CFNumber.c revision 6eddeb153415049c7b62de4b45385a759a6906c6
1// RUN: clang -checker-cfref -verify -triple x86_64-apple-darwin9 %s 2 3typedef signed long CFIndex; 4typedef const struct __CFAllocator * CFAllocatorRef; 5enum { 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 }; 14typedef CFIndex CFNumberType; 15typedef const struct __CFNumber * CFNumberRef; 16extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); 17 18#include <stdint.h> 19 20CFNumberRef 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 25CFNumberRef 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} 29 30CFNumberRef f3(unsigned i) { 31 return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}} 32}