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#ifndef RBIMPL_ARITHMETIC_INTPTR_T_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ARITHMETIC_INTPTR_T_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief Arithmetic conversion between C's `intptr_t` and Ruby's.
*/
#include "ruby/internal/config.h"
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include "ruby/internal/value.h"
#include "ruby/internal/dllexport.h"
#define rb_int_new rb_int2inum /**< @alias{rb_int2inum} */
#define rb_uint_new rb_uint2inum /**< @alias{rb_uint2inum} */
// These definitions are same as fiddle/conversions.h
#if SIZEOF_VOIDP <= SIZEOF_LONG
# define PTR2NUM(x) (LONG2NUM((long)(x)))
# define NUM2PTR(x) ((void*)(NUM2ULONG(x)))
#elif SIZEOF_VOIDP <= SIZEOF_LONG_LONG
# define PTR2NUM(x) (LL2NUM((LONG_LONG)(x)))
# define NUM2PTR(x) ((void*)(NUM2ULL(x)))
#else
// should have been an error in ruby/internal/value.h
# error Need integer for VALUE
#endif
RBIMPL_SYMBOL_EXPORT_BEGIN()
/**
* Converts a C's `intptr_t` into an instance of ::rb_cInteger.
*
* @param[in] i Arbitrary `intptr_t` value.
* @return An instance of ::rb_cInteger.
* @note This function always allocates Bignums, even if the given number
* is small enough to fit into a Fixnum.
*/
VALUE rb_int2big(intptr_t i);
/**
* Converts a C's `intptr_t` into an instance of ::rb_cInteger.
*
* @param[in] i Arbitrary `intptr_t` value.
* @return An instance of ::rb_cInteger.
*/
VALUE rb_int2inum(intptr_t i);
/**
* Converts a C's `intptr_t` into an instance of ::rb_cInteger.
*
* @param[in] i Arbitrary `intptr_t` value.
* @return An instance of ::rb_cInteger.
* @note This function always allocates Bignums, even if the given number
* is small enough to fit into a Fixnum.
*/
VALUE rb_uint2big(uintptr_t i);
/**
* Converts a C's `uintptr_t` into an instance of ::rb_cInteger.
*
* @param[in] i Arbitrary `uintptr_t` value.
* @return An instance of ::rb_cInteger.
*/
VALUE rb_uint2inum(uintptr_t i);
RBIMPL_SYMBOL_EXPORT_END()
#endif /* RBIMPL_ARITHMETIC_INTPTR_T_H */
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