casts.c revision b1080ed5016db4466fbe69d771c05672de39ec3e 
1// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region --verify %s
2
3// Test if the 'storage' region gets properly initialized after it is cast to
4// 'struct sockaddr *'.
5
6#include <sys/socket.h>
7void f(int sock) {
8  struct sockaddr_storage storage;
9  struct sockaddr* sockaddr = (struct sockaddr*)&storage;
10  socklen_t addrlen = sizeof(storage);
11  getsockname(sock, sockaddr, &addrlen);
12  switch (sockaddr->sa_family) { // no-warning
13  default:
14    ;
15  }
16}
17