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/* { dg-do compile } */
/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
typedef uint8_t byte;
typedef uint32_t u32bit;
__extension__ typedef __SIZE_TYPE__ size_t;
extern "C" {
extern void __warn_memset_zero_len (void) __attribute__((__warning__ ("")));
extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__, __artificial__))
void * memset (void *__dest, int __ch, size_t __len) throw () {
if (__builtin_constant_p (__len) && __len == 0)
__warn_memset_zero_len (); /* { dg-warning "declared with attribute warning" } */
}
}
inline void clear_mem(void* ptr, u32bit n) {
memset(ptr, 0, n);
}
template<typename T> class MemoryRegion {
public:
u32bit size() const {
}
const T* begin() const {
}
void set(const T in[], u32bit n) {
create(n);
}
void set(const MemoryRegion<T>& in) {
set(in.begin(), in.size());
}
void clear() {
clear_mem(buf, allocated);
}
void create(u32bit);
MemoryRegion() {
used = allocated = 0;
}
mutable T* buf;
mutable u32bit used;
mutable u32bit allocated;
};
template<typename T> void MemoryRegion<T>::create(u32bit n) {
if(n <= allocated) {
clear();
}
}
template<typename T> class SecureVector : public MemoryRegion<T> {
public:
SecureVector<T>& operator=(const MemoryRegion<T>& in) {
if(this != &in) set(in);
}
};
class OctetString {
public:
SecureVector<byte> bits_of() const {
}
OctetString& operator^=(const OctetString&);
void change(const MemoryRegion<byte>& in) {
bits = in;
}
OctetString(const MemoryRegion<byte>& in) {
change(in);
}
SecureVector<byte> bits;
};
OctetString& OctetString::operator^=(const OctetString& k) {
if(&k == this) {
bits.clear();
}
}
bool __attribute__((flatten))
operator==(const OctetString& s1, const OctetString& s2) {
return (s1.bits_of() == s2.bits_of());
}
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