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/*
* tclWinInt.h --
*
* Declarations of Windows-specific shared variables and procedures.
*
* 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.
*/
#ifndef _TCLWININT
#define _TCLWININT
#include "tclInt.h"
#ifdef HAVE_NO_SEH
/*
* Unlike Borland and Microsoft, we don't register exception handlers by
* pushing registration records onto the runtime stack. Instead, we register
* them by creating an TCLEXCEPTION_REGISTRATION within the activation record.
*/
typedef struct TCLEXCEPTION_REGISTRATION {
struct TCLEXCEPTION_REGISTRATION *link;
EXCEPTION_DISPOSITION (*handler)(
struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
void *ebp;
void *esp;
int status;
} TCLEXCEPTION_REGISTRATION;
#endif
/*
* The following specifies how much stack space TclpCheckStackSpace()
* ensures is available. TclpCheckStackSpace() is called by Tcl_EvalObj()
* to help avoid overflowing the stack in the case of infinite recursion.
*/
#define TCL_WIN_STACK_THRESHOLD 0x8000
/*
* Some versions of Borland C have a define for the OSVERSIONINFO for
* Win32s and for NT, but not for Windows 95.
* Define VER_PLATFORM_WIN32_CE for those without newer headers.
*/
#ifndef VER_PLATFORM_WIN32_WINDOWS
#define VER_PLATFORM_WIN32_WINDOWS 1
#endif
#ifndef VER_PLATFORM_WIN32_CE
#define VER_PLATFORM_WIN32_CE 3
#endif
#ifdef _WIN64
# define TCL_I_MODIFIER "I"
#else
# define TCL_I_MODIFIER ""
#endif
/*
* The following structure keeps track of whether we are using the
* multi-byte or the wide-character interfaces to the operating system.
* System calls should be made through the following function table.
*/
typedef union {
WIN32_FIND_DATAA a;
WIN32_FIND_DATAW w;
} WIN32_FIND_DATAT;
typedef struct TclWinProcs {
int useWide;
BOOL (WINAPI *buildCommDCBProc)(CONST TCHAR *, LPDCB);
TCHAR *(WINAPI *charLowerProc)(TCHAR *);
BOOL (WINAPI *copyFileProc)(CONST TCHAR *, CONST TCHAR *, BOOL);
BOOL (WINAPI *createDirectoryProc)(CONST TCHAR *, LPSECURITY_ATTRIBUTES);
HANDLE (WINAPI *createFileProc)(CONST TCHAR *, DWORD, DWORD,
LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
BOOL (WINAPI *createProcessProc)(CONST TCHAR *, TCHAR *,
LPSECURITY_ATTRIBUTES, LPSECURITY_ATTRIBUTES, BOOL, DWORD,
LPVOID, CONST TCHAR *, LPSTARTUPINFOA, LPPROCESS_INFORMATION);
BOOL (WINAPI *deleteFileProc)(CONST TCHAR *);
HANDLE (WINAPI *findFirstFileProc)(CONST TCHAR *, WIN32_FIND_DATAT *);
BOOL (WINAPI *findNextFileProc)(HANDLE, WIN32_FIND_DATAT *);
BOOL (WINAPI *getComputerNameProc)(WCHAR *, LPDWORD);
DWORD (WINAPI *getCurrentDirectoryProc)(DWORD, WCHAR *);
DWORD (WINAPI *getFileAttributesProc)(CONST TCHAR *);
DWORD (WINAPI *getFullPathNameProc)(CONST TCHAR *, DWORD nBufferLength,
WCHAR *, TCHAR **);
DWORD (WINAPI *getModuleFileNameProc)(HMODULE, WCHAR *, int);
DWORD (WINAPI *getShortPathNameProc)(CONST TCHAR *, WCHAR *, DWORD);
UINT (WINAPI *getTempFileNameProc)(CONST TCHAR *, CONST TCHAR *, UINT,
WCHAR *);
DWORD (WINAPI *getTempPathProc)(DWORD, WCHAR *);
BOOL (WINAPI *getVolumeInformationProc)(CONST TCHAR *, WCHAR *, DWORD,
LPDWORD, LPDWORD, LPDWORD, WCHAR *, DWORD);
HINSTANCE (WINAPI *loadLibraryExProc)(CONST TCHAR *, HANDLE, DWORD);
TCHAR (WINAPI *lstrcpyProc)(WCHAR *, CONST TCHAR *);
BOOL (WINAPI *moveFileProc)(CONST TCHAR *, CONST TCHAR *);
BOOL (WINAPI *removeDirectoryProc)(CONST TCHAR *);
DWORD (WINAPI *searchPathProc)(CONST TCHAR *, CONST TCHAR *,
CONST TCHAR *, DWORD, WCHAR *, TCHAR **);
BOOL (WINAPI *setCurrentDirectoryProc)(CONST TCHAR *);
BOOL (WINAPI *setFileAttributesProc)(CONST TCHAR *, DWORD);
/*
* These two function pointers will only be set when
* Tcl_FindExecutable is called. If you don't ever call that
* function, the application will crash whenever WinTcl tries to call
* functions through these null pointers. That is not a bug in Tcl
* -- Tcl_FindExecutable is obligatory in recent Tcl releases.
*/
BOOL (WINAPI *getFileAttributesExProc)(CONST TCHAR *,
GET_FILEEX_INFO_LEVELS, LPVOID);
BOOL (WINAPI *createHardLinkProc)(CONST TCHAR*, CONST TCHAR*,
LPSECURITY_ATTRIBUTES);
/* deleted INT (__cdecl *utimeProc)(CONST TCHAR*, struct _utimbuf *); */
/* These two are also NULL at start; see comment above */
HANDLE (WINAPI *findFirstFileExProc)(CONST TCHAR*, UINT,
LPVOID, UINT,
LPVOID, DWORD);
BOOL (WINAPI *getVolumeNameForVMPProc)(CONST TCHAR*, TCHAR*, DWORD);
DWORD (WINAPI *getLongPathNameProc)(CONST TCHAR*, TCHAR*, DWORD);
/*
* These six are for the security sdk to get correct file
* permissions on NT, 2000, XP, etc. On 95,98,ME they are
* always null.
*/
BOOL (WINAPI *getFileSecurityProc)(LPCTSTR lpFileName,
SECURITY_INFORMATION RequestedInformation,
PSECURITY_DESCRIPTOR pSecurityDescriptor,
DWORD nLength,
LPDWORD lpnLengthNeeded);
BOOL (WINAPI *impersonateSelfProc) (SECURITY_IMPERSONATION_LEVEL
ImpersonationLevel);
BOOL (WINAPI *openThreadTokenProc) (HANDLE ThreadHandle,
DWORD DesiredAccess, BOOL OpenAsSelf,
PHANDLE TokenHandle);
BOOL (WINAPI *revertToSelfProc) (void);
VOID (WINAPI *mapGenericMaskProc) (PDWORD AccessMask,
PGENERIC_MAPPING GenericMapping);
BOOL (WINAPI *accessCheckProc)(PSECURITY_DESCRIPTOR pSecurityDescriptor,
HANDLE ClientToken, DWORD DesiredAccess,
PGENERIC_MAPPING GenericMapping,
PPRIVILEGE_SET PrivilegeSet,
LPDWORD PrivilegeSetLength,
LPDWORD GrantedAccess,
LPBOOL AccessStatus);
/*
* Unicode console support. WriteConsole and ReadConsole
*/
BOOL (WINAPI *readConsoleProc)(
HANDLE hConsoleInput,
LPVOID lpBuffer,
DWORD nNumberOfCharsToRead,
LPDWORD lpNumberOfCharsRead,
LPVOID lpReserved
);
BOOL (WINAPI *writeConsoleProc)(
HANDLE hConsoleOutput,
const VOID* lpBuffer,
DWORD nNumberOfCharsToWrite,
LPDWORD lpNumberOfCharsWritten,
LPVOID lpReserved
);
BOOL (WINAPI *getUserName)(LPTSTR lpBuffer, LPDWORD lpnSize);
} TclWinProcs;
MODULE_SCOPE TclWinProcs *tclWinProcs;
/*
* Declarations of functions that are not accessible by way of the
* stubs table.
*/
MODULE_SCOPE char TclWinDriveLetterForVolMountPoint(
CONST WCHAR *mountPoint);
MODULE_SCOPE void TclWinEncodingsCleanup();
MODULE_SCOPE void TclWinInit(HINSTANCE hInst);
MODULE_SCOPE TclFile TclWinMakeFile(HANDLE handle);
MODULE_SCOPE Tcl_Channel TclWinOpenConsoleChannel(HANDLE handle,
char *channelName, int permissions);
MODULE_SCOPE Tcl_Channel TclWinOpenFileChannel(HANDLE handle, char *channelName,
int permissions, int appendMode);
MODULE_SCOPE Tcl_Channel TclWinOpenSerialChannel(HANDLE handle,
char *channelName, int permissions);
MODULE_SCOPE void TclWinResetInterfaceEncodings();
MODULE_SCOPE HANDLE TclWinSerialOpen(HANDLE handle, CONST TCHAR *name,
DWORD access);
MODULE_SCOPE int TclWinSymLinkCopyDirectory(CONST TCHAR* LinkOriginal,
CONST TCHAR* LinkCopy);
MODULE_SCOPE int TclWinSymLinkDelete(CONST TCHAR* LinkOriginal,
int linkOnly);
#if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC)
MODULE_SCOPE void TclWinFreeAllocCache(void);
MODULE_SCOPE void TclFreeAllocCache(void *);
MODULE_SCOPE Tcl_Mutex *TclpNewAllocMutex(void);
MODULE_SCOPE void * TclpGetAllocCache(void);
MODULE_SCOPE void TclpSetAllocCache(void *);
#endif /* TCL_THREADS */
MODULE_SCOPE const char*TclpGetUserName(Tcl_DString *bufferPtr);
/* Needed by tclWinFile.c and tclWinFCmd.c */
#ifndef FILE_ATTRIBUTE_REPARSE_POINT
#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
#endif
#endif /* _TCLWININT */
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