30 lines
746 B
C
30 lines
746 B
C
// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region --verify %s
|
|
|
|
// Test if the 'storage' region gets properly initialized after it is cast to
|
|
// 'struct sockaddr *'.
|
|
|
|
#include <sys/socket.h>
|
|
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;
|
|
};
|
|
|
|
int f1(struct s **pval) {
|
|
int *tbool = ((void*)0);
|
|
struct s *t = *pval;
|
|
pval = &(t->value);
|
|
tbool = (int *)pval; // Should record the cast-to type here.
|
|
char c = (unsigned char) *tbool; // Should use cast-to type to create symbol.
|
|
}
|
|
|