mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
301 lines
8.7 KiB
C
301 lines
8.7 KiB
C
/*
|
|
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#ifndef HEADER_E_OS2_H
|
|
# define HEADER_E_OS2_H
|
|
|
|
# include <openssl/opensslconf.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Detect operating systems. This probably needs completing.
|
|
* The result is that at least one OPENSSL_SYS_os macro should be defined.
|
|
* However, if none is defined, Unix is assumed.
|
|
**/
|
|
|
|
# define OPENSSL_SYS_UNIX
|
|
|
|
/* --------------------- Microsoft operating systems ---------------------- */
|
|
|
|
/*
|
|
* Note that MSDOS actually denotes 32-bit environments running on top of
|
|
* MS-DOS, such as DJGPP one.
|
|
*/
|
|
# if defined(OPENSSL_SYS_MSDOS)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# endif
|
|
|
|
/*
|
|
* For 32 bit environment, there seems to be the CygWin environment and then
|
|
* all the others that try to do the same thing Microsoft does...
|
|
*/
|
|
/*
|
|
* UEFI lives here because it might be built with a Microsoft toolchain and
|
|
* we need to avoid the false positive match on Windows.
|
|
*/
|
|
# if defined(OPENSSL_SYS_UEFI)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# elif defined(OPENSSL_SYS_UWIN)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# define OPENSSL_SYS_WIN32_UWIN
|
|
# else
|
|
# if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
|
|
# define OPENSSL_SYS_WIN32_CYGWIN
|
|
# else
|
|
# if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# if !defined(OPENSSL_SYS_WIN32)
|
|
# define OPENSSL_SYS_WIN32
|
|
# endif
|
|
# endif
|
|
# if defined(_WIN64) || defined(OPENSSL_SYS_WIN64)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# if !defined(OPENSSL_SYS_WIN64)
|
|
# define OPENSSL_SYS_WIN64
|
|
# endif
|
|
# endif
|
|
# if defined(OPENSSL_SYS_WINNT)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# endif
|
|
# if defined(OPENSSL_SYS_WINCE)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# endif
|
|
# endif
|
|
# endif
|
|
|
|
/* Anything that tries to look like Microsoft is "Windows" */
|
|
# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# define OPENSSL_SYS_WINDOWS
|
|
# ifndef OPENSSL_SYS_MSDOS
|
|
# define OPENSSL_SYS_MSDOS
|
|
# endif
|
|
# endif
|
|
|
|
/*
|
|
* DLL settings. This part is a bit tough, because it's up to the
|
|
* application implementor how he or she will link the application, so it
|
|
* requires some macro to be used.
|
|
*/
|
|
# ifdef OPENSSL_SYS_WINDOWS
|
|
# ifndef OPENSSL_OPT_WINDLL
|
|
# if defined(_WINDLL) /* This is used when building OpenSSL to
|
|
* indicate that DLL linkage should be used */
|
|
# define OPENSSL_OPT_WINDLL
|
|
# endif
|
|
# endif
|
|
# endif
|
|
|
|
/* ------------------------------- OpenVMS -------------------------------- */
|
|
# if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYS_VMS)
|
|
# if !defined(OPENSSL_SYS_VMS)
|
|
# undef OPENSSL_SYS_UNIX
|
|
# endif
|
|
# define OPENSSL_SYS_VMS
|
|
# if defined(__DECC)
|
|
# define OPENSSL_SYS_VMS_DECC
|
|
# elif defined(__DECCXX)
|
|
# define OPENSSL_SYS_VMS_DECC
|
|
# define OPENSSL_SYS_VMS_DECCXX
|
|
# else
|
|
# define OPENSSL_SYS_VMS_NODECC
|
|
# endif
|
|
# endif
|
|
|
|
/* -------------------------------- Unix ---------------------------------- */
|
|
# ifdef OPENSSL_SYS_UNIX
|
|
# if defined(linux) || defined(__linux__) && !defined(OPENSSL_SYS_LINUX)
|
|
# define OPENSSL_SYS_LINUX
|
|
# endif
|
|
# if defined(_AIX) && !defined(OPENSSL_SYS_AIX)
|
|
# define OPENSSL_SYS_AIX
|
|
# endif
|
|
# endif
|
|
|
|
/* -------------------------------- VOS ----------------------------------- */
|
|
# if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
|
|
# define OPENSSL_SYS_VOS
|
|
# ifdef __HPPA__
|
|
# define OPENSSL_SYS_VOS_HPPA
|
|
# endif
|
|
# ifdef __IA32__
|
|
# define OPENSSL_SYS_VOS_IA32
|
|
# endif
|
|
# endif
|
|
|
|
/**
|
|
* That's it for OS-specific stuff
|
|
*****************************************************************************/
|
|
|
|
/* Specials for I/O an exit */
|
|
# ifdef OPENSSL_SYS_MSDOS
|
|
# define OPENSSL_UNISTD_IO <io.h>
|
|
# define OPENSSL_DECLARE_EXIT extern void exit(int);
|
|
# else
|
|
# define OPENSSL_UNISTD_IO OPENSSL_UNISTD
|
|
# define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
|
|
# endif
|
|
|
|
/*-
|
|
* OPENSSL_EXTERN is normally used to declare a symbol with possible extra
|
|
* attributes to handle its presence in a shared library.
|
|
* OPENSSL_EXPORT is used to define a symbol with extra possible attributes
|
|
* to make it visible in a shared library.
|
|
* Care needs to be taken when a header file is used both to declare and
|
|
* define symbols. Basically, for any library that exports some global
|
|
* variables, the following code must be present in the header file that
|
|
* declares them, before OPENSSL_EXTERN is used:
|
|
*
|
|
* #ifdef SOME_BUILD_FLAG_MACRO
|
|
* # undef OPENSSL_EXTERN
|
|
* # define OPENSSL_EXTERN OPENSSL_EXPORT
|
|
* #endif
|
|
*
|
|
* The default is to have OPENSSL_EXPORT and OPENSSL_EXTERN
|
|
* have some generally sensible values.
|
|
*/
|
|
|
|
# if defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
|
|
# define OPENSSL_EXPORT extern __declspec(dllexport)
|
|
# define OPENSSL_EXTERN extern __declspec(dllimport)
|
|
# else
|
|
# define OPENSSL_EXPORT extern
|
|
# define OPENSSL_EXTERN extern
|
|
# endif
|
|
|
|
/*-
|
|
* Macros to allow global variables to be reached through function calls when
|
|
* required (if a shared library version requires it, for example.
|
|
* The way it's done allows definitions like this:
|
|
*
|
|
* // in foobar.c
|
|
* OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
|
|
* // in foobar.h
|
|
* OPENSSL_DECLARE_GLOBAL(int,foobar);
|
|
* #define foobar OPENSSL_GLOBAL_REF(foobar)
|
|
*/
|
|
# ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
|
|
# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) \
|
|
type *_shadow_##name(void) \
|
|
{ static type _hide_##name=value; return &_hide_##name; }
|
|
# define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
|
|
# define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
|
|
# else
|
|
# define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) type _shadow_##name=value;
|
|
# define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
|
|
# define OPENSSL_GLOBAL_REF(name) _shadow_##name
|
|
# endif
|
|
|
|
# ifdef _WIN32
|
|
# ifdef _WIN64
|
|
# define ossl_ssize_t __int64
|
|
# define OSSL_SSIZE_MAX _I64_MAX
|
|
# else
|
|
# define ossl_ssize_t int
|
|
# define OSSL_SSIZE_MAX INT_MAX
|
|
# endif
|
|
# endif
|
|
|
|
# if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t)
|
|
# define ossl_ssize_t INTN
|
|
# define OSSL_SSIZE_MAX MAX_INTN
|
|
# endif
|
|
|
|
# ifndef ossl_ssize_t
|
|
# define ossl_ssize_t ssize_t
|
|
# if defined(SSIZE_MAX)
|
|
# define OSSL_SSIZE_MAX SSIZE_MAX
|
|
# elif defined(_POSIX_SSIZE_MAX)
|
|
# define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX
|
|
# else
|
|
# define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1))
|
|
# endif
|
|
# endif
|
|
|
|
# ifdef DEBUG_UNUSED
|
|
# define __owur __attribute__((__warn_unused_result__))
|
|
# else
|
|
# define __owur
|
|
# endif
|
|
|
|
/* Standard integer types */
|
|
# if defined(OPENSSL_SYS_UEFI)
|
|
typedef INT8 int8_t;
|
|
typedef UINT8 uint8_t;
|
|
typedef INT16 int16_t;
|
|
typedef UINT16 uint16_t;
|
|
typedef INT32 int32_t;
|
|
typedef UINT32 uint32_t;
|
|
typedef INT64 int64_t;
|
|
typedef UINT64 uint64_t;
|
|
# elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
|
|
defined(__osf__) || defined(__sgi) || defined(__hpux) || \
|
|
defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__)
|
|
# include <inttypes.h>
|
|
# elif defined(_MSC_VER) && _MSC_VER<1600
|
|
/*
|
|
* minimally required typdefs for systems not supporting inttypes.h or
|
|
* stdint.h: currently just older VC++
|
|
*/
|
|
typedef signed char int8_t;
|
|
typedef unsigned char uint8_t;
|
|
typedef short int16_t;
|
|
typedef unsigned short uint16_t;
|
|
typedef int int32_t;
|
|
typedef unsigned int uint32_t;
|
|
typedef __int64 int64_t;
|
|
typedef unsigned __int64 uint64_t;
|
|
# else
|
|
# include <stdint.h>
|
|
# endif
|
|
|
|
/* ossl_inline: portable inline definition usable in public headers */
|
|
# if !defined(inline) && !defined(__cplusplus)
|
|
# if defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L
|
|
/* just use inline */
|
|
# define ossl_inline inline
|
|
# elif defined(__GNUC__) && __GNUC__>=2
|
|
# define ossl_inline __inline__
|
|
# elif defined(_MSC_VER)
|
|
/*
|
|
* Visual Studio: inline is available in C++ only, however
|
|
* __inline is available for C, see
|
|
* http://msdn.microsoft.com/en-us/library/z8y1yy88.aspx
|
|
*/
|
|
# define ossl_inline __inline
|
|
# else
|
|
# define ossl_inline
|
|
# endif
|
|
# else
|
|
# define ossl_inline inline
|
|
# endif
|
|
|
|
# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \
|
|
!defined(__cplusplus)
|
|
# define ossl_noreturn _Noreturn
|
|
# elif defined(__GNUC__) && __GNUC__ >= 2
|
|
# define ossl_noreturn __attribute__((noreturn))
|
|
# else
|
|
# define ossl_noreturn
|
|
# endif
|
|
|
|
/* ossl_unused: portable unused attribute for use in public headers */
|
|
# if defined(__GNUC__)
|
|
# define ossl_unused __attribute__((unused))
|
|
# else
|
|
# define ossl_unused
|
|
# endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|