summaryrefslogtreecommitdiffstats
path: root/win/tclWinInt.h
blob: a76865d90ce05b1466b403fef56e17661b800bad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*
 * 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"

/*
 * 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

/*
 * 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	TclWinSerialReopen(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 */

/* Needed by tclWinFile.c and tclWinFCmd.c */
#ifndef FILE_ATTRIBUTE_REPARSE_POINT
#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
#endif

#endif	/* _TCLWININT */