1a154e082c
Summary: The basic constraint solver was dropped in rL162384, leaving the range constraint solver as the default and only constraint solver. Explicitly specifying it is unnecessary, and makes it difficult to test with other solver backends. Reviewers: zaks.anna, dcoughlin Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D26694 llvm-svn: 288372
48 lines
2.6 KiB
C
48 lines
2.6 KiB
C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.coreFoundation.CFNumber,osx.cocoa.RetainCount -analyzer-store=region -verify -triple x86_64-apple-darwin9 %s
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typedef signed long CFIndex;
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typedef const struct __CFAllocator * CFAllocatorRef;
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enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
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kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
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kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
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kCFNumberCharType = 7, kCFNumberShortType = 8,
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kCFNumberIntType = 9, kCFNumberLongType = 10,
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kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
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kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
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kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
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kCFNumberMaxType = 16 };
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typedef CFIndex CFNumberType;
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typedef const struct __CFNumber * CFNumberRef;
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typedef unsigned char Boolean;
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extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
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Boolean CFNumberGetValue(CFNumberRef number, CFNumberType theType, void *valuePtr);
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__attribute__((cf_returns_retained)) CFNumberRef f1(unsigned char x) {
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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}}
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}
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__attribute__((cf_returns_retained)) CFNumberRef f2(unsigned short x) {
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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 integer value will be lost}}
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}
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// test that the attribute overrides the naming convention.
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__attribute__((cf_returns_not_retained)) CFNumberRef CreateNum(unsigned char x) {
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return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{leak}}
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}
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__attribute__((cf_returns_retained)) CFNumberRef f3(unsigned i) {
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return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32-bit integer is used to initialize a CFNumber object that represents a 64-bit integer}}
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}
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unsigned char getValueTest1(CFNumberRef x) {
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unsigned char scalar = 0;
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CFNumberGetValue(x, kCFNumberSInt16Type, &scalar); // expected-warning{{A CFNumber object that represents a 16-bit integer is used to initialize an 8-bit integer; 8 bits of the CFNumber value will overwrite adjacent storage}}
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return scalar;
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}
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unsigned char getValueTest2(CFNumberRef x) {
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unsigned short scalar = 0;
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CFNumberGetValue(x, kCFNumberSInt8Type, &scalar); // expected-warning{{A CFNumber object that represents an 8-bit integer is used to initialize a 16-bit integer; 8 bits of the integer value will be garbage}}
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return scalar;
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}
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