// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify %s // RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify %s // Test if the 'storage' region gets properly initialized after it is cast to // 'struct sockaddr *'. typedef unsigned char __uint8_t; typedef unsigned int __uint32_t; typedef __uint32_t __darwin_socklen_t; typedef __uint8_t sa_family_t; typedef __darwin_socklen_t socklen_t; struct sockaddr { sa_family_t sa_family; }; struct sockaddr_storage {}; void getsockname(); void f(int sock) { struct sockaddr_storage storage; struct sockaddr* sockaddr = (struct sockaddr*)&storage; socklen_t addrlen = sizeof(storage); getsockname(sock, sockaddr, &addrlen); switch (sockaddr->sa_family) { // no-warning default: ; } } struct s { struct s *value; }; void f1(struct s **pval) { int *tbool = ((void*)0); struct s *t = *pval; pval = &(t->value); tbool = (int *)pval; // use the cast-to type 'int *' to create element region. char c = (unsigned char) *tbool; // Should use cast-to type to create symbol. if (*tbool == -1) // here load the element region with the correct type 'int' (void)3; } void f2(const char *str) { unsigned char ch, cl, *p; p = (unsigned char *)str; ch = *p++; // use cast-to type 'unsigned char' to create element region. cl = *p++; if(!cl) cl = 'a'; } // Test cast VariableSizeArray to pointer does not crash. void *memcpy(void *, void const *, unsigned long); typedef unsigned char Byte; void doit(char *data, int len) { if (len) { Byte buf[len]; memcpy(buf, data, len); } } // PR 6013 and 6035 - Test that a cast of a pointer to long and then to int does not crash SValuator. void pr6013_6035_test(void *p) { unsigned int foo; foo = ((long)(p)); (void) foo; }