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// -*- C++ -*- header wrapper
// Copyright (C) 1997-1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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 2, or (at your option)
// any later version.
// This library 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 20.4.6 C library
//
// Function decls in this header are overloaded on the
// extern "C"-ness of arguments. This is a rich ground
// for compiler bugs.
#ifndef _CPP_CSTDLIB
#define _CPP_CSTDLIB 1
# include <bits/std_cstddef.h> /* pick up NULL, size_t */
namespace _C_Swamp {
extern "C" {
# define _IN_C_SWAMP_
# pragma system_header
# include_next <stdlib.h>
typedef int (*_C_cmp_fun_ptr)(const void*, const void*); // C fn ptr
}
const int _CPP_EXIT_SUCCESS_capture = int(EXIT_SUCCESS);
const int _CPP_EXIT_FAILURE_capture = int(EXIT_FAILURE);
const int _CPP_RAND_MAX_capture = int(RAND_MAX);
inline int _CPP_MB_CUR_MAX_capture() { return int(MB_CUR_MAX); }
// typedef size_t _CPP_size_t_capture;
// typedef wchar_t _CPP_wchar_t_capture;
typedef div_t _CPP_div_t_capture;
typedef ldiv_t _CPP_ldiv_t_capture;
namespace _C_Shadow {
}
} // close namespace ::_C_Swamp::
# undef size_t
# undef wchar_t
# undef div_t
# undef ldiv_t
// <cstddef>
// # undef NULL
// # define NULL 0
# undef EXIT_SUCCESS
# define EXIT_SUCCESS (::_C_Swamp::_CPP_EXIT_SUCCESS_capture)
# undef EXIT_FAILURE
# define EXIT_FAILURE (::_C_Swamp::_CPP_EXIT_FAILURE_capture)
# undef RAND_MAX
# define RAND_MAX (::_C_Swamp::_CPP_RAND_MAX_capture)
# undef MB_CUR_MAX
# define MB_CUR_MAX (::_C_Swamp::_CPP_MB_CUR_MAX_capture())
# undef atof
# undef atoi
# undef atol
# undef strtod
# undef strtol
# undef strtoul
# undef rand
# undef srand
# undef calloc
# undef free
# undef malloc
# undef realloc
# undef abort
# undef atexit
# undef exit
# undef getenv
# undef system
# undef bsearch
# undef qsort
# undef abs
# undef div
# undef labs
# undef ldiv
# undef mblen
# undef mbtowc
# undef wctomb
# undef mbstowcs
# undef wcstombs
namespace _C_Swamp {
namespace _C_Shadow {
// these come from <cstddef>
// typedef ::_C_Swamp::_CPP_size_t_capture size_t;
// typedef ::_C_Swamp::_CPP_wchar_t_capture wchar_t;
}
}
namespace std {
// Adopt C names into std::
// using ::_C_Swamp::_C_Shadow::size_t;
// using ::_C_Swamp::_C_Shadow::wchar_t;
typedef ::_C_Swamp::_CPP_div_t_capture _CPP_div_t;
struct div_t : _CPP_div_t {};
typedef ::_C_Swamp::_CPP_ldiv_t_capture _CPP_ldiv_t;
struct ldiv_t : _CPP_ldiv_t {};
// note: div_t and ldiv_t are still POD types
// EXIT_SUCCESS, EXIT_FAILURE, RAND_MAX, MB_CUR_MAX, NULL
using ::_C_Swamp::atof;
using ::_C_Swamp::atoi;
using ::_C_Swamp::atol;
using ::_C_Swamp::strtod;
using ::_C_Swamp::strtol;
using ::_C_Swamp::strtoul;
using ::_C_Swamp::rand;
using ::_C_Swamp::srand;
using ::_C_Swamp::calloc;
using ::_C_Swamp::free;
using ::_C_Swamp::malloc;
using ::_C_Swamp::realloc;
void abort(); // XXX must define this correctly for C++.
#define _FUN_OVERLOAD_BUG
// extern "C" funs declared void f(int (*)()) overload OK with C++ funs,
// but not if declared void f(int (*)(void)).
#if !defined(__GNUC__) || !defined(_FUN_OVERLOAD_BUG)
using ::_C_Swamp::atexit; // XXX must redefine this one!
#endif
int atexit(void (*)()); // XXX must define this.
// More precisely, we need an extern "C" atexit() that
// implements the correct semantics, but hides the link-name
// atexit found in the C library, and a C++ atexit too. If
// C and C++ calling conventions differ, each pointer must
// be marked to be called using the proper convention.
void exit(int __i) // XXX must define correctly for C++, like atexit().
{ ::_C_Swamp::exit(__i); }
using ::_C_Swamp::getenv;
using ::_C_Swamp::system;
// XXX note that the raw conversion between C and C++ function
// pointers may not be portable to some targets; those targets need
// a forwarding function.
#if !defined(__GNUC__) || !defined(_FUN_OVERLOAD_BUG)
using ::_C_Swamp::bsearch; // overload
#endif
inline void* bsearch(const void* __key, const void* __base, size_t __n,
size_t __size, int (*__cmp)(const void*, const void*))
{ return ::_C_Swamp::bsearch(__key,__base,__n,__size,
reinterpret_cast< ::_C_Swamp::_C_cmp_fun_ptr>(__cmp)); } // XXX
#if !defined(__GNUC__) || !defined(_FUN_OVERLOAD_BUG)
using ::_C_Swamp::qsort; // overload
#endif
inline void qsort(void* __base, size_t __n, size_t __size,
int (*__cmp)(const void*, const void*))
{ return ::_C_Swamp::qsort(__base,__n,__size,
reinterpret_cast< ::_C_Swamp::_C_cmp_fun_ptr>(__cmp)); } // XXX
inline int abs(int __x)
{ return __x >= 0 ? __x : -__x; }
inline div_t div(int __n, int __d)
{ _div_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
inline long labs(long __x)
{ return __x >= 0 ? __x : -__x; }
inline ldiv_t ldiv(long __num, long __den)
{ _ldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
using ::_C_Swamp::mblen;
using ::_C_Swamp::mbtowc;;
using ::_C_Swamp::wctomb;
using ::_C_Swamp::mbstowcs;
using ::_C_Swamp::wcstombs;
} // close namespace std::
namespace _C_Swamp {
namespace _C_Shadow {
using ::std::div_t;
using ::std::ldiv_t;
using ::std::abort;
using ::std::atexit;
using ::std::exit;
using ::std::bsearch;
using ::std::qsort;
using ::std::abs;
using ::std::div;
using ::std::labs;
using ::std::ldiv;
}
}
# undef _IN_C_SWAMP_
#endif
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