/* 
 * tclAppInit.c --
 *
 *	Provides a default version of the main program and Tcl_AppInit
 *	procedure for Tcl applications (with Tcl-Trf).
 *
 * Copyright (c) 1993 The Regents of the University of California.
 * Copyright (c) 1994-1995 Sun Microsystems, Inc.
 * Modified      Oct 1996-1997  Andreas Kupries (a.kupries@westend.com)
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

static char cvs_id[] = "$Id: tclAppInit.c,v 1.1.1.1 1997/02/05 20:51:00 aku Exp $";

#include "tcl.h"
#include "transform.h"

/*
 * The following variable is a special hack that is needed in order for
 * Sun shared libraries to be used for Tcl.
 */

extern int matherr();
int *tclDummyMathPtr = (int *) matherr;

/*
 *----------------------------------------------------------------------
 *
 * main --
 *
 *	This is the main program for the application.
 *
 * Results:
 *	None: Tcl_Main never returns here, so this procedure never
 *	returns either.
 *
 * Side effects:
 *	Whatever the application does.
 *
 *----------------------------------------------------------------------
 */

int
main(argc, argv)
int    argc;		/* Number of command-line arguments. */
char **argv;		/* Values of command-line arguments. */
{
    Tcl_Main(argc, argv, Tcl_AppInit);

    /* Needed only to prevent compiler warning. */
    return 0;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_AppInit --
 *
 *	This procedure performs application-specific initialization.
 *	Most applications, especially those that incorporate additional
 *	packages, will have their own version of this procedure.
 *
 * Results:
 *	Returns a standard Tcl completion code, and leaves an error
 *	message in interp->result if an error occurs.
 *
 * Side effects:
 *	Depends on the startup script.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_AppInit(interp)
    Tcl_Interp *interp;		/* Interpreter for application. */
{
    if (Tcl_Init(interp) == TCL_ERROR) {
	return TCL_ERROR;
    }

    /*
     * Call the init procedures for included packages.  Each call should
     * look like this:
     *
     * if (Mod_Init(interp) == TCL_ERROR) {
     *     return TCL_ERROR;
     * }
     *
     * where "Mod" is the name of the module.
     */

    if (TCL_OK != Trf_Init (interp))
      {
	return TCL_ERROR;
      }
    Tcl_StaticPackage(interp, "Trf", Trf_Init, Trf_SafeInit);

    /*
     * Call Tcl_CreateCommand for application-specific commands, if
     * they weren't already created by the init procedures called above.
     */

    /*
     * Specify a user-specific startup file to invoke if the application
     * is run interactively.  Typically the startup file is "~/.apprc"
     * where "app" is the name of the application.  If this line is deleted
     * then no user-specific startup file will be run under any conditions.
     */

    Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY);
    return TCL_OK;
}
