pkga.c
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上传日期:2015-12-11
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- /*
- * pkga.c --
- *
- * This file contains a simple Tcl package "pkga" that is intended
- * for testing the Tcl dynamic loading facilities.
- *
- * 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: pkga.c,v 1.4.24.3 2004/06/08 20:25:45 dgp Exp $
- */
- #include "tcl.h"
- /*
- * Prototypes for procedures defined later in this file:
- */
- static int Pkga_EqObjCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]));
- static int Pkga_QuoteObjCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]));
- /*
- *----------------------------------------------------------------------
- *
- * Pkga_EqObjCmd --
- *
- * This procedure is invoked to process the "pkga_eq" Tcl command.
- * It expects two arguments and returns 1 if they are the same,
- * 0 if they are different.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- static int
- Pkga_EqObjCmd(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 result;
- CONST char *str1, *str2;
- int len1, len2;
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 1, objv, "string1 string2");
- return TCL_ERROR;
- }
- str1 = Tcl_GetStringFromObj(objv[1], &len1);
- str2 = Tcl_GetStringFromObj(objv[2], &len2);
- if (len1 == len2) {
- result = (Tcl_UtfNcmp(str1, str2, len1) == 0);
- } else {
- result = 0;
- }
- Tcl_SetObjResult(interp, Tcl_NewIntObj(result));
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Pkga_QuoteObjCmd --
- *
- * This procedure is invoked to process the "pkga_quote" Tcl command.
- * It expects one argument, which it returns as result.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- static int
- Pkga_QuoteObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj * CONST objv[]; /* Argument strings. */
- {
- if (objc != 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "value");
- return TCL_ERROR;
- }
- Tcl_SetObjResult(interp, objv[1]);
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Pkga_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
- Pkga_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, "Pkga", "1.0");
- if (code != TCL_OK) {
- return code;
- }
- Tcl_CreateObjCommand(interp, "pkga_eq", Pkga_EqObjCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- Tcl_CreateObjCommand(interp, "pkga_quote", Pkga_QuoteObjCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- return TCL_OK;
- }