1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc -analyzer-store=region -verify %s 2 3 typedef signed char BOOL; 4 typedef long NSInteger; 5 typedef unsigned long NSUInteger; 6 @interface NSString @end 7 @interface NSString (NSStringExtensionMethods) 8 + (id)stringWithUTF8String:(const char *)nullTerminatedCString; 9 @end 10 11 @interface NSNumber 12 + (NSNumber *)numberWithChar:(char)value; 13 + (NSNumber *)numberWithUnsignedChar:(unsigned char)value; 14 + (NSNumber *)numberWithShort:(short)value; 15 + (NSNumber *)numberWithUnsignedShort:(unsigned short)value; 16 + (NSNumber *)numberWithInt:(int)value; 17 + (NSNumber *)numberWithUnsignedInt:(unsigned int)value; 18 + (NSNumber *)numberWithLong:(long)value; 19 + (NSNumber *)numberWithUnsignedLong:(unsigned long)value; 20 + (NSNumber *)numberWithLongLong:(long long)value; 21 + (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value; 22 + (NSNumber *)numberWithFloat:(float)value; 23 + (NSNumber *)numberWithDouble:(double)value; 24 + (NSNumber *)numberWithBool:(BOOL)value; 25 + (NSNumber *)numberWithInteger:(NSInteger)value ; 26 + (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value ; 27 @end 28 29 30 extern char *strdup(const char *str); 31 32 id constant_string() { 33 return @("boxed constant string."); 34 } 35 36 id dynamic_string() { 37 return @(strdup("boxed dynamic string")); // expected-warning{{Potential memory leak}} 38 } 39 40 id const_char_pointer(int *x) { 41 if (x) 42 return @(3); 43 return @(*x); // expected-warning {{Dereference of null pointer (loaded from variable 'x')}} 44 }