[25] | 1 | /* |
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| 2 | * pkgc.c -- |
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| 3 | * |
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| 4 | * This file contains a simple Tcl package "pkgc" that is intended for |
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| 5 | * testing the Tcl dynamic loading facilities. It can be used in both |
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| 6 | * safe and unsafe interpreters. |
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| 7 | * |
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| 8 | * Copyright (c) 1995 Sun Microsystems, Inc. |
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| 9 | * |
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| 10 | * See the file "license.terms" for information on usage and redistribution of |
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| 11 | * this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 12 | * |
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| 13 | * RCS: @(#) $Id: pkgc.c,v 1.9 2007/12/13 15:28:43 dgp Exp $ |
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| 14 | */ |
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| 15 | |
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| 16 | #include "tcl.h" |
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| 17 | |
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| 18 | /* |
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| 19 | * Prototypes for procedures defined later in this file: |
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| 20 | */ |
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| 21 | |
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| 22 | static int Pkgc_SubObjCmd(ClientData clientData, |
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| 23 | Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]); |
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| 24 | static int Pkgc_UnsafeObjCmd(ClientData clientData, |
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| 25 | Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]); |
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| 26 | |
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| 27 | /* |
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| 28 | *---------------------------------------------------------------------- |
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| 29 | * |
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| 30 | * Pkgc_SubObjCmd -- |
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| 31 | * |
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| 32 | * This procedure is invoked to process the "pkgc_sub" Tcl command. It |
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| 33 | * expects two arguments and returns their difference. |
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| 34 | * |
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| 35 | * Results: |
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| 36 | * A standard Tcl result. |
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| 37 | * |
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| 38 | * Side effects: |
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| 39 | * See the user documentation. |
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| 40 | * |
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| 41 | *---------------------------------------------------------------------- |
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| 42 | */ |
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| 43 | |
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| 44 | static int |
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| 45 | Pkgc_SubObjCmd( |
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| 46 | ClientData dummy, /* Not used. */ |
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| 47 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 48 | int objc, /* Number of arguments. */ |
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| 49 | Tcl_Obj *CONST objv[]) /* Argument objects. */ |
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| 50 | { |
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| 51 | int first, second; |
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| 52 | |
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| 53 | if (objc != 3) { |
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| 54 | Tcl_WrongNumArgs(interp, 1, objv, "num num"); |
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| 55 | return TCL_ERROR; |
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| 56 | } |
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| 57 | if ((Tcl_GetIntFromObj(interp, objv[1], &first) != TCL_OK) |
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| 58 | || (Tcl_GetIntFromObj(interp, objv[2], &second) != TCL_OK)) { |
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| 59 | return TCL_ERROR; |
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| 60 | } |
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| 61 | Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second)); |
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| 62 | return TCL_OK; |
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| 63 | } |
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| 64 | |
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| 65 | /* |
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| 66 | *---------------------------------------------------------------------- |
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| 67 | * |
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| 68 | * Pkgc_UnsafeCmd -- |
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| 69 | * |
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| 70 | * This procedure is invoked to process the "pkgc_unsafe" Tcl command. It |
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| 71 | * just returns a constant string. |
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| 72 | * |
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| 73 | * Results: |
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| 74 | * A standard Tcl result. |
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| 75 | * |
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| 76 | * Side effects: |
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| 77 | * See the user documentation. |
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| 78 | * |
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| 79 | *---------------------------------------------------------------------- |
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| 80 | */ |
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| 81 | |
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| 82 | static int |
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| 83 | Pkgc_UnsafeObjCmd( |
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| 84 | ClientData dummy, /* Not used. */ |
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| 85 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 86 | int objc, /* Number of arguments. */ |
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| 87 | Tcl_Obj *CONST objv[]) /* Argument objects. */ |
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| 88 | { |
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| 89 | Tcl_SetObjResult(interp, Tcl_NewStringObj("unsafe command invoked", -1)); |
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| 90 | return TCL_OK; |
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| 91 | } |
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| 92 | |
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| 93 | /* |
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| 94 | *---------------------------------------------------------------------- |
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| 95 | * |
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| 96 | * Pkgc_Init -- |
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| 97 | * |
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| 98 | * This is a package initialization procedure, which is called by Tcl |
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| 99 | * when this package is to be added to an interpreter. |
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| 100 | * |
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| 101 | * Results: |
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| 102 | * None. |
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| 103 | * |
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| 104 | * Side effects: |
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| 105 | * None. |
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| 106 | * |
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| 107 | *---------------------------------------------------------------------- |
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| 108 | */ |
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| 109 | |
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| 110 | int |
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| 111 | Pkgc_Init( |
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| 112 | Tcl_Interp *interp) /* Interpreter in which the package is to be |
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| 113 | * made available. */ |
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| 114 | { |
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| 115 | int code; |
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| 116 | |
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| 117 | if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) { |
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| 118 | return TCL_ERROR; |
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| 119 | } |
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| 120 | code = Tcl_PkgProvide(interp, "Pkgc", "1.7.2"); |
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| 121 | if (code != TCL_OK) { |
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| 122 | return code; |
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| 123 | } |
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| 124 | Tcl_CreateObjCommand(interp, "pkgc_sub", Pkgc_SubObjCmd, |
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| 125 | (ClientData) 0, (Tcl_CmdDeleteProc *) NULL); |
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| 126 | Tcl_CreateObjCommand(interp, "pkgc_unsafe", Pkgc_UnsafeObjCmd, |
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| 127 | (ClientData) 0, (Tcl_CmdDeleteProc *) NULL); |
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| 128 | return TCL_OK; |
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| 129 | } |
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| 130 | |
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| 131 | /* |
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| 132 | *---------------------------------------------------------------------- |
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| 133 | * |
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| 134 | * Pkgc_SafeInit -- |
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| 135 | * |
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| 136 | * This is a package initialization procedure, which is called by Tcl |
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| 137 | * when this package is to be added to a safe interpreter. |
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| 138 | * |
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| 139 | * Results: |
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| 140 | * None. |
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| 141 | * |
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| 142 | * Side effects: |
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| 143 | * None. |
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| 144 | * |
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| 145 | *---------------------------------------------------------------------- |
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| 146 | */ |
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| 147 | |
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| 148 | int |
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| 149 | Pkgc_SafeInit( |
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| 150 | Tcl_Interp *interp) /* Interpreter in which the package is to be |
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| 151 | * made available. */ |
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| 152 | { |
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| 153 | int code; |
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| 154 | |
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| 155 | if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) { |
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| 156 | return TCL_ERROR; |
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| 157 | } |
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| 158 | code = Tcl_PkgProvide(interp, "Pkgc", "1.7.2"); |
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| 159 | if (code != TCL_OK) { |
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| 160 | return code; |
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| 161 | } |
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| 162 | Tcl_CreateObjCommand(interp, "pkgc_sub", Pkgc_SubObjCmd, (ClientData) 0, |
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| 163 | (Tcl_CmdDeleteProc *) NULL); |
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| 164 | return TCL_OK; |
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| 165 | } |
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