| Ted Kremenek | 04bc876 | 2008-06-26 23:59:48 +0000 | [diff] [blame^] | 1 | // RUN: clang -checker-cfref -verify %s |
| 2 | |
| 3 | typedef signed long CFIndex; |
| 4 | typedef const struct __CFAllocator * CFAllocatorRef; |
| 5 | enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2, |
| 6 | kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4, |
| 7 | kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6, |
| 8 | kCFNumberCharType = 7, kCFNumberShortType = 8, |
| 9 | kCFNumberIntType = 9, kCFNumberLongType = 10, |
| 10 | kCFNumberLongLongType = 11, kCFNumberFloatType = 12, |
| 11 | kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14, |
| 12 | kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16, |
| 13 | kCFNumberMaxType = 16 }; |
| 14 | typedef CFIndex CFNumberType; |
| 15 | typedef const struct __CFNumber * CFNumberRef; |
| 16 | extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); |
| 17 | |
| 18 | #include <stdint.h> |
| 19 | |
| 20 | CFNumberRef f1() { |
| 21 | uint8_t x = 1; |
| 22 | 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.}} |
| 23 | } |
| 24 | |
| 25 | CFNumberRef f2() { |
| 26 | uint16_t x = 1; |
| 27 | 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.}} |
| 28 | } |