openssl/e_os.h

/* e_os.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef HEADER_E_OS_H
#define HEADER_E_OS_H

#ifdef  __cplusplus
extern "C" {
#endif

/* Used to checking reference counts, most while doing perl5 stuff :-) */
#ifdef REF_PRINT
#undef REF_PRINT
#define REF_PRINT(a,b)	fprintf(stderr,"%08X:%4d:%s\n",(int)b,b->references,a)
#endif

#ifndef DEVRANDOM
/* set this to your 'random' device if you have one.
 * My default, we will try to read this file */
#define DEVRANDOM "/dev/urandom"
#endif

/********************************************************************
 The Microsoft section
 ********************************************************************/
/* The following is used becaue of the small stack in some
 * Microsoft operating systems */
#if defined(WIN16) || defined(MSDOS)
#  define MS_STATIC	static
#else
#  define MS_STATIC
#endif

#if defined(WIN32) || defined(WIN16)
#  ifndef WINDOWS
#    define WINDOWS
#  endif
#  ifndef MSDOS
#    define MSDOS
#  endif
#endif

#ifdef WIN32
#define get_last_sys_error()	GetLastError()
#define clear_sys_error()	SetLastError(0)
/* These are defined in wincrypt.h and can cause problems */
#undef X509_NAME
#undef PKCS7_SIGNER_INFO
#if !defined(WINNT)
#define WIN_CONSOLE_BUG
#endif
#else
#define get_last_sys_error()	errno
#define clear_sys_error()	errno=0
#endif

#ifdef WINDOWS
#define get_last_socket_error()	WSAGetLastError()
#define clear_socket_error()	WSASetLastError(0)
#define readsocket(s,b,n)	recv((s),(b),(n),0)
#define writesocket(s,b,n)	send((s),(b),(n),0)
#define EADDRINUSE		WSAEADDRINUSE
#else
#define get_last_socket_error()	errno
#define clear_socket_error()	errno=0
#define ioctlsocket(a,b,c)	ioctl(a,b,c)
#define closesocket(s)		close(s)
#define readsocket(s,b,n)	read((s),(b),(n))
#define writesocket(s,b,n)	write((s),(b),(n))
#endif

#ifdef WIN16
#  define NO_FP_API
#  define MS_CALLBACK	_far _loadds
#  define MS_FAR	_far
#else
#  define MS_CALLBACK
#  define MS_FAR
#endif

#ifdef NO_STDIO
#  define NO_FP_API
#endif

#if defined(WINDOWS) || defined(MSDOS)

#ifndef S_IFDIR
#define S_IFDIR	_S_IFDIR
#endif

#ifndef S_IFMT
#define S_IFMT	_S_IFMT

#if !defined(WINNT)
#define NO_SYSLOG
#endif
#define NO_DIRENT

#endif

#  ifdef WINDOWS
#    include <windows.h>
#    include <stddef.h>
#    include <errno.h>
#    include <string.h>
#    include <malloc.h>
#  endif
#  include <io.h>
#  include <fcntl.h>

#if defined (__BORLANDC__)
#define _setmode setmode
#define _O_TEXT O_TEXT
#define _O_BINARY O_BINARY
#define _int64 __int64
#endif

#if defined(WIN16) && !defined(MONOLITH) && defined(SSLEAY) && defined(_WINEXITNOPERSIST)
#  define EXIT(n) { if (n == 0) _wsetexit(_WINEXITNOPERSIST); return(n); }
#else
#  define EXIT(n)		return(n);
#endif
#  define LIST_SEPARATOR_CHAR ';'
#ifndef X_OK
#  define X_OK	0
#endif
#ifndef W_OK
#  define W_OK	2
#endif
#ifndef R_OK
#  define R_OK	4
#endif
#  define OPENSSL_CONF	"openssl.cnf"
#  define SSLEAY_CONF	OPENSSL_CONF
#  define NUL_DEV	"nul"
#  define RFILE		".rnd"

#else /* The non-microsoft world world */

#  if defined(__VMS) && !defined(VMS)
#  define VMS 1
#  endif

#  ifdef VMS
  /* some programs don't include stdlib, so exit() and others give implicit 
     function warnings */
#    include <stdlib.h>
#    if defined(__DECC)
#      include <unistd.h>
#    else
#      include <unixlib.h>
#    endif
#    define OPENSSL_CONF	"openssl.cnf"
#    define SSLEAY_CONF		OPENSSL_CONF
#    define RFILE		".rnd"
#    define LIST_SEPARATOR_CHAR ','
#    define NUL_DEV		"NLA0:"
  /* We need to do this, because DEC C converts exit code 0 to 1, but not 1
     to 0.  We will convert 1 to 3!  Also, add the inhibit message bit... */
#    ifndef MONOLITH
#      define EXIT(n)		do { int __VMS_EXIT = n; \
                                     if (__VMS_EXIT == 1) __VMS_EXIT = 3; \
                                     __VMS_EXIT |= 0x10000000; \
				     exit(n); return(n); } while(0)
#    else
#      define EXIT(n)		do { int __VMS_EXIT = n; \
                                     if (__VMS_EXIT == 1) __VMS_EXIT = 3; \
                                     __VMS_EXIT |= 0x10000000; \
				     return(n); } while(0)
#    endif
#  else
#    include <unistd.h>

#    define OPENSSL_CONF	"openssl.cnf"
#    define SSLEAY_CONF		OPENSSL_CONF
#    define RFILE		".rnd"
#    define LIST_SEPARATOR_CHAR ':'
#    define NUL_DEV		"/dev/null"
#    ifndef MONOLITH
#      define EXIT(n)		exit(n); return(n)
#    else
#      define EXIT(n)		return(n)
#    endif
#  endif

#  define SSLeay_getpid()	getpid()

#endif

/* Definitions of GLOBAL and EXTERN, to define and declare certain global
   symbols that, with some compilers under VMS, have to be defined and
   declared explicitely with globaldef and globalref.  On other OS:es,
   these macros are defined with something sensible. */
#if defined(VMS) && !defined(__DECC)
#define EXTERN globalref
#define GLOBAL globaldef
#else
#define EXTERN extern
#define GLOBAL
#endif

/*************/

#ifdef USE_SOCKETS
#  if defined(WINDOWS) || defined(MSDOS)
      /* windows world */

#    ifdef NO_SOCK
#      define SSLeay_Write(a,b,c)	(-1)
#      define SSLeay_Read(a,b,c)	(-1)
#      define SHUTDOWN(fd)		close(fd)
#      define SHUTDOWN2(fd)		close(fd)
#    else
#      include <winsock.h>
extern HINSTANCE _hInstance;
#      define SSLeay_Write(a,b,c)	send((a),(b),(c),0)
#      define SSLeay_Read(a,b,c)	recv((a),(b),(c),0)
#      define SHUTDOWN(fd)		{ shutdown((fd),0); closesocket(fd); }
#      define SHUTDOWN2(fd)		{ shutdown((fd),2); closesocket(fd); }
#    endif


#  else

#    include <sys/types.h>
#    ifndef VMS
#      include <sys/param.h>
#    endif
#    include <sys/time.h> /* Needed under linux for FD_XXX */

#    include <netdb.h>
#    if defined(VMS) && !defined(__DECC)
#      include <socket.h>
#      include <in.h>
#    else
#      include <sys/socket.h>
#      ifdef FILIO_H
#        include <sys/filio.h> /* Added for FIONBIO under unixware */
#      endif
#      include <netinet/in.h>
#    endif

#    if defined(NeXT) || defined(_NEXT_SOURCE)
#      include <sys/fcntl.h>
#      include <sys/types.h>
#    endif

#    ifdef AIX
#      include <sys/select.h>
#    endif

#    if defined(sun)
#      include <sys/filio.h>
#    else
#      ifndef VMS
#        include <sys/ioctl.h>
#      else
	 /* ioctl is only in VMS > 7.0 and when socketshr is not used */
#        if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
#          include <sys/ioctl.h>
#        endif
#      endif
#    endif

#    ifdef VMS
#      include <unixio.h>
#      if defined(TCPIP_TYPE_SOCKETSHR)
#        include <socketshr.h>
#      endif
#    endif

#    define SSLeay_Read(a,b,c)     read((a),(b),(c))
#    define SSLeay_Write(a,b,c)    write((a),(b),(c))
#    define SHUTDOWN(fd)    { shutdown((fd),0); close((fd)); }
#    define SHUTDOWN2(fd)   { shutdown((fd),2); close((fd)); }
#    define INVALID_SOCKET	(-1)
#  endif
#endif

#if defined(THREADS) || defined(sun)
#ifndef _REENTRANT
#define _REENTRANT
#endif
#endif

/***********************************************/

/* do we need to do this for getenv.
 * Just define getenv for use under windows */

#ifdef WIN16
/* How to do this needs to be thought out a bit more.... */
/*char *GETENV(char *);
#define Getenv	GETENV*/
#define Getenv	getenv
#else
#define Getenv getenv
#endif

#define DG_GCC_BUG	/* gcc < 2.6.3 on DGUX */

#ifdef sgi
#define IRIX_CC_BUG	/* all version of IRIX I've tested (4.* 5.*) */
#endif

#ifdef NO_MD2
#define MD2_Init MD2Init
#define MD2_Update MD2Update
#define MD2_Final MD2Final
#define MD2_DIGEST_LENGTH 16
#endif
#ifdef NO_MD5
#define MD5_Init MD5Init 
#define MD5_Update MD5Update
#define MD5_Final MD5Final
#define MD5_DIGEST_LENGTH 16
#endif

#ifdef  __cplusplus
}
#endif

#endif