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-rw-r--r--test/Analysis/casts.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Analysis/casts.c b/test/Analysis/casts.c
new file mode 100644
index 0000000..94a1eac
--- /dev/null
+++ b/test/Analysis/casts.c
@@ -0,0 +1,16 @@
+// 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:
+ ;
+ }
+}
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