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/*
* pkgc.c --
*
* This file contains a simple Tcl package "pkgc" 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.
*/
#include "tcl.h"
/*
* Prototypes for procedures defined later in this file:
*/
static int Pkgc_SubObjCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]));
static int Pkgc_UnsafeObjCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]));
/*
*----------------------------------------------------------------------
*
* Pkgc_SubObjCmd --
*
* This procedure is invoked to process the "pkgc_sub" Tcl command.
* It expects two arguments and returns their difference.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgc_SubObjCmd(dummy, interp, objc, objv)
ClientData dummy; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj * CONST objv[]; /* Argument objects. */
{
int first, second;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "num num");
return TCL_ERROR;
}
if ((Tcl_GetIntFromObj(interp, objv[1], &first) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[2], &second) != TCL_OK)) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second));
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgc_UnsafeCmd --
*
* This procedure is invoked to process the "pkgc_unsafe" Tcl command.
* It just returns a constant string.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgc_UnsafeObjCmd(dummy, interp, objc, objv)
ClientData dummy; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj * CONST objv[]; /* Argument objects. */
{
Tcl_SetObjResult(interp, Tcl_NewStringObj("unsafe command invoked", -1));
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgc_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
Pkgc_Init(interp)
Tcl_Interp *interp; /* Interpreter in which the package is
* to be made available. */
{
int code;
if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) {
return TCL_ERROR;
}
code = Tcl_PkgProvide(interp, "Pkgc", "1.7.2");
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgc_sub", Pkgc_SubObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "pkgc_unsafe", Pkgc_UnsafeObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgc_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
Pkgc_SafeInit(interp)
Tcl_Interp *interp; /* Interpreter in which the package is
* to be made available. */
{
int code;
if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) {
return TCL_ERROR;
}
code = Tcl_PkgProvide(interp, "Pkgc", "1.7.2");
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgc_sub", Pkgc_SubObjCmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
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