1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -analyzer-constraints=range -verify %s 2 // expected-no-diagnostics 3 4 // This test case was reported in <rdar:problem/6080742>. 5 // It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality). 6 7 int printf(const char *restrict,...); 8 typedef unsigned long UInt32; 9 typedef signed long SInt32; 10 typedef SInt32 OSStatus; 11 typedef unsigned char Boolean; 12 enum { noErr = 0}; 13 typedef const void *CFTypeRef; 14 typedef const struct __CFString *CFStringRef; 15 typedef const struct __CFAllocator *CFAllocatorRef; 16 extern void CFRelease(CFTypeRef cf); 17 typedef UInt32 CFStringEncoding; 18 enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, 19 kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, 20 kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, 21 kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF, 22 kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, 23 kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, 24 kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100}; 25 extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); 26 27 enum { memROZWarn = -99, memROZError = -99, memROZErr = -99, memFullErr = -108, 28 nilHandleErr = -109, memWZErr = -111, memPurErr = -112, memAdrErr = -110, 29 memAZErr = -113, memPCErr = -114, memBCErr = -115, memSCErr = -116, memLockedErr = -117}; 30 31 #define DEBUG1 32 33 void DebugStop(const char *format,...); 34 void DebugTraceIf(unsigned int condition, const char *format,...); 35 Boolean DebugDisplayOSStatusMsg(OSStatus status, const char *statusStr, const char *fileName, unsigned long lineNumber); 36 37 #define Assert(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } 38 #define AssertMsg(condition, message)if (!(condition)) { DebugStop("Assertion failure: %s (%s) [File: %s, Line: %lu]", #condition, message, __FILE__, __LINE__); } 39 #define Require(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); } 40 #define RequireAction(condition, action)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); action } 41 #define RequireActionSilent(condition, action)if (!(condition)) { action } 42 #define AssertNoErr(err){ DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__); } 43 #define RequireNoErr(err, action){ if( DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__) ) { action }} 44 45 void DebugStop(const char *format,...); /* Not an abort function. */ 46 47 int main(int argc, char *argv[]) { 48 CFStringRef cfString; 49 OSStatus status = noErr; 50 cfString = CFStringCreateWithCString(0, "hello", kCFStringEncodingUTF8); 51 RequireAction(cfString != 0, return memFullErr;) //no - warning 52 printf("cfstring %p\n", cfString); 53 Exit: 54 CFRelease(cfString); 55 return 0; 56 } 57