| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.NSError,osx.coreFoundation.CFError -analyzer-store=region -verify -Wno-objc-root-class %s |
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| 2 | |
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| 3 | |
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| 4 | typedef signed char BOOL; |
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| 5 | typedef int NSInteger; |
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| 6 | typedef struct _NSZone NSZone; |
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| 7 | @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; |
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| 8 | @protocol NSObject - (BOOL)isEqual:(id)object; @end |
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| 9 | @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; @end |
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| 10 | @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end |
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| 11 | @interface NSObject <NSObject> {} @end |
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| 12 | @class NSDictionary; |
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| 13 | @interface NSError : NSObject <NSCopying, NSCoding> {} |
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| 14 | + (id)errorWithDomain:(NSString *)domain code:(NSInteger)code userInfo:(NSDictionary *)dict; |
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| 15 | @end |
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| 16 | extern NSString * const NSXMLParserErrorDomain ; |
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| 17 | |
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| 18 | @interface A |
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| 19 | - (void)myMethodWhichMayFail:(NSError **)error; |
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| 20 | - (BOOL)myMethodWhichMayFail2:(NSError **)error; |
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| 21 | @end |
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| 22 | |
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| 23 | @implementation A |
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| 24 | - (void)myMethodWhichMayFail:(NSError **)error { // expected-warning {{Method accepting NSError** should have a non-void return value to indicate whether or not an error occurred}} |
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| 25 | *error = [NSError errorWithDomain:@"domain" code:1 userInfo:0]; // expected-warning {{Potential null dereference}} |
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| 26 | } |
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| 27 | |
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| 28 | - (BOOL)myMethodWhichMayFail2:(NSError **)error { // no-warning |
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| 29 | if (error) *error = [NSError errorWithDomain:@"domain" code:1 userInfo:0]; // no-warning |
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| 30 | return 0; |
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| 31 | } |
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| 32 | @end |
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| 33 | |
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| 34 | struct __CFError {}; |
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| 35 | typedef struct __CFError* CFErrorRef; |
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| 36 | |
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| 37 | void foo(CFErrorRef* error) { // expected-warning {{Function accepting CFErrorRef* should have a non-void return value to indicate whether or not an error occurred}} |
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| 38 | *error = 0; // expected-warning {{Potential null dereference}} |
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| 39 | } |
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| 40 | |
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| 41 | int f1(CFErrorRef* error) { |
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| 42 | if (error) *error = 0; // no-warning |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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| 46 | int f2(CFErrorRef* error) { |
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| 47 | if (0 != error) *error = 0; // no-warning |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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| 51 | int f3(CFErrorRef* error) { |
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| 52 | if (error != 0) *error = 0; // no-warning |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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| 56 | |
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| 57 | |
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