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/*

 * tclWinPort.h --

 *

 *      This header file handles porting issues that occur because of

 *      differences between Windows and Unix. It should be the only

 *      file that contains #ifdefs to handle different flavors of OS.

 *

 * Copyright (c) 1994-1996 Sun Microsystems, Inc.

 *

 * See the file "license.terms" for information on usage and redistribution

 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

 *

 * RCS: @(#) $Id: tclWinPort.h,v 1.1.1.1 2002-01-16 10:25:39 markom Exp $

 */

#ifndef _TCLWINPORT

#define _TCLWINPORT

#define WIN32_LEAN_AND_MEAN

#define __USE_W32_SOCKETS

#include <windows.h>

#undef WIN32_LEAN_AND_MEAN

#include <winsock.h>

#include <malloc.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <errno.h>

#include <process.h>

#include <signal.h>

#include <sys/stat.h>

#include <sys/timeb.h>

#include <time.h>

#include <io.h>

#include <fcntl.h>

#include <float.h>

#ifdef _MSC_VER

#define PASCAL

#endif

#ifdef BUILD_tcl

# undef TCL_STORAGE_CLASS

# define TCL_STORAGE_CLASS DLLEXPORT

#endif

/*

 * Define EINPROGRESS in terms of WSAEINPROGRESS.

 */

#ifndef EINPROGRESS

#define EINPROGRESS WSAEINPROGRESS

#endif

/*

 * If ENOTSUP is not defined, define it to a value that will never occur.

 */

#ifndef ENOTSUP

#define ENOTSUP         -1030507

#endif

/*

 * The following defines wrap the system memory allocation routines for

 * use by tclAlloc.c.

 */

/* On cygwin, we just use the supplied malloc and free, rather than

   using tclAlloc.c.  The cygwin32 malloc is derived from the same

   sources as tclAlloc.c, anyhow.  */

#ifdef __CYGWIN__

#define TclpAlloc(size)         malloc(size)

#define TclpFree(ptr)           free(ptr)

#define TclpRealloc(ptr, size)  realloc(ptr, size)

#else

#define TclpSysAlloc(size, isBin)       ((void*)HeapAlloc(GetProcessHeap(), \

                                            (DWORD)0, (DWORD)size))

#define TclpSysFree(ptr)                (HeapFree(GetProcessHeap(), \

                                            (DWORD)0, (HGLOBAL)ptr))

#define TclpSysRealloc(ptr, size)       ((void*)HeapReAlloc(GetProcessHeap(), \

                                            (DWORD)0, (LPVOID)ptr, (DWORD)size))

#endif

/*

 * The default platform eol translation on Windows is TCL_TRANSLATE_CRLF:

 */

#define TCL_PLATFORM_TRANSLATION        TCL_TRANSLATE_CRLF

/*

 * Declare dynamic loading extension macro.

 */

#define TCL_SHLIB_EXT ".dll"

/*

 * Supply definitions for macros to query wait status, if not already

 * defined in header files above.

 */

#if TCL_UNION_WAIT

#   define WAIT_STATUS_TYPE union wait

#else

#   define WAIT_STATUS_TYPE int

#endif

#ifndef WIFEXITED

#   define WIFEXITED(stat)  (((*((int *) &(stat))) & 0xff) == 0)

#endif

#ifndef WEXITSTATUS

#   define WEXITSTATUS(stat) (((*((int *) &(stat))) >> 8) & 0xff)

#endif

#ifndef WIFSIGNALED

#   define WIFSIGNALED(stat) (((*((int *) &(stat)))) && ((*((int *) &(stat))) == ((*((int *) &(stat))) & 0x00ff)))

#endif

#ifndef WTERMSIG

#   define WTERMSIG(stat)    ((*((int *) &(stat))) & 0x7f)

#endif

#ifndef WIFSTOPPED

#   define WIFSTOPPED(stat)  (((*((int *) &(stat))) & 0xff) == 0177)

#endif

#ifndef WSTOPSIG

#   define WSTOPSIG(stat)    (((*((int *) &(stat))) >> 8) & 0xff)

#endif

/*

 * Define constants for waitpid() system call if they aren't defined

 * by a system header file.

 */

#ifndef WNOHANG

#   define WNOHANG 1

#endif

#ifndef WUNTRACED

#   define WUNTRACED 2

#endif

/*

 * Define MAXPATHLEN in terms of MAXPATH if available

 */

#ifndef MAXPATH

#define MAXPATH MAX_PATH

#endif /* MAXPATH */

#ifndef MAXPATHLEN

#define MAXPATHLEN MAXPATH

#endif /* MAXPATHLEN */

#ifndef F_OK

#    define F_OK 00

#endif

#ifndef X_OK

#    define X_OK 01

#endif

#ifndef W_OK

#    define W_OK 02

#endif

#ifndef R_OK

#    define R_OK 04

#endif

/*

 * Define macros to query file type bits, if they're not already

 * defined.

 */

#ifndef S_ISREG

#   ifdef S_IFREG

#       define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)

#   else

#       define S_ISREG(m) 0

#   endif

# endif

#ifndef S_ISDIR

#   ifdef S_IFDIR

#       define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)

#   else

#       define S_ISDIR(m) 0

#   endif

# endif

#ifndef S_ISCHR

#   ifdef S_IFCHR

#       define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)

#   else

#       define S_ISCHR(m) 0

#   endif

# endif

#ifndef S_ISBLK

#   ifdef S_IFBLK

#       define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)

#   else

#       define S_ISBLK(m) 0

#   endif

# endif

#ifndef S_ISFIFO

#   ifdef S_IFIFO

#       define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)

#   else

#       define S_ISFIFO(m) 0

#   endif

# endif

/*

 * Define pid_t and uid_t if they're not already defined.

 */

#if ! TCL_PID_T

#   define pid_t int

#endif

#if ! TCL_UID_T

#   define uid_t int

#endif

/*

 * Provide a stub definition for TclGetUserHome().

 */

#define TclGetUserHome(name,bufferPtr) (NULL)

/*

 * Visual C++ has some odd names for common functions, so we need to

 * define a few macros to handle them.  Also, it defines EDEADLOCK and

 * EDEADLK as the same value, which confuses Tcl_ErrnoId().

 */

#ifdef _MSC_VER

#    define environ _environ

#    define hypot _hypot

#    define exception _exception

#    undef EDEADLOCK

#endif /* _MSC_VER */

/*

 * When building DLLs using GCC on mingw32, we must import environ via

 * indirection. This hack will eventually go away once GCC understands

 * dllimport attribute and mingw32 headers are fixed.

 */

#ifdef __MINGW32__

     extern char *** __imp__environ_dll;

#    define environ (*__imp__environ_dll)

#    define hypot _hypot

#    define exception _exception

#    undef EDEADLOCK

#endif /* __MINGW32__ */

/*

 * The following defines redefine the Windows Socket errors as

 * BSD errors so Tcl_PosixError can do the right thing.

 */

#ifndef EWOULDBLOCK

#define EWOULDBLOCK             EAGAIN

#endif

#ifndef EALREADY

#define EALREADY        149     /* operation already in progress */

#endif

#ifndef ENOTSOCK

#define ENOTSOCK        95      /* Socket operation on non-socket */

#endif

#ifndef EDESTADDRREQ

#define EDESTADDRREQ    96      /* Destination address required */

#endif

#ifndef EMSGSIZE

#define EMSGSIZE        97      /* Message too long */

#endif

#ifndef EPROTOTYPE

#define EPROTOTYPE      98      /* Protocol wrong type for socket */

#endif

#ifndef ENOPROTOOPT

#define ENOPROTOOPT     99      /* Protocol not available */

#endif

#ifndef EPROTONOSUPPORT

#define EPROTONOSUPPORT 120     /* Protocol not supported */

#endif

#ifndef ESOCKTNOSUPPORT

#define ESOCKTNOSUPPORT 121     /* Socket type not supported */

#endif

#ifndef EOPNOTSUPP

#define EOPNOTSUPP      122     /* Operation not supported on socket */

#endif

#ifndef EPFNOSUPPORT

#define EPFNOSUPPORT    123     /* Protocol family not supported */

#endif

#ifndef EAFNOSUPPORT

#define EAFNOSUPPORT    124     /* Address family not supported */

#endif

#ifndef EADDRINUSE

#define EADDRINUSE      125     /* Address already in use */

#endif

#ifndef EADDRNOTAVAIL

#define EADDRNOTAVAIL   126     /* Can't assign requested address */

#endif

#ifndef ENETDOWN

#define ENETDOWN        127     /* Network is down */

#endif

#ifndef ENETUNREACH

#define ENETUNREACH     128     /* Network is unreachable */

#endif

#ifndef ENETRESET

#define ENETRESET       129     /* Network dropped connection on reset */

#endif

#ifndef ECONNABORTED

#define ECONNABORTED    130     /* Software caused connection abort */

#endif

#ifndef ECONNRESET

#define ECONNRESET      131     /* Connection reset by peer */

#endif

#ifndef ENOBUFS

#define ENOBUFS         132     /* No buffer space available */

#endif

#ifndef EISCONN

#define EISCONN         133     /* Socket is already connected */

#endif

#ifndef ENOTCONN

#define ENOTCONN        134     /* Socket is not connected */

#endif

#ifndef ESHUTDOWN

#define ESHUTDOWN       143     /* Can't send after socket shutdown */

#endif

#ifndef ETOOMANYREFS

#define ETOOMANYREFS    144     /* Too many references: can't splice */

#endif

#ifndef ETIMEDOUT

#define ETIMEDOUT       145     /* Connection timed out */

#endif

#ifndef ECONNREFUSED

#define ECONNREFUSED    146     /* Connection refused */

#endif

#ifndef ELOOP

#define ELOOP           90      /* Symbolic link loop */

#endif

#ifndef EHOSTDOWN

#define EHOSTDOWN       147     /* Host is down */

#endif

#ifndef EHOSTUNREACH

#define EHOSTUNREACH    148     /* No route to host */

#endif

#ifndef ENOTEMPTY

#define ENOTEMPTY       93      /* directory not empty */

#endif

#ifndef EUSERS

#define EUSERS          94      /* Too many users (for UFS) */

#endif

#ifndef EDQUOT

#define EDQUOT          49      /* Disc quota exceeded */

#endif

#ifndef ESTALE

#define ESTALE          151     /* Stale NFS file handle */

#endif

#ifndef EREMOTE

#define EREMOTE         66      /* The object is remote */

#endif

/*

 * The following define ensures that we use the native putenv

 * implementation to modify the environment array.  This keeps

 * the C level environment in synch with the system level environment.

 */

#define USE_PUTENV      1

/*

 * The following defines map from standard socket names to our internal

 * wrappers that redirect through the winSock function table (see the

 * file tclWinSock.c).

 */

#define getservbyname   TclWinGetServByName

#define getsockopt      TclWinGetSockOpt

#define ntohs           TclWinNToHS

#define setsockopt      TclWinSetSockOpt

/*

 * The following implements the Windows method for exiting the process.

 */

#define TclPlatformExit(status) exit(status)

/*

 * The following declarations belong in tclInt.h, but depend on platform

 * specific types (e.g. struct tm).

 */

EXTERN struct tm *      TclpGetDate _ANSI_ARGS_((const time_t *tp,

                            int useGMT));

EXTERN unsigned long    TclpGetPid _ANSI_ARGS_((Tcl_Pid pid));

EXTERN size_t           TclStrftime _ANSI_ARGS_((char *s, size_t maxsize,

                            const char *format, const struct tm *t));

/*

 * The following prototypes and defines replace the Windows versions

 * of POSIX function that various compilier vendors didn't implement

 * well or consistantly.

 */

#define lstat           TclStat

EXTERN int              TclpStat _ANSI_ARGS_((CONST char *path,

                            struct stat *buf));

EXTERN int              TclpAccess _ANSI_ARGS_((CONST char *path,

                            int mode));

#define TclpReleaseFile(file)   ckfree((char *) file)

/*

 * Declarations for Windows specific functions.

 */

EXTERN void             TclWinConvertError _ANSI_ARGS_((DWORD errCode));

EXTERN void             TclWinConvertWSAError _ANSI_ARGS_((DWORD errCode));

EXTERN struct servent * PASCAL FAR

                        TclWinGetServByName _ANSI_ARGS_((const char FAR *nm,

                            const char FAR *proto));

EXTERN int PASCAL FAR   TclWinGetSockOpt _ANSI_ARGS_((SOCKET s, int level,

                            int optname, char FAR * optval, int FAR *optlen));

EXTERN HINSTANCE        TclWinGetTclInstance _ANSI_ARGS_((void));

EXTERN HINSTANCE        TclWinLoadLibrary _ANSI_ARGS_((char *name));

EXTERN u_short PASCAL FAR

                        TclWinNToHS _ANSI_ARGS_((u_short ns));

EXTERN int PASCAL FAR   TclWinSetSockOpt _ANSI_ARGS_((SOCKET s, int level,

                            int optname, const char FAR * optval, int optlen));

# undef TCL_STORAGE_CLASS

# define TCL_STORAGE_CLASS DLLIMPORT

#endif /* _TCLWINPORT */