/* 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

#if defined(NOCONST)
#define const
#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

#if defined(__OS2__)
#  ifndef OS2
#    define OS2
#  endif
#  ifndef MSDOS
#    define MSDOS
#  endif
#  ifndef THREADS
#    define THREADS
#  endif
#  define gmtime_r gmtime
#endif

#  define DLL_EXPORT


#ifdef WIN32
#define get_last_sys_error()    GetLastError()
#define clear_sys_error()       SetLastError(0)
#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)
#elif defined(OS2)
#define get_last_socket_error() sock_errno()
#define clear_socket_error()
#define ioctlsocket(a,b,c)      ioctl(a,b,c,sizeof(&c))
#else
#define get_last_socket_error() errno
#define clear_socket_error()    errno=0
#define ioctlsocket(a,b,c)      ioctl(a,b,c)
#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(OS2) || defined(MSDOS)

#ifndef OS2
#if 0
#ifndef S_IFDIR
#define S_IFDIR _S_IFDIR
#endif

#ifndef S_IFMT
#define S_IFMT  _S_IFMT
#endif
#endif

#define strncasecmp(a,b,c)      strnicmp((a),(b),(c))
#endif

#  if defined(WINDOWS) || defined(OS2)
#    ifdef WINDOWS
#      include <windows.h>
#    else
#      include <os2.h>
#      define SSLeay_getpid()   getpid()
#      include <io.h>
#      include <fcntl.h>
#    endif
#    include <stddef.h>
#    ifdef WINDOWS
#      include <errno.h>
#    else
#      include <nerrno.h>
#    endif
#    include <string.h>
#    include <malloc.h>
#  endif
#  include <io.h>
#  include <fcntl.h>

#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 SSLEAY_CONF   "ssleay.cnf"
#  define NUL_DEV       "nul"
#  define RFILE         ".rnd"

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

#  ifdef VMS
#    include <unixlib.h>
#  else
#    include <unistd.h>
#  endif

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

#  define SSLeay_getpid()       getpid()

#endif

#ifdef __WATCOMC__
#  define _setmode      setmode
#  ifndef _O_TEXT
#    define _O_TEXT     O_TEXT
#    define _O_BINARY   O_BINARY
#  endif
#endif

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

#ifdef USE_SOCKETS
#  if defined(WINDOWS) || defined(OS2) || 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)
#    elif defined(OS2)
#      ifndef BSD_SELECT
#        define BSD_SELECT
#      endif
#      include <netdb.h>
#      include <types.h>
#      include <sys/socket.h>
#      include <sys/time.h>
#      include <netinet/in.h>
#      include <sys/select.h>
#      include <sys/ioctl.h>
#      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); soclose(fd); }
#      define SHUTDOWN2(fd)             { shutdown((fd),2); soclose(fd); }
#      define INVALID_SOCKET            -1
#    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

#    ifndef VMS
      /* unix world */
#      include <netdb.h>
#      include <sys/types.h>
#      include <sys/socket.h>
#      ifdef FILIO_H
#        include <sys/filio.h> /* Added for FIONBIO under unixware */
#      endif
#      include <sys/param.h>
#      include <sys/time.h> /* Needed under linux for FD_XXX */
#      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
#      include <sys/ioctl.h>
#    endif

#    ifdef VMS
#      include <unixio.h>
#    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

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

#ifndef NOPROTO
#define P_CC_CC const void *,const void *
#define P_I_I           int,int
#define P_I_I_P         int,int,char *
#define P_I_I_P_I       int,int,char *,int
#define P_IP_I_I_P_I    int *,int,int,char *,int
#define P_V             void
#else
#define P_CC_CC
#define P_I_I
#define P_I_I_P
#define P_IP_I_I_P_I
#define P_I_I_P_I
#define P_V
#endif

/* not used yet */
#define CS_BEGIN
#define CS_END

/* 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

