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// { dg-do compile }
// { dg-additional-options "-Wno-return-type" }
typedef long unsigned int size_t;
namespace std {
}
namespace std __attribute__ ((__visibility__ ("default"))) {
template<class _Sp, class _Tp> struct __traitor {
enum {
__value = bool(_Sp::__value) || bool(_Tp::__value) };
};
template<typename _Tp> struct __is_integer {
enum {
__value = 0 };
};
template<typename _Tp> struct __is_floating {
enum {
__value = 0 };
};
template<typename _Tp> struct __is_pointer {
enum {
__value = 0 };
};
template<typename _Tp> struct __is_normal_iterator {
enum {
__value = 0 };
};
template<typename _Tp> struct __is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
};
template<typename _Tp> struct __is_scalar : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > {
};
}
namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
template<bool, typename> struct __enable_if {
};
template<typename _Tp> struct __enable_if<true, _Tp> {
typedef _Tp __type;
};
}
namespace std __attribute__ ((__visibility__ ("default"))) {
template<typename _Iterator> struct iterator_traits {
};
template<typename _Tp> struct iterator_traits<_Tp*> {
typedef _Tp value_type;
};
template<typename _Iterator, bool _HasBase> struct _Iter_base {
typedef _Iterator iterator_type;
};
}
namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
}
namespace std __attribute__ ((__visibility__ ("default"))) {
template<typename _Iterator> struct _Niter_base : _Iter_base<_Iterator, __is_normal_iterator<_Iterator>::__value> {
};
template<typename _Iterator> inline typename _Niter_base<_Iterator>::iterator_type __niter_base(_Iterator __it) {
}
template<typename _OutputIterator, typename _Size, typename _Tp> inline typename __gnu_cxx::__enable_if<!__is_scalar<_Tp>::__value, _OutputIterator>::__type __fill_n_a(_OutputIterator __first, _Size __n, const _Tp& __value) {
for (__decltype(__n + 0) __niter = __n;
__niter > 0;
--__niter, ++__first) *__first = __value;
}
template<typename _OI, typename _Size, typename _Tp> inline _OI fill_n(_OI __first, _Size __n, const _Tp& __value) {
return _OI(std::__fill_n_a(std::__niter_base(__first), __n, __value));
}
}
namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
template<typename _Tp> class new_allocator {
public:
typedef size_t size_type;
typedef _Tp* pointer;
~new_allocator() throw() {
}
pointer allocate(size_type __n, const void* = 0) {
return static_cast<_Tp*>(::operator new(__n * sizeof(_Tp)));
}
};
}
namespace std __attribute__ ((__visibility__ ("default"))) {
template<typename _Tp> class allocator: public __gnu_cxx::new_allocator<_Tp> {
public:
template<typename _Tp1> struct rebind {
typedef allocator<_Tp1> other;
};
};
}
namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
template<typename _Alloc> struct __alloc_traits {
typedef typename _Alloc::pointer pointer;
template<typename _Tp> struct rebind {
typedef typename _Alloc::template rebind<_Tp>::other other;
};
};
}
class QString {
public:
bool isEmpty() const;
};
class QObject {
};
namespace std __attribute__ ((__visibility__ ("default"))) {
template<bool _TrivialValueType> struct __uninitialized_fill_n {
template<typename _ForwardIterator, typename _Size, typename _Tp> static void __uninit_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x) {
std::fill_n(__first, __n, __x);
}
};
template<typename _ForwardIterator, typename _Size, typename _Tp> inline void uninitialized_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x) {
typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType;
std::__uninitialized_fill_n<__is_trivial(_ValueType)>:: __uninit_fill_n(__first, __n, __x);
}
template<typename _ForwardIterator, typename _Size, typename _Tp, typename _Tp2> inline void __uninitialized_fill_n_a(_ForwardIterator __first, _Size __n, const _Tp& __x, allocator<_Tp2>&) {
std::uninitialized_fill_n(__first, __n, __x);
}
template<typename _Tp, typename _Alloc> struct _Vector_base {
typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template rebind<_Tp>::other _Tp_alloc_type;
typedef typename __gnu_cxx::__alloc_traits<_Tp_alloc_type>::pointer pointer;
struct _Vector_impl : public _Tp_alloc_type {
pointer _M_start;
pointer _M_finish;
pointer _M_end_of_storage;
_Vector_impl(_Tp_alloc_type const& __a) : _Tp_alloc_type(__a), _M_start(0), _M_finish(0), _M_end_of_storage(0) {
}
};
typedef _Alloc allocator_type;
_Tp_alloc_type& _M_get_Tp_allocator() {
}
_Vector_base(size_t __n, const allocator_type& __a) : _M_impl(__a) {
_M_create_storage(__n);
}
_Vector_impl _M_impl;
pointer _M_allocate(size_t __n) {
return __n != 0 ? _M_impl.allocate(__n) : 0;
}
void _M_create_storage(size_t __n) {
this->_M_impl._M_start = this->_M_allocate(__n);
this->_M_impl._M_finish = this->_M_impl._M_start;
}
};
template<typename _Tp, typename _Alloc = std::allocator<_Tp> > class vector : protected _Vector_base<_Tp, _Alloc> {
typedef _Vector_base<_Tp, _Alloc> _Base;
typedef _Tp value_type;
typedef size_t size_type;
typedef _Alloc allocator_type;
using _Base::_M_get_Tp_allocator;
public:
explicit vector(size_type __n, const value_type& __value = value_type(), const allocator_type& __a = allocator_type()) : _Base(__n, __a) {
_M_fill_initialize(__n, __value);
}
void _M_fill_initialize(size_type __n, const value_type& __value) {
std::__uninitialized_fill_n_a(this->_M_impl._M_start, __n, __value, _M_get_Tp_allocator());
}
};
};
class QPaintDevice {
public:
int width() const {
}
int height() const {
}
};
class QImage : public QPaintDevice {
};
extern "C" {
struct __jmp_buf_tag {
};
typedef struct __jmp_buf_tag jmp_buf[1];
extern int _setjmp (struct __jmp_buf_tag __env[1]) throw ();
extern void longjmp (struct __jmp_buf_tag __env[1], int __val) throw () __attribute__ ((__noreturn__));
}
typedef unsigned int png_uint_32;
typedef void * png_voidp;
typedef const char * png_const_charp;
extern "C" {
typedef struct png_struct_def png_struct;
typedef png_struct * png_structp;
typedef void ( *png_error_ptr) (png_structp, png_const_charp);
typedef void ( *png_longjmp_ptr) (jmp_buf, int);
extern __attribute__((__malloc__)) png_structp ( png_create_write_struct) (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn) ;
extern jmp_buf* ( png_set_longjmp_fn) (png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t jmp_buf_size) ;
}
class PngWriter : public QObject {
const QImage *m_out_qimage;
QString m_fname;
bool writeQImageToPng();
};
bool PngWriter::writeQImageToPng() {
png_uint_32 width = m_out_qimage->width();
png_uint_32 height = m_out_qimage->height();
if ( !m_fname.isEmpty() ) {
std::vector<char> t(width * height * 4 + (width * height * 4) * 0.1);
}
png_structp png_ptr = png_create_write_struct ("1.5.13", __null, __null, __null);
if (_setjmp ((*png_set_longjmp_fn((png_ptr), longjmp, sizeof (jmp_buf))))) {
}
}
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