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/*
* memchanStubLib.c --
*
* Stub object that will be statically linked into extensions that wish
* to access the Memchan API.
*
* 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.
*
* $Id: memchanStubLib.c,v 1.2 2005/06/08 17:47:59 andreas_kupries Exp $
*/
#ifndef USE_TCL_STUBS
#define USE_TCL_STUBS
#endif
#include "memchan.h"
#include "buf.h"
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT
extern BufStubs *bufStubsPtr;
MemchanStubs *memchanStubsPtr;
/*
*----------------------------------------------------------------------
*
* Memchan_InitStubs --
*
* Loads the Memchan extension and initializes the stubs table.
*
* Results:
* The actual version of Memchan in use. NULL if an error occurred.
*
* Side effects:
* Sets the stub table pointers.
*
*----------------------------------------------------------------------
*/
CONST char *
Memchan_InitStubs(interp, version, exact)
Tcl_Interp *interp;
CONST char *version;
int exact;
{
CONST char *result;
/* HACK: de-CONST 'version' if compiled against 8.3.
* The API has no CONST despite not modifying the argument
* And a debug build with high warning-level on windows
* will abort the compilation.
*/
#if ((TCL_MAJOR_VERSION < 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION < 4)))
#define UNCONST (char*)
#else
#define UNCONST
#endif
/* NOTE: Memchan actuall provide the Buf stubs. The Memchan stubs
* table is hooked into this.
*/
result = Tcl_PkgRequireEx(interp, "Memchan", UNCONST version, exact,
(ClientData *) &bufStubsPtr);
if (!result || !bufStubsPtr) {
return (char *) NULL;
}
memchanStubsPtr = bufStubsPtr->hooks->memchanStubs;
return result;
}
#undef UNCONST
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