Commit 28c2a1ce authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Remove some dead code

parent 7a689266
......@@ -214,14 +214,14 @@ case "${host_os}" in
CPPFLAGS_save="${CPPFLAGS_save} -D_OFF_T_ -D_off_t=long"; CPPFLAGS="${CPPFLAGS_save}"
VLC_ADD_LDFLAGS([vlc],[-lws2_32 -lnetapi32 -lwinmm -mwindows])
VLC_ADD_LDFLAGS([cdda vcdx cddax],[-lwinmm])
VLC_ADD_LDFLAGS([ipv4 ipv6 access_http access_mms access_udp access_tcp access_ftp access_output_udp sap slp http stream_out_standard stream_out_rtp vod_rtsp telnet netsync growl],[-lws2_32])
VLC_ADD_LDFLAGS([access_http access_mms access_udp access_tcp access_ftp access_output_udp sap slp http stream_out_standard stream_out_rtp vod_rtsp telnet netsync growl],[-lws2_32])
fi
if test "${SYS}" = "mingwce"; then
# add ws2 for closesocket, select, recv
CPPFLAGS_save="${CPPFLAGS_save} -D_OFF_T_ -D_off_t=long"; CPPFLAGS="${CPPFLAGS_save}"
VLC_ADD_CPPFLAGS([vlc],[-Dmain(a,b)=maince(a,b)])
VLC_ADD_LDFLAGS([vlc],[-lws2 -e WinMainCRTStartup])
VLC_ADD_LDFLAGS([ipv4 ipv6 access_http access_mms access_udp access_tcp access_ftp access_output_udp sap http netsync],[-lws2])
VLC_ADD_LDFLAGS([access_http access_mms access_udp access_tcp access_ftp access_output_udp sap http netsync],[-lws2])
fi
;;
*nto*)
......@@ -249,9 +249,9 @@ case "${host_os}" in
LDFLAGS_save="${LDFLAGS_save} -lintl"; LDFLAGS="${LDFLAGS_save}"
dnl Check for BONE
if test -f /boot/beos/system/lib/libbind.so; then
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap ipv4 vlc growl],[-lbind -lsocket])
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap vlc growl],[-lbind -lsocket])
else
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap ipv4 vlc growl],[-lnet])
VLC_ADD_LDFLAGS([access_file access_ftp access_mms access_output_udp telnet netsync sap vlc growl],[-lnet])
fi
dnl Ugly check for Zeta
......@@ -444,7 +444,7 @@ fi
AC_CHECK_FUNCS(connect,,[
AC_CHECK_LIB(socket,connect,[
VLC_ADD_LDFLAGS([vlc ipv4 ipv6 cdda cddax],-lsocket)
VLC_ADD_LDFLAGS([vlc cdda cddax],-lsocket)
LIBS_socket="-lsocket"
])
])
......@@ -457,10 +457,10 @@ AC_CHECK_FUNCS(send,,[
AC_CHECK_FUNCS(gethostbyname,,[
AC_CHECK_LIB(nsl,gethostbyname,[
VLC_ADD_LDFLAGS([cdda cddax ipv4 ipv6 vlc],[-lnsl])
VLC_ADD_LDFLAGS([cdda cddax vlc],[-lnsl])
],[
AC_CHECK_LIB(bind,gethostbyname,[
VLC_ADD_LDFLAGS([ipv4 access_mms],[-lbind])
VLC_ADD_LDFLAGS([access_mms],[-lbind])
])
])
])
......@@ -545,7 +545,7 @@ fi
AC_CHECK_FUNCS(inet_aton,,[
AC_CHECK_LIB(resolv,inet_aton,[
VLC_ADD_LDFLAGS([ipv4 vlc],[-lresolv])
VLC_ADD_LDFLAGS([vlc],[-lresolv])
])
])
......@@ -1115,7 +1115,7 @@ VLC_ADD_PLUGINS([playlist export sgimb nsc xtag])
VLC_ADD_PLUGINS([i420_rgb rawvideo blend scale image logo magnify puzzle colorthres])
VLC_ADD_PLUGINS([wav araw subtitle vobsub adpcm a52sys dtssys au ty voc xa nuv])
VLC_ADD_PLUGINS([access_directory access_file access_udp access_tcp])
VLC_ADD_PLUGINS([access_http access_mms access_ftp ipv4])
VLC_ADD_PLUGINS([access_http access_mms access_ftp])
VLC_ADD_PLUGINS([packetizer_mpegvideo packetizer_h264])
VLC_ADD_PLUGINS([packetizer_mpeg4video packetizer_mpeg4audio])
......@@ -2334,22 +2334,6 @@ AC_CHECK_FUNCS(inet_pton,[have_ipv6=yes],[
AS_IF([test "${have_ipv6}" = "yes"], [
AC_DEFINE(HAVE_INET_PTON, 1, [Define to 1 if you have inet_pton().])])
if test "${SYS}" != "nto" &&
test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
then
AC_MSG_CHECKING(for sockaddr_in6 in netinet/in.h)
AC_EGREP_HEADER(sockaddr_in6,netinet/in.h,
[AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no); have_ipv6=no])
AS_IF([test "${have_ipv6}" != "no"], [
VLC_ADD_PLUGINS([ipv6])])
fi
if test "${SYS}" = "mingw32"
then
AC_MSG_CHECKING(for getaddrinfo in ws2tcpip.h)
AC_EGREP_HEADER(addrinfo,ws2tcpip.h,[AC_MSG_RESULT(yes)
VLC_ADD_PLUGINS([ipv6])],[AC_MSG_RESULT(no)])
fi
dnl
dnl ogg demux plugin
dnl
......@@ -5653,7 +5637,6 @@ AC_CONFIG_FILES([
modules/misc/Makefile
modules/misc/dummy/Makefile
modules/misc/memcpy/Makefile
modules/misc/network/Makefile
modules/misc/notify/Makefile
modules/misc/testsuite/Makefile
modules/misc/playlist/Makefile
......
......@@ -62,25 +62,6 @@ extern const char *net_strerror( int val );
extern "C" {
# endif
/*****************************************************************************
* network_socket_t: structure passed to a network plug-in to define the
* kind of socket we want
*****************************************************************************/
struct network_socket_t
{
const char *psz_bind_addr;
int i_bind_port;
const char *psz_server_addr;
int i_server_port;
int i_ttl;
/* Return values */
int i_handle;
size_t i_mtu;
};
/* Portable networking layer communication */
int net_Socket (vlc_object_t *obj, int family, int socktype, int proto);
......
SOURCES_ipv4 = ipv4.c
SOURCES_ipv6 = ipv6.c
/*****************************************************************************
* ipv4.c: IPv4 network abstraction layer
*****************************************************************************
* Copyright (C) 2001-2006 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Mathias Kretschmer <mathias@research.att.com>
* Alexis de Lattre <alexis@via.ecp.fr>
* Rémi Denis-Courmont <rem # videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <vlc/vlc.h>
#include <errno.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#if defined(WIN32) || defined(UNDER_CE)
# if defined(UNDER_CE) && defined(sockaddr_storage)
# undef sockaddr_storage
# endif
# include <winsock2.h>
# include <ws2tcpip.h>
# include <iphlpapi.h>
# define close closesocket
# if defined(UNDER_CE)
# undef IP_MULTICAST_TTL
# define IP_MULTICAST_TTL 3
# undef IP_ADD_MEMBERSHIP
# define IP_ADD_MEMBERSHIP 5
# endif
#else
# include <netdb.h> /* hostent ... */
# include <sys/socket.h>
# include <netinet/in.h>
# ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h> /* inet_ntoa(), inet_aton() */
# endif
#endif
#include "network.h"
#ifndef INADDR_ANY
# define INADDR_ANY 0x00000000
#endif
#ifndef INADDR_NONE
# define INADDR_NONE 0xFFFFFFFF
#endif
#ifndef IN_MULTICAST
# define IN_MULTICAST(a) IN_CLASSD(a)
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenUDP( vlc_object_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_shortname( "IPv4" );
set_description( _("UDP/IPv4 network abstraction layer") );
set_capability( "network", 50 );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_GENERAL );
set_callbacks( OpenUDP, NULL );
vlc_module_end();
/*****************************************************************************
* BuildAddr: utility function to build a struct sockaddr_in
*****************************************************************************/
static int BuildAddr( vlc_object_t *p_obj, struct sockaddr_in * p_socket,
const char * psz_address, int i_port )
{
struct addrinfo hints, *res;
int i_val;
memset( &hints, 0, sizeof( hints ) );
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_PASSIVE;
msg_Dbg( p_obj, "resolving %s:%d...", psz_address, i_port );
i_val = vlc_getaddrinfo( p_obj, psz_address, i_port, &hints, &res );
if( i_val )
{
msg_Warn( p_obj, "%s: %s", psz_address, vlc_gai_strerror( i_val ) );
return -1;
}
/* Copy the first address of the host in the socket address */
memcpy( p_socket, res->ai_addr, sizeof( *p_socket ) );
vlc_freeaddrinfo( res );
return( 0 );
}
#if defined(WIN32) || defined(UNDER_CE)
# define WINSOCK_STRERROR_SIZE 20
static const char *winsock_strerror( char *buf )
{
snprintf( buf, WINSOCK_STRERROR_SIZE, "Winsock error %d",
WSAGetLastError( ) );
buf[WINSOCK_STRERROR_SIZE - 1] = '\0';
return buf;
}
#endif
/*****************************************************************************
* OpenUDP: open a UDP socket
*****************************************************************************
* psz_bind_addr, i_bind_port : address and port used for the bind()
* system call. If psz_bind_addr == "", the socket is bound to
* INADDR_ANY and broadcast reception is enabled. If psz_bind_addr is a
* multicast (class D) address, join the multicast group.
* psz_server_addr, i_server_port : address and port used for the connect()
* system call. It can avoid receiving packets from unauthorized IPs.
* Its use leads to great confusion and is currently discouraged.
* This function returns -1 in case of error.
*****************************************************************************/
static int OpenUDP( vlc_object_t * p_this )
{
network_socket_t * p_socket = p_this->p_private;
const char * psz_bind_addr = p_socket->psz_bind_addr;
int i_bind_port = p_socket->i_bind_port;
const char * psz_server_addr = p_socket->psz_server_addr;
int i_server_port = p_socket->i_server_port;
int i_handle, i_opt;
struct sockaddr_in sock;
vlc_value_t val;
#if defined(WIN32) || defined(UNDER_CE)
char strerror_buf[WINSOCK_STRERROR_SIZE];
# define strerror( x ) winsock_strerror( strerror_buf )
#endif
p_socket->i_handle = -1;
/* Build the local socket */
if( BuildAddr( p_this, &sock, psz_bind_addr, i_bind_port ) == -1 )
return VLC_EGENERIC;
/* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
* protocol */
if( (i_handle = socket( AF_INET, SOCK_DGRAM, 0 )) == -1 )
{
msg_Err( p_this, "cannot create socket (%s)", strerror(errno) );
return VLC_EGENERIC;
}
/* We may want to reuse an already used socket */
i_opt = 1;
setsockopt( i_handle, SOL_SOCKET, SO_REUSEADDR, (void *) &i_opt,
sizeof( i_opt ) );
#ifdef SO_REUSEPORT
i_opt = 1;
setsockopt( i_handle, SOL_SOCKET, SO_REUSEPORT, (void *) &i_opt,
sizeof( i_opt ) );
#endif
/* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
* packet loss caused by scheduling problems */
#ifdef SO_RCVBUF
i_opt = 0x80000;
if( setsockopt( i_handle, SOL_SOCKET, SO_RCVBUF, (void *) &i_opt,
sizeof( i_opt ) ) == -1 )
msg_Dbg( p_this, "cannot configure socket (SO_RCVBUF: %s)",
strerror(errno));
i_opt = 0x80000;
if( setsockopt( i_handle, SOL_SOCKET, SO_SNDBUF, (void *) &i_opt,
sizeof( i_opt ) ) == -1 )
msg_Dbg( p_this, "cannot configure socket (SO_SNDBUF: %s)",
strerror(errno));
#endif
#if defined( WIN32 ) || defined( UNDER_CE )
/*
* Under Win32 and for multicasting, we bind to INADDR_ANY.
* This is of course a severe bug, since the socket would logically
* receive unicast traffic, and multicast traffic of groups subscribed
* to via other sockets. How this actually works in Winsock, I don't
* know.
*/
if( IN_MULTICAST( ntohl( sock.sin_addr.s_addr ) ) )
{
struct sockaddr_in stupid = sock;
stupid.sin_addr.s_addr = INADDR_ANY;
if( bind( i_handle, (struct sockaddr *)&stupid, sizeof( stupid ) ) < 0 )
{
msg_Err( p_this, "cannot bind socket (%d)", WSAGetLastError() );
goto error;
}
}
else
#endif
/* Bind it */
if( bind( i_handle, (struct sockaddr *)&sock, sizeof( sock ) ) < 0 )
{
msg_Err( p_this, "cannot bind socket (%s)", strerror(errno) );
goto error;
}
#if !defined( SYS_BEOS )
/* Allow broadcast reception if we bound on INADDR_ANY */
if( !*psz_bind_addr )
{
i_opt = 1;
if( setsockopt( i_handle, SOL_SOCKET, SO_BROADCAST, (void*) &i_opt,
sizeof( i_opt ) ) == -1 )
msg_Warn( p_this, "cannot configure socket (SO_BROADCAST: %s)",
strerror(errno) );
}
#endif
#ifdef IP_ADD_SOURCE_MEMBERSHIP
/* Join the multicast group if the socket is a multicast address */
if( IN_MULTICAST( ntohl(sock.sin_addr.s_addr) ) )
{
/* Determine interface to be used for multicast */
char * psz_if_addr = config_GetPsz( p_this, "miface-addr" );
/* If we have a source address, we use IP_ADD_SOURCE_MEMBERSHIP
so that IGMPv3 aware OSes running on IGMPv3 aware networks
will do an IGMPv3 query on the network */
struct ip_mreq_source imr =
{
.imr_multiaddr.s_addr = sock.sin_addr.s_addr,
.imr_sourceaddr.s_addr = inet_addr(psz_server_addr)
};
if( psz_if_addr != NULL && *psz_if_addr
&& inet_addr(psz_if_addr) != INADDR_NONE )
imr.imr_interface.s_addr = inet_addr(psz_if_addr);
else
imr.imr_interface.s_addr = INADDR_ANY;
if( psz_if_addr != NULL )
free( psz_if_addr );
msg_Dbg( p_this, "IP_ADD_SOURCE_MEMBERSHIP multicast request" );
/* Join Multicast group with source filter */
if( setsockopt( i_handle, IPPROTO_IP, IP_ADD_SOURCE_MEMBERSHIP,
(void*)&imr,
sizeof(struct ip_mreq_source) ) == -1 )
{
msg_Err( p_this, "Source specific multicast failed (%s) -"
"check if your OS really supports IGMPv3",
strerror(errno) );
goto error;
}
}
else
#endif
{
/* Build socket for remote connection */
if ( BuildAddr( p_this, &sock, psz_server_addr, i_server_port ) == -1 )
{
msg_Err( p_this, "cannot build remote address" );
goto error;
}
/* Connect the socket */
if( connect( i_handle, (struct sockaddr *) &sock,
sizeof( sock ) ) == (-1) )
{
msg_Err( p_this, "cannot connect socket (%s)", strerror(errno) );
goto error;
}
#ifdef IP_MULTICAST_IF
if( IN_MULTICAST( ntohl(inet_addr(psz_server_addr) ) ) )
{
/* set the time-to-live */
int i_ttl = p_socket->i_ttl;
/* set the multicast interface */
char * psz_mif_addr = config_GetPsz( p_this, "miface-addr" );
if( psz_mif_addr )
{
struct in_addr intf;
intf.s_addr = inet_addr(psz_mif_addr);
free( psz_mif_addr );
if( setsockopt( i_handle, IPPROTO_IP, IP_MULTICAST_IF,
&intf, sizeof( intf ) ) < 0 )
{
msg_Err( p_this, "failed to set multicast interface (%s).", strerror(errno) );
goto error;
}
}
if( i_ttl <= 0 )
i_ttl = config_GetInt( p_this, "ttl" );
if( i_ttl > 0 )
{
unsigned char ttl = (unsigned char) i_ttl;
/* There is some confusion in the world whether IP_MULTICAST_TTL
* takes a byte or an int as an argument.
* BSD seems to indicate byte so we are going with that and use
* int as a fallback to be safe */
if( setsockopt( i_handle, IPPROTO_IP, IP_MULTICAST_TTL,
&ttl, sizeof( ttl ) ) < 0 )
{
msg_Dbg( p_this, "failed to set ttl (%s). Let's try it "
"the integer way.", strerror(errno) );
if( setsockopt( i_handle, IPPROTO_IP, IP_MULTICAST_TTL,
&i_ttl, sizeof( i_ttl ) ) <0 )
{
msg_Err( p_this, "failed to set ttl (%s)",
strerror(errno) );
goto error;
}
}
}
}
#endif
}
p_socket->i_handle = i_handle;
if( var_Get( p_this, "mtu", &val ) != VLC_SUCCESS )
{
var_Create( p_this, "mtu", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "mtu", &val );
}
p_socket->i_mtu = val.i_int;
return 0;
error:
close (i_handle);
return VLC_EGENERIC;
}
/*****************************************************************************
* ipv6.c: IPv6 network abstraction layer
*****************************************************************************
* Copyright (C) 2002-2006 the VideoLAN team
* $Id$
*
* Authors: Alexis Guillard <alexis.guillard@bt.com>
* Christophe Massiot <massiot@via.ecp.fr>
* Remco Poortinga <poortinga@telin.nl>
* Rémi Denis-Courmont <rem # videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <vlc/vlc.h>
#include <errno.h>
#ifdef WIN32
# include <winsock2.h>
# include <ws2tcpip.h>
# define if_nametoindex( str ) atoi( str )
static const struct in6_addr in6addr_any = {{IN6ADDR_ANY_INIT}};
# define close closesocket
# ifndef MCAST_JOIN_SOURCE_GROUP
/*
* I hate manual definitions: Error-prone. Portability hell.
* Developers shall use UP-TO-DATE compilers. Full point.
* If you remove the warning, you remove the whole ifndef.
*/
# warning Your C headers are out-of-date. Please update.
/* Most (all?) Mingw32 versions in use are yet to pick up Vista stuff */
# define MCAST_JOIN_SOURCE_GROUP 45 /* from <ws2ipdef.h> */
struct group_source_req
{
uint32_t gsr_interface; /* interface index */
struct sockaddr_storage gsr_group; /* group address */
struct sockaddr_storage gsr_source; /* source address */
};
# endif
# ifndef IPV6_PROTECTION_LEVEL
# warning Your C headers are out-of-date. Please update.
# endif
#else
# include <sys/types.h>
# include <unistd.h>
# include <netdb.h> /* hostent ... */
# include <sys/socket.h>
# include <netinet/in.h>
# include <net/if.h>
#endif
#include "network.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenUDP( vlc_object_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("UDP/IPv6 network abstraction layer") );
set_capability( "network", 40 );
set_callbacks( OpenUDP, NULL );
vlc_module_end();
/*****************************************************************************
* BuildAddr: utility function to build a struct sockaddr_in6
*****************************************************************************/
static int BuildAddr( vlc_object_t *p_this, struct sockaddr_in6 *p_socket,
const char *psz_address, int i_port )
{
struct addrinfo hints, *res;
int i;
memset( &hints, 0, sizeof( hints ) );
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_PASSIVE;
i = vlc_getaddrinfo( p_this, psz_address, 0, &hints, &res );
if( i )
{
msg_Dbg( p_this, "%s: %s", psz_address, vlc_gai_strerror( i ) );
return -1;
}
if ( res->ai_addrlen > sizeof (struct sockaddr_in6) )
{
vlc_freeaddrinfo( res );
return -1;
}
memcpy( p_socket, res->ai_addr, res->ai_addrlen );
vlc_freeaddrinfo( res );
p_socket->sin6_port = htons( i_port );
return 0;
}
#if defined(WIN32) || defined(UNDER_CE)
# define WINSOCK_STRERROR_SIZE 20
static const char *winsock_strerror( char *buf )
{
snprintf( buf, WINSOCK_STRERROR_SIZE, "Winsock error %d",
WSAGetLastError( ) );
buf[WINSOCK_STRERROR_SIZE - 1] = '\0';
return buf;
}
#endif
/*****************************************************************************
* OpenUDP: open a UDP socket
*****************************************************************************
* psz_bind_addr, i_bind_port : address and port used for the bind()
* system call. If psz_bind_addr == NULL, the socket is bound to
* in6addr_any and broadcast reception is enabled. If psz_bind_addr is a
* multicast (FF00::/8) address, join the multicast group.
* psz_server_addr, i_server_port : address and port used for the connect()
* system call. It can avoid receiving packets from unauthorized IPs.
* Its use leads to great confusion and is currently discouraged.
* This function returns -1 in case of error.
*****************************************************************************/
static int OpenUDP( vlc_object_t * p_this )
{
network_socket_t *p_socket = p_this->p_private;
const char *psz_bind_addr = p_socket->psz_bind_addr;
int i_bind_port = p_socket->i_bind_port;
const char *psz_server_addr = p_socket->psz_server_addr;
int i_server_port = p_socket->i_server_port;
int i_handle, i_opt;
struct sockaddr_in6 sock;
vlc_value_t val;
#if defined(WIN32) || defined(UNDER_CE)
char strerror_buf[WINSOCK_STRERROR_SIZE];
# define strerror( x ) winsock_strerror( strerror_buf )
#endif