189 lines
4.6 KiB
C
Vendored
189 lines
4.6 KiB
C
Vendored
/*
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* pkgb.c --
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*
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* This file contains a simple Tcl package "pkgb" that is intended for
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* testing the Tcl dynamic loading facilities. It can be used in both
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* safe and unsafe interpreters.
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*
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* Copyright © 1995 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution of
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* this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*/
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#undef STATIC_BUILD
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#include "tcl.h"
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#if defined(_WIN32) && defined(_MSC_VER)
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# define snprintf _snprintf
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#endif
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#if TCL_MAJOR_VERSION < 9
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# define Tcl_Size int
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#endif
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/*
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*----------------------------------------------------------------------
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*
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* Pkgb_SubObjCmd --
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*
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* This procedure is invoked to process the "pkgb_sub" Tcl command. It
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* expects two arguments and returns their difference.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* See the user documentation.
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*
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*----------------------------------------------------------------------
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*/
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static int
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Pkgb_SubObjCmd(
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void *dummy, /* Not used. */
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Tcl_Interp *interp, /* Current interpreter. */
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int objc, /* Number of arguments. */
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Tcl_Obj *const objv[]) /* Argument objects. */
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{
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int first, second;
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(void)dummy;
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if (objc != 3) {
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Tcl_WrongNumArgs(interp, 1, objv, "num num");
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return TCL_ERROR;
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}
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if ((Tcl_GetIntFromObj(interp, objv[1], &first) != TCL_OK)
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|| (Tcl_GetIntFromObj(interp, objv[2], &second) != TCL_OK)) {
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char buf[TCL_INTEGER_SPACE];
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snprintf(buf, sizeof(buf), "%d", Tcl_GetErrorLine(interp));
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Tcl_AppendResult(interp, " in line: ", buf, (char *)NULL);
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return TCL_ERROR;
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}
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Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second));
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Pkgb_UnsafeObjCmd --
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*
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* This procedure is invoked to process the "pkgb_unsafe" Tcl command. It
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* just returns a constant string.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* See the user documentation.
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*
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*----------------------------------------------------------------------
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*/
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static int
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Pkgb_UnsafeObjCmd(
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void *dummy, /* Not used. */
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Tcl_Interp *interp, /* Current interpreter. */
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int objc, /* Number of arguments. */
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Tcl_Obj *const objv[]) /* Argument objects. */
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{
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(void)dummy;
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(void)objc;
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(void)objv;
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return Tcl_EvalEx(interp, "list unsafe command invoked", -1, TCL_EVAL_GLOBAL);
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}
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static int
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Pkgb_DemoObjCmd(
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void *dummy, /* Not used. */
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Tcl_Interp *interp, /* Current interpreter. */
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int objc, /* Number of arguments. */
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Tcl_Obj *const objv[]) /* Argument objects. */
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{
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Tcl_WideInt numChars;
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int result;
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(void)dummy;
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if (objc != 4) {
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Tcl_WrongNumArgs(interp, 1, objv, "arg1 arg2 num");
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return TCL_ERROR;
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}
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if (Tcl_GetWideIntFromObj(interp, objv[3], &numChars) != TCL_OK) {
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return TCL_ERROR;
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}
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result = Tcl_UtfNcmp(Tcl_GetString(objv[1]), Tcl_GetString(objv[2]), (size_t)numChars);
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Tcl_SetObjResult(interp, Tcl_NewIntObj(result));
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Pkgb_Init --
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*
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* This is a package initialization procedure, which is called by Tcl
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* when this package is to be added to an interpreter.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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DLLEXPORT int
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Pkgb_Init(
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Tcl_Interp *interp) /* Interpreter in which the package is to be
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* made available. */
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{
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int code;
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if (Tcl_InitStubs(interp, "8.6-", 0) == NULL) {
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return TCL_ERROR;
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}
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code = Tcl_PkgProvide(interp, "pkgb", "2.3");
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if (code != TCL_OK) {
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return code;
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}
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Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "pkgb_unsafe", Pkgb_UnsafeObjCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "pkgb_demo", Pkgb_DemoObjCmd, NULL, NULL);
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Pkgb_SafeInit --
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*
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* This is a package initialization procedure, which is called by Tcl
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* when this package is to be added to a safe interpreter.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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DLLEXPORT int
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Pkgb_SafeInit(
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Tcl_Interp *interp) /* Interpreter in which the package is to be
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* made available. */
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{
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int code;
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if (Tcl_InitStubs(interp, "8.6-", 0) == NULL) {
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return TCL_ERROR;
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}
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code = Tcl_PkgProvide(interp, "pkgb", "2.3");
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if (code != TCL_OK) {
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return code;
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}
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Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, NULL, NULL);
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return TCL_OK;
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}
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