| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -analyzer-store=region -verify %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | // This test case was reported in <rdar:problem/6080742>. |
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| 5 | // It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality). |
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| 6 | |
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| 7 | int printf(const char *restrict,...); |
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| 8 | typedef unsigned long UInt32; |
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| 9 | typedef signed long SInt32; |
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| 10 | typedef SInt32 OSStatus; |
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| 11 | typedef unsigned char Boolean; |
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| 12 | enum { noErr = 0}; |
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| 13 | typedef const void *CFTypeRef; |
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| 14 | typedef const struct __CFString *CFStringRef; |
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| 15 | typedef const struct __CFAllocator *CFAllocatorRef; |
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| 16 | extern void CFRelease(CFTypeRef cf); |
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| 17 | typedef UInt32 CFStringEncoding; |
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| 18 | enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, |
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| 19 | kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, |
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| 20 | kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, |
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| 21 | kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF, |
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| 22 | kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, |
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| 23 | kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, |
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| 24 | kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100}; |
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| 25 | extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); |
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| 26 | |
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| 27 | enum { memROZWarn = -99, memROZError = -99, memROZErr = -99, memFullErr = -108, |
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| 28 | nilHandleErr = -109, memWZErr = -111, memPurErr = -112, memAdrErr = -110, |
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| 29 | memAZErr = -113, memPCErr = -114, memBCErr = -115, memSCErr = -116, memLockedErr = -117}; |
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| 30 | |
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| 31 | #define DEBUG1 |
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| 32 | |
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| 33 | void DebugStop(const char *format,...); |
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| 34 | void DebugTraceIf(unsigned int condition, const char *format,...); |
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| 35 | Boolean DebugDisplayOSStatusMsg(OSStatus status, const char *statusStr, const char *fileName, unsigned long lineNumber); |
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| 36 | |
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| 37 | #define Assert(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } |
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| 38 | #define AssertMsg(condition, message)if (!(condition)) { DebugStop("Assertion failure: %s (%s) [File: %s, Line: %lu]", #condition, message, __FILE__, __LINE__); } |
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| 39 | #define Require(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } |
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| 40 | #define RequireAction(condition, action)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); action } |
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| 41 | #define RequireActionSilent(condition, action)if (!(condition)) { action } |
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| 42 | #define AssertNoErr(err){ DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__); } |
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| 43 | #define RequireNoErr(err, action){ if( DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__) ) { action }} |
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| 44 | |
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| 45 | void DebugStop(const char *format,...); /* Not an abort function. */ |
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| 46 | |
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| 47 | int main(int argc, char *argv[]) { |
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| 48 | CFStringRef cfString; |
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| 49 | OSStatus status = noErr; |
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| 50 | cfString = CFStringCreateWithCString(0, "hello", kCFStringEncodingUTF8); |
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| 51 | RequireAction(cfString != 0, return memFullErr;) //no - warning |
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| 52 | printf("cfstring %p\n", cfString); |
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| 53 | Exit: |
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| 54 | CFRelease(cfString); |
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| 55 | return 0; |
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| 56 | } |
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| 57 | |
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