pkgb.c
上传用户:rrhhcc
上传日期:2015-12-11
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文件大小:4k
- /*
- * 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.
- *
- * RCS: @(#) $Id: pkgb.c,v 1.4 2000/04/04 08:06:07 hobbs Exp $
- */
- #include "tcl.h"
- /*
- * Prototypes for procedures defined later in this file:
- */
- static int Pkgb_SubObjCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]));
- static int Pkgb_UnsafeObjCmd _ANSI_ARGS_((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.
- *
- *----------------------------------------------------------------------
- */
- static int
- Pkgb_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;
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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(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;
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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.
- *
- *----------------------------------------------------------------------
- */
- int
- Pkgb_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, "Pkgb", "2.3");
- if (code != TCL_OK) {
- return code;
- }
- Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- Tcl_CreateObjCommand(interp, "pkgb_unsafe", Pkgb_UnsafeObjCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) 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 an unsafe interpreter.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
- int
- Pkgb_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, "Pkgb", "2.3");
- if (code != TCL_OK) {
- return code;
- }
- Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, (ClientData) 0,
- (Tcl_CmdDeleteProc *) NULL);
- return TCL_OK;
- }