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authorrjohnson <rjohnson>1998-03-26 14:56:55 (GMT)
committerrjohnson <rjohnson>1998-03-26 14:56:55 (GMT)
commit72d823b9193f9ee2b0318563b49363cd08c11f24 (patch)
treec168cc164a71f320db9dcdfe7518ba7bd0d2c8d9 /unix/dltest/pkgb.c
parent2b5738da524e944cda39e24c0a87b745a43bd8c3 (diff)
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+/*
+ * 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.
+ *
+ * SCCS: @(#) pkgb.c 1.4 96/02/15 12:30:34
+ */
+#include "tcl.h"
+
+/*
+ * Prototypes for procedures defined later in this file:
+ */
+
+static int Pkgb_SubCmd _ANSI_ARGS_((ClientData clientData,
+ Tcl_Interp *interp, int argc, char **argv));
+static int Pkgb_UnsafeCmd _ANSI_ARGS_((ClientData clientData,
+ Tcl_Interp *interp, int argc, char **argv));
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgb_SubCmd --
+ *
+ * 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_SubCmd(dummy, interp, argc, argv)
+ ClientData dummy; /* Not used. */
+ Tcl_Interp *interp; /* Current interpreter. */
+ int argc; /* Number of arguments. */
+ char **argv; /* Argument strings. */
+{
+ int first, second;
+
+ if (argc != 3) {
+ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
+ " num num\"", (char *) NULL);
+ return TCL_ERROR;
+ }
+ if ((Tcl_GetInt(interp, argv[1], &first) != TCL_OK)
+ || (Tcl_GetInt(interp, argv[2], &second) != TCL_OK)) {
+ return TCL_ERROR;
+ }
+ sprintf(interp->result, "%d", first - second);
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgb_UnsafeCmd --
+ *
+ * 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_UnsafeCmd(dummy, interp, argc, argv)
+ ClientData dummy; /* Not used. */
+ Tcl_Interp *interp; /* Current interpreter. */
+ int argc; /* Number of arguments. */
+ char **argv; /* Argument strings. */
+{
+ interp->result = "unsafe command invoked";
+ 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;
+
+ code = Tcl_PkgProvide(interp, "Pkgb", "2.3");
+ if (code != TCL_OK) {
+ return code;
+ }
+ Tcl_CreateCommand(interp, "pkgb_sub", Pkgb_SubCmd, (ClientData) 0,
+ (Tcl_CmdDeleteProc *) NULL);
+ Tcl_CreateCommand(interp, "pkgb_unsafe", Pkgb_UnsafeCmd, (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. */
+{
+ Tcl_CreateCommand(interp, "pkgb_sub", Pkgb_SubCmd, (ClientData) 0,
+ (Tcl_CmdDeleteProc *) NULL);
+ return TCL_OK;
+}