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/*
* snackStubLib.c --
*
* Stub object that will be statically linked into extensions that wish
* to access Snack.
*
* Copyright (c) 1998-1999 by Scriptics Corporation.
* 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.
*
*/
/*
* 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 Snack_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 "snack.h"
#include "snackDecls.h"
/*
* Ensure that Snack_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
SnackStubs *snackStubsPtr;
/*
*----------------------------------------------------------------------
*
* Snack_InitStubs --
*
* Checks that the correct version of Snack is loaded and that it
* supports stubs. It then initialises the stub table pointers.
*
* Results:
* The actual version of Snack that satisfies the request, or
* NULL to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointers.
*
*----------------------------------------------------------------------
*/
char *
Snack_InitStubs (Tcl_Interp *interp, char *version, int exact)
{
char *actualVersion;
actualVersion = Tcl_PkgRequireEx(interp, "snack", version, exact,
(ClientData *) &snackStubsPtr);
if (!actualVersion) {
return NULL;
}
if (!snackStubsPtr) {
Tcl_SetResult(interp,
"This implementation of Snack does not support stubs",
TCL_STATIC);
return NULL;
}
return actualVersion;
}
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