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backward	[ DIR ]	drwxr-xr-x
bits	[ DIR ]	drwxr-xr-x
debug	[ DIR ]	drwxr-xr-x
decimal	[ DIR ]	drwxr-xr-x
experimental	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
parallel	[ DIR ]	drwxr-xr-x
pstl	[ DIR ]	drwxr-xr-x
tr1	[ DIR ]	drwxr-xr-x
tr2	[ DIR ]	drwxr-xr-x
algorithm	2.97 KB	-rw-r--r--
any	18.32 KB	-rw-r--r--
array	13.5 KB	-rw-r--r--
atomic	47.66 KB	-rw-r--r--
barrier	7.84 KB	-rw-r--r--
bit	11.9 KB	-rw-r--r--
bitset	44.92 KB	-rw-r--r--
cassert	1.61 KB	-rw-r--r--
ccomplex	1.3 KB	-rw-r--r--
cctype	2.35 KB	-rw-r--r--
cerrno	1.73 KB	-rw-r--r--
cfenv	2 KB	-rw-r--r--
cfloat	1.84 KB	-rw-r--r--
charconv	19.3 KB	-rw-r--r--
chrono	94.93 KB	-rw-r--r--
cinttypes	2.11 KB	-rw-r--r--
ciso646	1.43 KB	-rw-r--r--
climits	1.87 KB	-rw-r--r--
clocale	1.86 KB	-rw-r--r--
cmath	48.22 KB	-rw-r--r--
codecvt	5.15 KB	-rw-r--r--
compare	27.61 KB	-rw-r--r--
complex	55.37 KB	-rw-r--r--
complex.h	1.56 KB	-rw-r--r--
concepts	11.94 KB	-rw-r--r--
condition_variable	12.48 KB	-rw-r--r--
coroutine	8.94 KB	-rw-r--r--
csetjmp	1.9 KB	-rw-r--r--
csignal	1.81 KB	-rw-r--r--
cstdalign	1.37 KB	-rw-r--r--
cstdarg	1.82 KB	-rw-r--r--
cstdbool	1.37 KB	-rw-r--r--
cstddef	6.53 KB	-rw-r--r--
cstdint	2.28 KB	-rw-r--r--
cstdio	4.33 KB	-rw-r--r--
cstdlib	6.18 KB	-rw-r--r--
cstring	3.08 KB	-rw-r--r--
ctgmath	1.33 KB	-rw-r--r--
ctime	2.24 KB	-rw-r--r--
cuchar	2.16 KB	-rw-r--r--
cwchar	6.39 KB	-rw-r--r--
cwctype	2.73 KB	-rw-r--r--
cxxabi.h	21.76 KB	-rw-r--r--
deque	3.88 KB	-rw-r--r--
exception	4.9 KB	-rw-r--r--
execution	1.76 KB	-rw-r--r--
fenv.h	1.97 KB	-rw-r--r--
filesystem	1.61 KB	-rw-r--r--
forward_list	2.63 KB	-rw-r--r--
fstream	39.73 KB	-rw-r--r--
functional	39.26 KB	-rw-r--r--
future	51.05 KB	-rw-r--r--
initializer_list	2.97 KB	-rw-r--r--
iomanip	16.16 KB	-rw-r--r--
ios	1.56 KB	-rw-r--r--
iosfwd	7.34 KB	-rw-r--r--
iostream	2.63 KB	-rw-r--r--
istream	33.3 KB	-rw-r--r--
iterator	2.69 KB	-rw-r--r--
latch	2.67 KB	-rw-r--r--
limits	69.99 KB	-rw-r--r--
list	3.57 KB	-rw-r--r--
locale	1.45 KB	-rw-r--r--
map	3.84 KB	-rw-r--r--
math.h	4.47 KB	-rw-r--r--
memory	4.41 KB	-rw-r--r--
memory_resource	20.62 KB	-rw-r--r--
mutex	23.66 KB	-rw-r--r--
new	8.15 KB	-rw-r--r--
numbers	6.1 KB	-rw-r--r--
numeric	25.5 KB	-rw-r--r--
optional	39.23 KB	-rw-r--r--
ostream	25.37 KB	-rw-r--r--
queue	2.41 KB	-rw-r--r--
random	1.65 KB	-rw-r--r--
ranges	104.69 KB	-rw-r--r--
ratio	19.64 KB	-rw-r--r--
regex	2.79 KB	-rw-r--r--
scoped_allocator	17.24 KB	-rw-r--r--
semaphore	2.93 KB	-rw-r--r--
set	3.71 KB	-rw-r--r--
shared_mutex	24.01 KB	-rw-r--r--
source_location	2.68 KB	-rw-r--r--
span	12.82 KB	-rw-r--r--
sstream	38.31 KB	-rw-r--r--
stack	2.33 KB	-rw-r--r--
stdexcept	9.65 KB	-rw-r--r--
stdlib.h	2.2 KB	-rw-r--r--
stop_token	15.61 KB	-rw-r--r--
streambuf	29.19 KB	-rw-r--r--
string	4.54 KB	-rw-r--r--
string_view	25.54 KB	-rw-r--r--
syncstream	8.13 KB	-rw-r--r--
system_error	14.65 KB	-rw-r--r--
tgmath.h	1.33 KB	-rw-r--r--
thread	5.78 KB	-rw-r--r--
tuple	61.3 KB	-rw-r--r--
type_traits	105.14 KB	-rw-r--r--
typeindex	3.43 KB	-rw-r--r--
typeinfo	7.56 KB	-rw-r--r--
unordered_map	3.39 KB	-rw-r--r--
unordered_set	3.26 KB	-rw-r--r--
utility	14.47 KB	-rw-r--r--
valarray	39.74 KB	-rw-r--r--
variant	61.39 KB	-rw-r--r--
vector	4.17 KB	-rw-r--r--
version	9.05 KB	-rw-r--r--

Code Editor : new

// The -*- C++ -*- dynamic memory management header.

// This file is part of GCC.
//
// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
// 
// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file new
 *  This is a Standard C++ Library header.
 *
 *  The header @c new defines several functions to manage dynamic memory and
 *  handling memory allocation errors; see
 *  https://gcc.gnu.org/onlinedocs/libstdc++/manual/dynamic_memory.html
 *  for more.
 */

#ifndef _NEW
#define _NEW

#pragma GCC system_header

#include <bits/c++config.h>
#include <bits/exception.h>

#pragma GCC visibility push(default)

extern "C++" {

namespace std 
{
  /**
   *  @brief  Exception possibly thrown by @c new.
   *  @ingroup exceptions
   *
   *  @c bad_alloc (or classes derived from it) is used to report allocation
   *  errors from the throwing forms of @c new.  */
  class bad_alloc : public exception
  {
  public:
    bad_alloc() throw() { }

#if __cplusplus >= 201103L
    bad_alloc(const bad_alloc&) = default;
    bad_alloc& operator=(const bad_alloc&) = default;
#endif

// This declaration is not useless:
    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
    virtual ~bad_alloc() throw();

// See comment in eh_exception.cc.
    virtual const char* what() const throw();
  };

#if __cplusplus >= 201103L
  class bad_array_new_length : public bad_alloc
  {
  public:
    bad_array_new_length() throw() { }

// This declaration is not useless:
    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
    virtual ~bad_array_new_length() throw();

// See comment in eh_exception.cc.
    virtual const char* what() const throw();
  };
#endif

#if __cpp_aligned_new
  enum class align_val_t: size_t {};
#endif

struct nothrow_t
  {
#if __cplusplus >= 201103L
    explicit nothrow_t() = default;
#endif
  };

extern const nothrow_t nothrow;

/** If you write your own error handler to be called by @c new, it must
   *  be of this type.  */
  typedef void (*new_handler)();

/// Takes a replacement handler as the argument, returns the
  /// previous handler.
  new_handler set_new_handler(new_handler) throw();

#if __cplusplus >= 201103L
  /// Return the current new handler.
  new_handler get_new_handler() noexcept;
#endif
} // namespace std

//@{
/** These are replaceable signatures:
 *  - normal single new and delete (no arguments, throw @c bad_alloc on error)
 *  - normal array new and delete (same)
 *  - @c nothrow single new and delete (take a @c nothrow argument, return
 *    @c NULL on error)
 *  - @c nothrow array new and delete (same)
 *
 *  Placement new and delete signatures (take a memory address argument,
 *  does nothing) may not be replaced by a user's program.
*/
_GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
  __attribute__((__externally_visible__));
_GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
  __attribute__((__externally_visible__));
void operator delete(void*) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
void operator delete[](void*) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
#if __cpp_sized_deallocation
void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
#endif
_GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
_GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
void operator delete(void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
void operator delete[](void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
  __attribute__((__externally_visible__));
#if __cpp_aligned_new
_GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t)
  __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
_GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
void operator delete(void*, std::align_val_t)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
void operator delete(void*, std::align_val_t, const std::nothrow_t&)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
_GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t)
  __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
_GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
void operator delete[](void*, std::align_val_t)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
void operator delete[](void*, std::align_val_t, const std::nothrow_t&)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
#if __cpp_sized_deallocation
void operator delete(void*, std::size_t, std::align_val_t)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
void operator delete[](void*, std::size_t, std::align_val_t)
  _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));
#endif // __cpp_sized_deallocation
#endif // __cpp_aligned_new

// Default placement versions of operator new.
_GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
{ return __p; }
_GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
{ return __p; }

// Default placement versions of operator delete.
inline void operator delete  (void*, void*) _GLIBCXX_USE_NOEXCEPT { }
inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { }
//@}
} // extern "C++"

#if __cplusplus >= 201703L
#ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER
namespace std
{
#define __cpp_lib_launder 201606
  /// Pointer optimization barrier [ptr.launder]
  template<typename _Tp>
    [[nodiscard]] constexpr _Tp*
    launder(_Tp* __p) noexcept
    { return __builtin_launder(__p); }

// The program is ill-formed if T is a function type or
  // (possibly cv-qualified) void.

template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM>
    void launder(_Ret (*)(_Args...) _GLIBCXX_NOEXCEPT_QUAL) = delete;
  template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM>
    void launder(_Ret (*)(_Args......) _GLIBCXX_NOEXCEPT_QUAL) = delete;

void launder(void*) = delete;
  void launder(const void*) = delete;
  void launder(volatile void*) = delete;
  void launder(const volatile void*) = delete;
}
#endif // _GLIBCXX_HAVE_BUILTIN_LAUNDER
#endif // C++17

#if __cplusplus > 201703L
namespace std
{
  /// Tag type used to declare a class-specific operator delete that can
  /// invoke the destructor before deallocating the memory.
  struct destroying_delete_t
  {
    explicit destroying_delete_t() = default;
  };
  /// Tag variable of type destroying_delete_t.
  inline constexpr destroying_delete_t destroying_delete{};
}
// Only define the feature test macro if the compiler supports the feature:
#if __cpp_impl_destroying_delete
# define __cpp_lib_destroying_delete 201806L
#endif
#endif // C++20

#pragma GCC visibility pop

#endif

${this.title}

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