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/*
* pkgb.c --
*
* This file contains a simple Tcl package "pkgb" 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 Pkgb_SubObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
static int Pkgb_UnsafeObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
static int Pkgb_DemoObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
/*
*----------------------------------------------------------------------
*
* Pkgb_SubObjCmd --
*
* This procedure is invoked to process the "pkgb_sub" Tcl command. It
* expects two arguments and returns their difference.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
#ifndef Tcl_GetErrorLine
# define Tcl_GetErrorLine(interp) ((interp)->errorLine)
#endif
static int
Pkgb_SubObjCmd(
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)) {
char buf[TCL_INTEGER_SPACE];
sprintf(buf, "%d", Tcl_GetErrorLine(interp));
Tcl_AppendResult(interp, " in line: ", buf, NULL);
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second));
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgb_UnsafeObjCmd --
*
* This procedure is invoked to process the "pkgb_unsafe" Tcl command. It
* just returns a constant string.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgb_UnsafeObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
return Tcl_EvalEx(interp, "list unsafe command invoked", -1, TCL_EVAL_GLOBAL);
}
static int
Pkgb_DemoObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
#if (TCL_MAJOR_VERSION > 8) || (TCL_MINOR_VERSION > 4)
Tcl_Obj *first;
if (Tcl_ListObjIndex(NULL, Tcl_GetEncodingSearchPath(), 0, &first)
== TCL_OK) {
Tcl_SetObjResult(interp, first);
}
#else
Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetDefaultEncodingDir(), -1));
#endif
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgb_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.
*
*----------------------------------------------------------------------
*/
DLLEXPORT int
Pkgb_Init(
Tcl_Interp *interp) /* Interpreter in which the package is to be
* made available. */
{
int code;
if (Tcl_InitStubs(interp, "8.5-", 0) == NULL) {
return TCL_ERROR;
}
code = Tcl_PkgProvideEx(interp, "Pkgb", "2.3", NULL);
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, NULL, NULL);
Tcl_CreateObjCommand(interp, "pkgb_unsafe", Pkgb_UnsafeObjCmd, NULL, NULL);
Tcl_CreateObjCommand(interp, "pkgb_demo", Pkgb_DemoObjCmd, NULL, NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgb_SafeInit --
*
* This is a package initialization procedure, which is called by Tcl
* when this package is to be added to a safe interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
DLLEXPORT int
Pkgb_SafeInit(
Tcl_Interp *interp) /* Interpreter in which the package is to be
* made available. */
{
int code;
if (Tcl_InitStubs(interp, "8.5-", 0) == NULL) {
return TCL_ERROR;
}
code = Tcl_PkgProvideEx(interp, "Pkgb", "2.3", NULL);
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, NULL, NULL);
return TCL_OK;
}
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