1  //
 2  //  NSError+KCCreationHelpers.h
 3  //  KeychainCircle
 4  //
 5  //
 6  
 7  #import <Foundation/Foundation.h>
 8  
 9  NS_ASSUME_NONNULL_BEGIN
10  
11  // Returns false and fills in error with formatted description if cc_result is an error
12  bool CoreCryptoError(int cc_result, NSError * _Nullable * _Nullable error,  NSString * _Nonnull description, ...) NS_FORMAT_FUNCTION(3, 4);
13  // Returns false and fills in a requirement error if requirement is false
14  // We should have something better than -50 here.
15  bool RequirementError(bool requirement, NSError * _Nullable * _Nullable error, NSString * _Nonnull description, ...) NS_FORMAT_FUNCTION(3, 4);
16  
17  bool OSStatusError(OSStatus status, NSError * _Nullable * _Nullable error, NSString* _Nonnull description, ...) NS_FORMAT_FUNCTION(3, 4);
18  
19  
20  // MARK: Error Extensions
21  @interface NSError(KCCreationHelpers)
22  
23  + (instancetype) errorWithOSStatus:(OSStatus) status
24                            userInfo:(NSDictionary *)dict;
25  
26  - (instancetype) initWithOSStatus:(OSStatus) status
27                           userInfo:(NSDictionary *)dict;
28  
29  + (instancetype) errorWithOSStatus:(OSStatus) status
30                         description:(NSString*)description
31                                args:(va_list)va NS_FORMAT_FUNCTION(2, 0);
32  
33  - (instancetype) initWithOSStatus:(OSStatus) status
34                        description:(NSString*)description
35                               args:(va_list)va NS_FORMAT_FUNCTION(2, 0);
36  
37  + (instancetype) errorWithCoreCryptoStatus:(int) status
38                                    userInfo:(NSDictionary *)dict;
39  
40  - (instancetype) initWithCoreCryptoStatus:(int) status
41                                   userInfo:(NSDictionary *)dict;
42  
43  + (instancetype) errorWithCoreCryptoStatus:(int) status
44                                 description:(NSString*)description
45                                        args:(va_list)va NS_FORMAT_FUNCTION(2, 0);
46  
47  - (instancetype) initWithCoreCryptoStatus:(int) status
48                                description:(NSString*)description
49                                       args:(va_list)va NS_FORMAT_FUNCTION(2, 0);
50  
51  @end
52  
53  NS_ASSUME_NONNULL_END