| // RUN: clang -checker-cfref -verify %s |
| |
| typedef signed long CFIndex; |
| typedef const struct __CFAllocator * CFAllocatorRef; |
| enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2, |
| kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4, |
| kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6, |
| kCFNumberCharType = 7, kCFNumberShortType = 8, |
| kCFNumberIntType = 9, kCFNumberLongType = 10, |
| kCFNumberLongLongType = 11, kCFNumberFloatType = 12, |
| kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14, |
| kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16, |
| kCFNumberMaxType = 16 }; |
| typedef CFIndex CFNumberType; |
| typedef const struct __CFNumber * CFNumberRef; |
| extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); |
| |
| #include <stdint.h> |
| |
| CFNumberRef f1() { |
| uint8_t x = 1; |
| return CFNumberCreate(0, kCFNumberSInt16Type, &x); // expected-warning{{An 8 bit integer is used to initialize a CFNumber object that represents a 16 bit integer. 8 bits of the CFNumber value will be garbage.}} |
| } |
| |
| CFNumberRef f2() { |
| uint16_t x = 1; |
| return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{A 16 bit integer is used to initialize a CFNumber object that represents an 8 bit integer. 8 bits of the input integer will be lost.}} |
| } |