cfref_rdar6080742.c revision cdc3a89d5de90b2299c56f4a46c3de590c5184d1 
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
6int printf(const char *restrict,...);
7typedef unsigned long UInt32;
8typedef signed long SInt32;
9typedef SInt32  OSStatus;
10typedef unsigned char Boolean;
11enum { noErr = 0};
12typedef const void *CFTypeRef;
13typedef const struct __CFString *CFStringRef;
14typedef const struct __CFAllocator *CFAllocatorRef;
15extern void     CFRelease(CFTypeRef cf);
16typedef UInt32  CFStringEncoding;
17enum { 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};
24extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
25
26enum { 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
32void            DebugStop(const char *format,...);
33void            DebugTraceIf(unsigned int condition, const char *format,...);
34Boolean         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
44void DebugStop(const char *format,...); /* Not an abort function. */
45
46int 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