1/* 2 * pkgd.c -- 3 * 4 * This file contains a simple Tcl package "pkgd" that is intended 5 * for testing the Tcl dynamic loading facilities. It can be used 6 * in both safe and unsafe interpreters. 7 * 8 * Copyright (c) 1995 Sun Microsystems, Inc. 9 * 10 * See the file "license.terms" for information on usage and redistribution 11 * of this file, and for a DISCLAIMER OF ALL WARRANTIES. 12 * 13 * RCS: @(#) $Id: pkgd.c,v 1.4 2000/04/04 08:06:07 hobbs Exp $ 14 */ 15 16#include "tcl.h" 17 18/* 19 * Prototypes for procedures defined later in this file: 20 */ 21 22static int Pkgd_SubObjCmd _ANSI_ARGS_((ClientData clientData, 23 Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[])); 24static int Pkgd_UnsafeObjCmd _ANSI_ARGS_((ClientData clientData, 25 Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[])); 26 27/* 28 *---------------------------------------------------------------------- 29 * 30 * Pkgd_SubObjCmd -- 31 * 32 * This procedure is invoked to process the "pkgd_sub" Tcl command. 33 * It expects two arguments and returns their difference. 34 * 35 * Results: 36 * A standard Tcl result. 37 * 38 * Side effects: 39 * See the user documentation. 40 * 41 *---------------------------------------------------------------------- 42 */ 43 44static int 45Pkgd_SubObjCmd(dummy, interp, objc, objv) 46 ClientData dummy; /* Not used. */ 47 Tcl_Interp *interp; /* Current interpreter. */ 48 int objc; /* Number of arguments. */ 49 Tcl_Obj * CONST objv[]; /* Argument objects. */ 50{ 51 int first, second; 52 53 if (objc != 3) { 54 Tcl_WrongNumArgs(interp, 1, objv, "num num"); 55 return TCL_ERROR; 56 } 57 if ((Tcl_GetIntFromObj(interp, objv[1], &first) != TCL_OK) 58 || (Tcl_GetIntFromObj(interp, objv[2], &second) != TCL_OK)) { 59 return TCL_ERROR; 60 } 61 Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second)); 62 return TCL_OK; 63} 64 65/* 66 *---------------------------------------------------------------------- 67 * 68 * Pkgd_UnsafeCmd -- 69 * 70 * This procedure is invoked to process the "pkgd_unsafe" Tcl command. 71 * It just returns a constant string. 72 * 73 * Results: 74 * A standard Tcl result. 75 * 76 * Side effects: 77 * See the user documentation. 78 * 79 *---------------------------------------------------------------------- 80 */ 81 82static int 83Pkgd_UnsafeObjCmd(dummy, interp, objc, objv) 84 ClientData dummy; /* Not used. */ 85 Tcl_Interp *interp; /* Current interpreter. */ 86 int objc; /* Number of arguments. */ 87 Tcl_Obj * CONST objv[]; /* Argument objects. */ 88{ 89 Tcl_SetObjResult(interp, Tcl_NewStringObj("unsafe command invoked", -1)); 90 return TCL_OK; 91} 92 93/* 94 *---------------------------------------------------------------------- 95 * 96 * Pkgd_Init -- 97 * 98 * This is a package initialization procedure, which is called 99 * by Tcl when this package is to be added to an interpreter. 100 * 101 * Results: 102 * None. 103 * 104 * Side effects: 105 * None. 106 * 107 *---------------------------------------------------------------------- 108 */ 109 110int 111Pkgd_Init(interp) 112 Tcl_Interp *interp; /* Interpreter in which the package is 113 * to be made available. */ 114{ 115 int code; 116 117 if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) { 118 return TCL_ERROR; 119 } 120 code = Tcl_PkgProvide(interp, "Pkgd", "7.3"); 121 if (code != TCL_OK) { 122 return code; 123 } 124 Tcl_CreateObjCommand(interp, "pkgd_sub", Pkgd_SubObjCmd, 125 (ClientData) 0, (Tcl_CmdDeleteProc *) NULL); 126 Tcl_CreateObjCommand(interp, "pkgd_unsafe", Pkgd_UnsafeObjCmd, 127 (ClientData) 0, (Tcl_CmdDeleteProc *) NULL); 128 return TCL_OK; 129} 130 131/* 132 *---------------------------------------------------------------------- 133 * 134 * Pkgd_SafeInit -- 135 * 136 * This is a package initialization procedure, which is called 137 * by Tcl when this package is to be added to an unsafe interpreter. 138 * 139 * Results: 140 * None. 141 * 142 * Side effects: 143 * None. 144 * 145 *---------------------------------------------------------------------- 146 */ 147 148int 149Pkgd_SafeInit(interp) 150 Tcl_Interp *interp; /* Interpreter in which the package is 151 * to be made available. */ 152{ 153 int code; 154 155 if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) { 156 return TCL_ERROR; 157 } 158 code = Tcl_PkgProvide(interp, "Pkgd", "7.3"); 159 if (code != TCL_OK) { 160 return code; 161 } 162 Tcl_CreateObjCommand(interp, "pkgd_sub", Pkgd_SubObjCmd, (ClientData) 0, 163 (Tcl_CmdDeleteProc *) NULL); 164 return TCL_OK; 165} 166