CFNumber.c revision be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6c 
1// RUN: clang -analyze -checker-cfref -analyzer-store=basic -verify -triple x86_64-apple-darwin9 %s &&
2// RUN: clang -analyze -checker-cfref -analyzer-store=basic -verify -triple x86_64-apple-darwin9 -analyzer-constraints=range %s &&
3// RUN: clang -analyze -checker-cfref -analyzer-store=region -verify -triple x86_64-apple-darwin9 %s
4
5typedef signed long CFIndex;
6typedef const struct __CFAllocator * CFAllocatorRef;
7enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
8       kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
9       kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
10       kCFNumberCharType = 7, kCFNumberShortType = 8,
11       kCFNumberIntType = 9, kCFNumberLongType = 10,
12       kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
13       kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
14       kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
15       kCFNumberMaxType = 16 };
16typedef CFIndex CFNumberType;
17typedef const struct __CFNumber * CFNumberRef;
18extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
19
20CFNumberRef f1(unsigned char x) {
21  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.}}
22}
23
24CFNumberRef f2(unsigned short x) {
25  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.}}
26}
27
28CFNumberRef f3(unsigned i) {
29  return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}}
30}
31