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/* types.h - some common typedefs
* Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser general Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef GCRYPT_TYPES_H
#define GCRYPT_TYPES_H
#ifndef _GCRYPT_CONFIG_H_INCLUDED
# error config.h must be included before types.h
#endif
/* The AC_CHECK_SIZEOF() in configure fails for some machines.
* we provide some fallback values here */
#if !SIZEOF_UNSIGNED_SHORT
# undef SIZEOF_UNSIGNED_SHORT
# define SIZEOF_UNSIGNED_SHORT 2
#endif
#if !SIZEOF_UNSIGNED_INT
# undef SIZEOF_UNSIGNED_INT
# define SIZEOF_UNSIGNED_INT 4
#endif
#if !SIZEOF_UNSIGNED_LONG
# undef SIZEOF_UNSIGNED_LONG
# define SIZEOF_UNSIGNED_LONG 4
#endif
#include <sys/types.h>
/* Provide uintptr_t */
#ifdef HAVE_STDINT_H
# include <stdint.h> /* uintptr_t */
#elif defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#else
/* In this case, uintptr_t is provided by config.h. */
#endif
#ifndef HAVE_BYTE
# undef byte /* In case there is a macro with that name. */
# if !(defined(_WIN32) && defined(cbNDRContext))
/* Windows typedefs byte in the rpc headers. Avoid warning about
double definition. */
typedef unsigned char byte;
# endif
# define HAVE_BYTE
#endif
#ifndef HAVE_USHORT
# undef ushort /* In case there is a macro with that name. */
typedef unsigned short ushort;
# define HAVE_USHORT
#endif
#ifndef HAVE_U16
# undef u16 /* In case there is a macro with that name. */
# if SIZEOF_UNSIGNED_INT == 2
typedef unsigned int u16;
# elif SIZEOF_UNSIGNED_SHORT == 2
typedef unsigned short u16;
# else
# error no typedef for u16
# endif
# define HAVE_U16
#endif
#ifndef HAVE_U32
# undef u32 /* In case there is a macro with that name. */
# if SIZEOF_UNSIGNED_INT == 4
typedef unsigned int u32;
# elif SIZEOF_UNSIGNED_LONG == 4
typedef unsigned long u32;
# else
# error no typedef for u32
# endif
# define HAVE_U32
#endif
/*
* Warning: Some systems segfault when this u64 typedef and
* the dummy code in cipher/md.c is not available. Examples are
* Solaris and IRIX.
*/
#ifndef HAVE_U64
# undef u64 /* In case there is a macro with that name. */
# if SIZEOF_UINT64_T == 8
typedef uint64_t u64;
# define U64_C(c) (UINT64_C(c))
# define HAVE_U64
# elif SIZEOF_UNSIGNED_INT == 8
typedef unsigned int u64;
# define U64_C(c) (c ## U)
# define HAVE_U64
# elif SIZEOF_UNSIGNED_LONG == 8
typedef unsigned long u64;
# define U64_C(c) (c ## UL)
# define HAVE_U64
# elif SIZEOF_UNSIGNED_LONG_LONG == 8
typedef unsigned long long u64;
# define U64_C(c) (c ## ULL)
# define HAVE_U64
# else
# error No way to declare a 64 bit integer type
# endif
#endif
typedef union
{
int a;
short b;
char c[1];
long d;
u64 e;
float f;
double g;
} PROPERLY_ALIGNED_TYPE;
#endif /*GCRYPT_TYPES_H*/
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