1  //
 2  //  KCError.m
 3  //  Security
 4  //
 5  //
 6  
 7  #import "KCError.h"
 8  
 9  static NSString* KCErrorDomain = @"com.apple.security.keychaincircle";
10  
11  
12  @implementation NSError(KCJoiningError)
13  
14  + (nonnull instancetype) errorWithJoiningError:(KCJoiningError) code
15                                          format:(NSString*) format
16                                       arguments:(va_list) va {
17      return [[NSError alloc] initWithJoiningError:code
18                                          userInfo:@{NSLocalizedDescriptionKey:[[NSString alloc] initWithFormat:format arguments:va]}];
19  
20  }
21  
22  + (nonnull instancetype) errorWithJoiningError:(KCJoiningError) code
23                                          format:(NSString*) format, ... {
24  
25      va_list va;
26      va_start(va, format);
27      NSError* result = [NSError errorWithJoiningError:code format:format arguments:va];
28      va_end(va);
29  
30      return result;
31  
32  }
33  - (nonnull instancetype) initWithJoiningError:(KCJoiningError) code
34                                       userInfo:(nonnull NSDictionary *)dict {
35      return [self initWithDomain:KCErrorDomain code:code userInfo:dict];
36  }
37  @end
38  
39  void KCJoiningErrorCreate(KCJoiningError code, NSError** error, NSString* format, ...) {
40      if (error && (*error == nil)) {
41          va_list va;
42          va_start(va, format);
43          *error = [NSError errorWithJoiningError:code format:format arguments:va];
44          va_end(va);
45      }
46  }
47