(NSError **)error {
code:kOpenUDIDErrorNone
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"OpenUDID succesfully retrieved",@"description", nil]];
}
kOpenUDIDSessionCache = [openUDID retain];

kOpenUDIDSessionCache = OpenUDIDReturnRetained(openUDID);
return kOpenUDIDSessionCache;
}

Expand Down