1 // RUN: %clang_analyze_cc1 -analyzer-checker=osx.coreFoundation.containers.PointerSizedValues,osx.coreFoundation.containers.OutOfBounds -analyzer-store=region -triple x86_64-apple-darwin -verify %s
3 typedef const struct __CFAllocator * CFAllocatorRef;
4 typedef const struct __CFString * CFStringRef;
5 typedef unsigned char Boolean;
6 typedef signed long CFIndex;
8 const CFAllocatorRef kCFAllocatorDefault;
9 typedef const void * (*CFArrayRetainCallBack)(CFAllocatorRef allocator, const void *value);
10 typedef void (*CFArrayReleaseCallBack)(CFAllocatorRef allocator, const void *value);
11 typedef CFStringRef (*CFArrayCopyDescriptionCallBack)(const void *value);
12 typedef Boolean (*CFArrayEqualCallBack)(const void *value1, const void *value2);
15 CFArrayRetainCallBack retain;
16 CFArrayReleaseCallBack release;
17 CFArrayCopyDescriptionCallBack copyDescription;
18 CFArrayEqualCallBack equal;
20 typedef const struct __CFArray * CFArrayRef;
21 CFArrayRef CFArrayCreate(CFAllocatorRef allocator, const void **values, CFIndex numValues, const CFArrayCallBacks *callBacks);
22 typedef struct __CFArray * CFMutableArrayRef;
23 typedef const struct __CFString * CFStringRef;
25 kCFNumberSInt8Type = 1,
26 kCFNumberSInt16Type = 2,
27 kCFNumberSInt32Type = 3,
28 kCFNumberSInt64Type = 4,
29 kCFNumberFloat32Type = 5,
30 kCFNumberFloat64Type = 6,
31 kCFNumberCharType = 7,
32 kCFNumberShortType = 8,
34 kCFNumberLongType = 10,
35 kCFNumberLongLongType = 11,
36 kCFNumberFloatType = 12,
37 kCFNumberDoubleType = 13,
38 kCFNumberCFIndexType = 14,
39 kCFNumberNSIntegerType = 15,
40 kCFNumberCGFloatType = 16,
43 typedef CFIndex CFNumberType;
44 typedef const struct __CFNumber * CFNumberRef;
45 typedef CFIndex CFComparisonResult;
46 typedef const struct __CFDictionary * CFDictionaryRef;
47 typedef const void * (*CFDictionaryRetainCallBack)(CFAllocatorRef allocator, const void *value);
48 typedef void (*CFDictionaryReleaseCallBack)(CFAllocatorRef allocator, const void *value);
49 typedef CFStringRef (*CFDictionaryCopyDescriptionCallBack)(const void *value);
50 typedef Boolean (*CFDictionaryEqualCallBack)(const void *value1, const void *value2);
51 typedef Boolean (*CFArrayEqualCallBack)(const void *value1, const void *value2);
52 typedef Boolean (*CFSetEqualCallBack)(const void *value1, const void *value2);
53 typedef const void * (*CFSetRetainCallBack)(CFAllocatorRef allocator, const void *value);
54 typedef void (*CFSetReleaseCallBack)(CFAllocatorRef allocator, const void *value);
55 typedef CFStringRef (*CFSetCopyDescriptionCallBack)(const void *value);
58 CFSetRetainCallBack retain;
59 CFSetReleaseCallBack release;
60 CFSetCopyDescriptionCallBack copyDescription;
61 CFSetEqualCallBack equal;
65 CFDictionaryRetainCallBack retain;
66 CFDictionaryReleaseCallBack release;
67 CFDictionaryCopyDescriptionCallBack copyDescription;
68 CFDictionaryEqualCallBack equal;
69 } CFDictionaryKeyCallBacks;
72 CFDictionaryRetainCallBack retain;
73 CFDictionaryReleaseCallBack release;
74 CFDictionaryCopyDescriptionCallBack copyDescription;
75 CFDictionaryEqualCallBack equal;
76 } CFDictionaryValueCallBacks;
77 CFDictionaryRef CFDictionaryCreate(CFAllocatorRef allocator, const void **keys, const void **values, CFIndex numValues, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
79 const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
80 typedef const struct __CFSet * CFSetRef;
82 const CFSetCallBacks kCFTypeSetCallBacks;
84 const CFDictionaryKeyCallBacks kCFCopyStringDictionaryKeyCallBacks;
86 const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx);
88 CFIndex CFArrayGetCount(CFArrayRef theArray);
89 CFDictionaryRef CFDictionaryCreate(CFAllocatorRef allocator, const void **keys, const void **values, CFIndex numValues, const
90 CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
91 CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
93 CFSetRef CFSetCreate(CFAllocatorRef allocator, const void **values, CFIndex numValues, const CFSetCallBacks *callBacks);
94 #define CFSTR(cStr) ((CFStringRef) __builtin___CFStringMakeConstantString ("" cStr ""))
97 // Done with the headers.
98 // Test alpha.osx.cocoa.ContainerAPI checker.
99 void testContainers(int **xNoWarn, CFIndex count) {
100 int x[] = { 1, 2, 3 };
101 CFArrayRef foo = CFArrayCreate(kCFAllocatorDefault, (const void **) x, sizeof(x) / sizeof(x[0]), 0);// expected-warning {{The second argument to 'CFArrayCreate' must be a C array of pointer-sized}}
103 CFArrayRef fooNoWarn = CFArrayCreate(kCFAllocatorDefault, (const void **) xNoWarn, sizeof(xNoWarn) / sizeof(xNoWarn[0]), 0); // no warning
104 CFArrayRef fooNoWarn2 = CFArrayCreate(kCFAllocatorDefault, 0, sizeof(xNoWarn) / sizeof(xNoWarn[0]), 0);// no warning, passing in 0
105 CFArrayRef fooNoWarn3 = CFArrayCreate(kCFAllocatorDefault, NULL, sizeof(xNoWarn) / sizeof(xNoWarn[0]), 0);// no warning, passing in NULL
107 CFSetRef set = CFSetCreate(NULL, (const void **)x, 3, &kCFTypeSetCallBacks); // expected-warning {{The second argument to 'CFSetCreate' must be a C array of pointer-sized values}}
108 CFArrayRef* pairs = new CFArrayRef[count];
109 CFSetRef fSet = CFSetCreate(kCFAllocatorDefault, (const void**) pairs, count - 1, &kCFTypeSetCallBacks);// no warning
112 void CreateDict(int *elems) {
113 const short days28 = 28;
114 const short days30 = 30;
115 const short days31 = 31;
116 CFIndex numValues = 6;
118 CFNumberRef values[6];
119 keys[0] = CFSTR("January"); values[0] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days31);
120 keys[1] = CFSTR("February"); values[1] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days28);
121 keys[2] = CFSTR("March"); values[2] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days31);
122 keys[3] = CFSTR("April"); values[3] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days30);
123 keys[4] = CFSTR("May"); values[4] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days31);
124 keys[5] = CFSTR("June"); values[5] = CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &days30);
126 const CFDictionaryKeyCallBacks keyCB = kCFCopyStringDictionaryKeyCallBacks;
127 const CFDictionaryValueCallBacks valCB = kCFTypeDictionaryValueCallBacks;
128 CFDictionaryRef dict1 = CFDictionaryCreate(kCFAllocatorDefault, (const void**)keys, (const void**)values, numValues, &keyCB, &valCB); // no warning
129 CFDictionaryRef dict2 = CFDictionaryCreate(kCFAllocatorDefault, (const void**)elems[0], (const void**)values, numValues, &keyCB, &valCB); //expected-warning {{The second argument to 'CFDictionaryCreate' must be a C array of}} expected-warning {{cast to 'const void **' from smaller integer type 'int'}}
130 CFDictionaryRef dict3 = CFDictionaryCreate(kCFAllocatorDefault, (const void**)keys, (const void**)elems, numValues, &keyCB, &valCB); // expected-warning {{The third argument to 'CFDictionaryCreate' must be a C array of pointer-sized values}}
133 void OutOfBoundsSymbolicOffByOne(const void ** input, CFIndex S) {
135 array = CFArrayCreate(kCFAllocatorDefault, input, S, 0);
136 const void *s1 = CFArrayGetValueAtIndex(array, 0); // no warning
137 const void *s2 = CFArrayGetValueAtIndex(array, S-1); // no warning
138 const void *s3 = CFArrayGetValueAtIndex(array, S); // expected-warning {{Index is out of bounds}}
141 void OutOfBoundsConst(const void ** input, CFIndex S) {
143 array = CFArrayCreate(kCFAllocatorDefault, input, 3, 0);
144 const void *s1 = CFArrayGetValueAtIndex(array, 0); // no warning
145 const void *s2 = CFArrayGetValueAtIndex(array, 2); // no warning
146 const void *s3 = CFArrayGetValueAtIndex(array, 5); // expected-warning {{Index is out of bounds}}
148 // TODO: The solver is probably not strong enough here.
150 for (sIndex = 0 ; sIndex <= 5 ; sIndex += 3 ) {
151 const void *s = CFArrayGetValueAtIndex(array, sIndex);
155 void OutOfBoundsZiro(const void ** input, CFIndex S) {
157 // The API allows to set the size to 0. Check that we don't undeflow when the size is 0.
158 array = CFArrayCreate(kCFAllocatorDefault, 0, 0, 0);
159 const void *s1 = CFArrayGetValueAtIndex(array, 0); // expected-warning {{Index is out of bounds}}
162 void TestGetCount(CFArrayRef A, CFIndex sIndex) {
163 CFIndex sCount = CFArrayGetCount(A);
165 const void *s1 = CFArrayGetValueAtIndex(A, sIndex);
166 const void *s2 = CFArrayGetValueAtIndex(A, sCount);// expected-warning {{Index is out of bounds}}
170 void TestPointerToArray(int *elems, void *p1, void *p2, void *p3, unsigned count, void* fn[], char cp[]) {
171 void* x[] = { p1, p2, p3 };
172 CFArrayCreate(0, (const void **) &x, count, 0); // no warning
174 void* y[] = { p1, p2, p3 };
175 CFArrayCreate(0, (const void **) y, count, 0); // no warning
177 CFArrayCreate(0, (const void **) z, count, 0); // no warning
179 CFArrayCreate(0, (const void **) &fn, count, 0); // false negative
180 CFArrayCreate(0, (const void **) fn, count, 0); // no warning
181 CFArrayCreate(0, (const void **) cp, count, 0); // expected-warning {{The second argument to 'CFArrayCreate' must be a C array of pointer-sized}}
183 char cc[] = { 0, 2, 3 };
184 CFArrayCreate(0, (const void **) &cc, count, 0); // expected-warning {{The second argument to 'CFArrayCreate' must be a C array of pointer-sized}}
185 CFArrayCreate(0, (const void **) cc, count, 0); // expected-warning {{The second argument to 'CFArrayCreate' must be a C array of pointer-sized}}
188 void TestUndef(CFArrayRef A, CFIndex sIndex, void* x[]) {
190 const void *s1 = CFArrayGetValueAtIndex(A, undefVal);
193 CFArrayRef B = CFArrayCreate(0, (const void **) &x, undefVal2, 0);
194 const void *s2 = CFArrayGetValueAtIndex(B, 2);
197 void TestConst(CFArrayRef A, CFIndex sIndex, void* x[]) {
198 CFArrayRef B = CFArrayCreate(0, (const void **) &x, 4, 0);
199 const void *s1 = CFArrayGetValueAtIndex(B, 2);
203 void TestNullArray() {
204 CFArrayGetValueAtIndex(0, 0);
207 void ArrayRefMutableEscape(CFMutableArrayRef a);
208 void ArrayRefEscape(CFArrayRef a);
210 void TestCFMutableArrayRefEscapeViaMutableArgument(CFMutableArrayRef a) {
211 CFIndex aLen = CFArrayGetCount(a);
212 ArrayRefMutableEscape(a);
214 // ArrayRefMutableEscape could mutate a to make it have
215 // at least aLen + 1 elements, so do not report an error here.
216 CFArrayGetValueAtIndex(a, aLen);
219 void TestCFMutableArrayRefEscapeViaImmutableArgument(CFMutableArrayRef a) {
220 CFIndex aLen = CFArrayGetCount(a);
223 // ArrayRefEscape is declared to take a CFArrayRef (i.e, an immutable array)
224 // so we assume it does not change the length of a.
225 CFArrayGetValueAtIndex(a, aLen); // expected-warning {{Index is out of bounds}}