1// RUN: %clang_cc1 -Wcstring-format-directive -verify -fsyntax-only %s 2// rdar://18182443 3 4typedef __builtin_va_list __darwin_va_list; 5typedef __builtin_va_list va_list; 6 7@interface NSString 8@end 9 10va_list argList; 11 12@interface NSString (NSStringExtensionMethods) 13- (NSString *)stringByAppendingFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); 14- (instancetype)initWithFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); // expected-note 2 {{method 'initWithFormat:' declared here}} 15- (instancetype)initWithFormat:(NSString *)format arguments:(va_list)argList __attribute__((format(__NSString__, 1, 0))); 16- (instancetype)initWithFormat:(NSString *)format locale:(id)locale, ... __attribute__((format(__NSString__, 1, 3))); 17- (instancetype)initWithFormat:(NSString *)format locale:(id)locale arguments:(va_list)argList __attribute__((format(__NSString__, 1, 0))); 18+ (instancetype)stringWithFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); // expected-note {{method 'stringWithFormat:' declared here}} 19+ (instancetype)localizedStringWithFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); // expected-note {{method 'localizedStringWithFormat:' declared here}} 20- (void)MyRandomMethod:(NSString *)format locale:(id)locale arguments:(va_list)argList __attribute__((format(__NSString__, 1, 0))); // expected-note {{method 'MyRandomMethod:locale:arguments:' declared here}} 21@end 22 23@interface NSMutableString : NSString 24@end 25 26@interface NSMutableString (NSMutableStringExtensionMethods) 27 28- (void)appendFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2))); 29 30@end 31 32NSString *ns(NSString *pns) { 33 [pns initWithFormat: @"Number %d length %c name %s", 1, 'a', "something"]; // expected-warning {{using %s directive in NSString which is being passed as a formatting argument to the formatting method}} 34 [NSString localizedStringWithFormat : @"Hello%s", " There"]; // expected-warning {{using %s directive in NSString which is being passed as a formatting argument to the formatting method}} 35 [pns initWithFormat : @"Hello%s %d %d", "Hello", 1, 2]; // expected-warning {{using %s directive in NSString which is being passed as a formatting argument to the formatting method}} 36 [pns MyRandomMethod : @"Hello%s %d %d" locale:0 arguments: argList]; // expected-warning {{using %s directive in NSString which is being passed as a formatting argument to the formatting method}} 37 return [NSString stringWithFormat : @"Hello%s", " There"]; // expected-warning {{using %s directive in NSString which is being passed as a formatting argument to the formatting method}} 38} 39 40 41typedef const struct __CFString * CFStringRef; 42typedef struct __CFString * CFMutableStringRef; 43typedef const struct __CFAllocator * CFAllocatorRef; 44 45 46typedef const struct __CFDictionary * CFDictionaryRef; 47 48 49extern 50CFStringRef CFStringCreateWithFormat(CFAllocatorRef alloc, CFDictionaryRef formatOptions, CFStringRef format, ...) __attribute__((format(CFString, 3, 4))); 51 52extern 53CFStringRef CFStringCreateWithFormatAndArguments(CFAllocatorRef alloc, CFDictionaryRef formatOptions, CFStringRef format, va_list arguments) __attribute__((format(CFString, 3, 0))); // expected-note {{'CFStringCreateWithFormatAndArguments' declared here}} 54 55extern 56void CFStringAppendFormat(CFMutableStringRef theString, CFDictionaryRef formatOptions, CFStringRef format, ...) __attribute__((format(CFString, 3, 4))); 57 58extern 59void CFStringAppendFormatAndArguments(CFMutableStringRef theString, CFDictionaryRef formatOptions, CFStringRef format, va_list arguments) __attribute__((format(CFString, 3, 0))); // expected-note {{'CFStringAppendFormatAndArguments' declared here}} 60 61void Test1(va_list argList) { 62 CFAllocatorRef alloc; 63 CFStringCreateWithFormatAndArguments (alloc, 0, (CFStringRef)@"%s\n", argList); // expected-warning {{using %s directive in CFString which is being passed as a formatting argument to the formatting CFfunction}} 64 CFStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, (CFStringRef)"Hello %s there %d\n", argList); // expected-warning {{using %s directive in CFString which is being passed as a formatting argument to the formatting CFfunction}} 65 CFStringCreateWithFormatAndArguments (alloc, 0, (CFStringRef)@"%c\n", argList); 66 CFStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, (CFStringRef)"%d\n", argList); 67} 68 69extern void MyNSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-note {{'MyNSLog' declared here}} 70extern void MyCFStringCreateWithFormat(CFStringRef format, ...) __attribute__((format(__CFString__, 1, 2))); // expected-note {{'MyCFStringCreateWithFormat' declared here}} 71extern void XMyNSLog(int, NSString *format, ...) __attribute__((format(__NSString__, 2, 3))); // expected-note {{'XMyNSLog' declared here}} 72 73void Test2() { 74 MyNSLog(@"%s\n", "Hello"); // expected-warning {{using %s directive in CFString which is being passed as a formatting argument to the formatting CFfunction}} 75 76 MyCFStringCreateWithFormat((CFStringRef)@"%s", "Hello"); // expected-warning {{using %s directive in CFString which is being passed as a formatting argument to the formatting CFfunction}} 77 XMyNSLog(4, @"%s\n", "Hello"); // expected-warning {{using %s directive in CFString which is being passed as a formatting argument to the formatting CFfunction}} 78} 79 80