/usr/lib/erlang/erts-8.2.1/include/erl_fixed_size_int_types.h is in erlang-dev 1:19.2.1+dfsg-2+deb9u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
/*
* Description:
*
* Author: Rickard Green
*/
#ifndef FIXED_SIZE_INT_TYPES_H__
#define FIXED_SIZE_INT_TYPES_H__
#ifdef SIZEOF_CHAR
# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR
# undef SIZEOF_CHAR
#endif
#ifdef SIZEOF_SHORT
# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT
# undef SIZEOF_SHORT
#endif
#ifdef SIZEOF_INT
# define SIZEOF_INT_SAVED__ SIZEOF_INT
# undef SIZEOF_INT
#endif
#ifdef SIZEOF_LONG
# define SIZEOF_LONG_SAVED__ SIZEOF_LONG
# undef SIZEOF_LONG
#endif
#ifdef SIZEOF_LONG_LONG
# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG
# undef SIZEOF_LONG_LONG
#endif
#include "erl_int_sizes_config.h"
#ifdef SIZEOF_CHAR_SAVED__
# if SIZEOF_CHAR != SIZEOF_CHAR_SAVED__
# error char type size mismatch
# endif
# undef SIZEOF_CHAR_SAVED__
#endif
#ifdef SIZEOF_SHORT_SAVED__
# if SIZEOF_SHORT != SIZEOF_SHORT_SAVED__
# error short type size mismatch
# endif
# undef SIZEOF_SHORT_SAVED__
#endif
#ifdef SIZEOF_INT_SAVED__
# if SIZEOF_INT != SIZEOF_INT_SAVED__
# error int type size mismatch
# endif
# undef SIZEOF_INT_SAVED__
#endif
#ifdef SIZEOF_LONG_SAVED__
# if SIZEOF_LONG != SIZEOF_LONG_SAVED__
# error long type size mismatch
# endif
# undef SIZEOF_LONG_SAVED__
#endif
#ifdef SIZEOF_LONG_LONG_SAVED__
# if SIZEOF_LONG_LONG != SIZEOF_LONG_LONG_SAVED__
# error long long type size mismatch
# endif
# undef SIZEOF_LONG_LONG_SAVED__
#endif
#if SIZEOF_LONG == 8
#define HAVE_INT_64 1
typedef unsigned long usgnd_int_64;
typedef signed long sgnd_int_64;
#define USGND_INT_64_FSTR "lu"
#define SGND_INT_64_FSTR "ld"
#elif SIZEOF_LONG_LONG == 8
#define HAVE_INT_64 1
typedef unsigned long long usgnd_int_64;
typedef signed long long sgnd_int_64;
#define USGND_INT_64_FSTR "llu"
#define SGND_INT_64_FSTR "lld"
#else
#define HAVE_INT_64 0
#endif
#if SIZEOF_LONG == 4
typedef unsigned long usgnd_int_32;
typedef signed long sgnd_int_32;
#define USGND_INT_32_FSTR "lu"
#define SGND_INT_32_FSTR "ld"
#elif SIZEOF_INT == 4
typedef unsigned int usgnd_int_32;
typedef signed int sgnd_int_32;
#define USGND_INT_32_FSTR "u"
#define SGND_INT_32_FSTR "d"
#else
#error Found no appropriate type to use for 'usgnd_int_32' and 'sgnd_int_32'
#endif
#if SIZEOF_INT == 2
typedef unsigned int usgnd_int_16;
typedef signed int sgnd_int_16;
#define USGND_INT_16_FSTR "u"
#define SI_16_FSTR "d"
#elif SIZEOF_SHORT == 2
typedef unsigned short usgnd_int_16;
typedef signed short sgnd_int_16;
#define USGND_INT_16_FSTR "u"
#define SGND_INT_16_FSTR "d"
#else
#error Found no appropriate type to use for 'usgnd_int_16' and 'sgnd_int_16'
#endif
#if SIZEOF_CHAR == 1
typedef unsigned char usgnd_int_8;
typedef signed char sgnd_int_8;
#define USGND_INT_8_FSTR "u"
#define SGND_INT_8_FSTR "d"
#else
/* This should *never* happen! */
#error Found no appropriate type to use for 'usgnd_int_8' and 'sgnd_int_8'
#endif
#if HAVE_INT_64
typedef usgnd_int_64 usgnd_int_max;
typedef sgnd_int_64 sgnd_int_max;
#define USGND_INT_MAX_FSTR USGND_INT_64_FSTR
#define SGND_INT_MAX_FSTR SGND_INT_64_FSTR
#else
typedef usgnd_int_32 usgnd_int_max;
typedef sgnd_int_32 sgnd_int_max;
#define USGND_INT_MAX_FSTR USGND_INT_32_FSTR
#define SGND_INT_MAX_FSTR SGND_INT_32_FSTR
#endif
#endif /* #ifndef FIXED_SIZE_INT_TYPES_H__ */
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