CFNumber.c revision 0b1ba6227c67d5e04b589ed8a08afa2345a40666
1// RUN: %clang_cc1 -analyze -analyzer-checker=macosx.CFNumber -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s 2// RUN: %clang_cc1 -analyze -analyzer-checker=macosx.CFNumber -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s 3// RUN: %clang_cc1 -analyze -analyzer-checker=macosx.CFNumber -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s 4// RUN: %clang_cc1 -analyze -analyzer-checker=macosx.CFNumber -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s 5 6typedef signed long CFIndex; 7typedef const struct __CFAllocator * CFAllocatorRef; 8enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2, 9 kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4, 10 kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6, 11 kCFNumberCharType = 7, kCFNumberShortType = 8, 12 kCFNumberIntType = 9, kCFNumberLongType = 10, 13 kCFNumberLongLongType = 11, kCFNumberFloatType = 12, 14 kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14, 15 kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16, 16 kCFNumberMaxType = 16 }; 17typedef CFIndex CFNumberType; 18typedef const struct __CFNumber * CFNumberRef; 19extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); 20 21CFNumberRef f1(unsigned char x) { 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(unsigned short x) { 26 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.}} 27} 28 29CFNumberRef f3(unsigned i) { 30 return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}} 31} 32