The C and C++ Include Header Files

/usr/include/openssl/e_os2.h


$ cat -n /usr/include/openssl/e_os2.h

     1	/*
     2	 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
     3	 *
     4	 * Licensed under the Apache License 2.0 (the "License").  You may not use
     5	 * this file except in compliance with the License.  You can obtain a copy
     6	 * in the file LICENSE in the source distribution or at
     7	 * https://www.openssl.org/source/license.html
     8	 */
     9	
    10	#ifndef OPENSSL_E_OS2_H
    11	# define OPENSSL_E_OS2_H
    12	# pragma once
    13	
    14	# include <openssl/macros.h>
    15	# ifndef OPENSSL_NO_DEPRECATED_3_0
    16	#  define HEADER_E_OS2_H
    17	# endif
    18	
    19	# include <openssl/opensslconf.h>
    20	
    21	#ifdef  __cplusplus
    22	extern "C" {
    23	#endif
    24	
    25	/******************************************************************************
    26	 * Detect operating systems.  This probably needs completing.
    27	 * The result is that at least one OPENSSL_SYS_os macro should be defined.
    28	 * However, if none is defined, Unix is assumed.
    29	 **/
    30	
    31	# define OPENSSL_SYS_UNIX
    32	
    33	/* --------------------- Microsoft operating systems ---------------------- */
    34	
    35	/*
    36	 * Note that MSDOS actually denotes 32-bit environments running on top of
    37	 * MS-DOS, such as DJGPP one.
    38	 */
    39	# if defined(OPENSSL_SYS_MSDOS)
    40	#  undef OPENSSL_SYS_UNIX
    41	# endif
    42	
    43	/*
    44	 * For 32 bit environment, there seems to be the CygWin environment and then
    45	 * all the others that try to do the same thing Microsoft does...
    46	 */
    47	/*
    48	 * UEFI lives here because it might be built with a Microsoft toolchain and
    49	 * we need to avoid the false positive match on Windows.
    50	 */
    51	# if defined(OPENSSL_SYS_UEFI)
    52	#  undef OPENSSL_SYS_UNIX
    53	# elif defined(OPENSSL_SYS_UWIN)
    54	#  undef OPENSSL_SYS_UNIX
    55	#  define OPENSSL_SYS_WIN32_UWIN
    56	# else
    57	#  if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
    58	#   define OPENSSL_SYS_WIN32_CYGWIN
    59	#  else
    60	#   if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
    61	#    undef OPENSSL_SYS_UNIX
    62	#    if !defined(OPENSSL_SYS_WIN32)
    63	#     define OPENSSL_SYS_WIN32
    64	#    endif
    65	#   endif
    66	#   if defined(_WIN64) || defined(OPENSSL_SYS_WIN64)
    67	#    undef OPENSSL_SYS_UNIX
    68	#    if !defined(OPENSSL_SYS_WIN64)
    69	#     define OPENSSL_SYS_WIN64
    70	#    endif
    71	#   endif
    72	#   if defined(OPENSSL_SYS_WINNT)
    73	#    undef OPENSSL_SYS_UNIX
    74	#   endif
    75	#   if defined(OPENSSL_SYS_WINCE)
    76	#    undef OPENSSL_SYS_UNIX
    77	#   endif
    78	#  endif
    79	# endif
    80	
    81	/* Anything that tries to look like Microsoft is "Windows" */
    82	# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
    83	#  undef OPENSSL_SYS_UNIX
    84	#  define OPENSSL_SYS_WINDOWS
    85	#  ifndef OPENSSL_SYS_MSDOS
    86	#   define OPENSSL_SYS_MSDOS
    87	#  endif
    88	# endif
    89	
    90	/*
    91	 * DLL settings.  This part is a bit tough, because it's up to the
    92	 * application implementor how he or she will link the application, so it
    93	 * requires some macro to be used.
    94	 */
    95	# ifdef OPENSSL_SYS_WINDOWS
    96	#  ifndef OPENSSL_OPT_WINDLL
    97	#   if defined(_WINDLL)         /* This is used when building OpenSSL to
    98	                                 * indicate that DLL linkage should be used */
    99	#    define OPENSSL_OPT_WINDLL
   100	#   endif
   101	#  endif
   102	# endif
   103	
   104	/* ------------------------------- OpenVMS -------------------------------- */
   105	# if defined(__VMS) || defined(VMS)
   106	#  if !defined(OPENSSL_SYS_VMS)
   107	#   undef OPENSSL_SYS_UNIX
   108	#   define OPENSSL_SYS_VMS
   109	#  endif
   110	#  if defined(__DECC)
   111	#   define OPENSSL_SYS_VMS_DECC
   112	#  elif defined(__DECCXX)
   113	#   define OPENSSL_SYS_VMS_DECC
   114	#   define OPENSSL_SYS_VMS_DECCXX
   115	#  else
   116	#   define OPENSSL_SYS_VMS_NODECC
   117	#  endif
   118	# endif
   119	
   120	/* -------------------------------- Unix ---------------------------------- */
   121	# ifdef OPENSSL_SYS_UNIX
   122	#  if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX)
   123	#   define OPENSSL_SYS_LINUX
   124	#  endif
   125	#  if defined(_AIX) && !defined(OPENSSL_SYS_AIX)
   126	#   define OPENSSL_SYS_AIX
   127	#  endif
   128	# endif
   129	
   130	/* -------------------------------- VOS ----------------------------------- */
   131	# if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
   132	#  define OPENSSL_SYS_VOS
   133	#  ifdef __HPPA__
   134	#   define OPENSSL_SYS_VOS_HPPA
   135	#  endif
   136	#  ifdef __IA32__
   137	#   define OPENSSL_SYS_VOS_IA32
   138	#  endif
   139	# endif
   140	
   141	/* ---------------------------- HP NonStop -------------------------------- */
   142	# ifdef __TANDEM
   143	#  ifdef _STRING
   144	#   include <strings.h>
   145	#  endif
   146	# define OPENSSL_USE_BUILD_DATE
   147	# if defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
   148	#  define  SPT_THREAD_SIGNAL 1
   149	#  define  SPT_THREAD_AWARE 1
   150	#  include <spthread.h>
   151	# elif defined(OPENSSL_THREADS) && defined(_PUT_MODEL_)
   152	#  include <pthread.h>
   153	# endif
   154	# endif
   155	
   156	/**
   157	 * That's it for OS-specific stuff
   158	 *****************************************************************************/
   159	
   160	/*-
   161	 * OPENSSL_EXTERN is normally used to declare a symbol with possible extra
   162	 * attributes to handle its presence in a shared library.
   163	 * OPENSSL_EXPORT is used to define a symbol with extra possible attributes
   164	 * to make it visible in a shared library.
   165	 * Care needs to be taken when a header file is used both to declare and
   166	 * define symbols.  Basically, for any library that exports some global
   167	 * variables, the following code must be present in the header file that
   168	 * declares them, before OPENSSL_EXTERN is used:
   169	 *
   170	 * #ifdef SOME_BUILD_FLAG_MACRO
   171	 * # undef OPENSSL_EXTERN
   172	 * # define OPENSSL_EXTERN OPENSSL_EXPORT
   173	 * #endif
   174	 *
   175	 * The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN
   176	 * have some generally sensible values.
   177	 */
   178	
   179	# if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
   180	#  define OPENSSL_EXPORT extern __declspec(dllexport)
   181	#  define OPENSSL_EXTERN extern __declspec(dllimport)
   182	# else
   183	#  define OPENSSL_EXPORT extern
   184	#  define OPENSSL_EXTERN extern
   185	# endif
   186	
   187	# ifdef _WIN32
   188	#  ifdef _WIN64
   189	#   define ossl_ssize_t __int64
   190	#   define OSSL_SSIZE_MAX _I64_MAX
   191	#  else
   192	#   define ossl_ssize_t int
   193	#   define OSSL_SSIZE_MAX INT_MAX
   194	#  endif
   195	# endif
   196	
   197	# if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t)
   198	#  define ossl_ssize_t INTN
   199	#  define OSSL_SSIZE_MAX MAX_INTN
   200	# endif
   201	
   202	# ifndef ossl_ssize_t
   203	#  define ossl_ssize_t ssize_t
   204	#  if defined(SSIZE_MAX)
   205	#   define OSSL_SSIZE_MAX SSIZE_MAX
   206	#  elif defined(_POSIX_SSIZE_MAX)
   207	#   define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX
   208	#  else
   209	#   define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1))
   210	#  endif
   211	# endif
   212	
   213	# if defined(UNUSEDRESULT_DEBUG)
   214	#  define __owur __attribute__((__warn_unused_result__))
   215	# else
   216	#  define __owur
   217	# endif
   218	
   219	/* Standard integer types */
   220	# define OPENSSL_NO_INTTYPES_H
   221	# define OPENSSL_NO_STDINT_H
   222	# if defined(OPENSSL_SYS_UEFI)
   223	typedef INT8 int8_t;
   224	typedef UINT8 uint8_t;
   225	typedef INT16 int16_t;
   226	typedef UINT16 uint16_t;
   227	typedef INT32 int32_t;
   228	typedef UINT32 uint32_t;
   229	typedef INT64 int64_t;
   230	typedef UINT64 uint64_t;
   231	# elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
   232	     defined(__osf__) || defined(__sgi) || defined(__hpux) || \
   233	     defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__)
   234	#  include <inttypes.h>
   235	#  undef OPENSSL_NO_INTTYPES_H
   236	/* Because the specs say that inttypes.h includes stdint.h if present */
   237	#  undef OPENSSL_NO_STDINT_H
   238	# elif defined(_MSC_VER) && _MSC_VER<1600
   239	/*
   240	 * minimally required typdefs for systems not supporting inttypes.h or
   241	 * stdint.h: currently just older VC++
   242	 */
   243	typedef signed char int8_t;
   244	typedef unsigned char uint8_t;
   245	typedef short int16_t;
   246	typedef unsigned short uint16_t;
   247	typedef int int32_t;
   248	typedef unsigned int uint32_t;
   249	typedef __int64 int64_t;
   250	typedef unsigned __int64 uint64_t;
   251	# else
   252	#  include <stdint.h>
   253	#  undef OPENSSL_NO_STDINT_H
   254	# endif
   255	# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
   256	    defined(INTMAX_MAX) && defined(UINTMAX_MAX)
   257	typedef intmax_t ossl_intmax_t;
   258	typedef uintmax_t ossl_uintmax_t;
   259	# else
   260	/* Fall back to the largest we know we require and can handle */
   261	typedef int64_t ossl_intmax_t;
   262	typedef uint64_t ossl_uintmax_t;
   263	# endif
   264	
   265	/* ossl_inline: portable inline definition usable in public headers */
   266	# if !defined(inline) && !defined(__cplusplus)
   267	#  if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L
   268	   /* just use inline */
   269	#   define ossl_inline inline
   270	#  elif defined(__GNUC__) && __GNUC__>=2
   271	#   define ossl_inline __inline__
   272	#  elif defined(_MSC_VER)
   273	  /*
   274	   * Visual Studio: inline is available in C++ only, however
   275	   * __inline is available for C, see
   276	   * http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx
   277	   */
   278	#   define ossl_inline __inline
   279	#  else
   280	#   define ossl_inline
   281	#  endif
   282	# else
   283	#  define ossl_inline inline
   284	# endif
   285	
   286	# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \
   287	     !defined(__cplusplus) 
   288	#  define ossl_noreturn _Noreturn
   289	# elif defined(__GNUC__) && __GNUC__ >= 2
   290	#  define ossl_noreturn __attribute__((noreturn))
   291	# else
   292	#  define ossl_noreturn
   293	# endif
   294	
   295	/* ossl_unused: portable unused attribute for use in public headers */
   296	# if defined(__GNUC__)
   297	#  define ossl_unused __attribute__((unused))
   298	# else
   299	#  define ossl_unused
   300	# endif
   301	
   302	#ifdef  __cplusplus
   303	}
   304	#endif
   305	#endif