| // RUN: %clang_cc1 -Wno-objc-literal-conversion -analyze -analyzer-checker=core,unix.Malloc,osx.cocoa.NonNilReturnValue,debug.ExprInspection -analyzer-store=region -verify %s |
| |
| void clang_analyzer_eval(int); |
| |
| typedef signed char BOOL; |
| typedef long NSInteger; |
| typedef unsigned long NSUInteger; |
| @interface NSString @end |
| @interface NSString (NSStringExtensionMethods) |
| + (id)stringWithUTF8String:(const char *)nullTerminatedCString; |
| @end |
| |
| @interface NSNumber |
| + (NSNumber *)numberWithChar:(char)value; |
| + (NSNumber *)numberWithUnsignedChar:(unsigned char)value; |
| + (NSNumber *)numberWithShort:(short)value; |
| + (NSNumber *)numberWithUnsignedShort:(unsigned short)value; |
| + (NSNumber *)numberWithInt:(int)value; |
| + (NSNumber *)numberWithUnsignedInt:(unsigned int)value; |
| + (NSNumber *)numberWithLong:(long)value; |
| + (NSNumber *)numberWithUnsignedLong:(unsigned long)value; |
| + (NSNumber *)numberWithLongLong:(long long)value; |
| + (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value; |
| + (NSNumber *)numberWithFloat:(float)value; |
| + (NSNumber *)numberWithDouble:(double)value; |
| + (NSNumber *)numberWithBool:(BOOL)value; |
| + (NSNumber *)numberWithInteger:(NSInteger)value ; |
| + (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value ; |
| @end |
| |
| |
| extern char *strdup(const char *str); |
| |
| id constant_string() { |
| return @("boxed constant string."); |
| } |
| |
| id dynamic_string() { |
| return @(strdup("boxed dynamic string")); // expected-warning{{Potential memory leak}} |
| } |
| |
| id const_char_pointer(int *x) { |
| if (x) |
| return @(3); |
| return @(*x); // expected-warning {{Dereference of null pointer (loaded from variable 'x')}} |
| } |
| |
| void checkNonNil() { |
| clang_analyzer_eval(!!@3); // expected-warning{{TRUE}} |
| clang_analyzer_eval(!!@(3+4)); // expected-warning{{TRUE}} |
| clang_analyzer_eval(!!@(57.0)); // expected-warning{{TRUE}} |
| |
| const char *str = "abc"; |
| clang_analyzer_eval(!!@(str)); // expected-warning{{TRUE}} |
| clang_analyzer_eval(!!@__objc_yes); // expected-warning{{TRUE}} |
| } |
| |