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      1 // RUN: %clang_cc1 -Wcstring-format-directive -verify -fsyntax-only %s
      2 // rdar://19904147
      3 
      4 typedef __builtin_va_list __darwin_va_list;
      5 typedef __builtin_va_list va_list;
      6 
      7 va_list argList;
      8 
      9 typedef const struct __CFString * CFStringRef;
     10 typedef struct __CFString * CFMutableStringRef;
     11 typedef const struct __CFAllocator * CFAllocatorRef;
     12 
     13 
     14 typedef const struct __CFDictionary * CFDictionaryRef;
     15 
     16 CFStringRef CFSTR ( const char *cStr );
     17 
     18 
     19 extern
     20 CFStringRef CStringCreateWithFormat(CFAllocatorRef alloc, CFDictionaryRef formatOptions, const char* format, ...) __attribute__((format(os_trace, 3, 4)));
     21 
     22 extern
     23 CFStringRef CStringCreateWithFormatAndArguments(CFAllocatorRef alloc, CFDictionaryRef formatOptions, const char* format, va_list arguments) __attribute__((format(os_trace, 3, 0)));
     24 
     25 extern
     26 void CStringAppendFormat(CFMutableStringRef theString, CFDictionaryRef formatOptions, const char* format, ...) __attribute__((format(os_trace, 3, 4)));
     27 
     28 extern
     29 void CStringAppendFormatAndArguments(CFMutableStringRef theString, CFDictionaryRef formatOptions, const char* format, va_list arguments) __attribute__((format(os_trace, 3, 0)));
     30 
     31 void Test1(va_list argList) {
     32   CFAllocatorRef alloc;
     33   CStringCreateWithFormatAndArguments (alloc, 0, "%s\n", argList);
     34   CStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, "Hello %s there %d\n", argList);
     35   CStringCreateWithFormatAndArguments (alloc, 0, "%c\n", argList);
     36   CStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, "%d\n", argList);
     37 }
     38 
     39 extern void MyOSLog(const char* format, ...) __attribute__((format(os_trace, 1, 2)));
     40 extern void MyFStringCreateWithFormat(const char *format, ...) __attribute__((format(os_trace, 1, 2)));
     41 extern void XMyOSLog(int, const char* format, ...) __attribute__((format(os_trace, 2, 3)));
     42 extern void os_trace(const char *format, ...) __attribute__((format(os_trace, 1, 2)));
     43 
     44 void Test2() {
     45   MyOSLog("%s\n", "Hello");
     46 
     47   MyFStringCreateWithFormat("%s", "Hello"); 
     48   XMyOSLog(4, "%s\n", "Hello");
     49 
     50   os_trace("testing %@, %s, %d, %@, %m", CFSTR("object"), "string", 3, "it"); // expected-warning {{format specifies type 'id' but the argument has type 'char *'}}
     51 
     52   os_trace("testing %@, %s, %d, %@, %m", CFSTR("object"), "string", 3, @"ok");
     53 }
     54 
     55