sl@0: /* 
sl@0:  * tclLoadNone.c --
sl@0:  *
sl@0:  *	This procedure provides a version of the TclLoadFile for use
sl@0:  *	in systems that don't support dynamic loading; it just returns
sl@0:  *	an error.
sl@0:  *
sl@0:  * Copyright (c) 1995-1997 Sun Microsystems, Inc.
sl@0:  *
sl@0:  * See the file "license.terms" for information on usage and redistribution
sl@0:  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0:  *
sl@0:  * RCS: @(#) $Id: tclLoadNone.c,v 1.11 2002/07/18 16:26:03 vincentdarley Exp $
sl@0:  */
sl@0: 
sl@0: #include "tclInt.h"
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * TclpDlopen --
sl@0:  *
sl@0:  *	This procedure is called to carry out dynamic loading of binary
sl@0:  *	code;  it is intended for use only on systems that don't support
sl@0:  *	dynamic loading (it returns an error).
sl@0:  *
sl@0:  * Results:
sl@0:  *	The result is TCL_ERROR, and an error message is left in
sl@0:  *	the interp's result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	None.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: int
sl@0: TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
sl@0:     Tcl_Interp *interp;		/* Used for error reporting. */
sl@0:     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
sl@0: 				 * code (UTF-8). */
sl@0:     Tcl_LoadHandle *loadHandle;	/* Filled with token for dynamically loaded
sl@0: 				 * file which will be passed back to 
sl@0: 				 * (*unloadProcPtr)() to unload the file. */
sl@0:     Tcl_FSUnloadFileProc **unloadProcPtr;	
sl@0: 				/* Filled with address of Tcl_FSUnloadFileProc
sl@0: 				 * function which should be used for
sl@0: 				 * this file. */
sl@0: {
sl@0:     Tcl_SetResult(interp,
sl@0: 	    "dynamic loading is not currently available on this system",
sl@0: 	    TCL_STATIC);
sl@0:     return TCL_ERROR;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * TclpFindSymbol --
sl@0:  *
sl@0:  *	Looks up a symbol, by name, through a handle associated with
sl@0:  *	a previously loaded piece of code (shared library).
sl@0:  *
sl@0:  * Results:
sl@0:  *	Returns a pointer to the function associated with 'symbol' if
sl@0:  *	it is found.  Otherwise returns NULL and may leave an error
sl@0:  *	message in the interp's result.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: Tcl_PackageInitProc*
sl@0: TclpFindSymbol(interp, loadHandle, symbol) 
sl@0:     Tcl_Interp *interp;
sl@0:     Tcl_LoadHandle loadHandle;
sl@0:     CONST char *symbol;
sl@0: {
sl@0:     return NULL;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * TclGuessPackageName --
sl@0:  *
sl@0:  *	If the "load" command is invoked without providing a package
sl@0:  *	name, this procedure is invoked to try to figure it out.
sl@0:  *
sl@0:  * Results:
sl@0:  *	Always returns 0 to indicate that we couldn't figure out a
sl@0:  *	package name;  generic code will then try to guess the package
sl@0:  *	from the file name.  A return value of 1 would have meant that
sl@0:  *	we figured out the package name and put it in bufPtr.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	None.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: int
sl@0: TclGuessPackageName(fileName, bufPtr)
sl@0:     CONST char *fileName;	/* Name of file containing package (already
sl@0: 				 * translated to local form if needed). */
sl@0:     Tcl_DString *bufPtr;	/* Initialized empty dstring.  Append
sl@0: 				 * package name to this if possible. */
sl@0: {
sl@0:     return 0;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * TclpUnloadFile --
sl@0:  *
sl@0:  *    This procedure is called to carry out dynamic unloading of binary
sl@0:  *    code;  it is intended for use only on systems that don't support
sl@0:  *    dynamic loading (it does nothing).
sl@0:  *
sl@0:  * Results:
sl@0:  *    None.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *    None.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: void
sl@0: TclpUnloadFile(loadHandle)
sl@0:     Tcl_LoadHandle loadHandle;	/* loadHandle returned by a previous call
sl@0: 				 * to TclpDlopen().  The loadHandle is 
sl@0: 				 * a token that represents the loaded 
sl@0: 				 * file. */
sl@0: {
sl@0: }