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/*
* pkgd.c --
*
* This file contains a simple Tcl package "pkgd" that is intended
* for testing the Tcl dynamic loading facilities. It can be used
* in both safe and unsafe interpreters.
*
* Copyright (c) 1995 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) pkgd.c 1.4 96/02/15 12:30:32
*/
#include "tcl.h"
/*
* Prototypes for procedures defined later in this file:
*/
static int Pkgd_SubCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
static int Pkgd_UnsafeCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
/*
*----------------------------------------------------------------------
*
* Pkgd_SubCmd --
*
* This procedure is invoked to process the "pkgd_sub" Tcl command.
* It expects two arguments and returns their difference.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgd_SubCmd(dummy, interp, argc, argv)
ClientData dummy; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
int first, second;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" num num\"", (char *) NULL);
return TCL_ERROR;
}
if ((Tcl_GetInt(interp, argv[1], &first) != TCL_OK)
|| (Tcl_GetInt(interp, argv[2], &second) != TCL_OK)) {
return TCL_ERROR;
}
sprintf(interp->result, "%d", first - second);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgd_UnsafeCmd --
*
* This procedure is invoked to process the "pkgd_unsafe" Tcl command.
* It just returns a constant string.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgd_UnsafeCmd(dummy, interp, argc, argv)
ClientData dummy; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
interp->result = "unsafe command invoked";
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgd_Init --
*
* This is a package initialization procedure, which is called
* by Tcl when this package is to be added to an interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
Pkgd_Init(interp)
Tcl_Interp *interp; /* Interpreter in which the package is
* to be made available. */
{
int code;
code = Tcl_PkgProvide(interp, "Pkgd", "7.3");
if (code != TCL_OK) {
return code;
}
Tcl_CreateCommand(interp, "pkgd_sub", Pkgd_SubCmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
Tcl_CreateCommand(interp, "pkgd_unsafe", Pkgd_UnsafeCmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgd_SafeInit --
*
* This is a package initialization procedure, which is called
* by Tcl when this package is to be added to an unsafe interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
Pkgd_SafeInit(interp)
Tcl_Interp *interp; /* Interpreter in which the package is
* to be made available. */
{
Tcl_CreateCommand(interp, "pkgd_sub", Pkgd_SubCmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
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