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/*
* jpegtclStubLib.c --
*
* Stub object that will be statically linked into extensions that wish
* to access the JPEGTCL API.
*
* Copyright (c) 2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>
* Copyright (c) 2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: jpegtclStubLib.c,v 1.1 2002/11/19 00:28:54 andreas_kupries Exp $
*/
#ifndef USE_TCL_STUBS
#define USE_TCL_STUBS
#endif
#include "jpegtcl.h"
JpegtclStubs *jpegtclStubsPtr;
/*
*----------------------------------------------------------------------
*
* Jpegtcl_InitStubs --
*
* Checks that the correct version of Blt is loaded and that it
* supports stubs. It then initialises the stub table pointers.
*
* Results:
* The actual version of BLT that satisfies the request, or
* NULL to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointers.
*
*----------------------------------------------------------------------
*/
#ifdef Jpegtcl_InitStubs
#undef Jpegtcl_InitStubs
#endif
CONST char *
Jpegtcl_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
result = Tcl_PkgRequireEx(interp, PACKAGE_NAME, UNCONST version, exact,
(ClientData *) &jpegtclStubsPtr);
if (!result || !jpegtclStubsPtr) {
return (char *) NULL;
}
return result;
}
#undef UNCONST
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