ssl/include/e_os.h
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/include/e_os.h	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,664 @@
+/* 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
+
+#include <openssl/opensslconf.h>
+
+#include <openssl/e_os2.h>
+/* <openssl/e_os2.h> contains what we can justify to make visible
+ * to the outside; this file e_os.h is not part of the exported
+ * interface. */
+
+#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 a comma-separated list of 'random' device files to try out.
+ * My default, we will try to read at least one of these files */
+#define DEVRANDOM "/dev/urandom","/dev/random","/dev/srandom"
+#endif
+#ifndef DEVRANDOM_EGD
+/* set this to a comma-seperated list of 'egd' sockets to try out. These
+ * sockets will be tried in the order listed in case accessing the device files
+ * listed in DEVRANDOM did not return enough entropy. */
+#define DEVRANDOM_EGD "/var/run/egd-pool","/dev/egd-pool","/etc/egd-pool","/etc/entropy"
+#endif
+
+#if defined(OPENSSL_SYS_VXWORKS)
+#  define NO_SYS_PARAM_H
+#  define NO_CHMOD
+#  define NO_SYSLOG
+#endif
+  
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
+# if macintosh==1
+#  ifndef MAC_OS_GUSI_SOURCE
+#    define MAC_OS_pre_X
+#    define NO_SYS_TYPES_H
+     typedef long ssize_t;
+#  endif
+#  define NO_SYS_PARAM_H
+#  define NO_CHMOD
+#  define NO_SYSLOG
+#  undef  DEVRANDOM
+#  define GETPID_IS_MEANINGLESS
+# endif
+#endif
+
+/********************************************************************
+ The Microsoft section
+ ********************************************************************/
+/* The following is used becaue of the small stack in some
+ * Microsoft operating systems */
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYSNAME_WIN32)&&!defined(SYMBIAN)
+#  define MS_STATIC	static
+#else
+#  define MS_STATIC
+#endif
+
+#if defined(OPENSSL_SYS_WIN32) && !defined(WIN32)
+#  define WIN32
+#endif
+#if defined(OPENSSL_SYS_WIN16) && !defined(WIN16)
+#  definess WIN16
+#endif
+#if defined(OPENSSL_SYS_WINDOWS) && !defined(WINDOWS)
+#  define WINDOWS
+#endif
+#if defined(OPENSSL_SYS_MSDOS) && !defined(MSDOS)
+#  define MSDOS
+#endif
+
+#if defined(MSDOS) && !defined(GETPID_IS_MEANINGLESS)&&!defined(SYMBIAN)
+#  define GETPID_IS_MEANINGLESS
+#endif
+
+#if defined(WIN32)&&!defined(SYMBIAN)
+#define get_last_sys_error()	GetLastError()
+#define clear_sys_error()	SetLastError(0)
+#if !defined(WINNT)
+#define WIN_CONSOLE_BUG
+#endif
+#else
+#define get_last_sys_error()	errno
+#define clear_sys_error()	errno=0
+#endif
+
+#if defined(WINDOWS)&&!defined(SYMBIAN)
+#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
+#elif defined(__DJGPP__)
+#define WATT32
+#define get_last_socket_error()	errno
+#define clear_socket_error()	errno=0
+#define closesocket(s)		close_s(s)
+#define readsocket(s,b,n)	read_s(s,b,n)
+#define writesocket(s,b,n)	send(s,b,n,0)
+#elif defined(MAC_OS_pre_X)
+#define get_last_socket_error()	errno
+#define clear_socket_error()	errno=0
+#define closesocket(s)		MacSocket_close(s)
+#define readsocket(s,b,n)	MacSocket_recv((s),(b),(n),true)
+#define writesocket(s,b,n)	MacSocket_send((s),(b),(n))
+#elif defined(OPENSSL_SYS_VMS)
+#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)       recv((s),(b),(n),0)
+#define writesocket(s,b,n)      send((s),(b),(n),0)
+#elif defined(OPENSSL_SYS_VXWORKS)
+#define get_last_socket_error()	errno
+#define clear_socket_error()	errno=0
+#define ioctlsocket(a,b,c)	    ioctl((a),(b),(int)(c))
+#define closesocket(s)		    close(s)
+#define readsocket(s,b,n)	    read((s),(b),(n))
+#define writesocket(s,b,n)	    write((s),(char *)(b),(n))
+#elif defined(OPENSSL_SYS_NETWARE)
+#if defined(NETWARE_BSDSOCK)
+#define get_last_socket_error() errno
+#define clear_socket_error()    errno=0
+#define closesocket(s)          close(s)
+#define readsocket(s,b,n)       recv((s),(b),(n),0)
+#define writesocket(s,b,n)      send((s),(b),(n),0)
+#else
+#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)
+#endif
+#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
+
+#if defined(WIN16)&&!defined(SYMBIAN)
+#  define MS_CALLBACK	_far _loadds
+#  define MS_FAR	_far
+#else
+#  define MS_CALLBACK
+#  define MS_FAR
+#endif
+
+#ifdef OPENSSL_NO_STDIO
+#  undef OPENSSL_NO_FP_API
+#  define OPENSSL_NO_FP_API
+#endif
+
+#if (defined(WINDOWS) || defined(MSDOS) && !defined(SYMBIAN))
+
+#  ifdef __DJGPP__
+#    include <unistd.h>
+#    include <sys/stat.h>
+#    include <sys/socket.h>
+#    include <tcp.h>
+#    include <netdb.h>
+#    define _setmode setmode
+#    define _O_TEXT O_TEXT
+#    define _O_BINARY O_BINARY
+#    undef DEVRANDOM
+#    define DEVRANDOM "/dev/urandom\x24"
+#  endif /* __DJGPP__ */
+
+#  ifndef S_IFDIR
+#    define S_IFDIR	_S_IFDIR
+#  endif
+
+#  ifndef S_IFMT
+#    define S_IFMT	_S_IFMT
+#  endif
+
+#  if !defined(WINNT) && !defined(__DJGPP__)
+#    define NO_SYSLOG
+#  endif
+#  define NO_DIRENT
+
+#  ifdef WINDOWS
+#    if !defined(_WIN32_WCE) && !defined(_WIN32_WINNT)
+       /*
+	* Defining _WIN32_WINNT here in e_os.h implies certain "discipline."
+	* Most notably we ought to check for availability of each specific
+	* routine with GetProcAddress() and/or quard NT-specific calls with
+	* GetVersion() < 0x80000000. One can argue that in latter "or" case
+	* we ought to /DELAYLOAD some .DLLs in order to protect ourselves
+	* against run-time link errors. This doesn't seem to be necessary,
+	* because it turned out that already Windows 95, first non-NT Win32
+	* implementation, is equipped with at least NT 3.51 stubs, dummy
+	* routines with same name, but which do nothing. Meaning that it's
+	* apparently appropriate to guard generic NT calls with GetVersion
+	* alone, while NT 4.0 and above calls ought to be additionally
+	* checked upon with GetProcAddress.
+	*/
+#      define _WIN32_WINNT 0x0400
+#    endif
+#    include <windows.h>
+#    include <stddef.h>
+#    include <errno.h>
+#    include <string.h>
+#    ifdef _WIN64
+#      define strlen(s) _strlen31(s)
+/* cut strings to 2GB */
+static unsigned int _strlen31(const char *str)
+	{
+	unsigned int len=0;
+	while (*str && len<0x80000000U) str++, len++;
+	return len&0x7FFFFFFF;
+	}
+#    endif
+#    include <malloc.h>
+#  endif
+#  include <io.h>
+#  include <fcntl.h>
+
+#  ifdef OPENSSL_SYS_WINCE
+#    include <winsock_extras.h>
+#  endif
+
+#  define ssize_t long
+
+#  if defined (__BORLANDC__)
+#    define _setmode setmode
+#    define _O_TEXT O_TEXT
+#    define _O_BINARY O_BINARY
+#    define _int64 __int64
+#    define _kbhit kbhit
+#  endif
+
+#  if defined(WIN16) && defined(SSLEAY) && defined(_WINEXITNOPERSIST)
+#    define EXIT(n) _wsetexit(_WINEXITNOPERSIST)
+#    define OPENSSL_EXIT(n) do { if (n == 0) EXIT(n); return(n); } while(0)
+#  else
+#    define EXIT(n) exit(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"
+#  ifdef OPENSSL_SYS_WINCE
+#    define DEFAULT_HOME  ""
+#  else
+#    define DEFAULT_HOME  "C:"
+#  endif
+
+#else /* The non-microsoft world world */
+
+#  ifdef OPENSSL_SYS_VMS
+#    define VMS 1
+  /* 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 don't have any well-defined random devices on VMS, yet... */
+#    undef DEVRANDOM
+  /* We need to do this since VMS has the following coding on status codes:
+
+     Bits 0-2: status type: 0 = warning, 1 = success, 2 = error, 3 = info ...
+               The important thing to know is that odd numbers are considered
+	       good, while even ones are considered errors.
+     Bits 3-15: actual status number
+     Bits 16-27: facility number.  0 is considered "unknown"
+     Bits 28-31: control bits.  If bit 28 is set, the shell won't try to
+                 output the message (which, for random codes, just looks ugly)
+
+     So, what we do here is to change 0 to 1 to get the default success status,
+     and everything else is shifted up to fit into the status number field, and
+     the status is tagged as an error, which I believe is what is wanted here.
+     -- Richard Levitte
+  */
+#    define EXIT(n)		do { int __VMS_EXIT = n; \
+                                     if (__VMS_EXIT == 0) \
+				       __VMS_EXIT = 1; \
+				     else \
+				       __VMS_EXIT = (n << 3) | 2; \
+                                     __VMS_EXIT |= 0x10000000; \
+				     exit(__VMS_EXIT); } while(0)
+#    define NO_SYS_PARAM_H
+
+#  elif defined(OPENSSL_SYS_NETWARE)
+#    include <fcntl.h>
+#    include <unistd.h>
+#    define NO_SYS_TYPES_H
+#    undef  DEVRANDOM
+#    ifdef NETWARE_CLIB
+#      define getpid GetThreadID
+#    endif
+#    define NO_SYSLOG
+#    define _setmode setmode
+#    define _kbhit kbhit
+#    define _O_TEXT O_TEXT
+#    define _O_BINARY O_BINARY
+#    define OPENSSL_CONF   "openssl.cnf"
+#    define SSLEAY_CONF    OPENSSL_CONF
+#    define RFILE    ".rnd"
+#    define LIST_SEPARATOR_CHAR ';'
+#    define EXIT(n)  { if (n) printf("ERROR: %d\n", (int)n); exit(n); }
+
+#  else
+    /* !defined VMS */
+#    ifdef OPENSSL_SYS_MPE
+#      define NO_SYS_PARAM_H
+#    endif
+#    ifdef OPENSSL_UNISTD
+#      include OPENSSL_UNISTD
+#    else
+#      include <unistd.h>
+#    endif
+#    ifndef NO_SYS_TYPES_H
+#      include <sys/types.h>
+#    endif
+#    if defined(NeXT) || defined(OPENSSL_SYS_NEWS4)
+#      define pid_t int /* pid_t is missing on NEXTSTEP/OPENSTEP
+                         * (unless when compiling with -D_POSIX_SOURCE,
+                         * which doesn't work for us) */
+#    endif
+#    if defined(NeXT) || defined(OPENSSL_SYS_NEWS4) || defined(OPENSSL_SYS_SUNOS)
+#      define ssize_t int /* ditto */
+#    endif
+#    ifdef OPENSSL_SYS_NEWS4 /* setvbuf is missing on mips-sony-bsd */
+#      define setvbuf(a, b, c, d) setbuffer((a), (b), (d))
+       typedef unsigned long clock_t;
+#    endif
+
+#    define OPENSSL_CONF	"openssl.cnf"
+#    define SSLEAY_CONF		OPENSSL_CONF
+#    define RFILE		".rnd"
+#    define LIST_SEPARATOR_CHAR ':'
+#    define NUL_DEV		"/dev/null"
+#    define EXIT(n)		exit(n)
+#  endif
+
+#  define SSLeay_getpid()	getpid()
+
+#endif
+
+
+/*************/
+
+#ifdef USE_SOCKETS
+#  if defined(WINDOWS) || defined(MSDOS) && !defined(SYMBIAN)
+      /* windows world */
+
+#    ifdef OPENSSL_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)
+#    elif !defined(__DJGPP__)
+#      include <winsock.h>
+extern HINSTANCE _hInstance;
+#      ifdef _WIN64
+/*
+ * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because
+ * the value constitutes an index in per-process table of limited size
+ * and not a real pointer.
+ */
+#        define socket(d,t,p)	((int)socket(d,t,p))
+#        define accept(s,f,l)	((int)accept(s,f,l))
+#      endif
+#      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); }
+#    else
+#      define SSLeay_Write(a,b,c)	write_s(a,b,c,0)
+#      define SSLeay_Read(a,b,c)	read_s(a,b,c)
+#      define SHUTDOWN(fd)		close_s(fd)
+#      define SHUTDOWN2(fd)		close_s(fd)
+#    endif
+
+#  elif defined(MAC_OS_pre_X)
+
+#    include "MacSocket.h"
+#    define SSLeay_Write(a,b,c)		MacSocket_send((a),(b),(c))
+#    define SSLeay_Read(a,b,c)		MacSocket_recv((a),(b),(c),true)
+#    define SHUTDOWN(fd)		MacSocket_close(fd)
+#    define SHUTDOWN2(fd)		MacSocket_close(fd)
+
+#  elif defined(OPENSSL_SYS_NETWARE)
+         /* NetWare uses the WinSock2 interfaces by default, but can be configured for BSD
+         */
+#      if defined(NETWARE_BSDSOCK)
+#        include <sys/socket.h>
+#        include <netinet/in.h>
+#        include <sys/time.h>
+#        include <sys/select.h>
+#        define INVALID_SOCKET (int)(~0)
+#      else
+#        include <novsock2.h>
+#      endif
+#      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); }
+
+#  else
+#    ifndef NO_SYS_PARAM_H
+#      include <sys/param.h>
+#    endif
+#    ifdef OPENSSL_SYS_VXWORKS
+#      include <time.h> 
+#    elif !defined(OPENSSL_SYS_MPE)
+#      include <sys/time.h> /* Needed under linux for FD_XXX */
+#    endif
+
+#    include <netdb.h>
+#    if defined(OPENSSL_SYS_VMS_NODECC)
+#      include <socket.h>
+#      include <in.h>
+#      include <inet.h>
+#    else
+#      include <sys/socket.h>
+#      ifdef FILIO_H
+#        include <sys/filio.h> /* Added for FIONBIO under unixware */
+#      endif
+#      include <netinet/in.h>
+#      include <arpa/inet.h>
+#    endif
+
+#    if defined(NeXT) || defined(_NEXT_SOURCE)
+#      include <sys/fcntl.h>
+#      include <sys/types.h>
+#    endif
+
+#    ifdef OPENSSL_SYS_AIX
+#      include <sys/select.h>
+#    endif
+
+#    ifdef __QNX__
+#      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); closesocket((fd)); }
+#    define SHUTDOWN2(fd)   { shutdown((fd),2); closesocket((fd)); }
+#    ifndef INVALID_SOCKET
+#    define INVALID_SOCKET	(-1)
+#    endif /* INVALID_SOCKET */
+#  endif
+#endif
+
+#if defined(__ultrix)
+#  ifndef ssize_t
+#    define ssize_t int 
+#  endif
+#endif
+
+#if defined(sun) && !defined(__svr4__) && !defined(__SVR4)
+  /* include headers first, so our defines don't break it */
+#include <stdlib.h>
+#include <string.h>
+  /* bcopy can handle overlapping moves according to SunOS 4.1.4 manpage */
+# define memmove(s1,s2,n) bcopy((s2),(s1),(n))
+# define strtoul(s,e,b) ((unsigned long int)strtol((s),(e),(b)))
+extern char *sys_errlist[]; extern int sys_nerr;
+# define strerror(errnum) \
+	(((errnum)<0 || (errnum)>=sys_nerr) ? NULL : sys_errlist[errnum])
+  /* Being signed SunOS 4.x memcpy breaks ASN1_OBJECT table lookup */
+#include "crypto/o_str.h"
+# define memcmp OPENSSL_memcmp
+#endif
+
+#ifndef OPENSSL_EXIT
+# if defined(MONOLITH) && !defined(OPENSSL_C)
+#  define OPENSSL_EXIT(n) return(n)
+# else
+#  define OPENSSL_EXIT(n) do { EXIT(n); return(n); } while(0)
+# endif
+#endif
+
+/***********************************************/
+
+/* do we need to do this for getenv.
+ * Just define getenv for use under windows */
+
+#if defined(WIN16) && !defined(SYMBIAN)
+/* 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 OPENSSL_SYS_SNI
+#define IRIX_CC_BUG	/* CDS++ up to V2.0Bsomething suffered from the same bug.*/
+#endif
+
+#if defined(OPENSSL_SYS_WINDOWS)
+#  define strcasecmp _stricmp
+#  define strncasecmp _strnicmp
+#elif defined(OPENSSL_SYS_VMS)
+/* VMS below version 7.0 doesn't have strcasecmp() */
+#  include "o_str.h"
+#  define strcasecmp OPENSSL_strcasecmp
+#  define strncasecmp OPENSSL_strncasecmp
+#  define OPENSSL_IMPLEMENTS_strncasecmp
+#elif defined(OPENSSL_SYS_OS2) && defined(__EMX__)
+#  define strcasecmp stricmp
+#  define strncasecmp strnicmp
+#elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
+#  define strcasecmp stricmp
+#  define strncasecmp strnicmp
+#else
+#  ifdef NO_STRINGS_H
+    int	strcasecmp();
+    int	strncasecmp();
+#  else
+#    include <strings.h>
+#  endif /* NO_STRINGS_H */
+#endif
+
+#if defined(OPENSSL_SYS_OS2) && defined(__EMX__)
+# include <io.h>
+# include <fcntl.h>
+# define NO_SYSLOG
+#endif
+
+/* vxworks */
+#if defined(OPENSSL_SYS_VXWORKS)
+#include <ioLib.h>
+#include <tickLib.h>
+#include <sysLib.h>
+
+#define TTY_STRUCT int
+
+#define sleep(a) taskDelay((a) * sysClkRateGet())
+
+#include <vxWorks.h>
+#include <sockLib.h>
+#include <taskLib.h>
+
+#define getpid taskIdSelf
+
+/* NOTE: these are implemented by helpers in database app!
+ * if the database is not linked, we need to implement them
+ * elswhere */
+struct hostent *gethostbyname(const char *name);
+struct hostent *gethostbyaddr(const char *addr, int length, int type);
+struct servent *getservbyname(const char *name, const char *proto);
+
+#endif
+/* end vxworks */
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
+