| // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber -analyzer-store=basic -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s |
| // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber -analyzer-store=basic -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s |
| // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s |
| // RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %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); |
| |
| CFNumberRef f1(unsigned char x) { |
| 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.}} |
| } |
| |
| __attribute__((cf_returns_retained)) CFNumberRef f2(unsigned short x) { |
| 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.}} |
| } |
| |
| // test that the attribute overrides the naming convention. |
| __attribute__((cf_returns_not_retained)) CFNumberRef CreateNum(unsigned char x) { |
| return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{leak}} |
| } |
| |
| CFNumberRef f3(unsigned i) { |
| return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}} |
| } |