/*

 * Copyright 1995-2019 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 OSSL_INTERNAL_SOCKETS_H

# define OSSL_INTERNAL_SOCKETS_H

# if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)

#  define NO_SYS_PARAM_H

# endif

# ifdef WIN32

#  define NO_SYS_UN_H

# endif

# ifdef OPENSSL_SYS_VMS

#  define NO_SYS_PARAM_H

#  define NO_SYS_UN_H

# endif

# ifdef OPENSSL_NO_SOCK

# elif defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)

#  if defined(__DJGPP__)

#   include <sys/socket.h>

#   include <sys/un.h>

#   include <tcp.h>

#   include <netdb.h>

#  elif defined(_WIN32_WCE) && _WIN32_WCE<410

#   define getservbyname _masked_declaration_getservbyname

#  endif

#  if !defined(IPPROTO_IP)

    /* winsock[2].h was included already? */

#   include <winsock.h>

#  endif

#  ifdef getservbyname

     /* this is used to be wcecompat/include/winsock_extras.h */

#   undef getservbyname

struct servent *PASCAL getservbyname(const char *, const char *);

#  endif

#  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. And we also depend on fact that all processors

 * Windows run on happen to be two's-complement, which allows to

 * interchange INVALID_SOCKET and -1.

 */

#   define socket(d,t,p)   ((int)socket(d,t,p))

#   define accept(s,f,l)   ((int)accept(s,f,l))

#  endif

# else

#  ifndef NO_SYS_PARAM_H

#   include <sys/param.h>

#  endif

#  ifdef OPENSSL_SYS_VXWORKS

#   include <time.h>

#  endif

#  include <netdb.h>

#  if defined(OPENSSL_SYS_VMS_NODECC)

#   include <socket.h>

#   include <in.h>

#   include <inet.h>

#  else

#   include <sys/socket.h>

#   ifndef NO_SYS_UN_H

#    include <sys/un.h>

#    ifndef UNIX_PATH_MAX

#     define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path)

#    endif

#   endif

#   ifdef FILIO_H

#    include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */

#   endif

#   include <netinet/in.h>

#   include <arpa/inet.h>

#   include <netinet/tcp.h>

#  endif

#  ifdef OPENSSL_SYS_AIX

#   include <sys/select.h>

#  endif

#  ifndef VMS

#   include <sys/ioctl.h>

#  else

#   if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)

     /* ioctl is only in VMS > 7.0 and when socketshr is not used */

#    include <sys/ioctl.h>

#   endif

#   include <unixio.h>

#   if defined(TCPIP_TYPE_SOCKETSHR)

#    include <socketshr.h>

#   endif

#  endif

#  ifndef INVALID_SOCKET

#   define INVALID_SOCKET      (-1)

#  endif

# endif

/*

 * Some IPv6 implementations are broken, you can disable them in known

 * bad versions.

 */

# if !defined(OPENSSL_USE_IPV6)

#  if defined(AF_INET6)

#   define OPENSSL_USE_IPV6 1

#  else

#   define OPENSSL_USE_IPV6 0

#  endif

# endif

# define get_last_socket_error() errno

# define clear_socket_error()    errno=0

# if defined(OPENSSL_SYS_WINDOWS)

#  undef get_last_socket_error

#  undef clear_socket_error

#  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)

# elif defined(__DJGPP__)

#  define WATT32

#  define WATT32_NO_OLDIES

#  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(OPENSSL_SYS_VMS)

#  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 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))

# else

#  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

#endif