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