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mswindows.h

/* Declarations for windows
   Copyright (C) 1995, 1997, 1997, 1998, 2004
   Free Software Foundation, Inc.

This file is part of GNU Wget.

GNU Wget 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.

GNU Wget 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 Wget; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

In addition, as a special exception, the Free Software Foundation
gives permission to link the code of its release of Wget with the
OpenSSL project's "OpenSSL" library (or with modified versions of it
that use the same license as the "OpenSSL" library), and distribute
the linked executables.  You must obey the GNU General Public License
in all respects for all of the code used other than "OpenSSL".  If you
modify this file, you may extend this exception to your version of the
file, but you are not obligated to do so.  If you do not wish to do
so, delete this exception statement from your version.  */

#ifndef MSWINDOWS_H
#define MSWINDOWS_H

#ifndef WGET_H
#error Include mswindows.h inside or after "wget.h"
#endif

/* Prevent inclusion of <winsock*.h> in <windows.h>.  */
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <windows.h>

/* Use the correct winsock header; <ws2tcpip.h> includes <winsock2.h> only
   on Watcom/MingW.  We cannot use <winsock.h> for IPv6.  Using
   getaddrinfo() requires <ws2tcpip.h>.  */
#if defined(ENABLE_IPV6) || defined(HAVE_GETADDRINFO)
# include <winsock2.h>
# include <ws2tcpip.h>
#else
# include <winsock.h>
#endif

#ifndef EAI_SYSTEM
# define EAI_SYSTEM -1   /* value doesn't matter */
#endif

/* Must include <sys/stat.h> because of 'stat' define below.  */
#include <sys/stat.h>

/* Missing in several .c files.  Include here.  */
#include <io.h>

/* Apparently needed for alloca().  */
#include <malloc.h>

#ifndef S_ISDIR
# define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
#endif
#ifndef S_ISLNK
# define S_ISLNK(a) 0
#endif

/* We have strcasecmp and strncasecmp, just under a different name.  */
#define strcasecmp stricmp
#define strncasecmp strnicmp

/* The same for snprintf() and vsnprintf().  */
#define snprintf _snprintf
#define vsnprintf _vsnprintf

/* Define a wgint type under Windows. */
typedef __int64 wgint;
#define SIZEOF_WGINT 8

#ifdef __GNUC__
#define WGINT_MAX 9223372036854775807LL
#else
#define WGINT_MAX 9223372036854775807I64
#endif

#if defined __MINGW32__
# define str_to_wgint strtoll
#elif defined(_MSC_VER) && _MSC_VER >= 1300 && !defined(__BORLANDC__)
# define str_to_wgint _strtoi64
#else
# define str_to_wgint strtoll
# define NEED_STRTOLL
# define strtoll_return __int64
#endif

/* Windows has no symlink, therefore no lstat.  Without symlinks lstat
   is equivalent to stat anyway.  */
#define lstat stat

/* Transparently support statting large files, like POSIX's LFS API
   does.  All Windows compilers we support use _stati64 (but have
   different names for 2nd argument type, see below), so we use
   that.  */
#define stat(fname, buf) _stati64 (fname, buf)

/* On Windows the 64-bit stat requires an explicitly different type
   for the 2nd argument, so we define a struct_stat macro that expands
   to the appropriate type on Windows, and to the regular struct stat
   on Unix.

   Note that Borland C 5.5 has 64-bit stat (_stati64), but not a
   64-bit fstat!  Because of that we also need a struct_fstat that
   points to struct_stat on Unix and on Windows, except under Borland,
   where it points to the 32-bit struct stat.  */

#ifndef __BORLANDC__
# define fstat(fd, buf) _fstati64 (fd, buf)
# define struct_stat  struct _stati64
# define struct_fstat struct _stati64
#else  /* __BORLANDC__ */
# define struct_stat  struct stati64
# define struct_fstat struct stat
#endif /* __BORLANDC__ */

#define PATH_SEPARATOR '\\'

#ifdef HAVE_ISATTY
#ifdef _MSC_VER
# define isatty _isatty
#endif
#endif

/* #### Do we need this?  */
#include <direct.h>

/* Windows compilers accept only one arg to mkdir.  */
#define mkdir(a, b) _mkdir(a)

#ifndef INHIBIT_WRAP

/* Winsock functions don't set errno, so we provide wrappers
   that do. */

#define socket wrapped_socket
#define bind wrapped_bind
#define connect wrapped_connect
#define listen wrapped_listen
#define accept wrapped_accept
#define recv wrapped_recv
#define send wrapped_send
#define select wrapped_select
#define getsockname wrapped_getsockname
#define getpeername wrapped_getpeername
#define setsockopt wrapped_setsockopt
#define closesocket wrapped_closesocket

#endif /* not INHIBIT_WRAP */

int wrapped_socket (int, int, int);
int wrapped_bind (int, struct sockaddr *, int);
int wrapped_connect (int, const struct sockaddr *, int);
int wrapped_listen (int s, int backlog);
int wrapped_accept (int s, struct sockaddr *a, int *alen);
int wrapped_recv (int, void *, int, int);
int wrapped_send (int, const void *, int, int);
int wrapped_select (int, fd_set *, fd_set *, fd_set *, const struct timeval *);
int wrapped_getsockname (int, struct sockaddr *, int *);
int wrapped_getpeername (int, struct sockaddr *, int *);
int wrapped_setsockopt (int, int, int, const void *, int);
int wrapped_closesocket (int);

/* Finally, provide a private version of strerror that does the
   right thing with Winsock errors. */
#ifndef INHIBIT_WRAP
# define strerror windows_strerror
#endif
const char *windows_strerror (int);

/* MingW 3.7 (or older) prototypes gai_strerror(), but is missing
   from all import libraries. */
#if defined(__MINGW32__) && defined(ENABLE_IPV6)
# undef gai_strerror
# define gai_strerror windows_strerror
#endif

/* Declarations of various socket errors:  */

#define EWOULDBLOCK             WSAEWOULDBLOCK
#define EINPROGRESS             WSAEINPROGRESS
#define EALREADY                WSAEALREADY
#define ENOTSOCK                WSAENOTSOCK
#define EDESTADDRREQ            WSAEDESTADDRREQ
#define EMSGSIZE                WSAEMSGSIZE
#define EPROTOTYPE              WSAEPROTOTYPE
#define ENOPROTOOPT             WSAENOPROTOOPT
#define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
#define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
#define EOPNOTSUPP              WSAEOPNOTSUPP
#define EPFNOSUPPORT            WSAEPFNOSUPPORT
#define EAFNOSUPPORT            WSAEAFNOSUPPORT
#define EADDRINUSE              WSAEADDRINUSE
#define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
#define ENETDOWN                WSAENETDOWN
#define ENETUNREACH             WSAENETUNREACH
#define ENETRESET               WSAENETRESET
#define ECONNABORTED            WSAECONNABORTED
#define ECONNRESET              WSAECONNRESET
#define ENOBUFS                 WSAENOBUFS
#define EISCONN                 WSAEISCONN
#define ENOTCONN                WSAENOTCONN
#define ESHUTDOWN               WSAESHUTDOWN
#define ETOOMANYREFS            WSAETOOMANYREFS
#define ETIMEDOUT               WSAETIMEDOUT
#define ECONNREFUSED            WSAECONNREFUSED
#define ELOOP                   WSAELOOP
#define EHOSTDOWN               WSAEHOSTDOWN
#define EHOSTUNREACH            WSAEHOSTUNREACH
#define EPROCLIM                WSAEPROCLIM
#define EUSERS                  WSAEUSERS
#define EDQUOT                  WSAEDQUOT
#define ESTALE                  WSAESTALE
#define EREMOTE                 WSAEREMOTE

/* Public functions.  */

void ws_startup (void);
void ws_changetitle (const char *);
void ws_percenttitle (double);
char *ws_mypath (void);
void windows_main (int *, char **, char **);

/* Things needed for IPv6; missing in <ws2tcpip.h>.  */
#ifdef ENABLE_IPV6
# ifndef HAVE_INET_NTOP
extern const char *inet_ntop (int af, const void *src, char *dst, size_t size);
# endif
#endif /* ENABLE_IPV6 */

#endif /* MSWINDOWS_H */

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