1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -analyzer-constraints=range -verify %s 2 3 // This test case was reported in <rdar:problem/6080742>. 4 // It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality). 5 6 int printf(const char *restrict,...); 7 typedef unsigned long UInt32; 8 typedef signed long SInt32; 9 typedef SInt32 OSStatus; 10 typedef unsigned char Boolean; 11 enum { noErr = 0}; 12 typedef const void *CFTypeRef; 13 typedef const struct __CFString *CFStringRef; 14 typedef const struct __CFAllocator *CFAllocatorRef; 15 extern void CFRelease(CFTypeRef cf); 16 typedef UInt32 CFStringEncoding; 17 enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, 18 kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, 19 kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, 20 kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF, 21 kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, 22 kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, 23 kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100}; 24 extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); 25 26 enum { memROZWarn = -99, memROZError = -99, memROZErr = -99, memFullErr = -108, 27 nilHandleErr = -109, memWZErr = -111, memPurErr = -112, memAdrErr = -110, 28 memAZErr = -113, memPCErr = -114, memBCErr = -115, memSCErr = -116, memLockedErr = -117}; 29 30 #define DEBUG1 31 32 void DebugStop(const char *format,...); 33 void DebugTraceIf(unsigned int condition, const char *format,...); 34 Boolean DebugDisplayOSStatusMsg(OSStatus status, const char *statusStr, const char *fileName, unsigned long lineNumber); 35 36 #define Assert(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } 37 #define AssertMsg(condition, message)if (!(condition)) { DebugStop("Assertion failure: %s (%s) [File: %s, Line: %lu]", #condition, message, __FILE__, __LINE__); } 38 #define Require(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } 39 #define RequireAction(condition, action)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); action } 40 #define RequireActionSilent(condition, action)if (!(condition)) { action } 41 #define AssertNoErr(err){ DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__); } 42 #define RequireNoErr(err, action){ if( DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__) ) { action }} 43 44 void DebugStop(const char *format,...); /* Not an abort function. */ 45 46 int main(int argc, char *argv[]) { 47 CFStringRef cfString; 48 OSStatus status = noErr; 49 cfString = CFStringCreateWithCString(0, "hello", kCFStringEncodingUTF8); 50 RequireAction(cfString != 0, return memFullErr;) //no - warning 51 printf("cfstring %p\n", cfString); 52 Exit: 53 CFRelease(cfString); 54 return 0; 55 } 56
