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
7int printf(const char *restrict,...);
8typedef unsigned long UInt32;
9typedef signed long SInt32;
10typedef SInt32  OSStatus;
11typedef unsigned char Boolean;
12enum { noErr = 0};
13typedef const void *CFTypeRef;
14typedef const struct __CFString *CFStringRef;
15typedef const struct __CFAllocator *CFAllocatorRef;
16extern void     CFRelease(CFTypeRef cf);
17typedef UInt32  CFStringEncoding;
18enum { 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};
25extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
26
27enum { 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
33void            DebugStop(const char *format,...);
34void            DebugTraceIf(unsigned int condition, const char *format,...);
35Boolean         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
45void DebugStop(const char *format,...); /* Not an abort function. */
46
47int 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