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/*
* itclStubLib.c --
*
* Stub object that will be statically linked into extensions that wish
* to access Itcl.
*
* Copyright (c) 1998-1999 by XXXX
* Copyright (c) 1998 Paul Duffin.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: $Id$
*/
/*
* 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 Tcl_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
/*
* This ensures that the Itcl_InitStubs has a prototype in
* itcl.h and is not the macro that turns it into Tcl_PkgRequire
*/
#ifndef USE_ITCL_STUBS
#define USE_ITCL_STUBS
#endif
#include "itclInt.h"
ItclStubs *itclStubsPtr;
ItclIntStubs *itclIntStubsPtr;
/*
*----------------------------------------------------------------------
*
* Itcl_InitStubs --
*
* Tries to initialise the stub table pointers and ensures that
* the correct version of Itcl is loaded.
*
* Results:
* The actual version of Itcl that satisfies the request, or
* NULL to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointers.
*
*----------------------------------------------------------------------
*/
CONST char *
Itcl_InitStubs (interp, version, exact)
Tcl_Interp *interp;
char *version;
int exact;
{
CONST char *actualVersion;
actualVersion = Tcl_PkgRequireEx(interp, "Itcl", version, exact,
(ClientData *) &itclStubsPtr);
if (actualVersion == NULL) {
itclStubsPtr = NULL;
return NULL;
}
if (itclStubsPtr->hooks) {
itclIntStubsPtr = itclStubsPtr->hooks->itclIntStubs;
} else {
itclIntStubsPtr = NULL;
}
return actualVersion;
}
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