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2.2 KiB

// RUN: %clang_cc1 -Wcstring-format-directive -verify -fsyntax-only %s
// rdar://19904147
typedef __builtin_va_list __darwin_va_list;
typedef __builtin_va_list va_list;
va_list argList;
typedef const struct __CFString * CFStringRef;
typedef struct __CFString * CFMutableStringRef;
typedef const struct __CFAllocator * CFAllocatorRef;
typedef const struct __CFDictionary * CFDictionaryRef;
CFStringRef CFSTR ( const char *cStr );
extern
CFStringRef CStringCreateWithFormat(CFAllocatorRef alloc, CFDictionaryRef formatOptions, const char* format, ...) __attribute__((format(os_trace, 3, 4)));
extern
CFStringRef CStringCreateWithFormatAndArguments(CFAllocatorRef alloc, CFDictionaryRef formatOptions, const char* format, va_list arguments) __attribute__((format(os_trace, 3, 0)));
extern
void CStringAppendFormat(CFMutableStringRef theString, CFDictionaryRef formatOptions, const char* format, ...) __attribute__((format(os_trace, 3, 4)));
extern
void CStringAppendFormatAndArguments(CFMutableStringRef theString, CFDictionaryRef formatOptions, const char* format, va_list arguments) __attribute__((format(os_trace, 3, 0)));
void Test1(va_list argList) {
CFAllocatorRef alloc;
CStringCreateWithFormatAndArguments (alloc, 0, "%s\n", argList);
CStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, "Hello %s there %d\n", argList);
CStringCreateWithFormatAndArguments (alloc, 0, "%c\n", argList);
CStringAppendFormatAndArguments ((CFMutableStringRef)@"AAAA", 0, "%d\n", argList);
}
extern void MyOSLog(const char* format, ...) __attribute__((format(os_trace, 1, 2)));
extern void MyFStringCreateWithFormat(const char *format, ...) __attribute__((format(os_trace, 1, 2)));
extern void XMyOSLog(int, const char* format, ...) __attribute__((format(os_trace, 2, 3)));
extern void os_trace(const char *format, ...) __attribute__((format(os_trace, 1, 2)));
void Test2() {
MyOSLog("%s\n", "Hello");
MyFStringCreateWithFormat("%s", "Hello");
XMyOSLog(4, "%s\n", "Hello");
os_trace("testing %@, %s, %d, %@, %m", CFSTR("object"), "string", 3, "it"); // expected-warning {{format specifies type 'id' but the argument has type 'char *'}}
os_trace("testing %@, %s, %d, %@, %m", CFSTR("object"), "string", 3, @"ok");
}