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/*
* tkStubLib.c --
*
* Stub object that will be statically linked into extensions that wish
* to access Tk.
*
* Copyright (c) 1998 Paul Duffin.
* Copyright (c) 1998-1999 by Scriptics Corporation.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkStubLib.c,v 1.3 1999/04/16 01:51:22 stanton Exp $
*/
/*
* We need to ensure that we use the stub macros so that this file contains
* no references to any of the stub functions. This will make it possible
* to build an extension that references Tk_InitStubs but doesn't end up
* including the rest of the stub functions.
*/
#ifndef USE_TCL_STUBS
#define USE_TCL_STUBS
#endif
#undef USE_TCL_STUB_PROCS
#ifndef USE_TK_STUBS
#define USE_TK_STUBS
#endif
#undef USE_TK_STUB_PROCS
#include "tkInt.h"
#include "tkPort.h"
#ifdef __WIN32__
#include "tkWinInt.h"
#endif
#include "tkDecls.h"
#include "tkIntDecls.h"
#include "tkPlatDecls.h"
#include "tkIntPlatDecls.h"
#include "tkIntXlibDecls.h"
/*
* Ensure that Tk_InitStubs is built as an exported symbol. The other stub
* functions should be built as non-exported symbols.
*/
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT
TkStubs *tkStubsPtr;
TkPlatStubs *tkPlatStubsPtr;
TkIntStubs *tkIntStubsPtr;
TkIntPlatStubs *tkIntPlatStubsPtr;
TkIntXlibStubs *tkIntXlibStubsPtr;
/*
*----------------------------------------------------------------------
*
* Tk_InitStubs --
*
* Checks that the correct version of Tk is loaded and that it
* supports stubs. It then initialises the stub table pointers.
*
* Results:
* The actual version of Tk that satisfies the request, or
* NULL to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointers.
*
*----------------------------------------------------------------------
*/
char *
Tk_InitStubs(interp, version, exact)
Tcl_Interp *interp;
char *version;
int exact;
{
char *actualVersion;
actualVersion = Tcl_PkgRequireEx(interp, "Tk", version, exact,
(ClientData *) &tkStubsPtr);
if (!actualVersion) {
return NULL;
}
if (!tkStubsPtr) {
Tcl_SetResult(interp,
"This implementation of Tk does not support stubs",
TCL_STATIC);
return NULL;
}
tkPlatStubsPtr = tkStubsPtr->hooks->tkPlatStubs;
tkIntStubsPtr = tkStubsPtr->hooks->tkIntStubs;
tkIntPlatStubsPtr = tkStubsPtr->hooks->tkIntPlatStubs;
tkIntXlibStubsPtr = tkStubsPtr->hooks->tkIntXlibStubs;
return actualVersion;
}
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