696 lines
17 KiB
C
696 lines
17 KiB
C
/*
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* tclWinTest.c --
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*
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* Contains commands for platform specific tests on Windows.
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*
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* Copyright (c) 1996 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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#ifndef USE_TCL_STUBS
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# define USE_TCL_STUBS
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#endif
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#include "tclInt.h"
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/*
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* For TestplatformChmod on Windows
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*/
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#ifdef _WIN32
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#include <aclapi.h>
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#endif
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/*
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* MinGW 3.4.2 does not define this.
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*/
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#ifndef INHERITED_ACE
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#define INHERITED_ACE (0x10)
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#endif
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/*
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* Forward declarations of functions defined later in this file:
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*/
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static int TesteventloopCmd(ClientData dummy, Tcl_Interp* interp,
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int objc, Tcl_Obj *const objv[]);
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static int TestvolumetypeCmd(ClientData dummy,
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Tcl_Interp *interp, int objc,
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Tcl_Obj *const objv[]);
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static int TestwinclockCmd(ClientData dummy, Tcl_Interp* interp,
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int objc, Tcl_Obj *const objv[]);
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static int TestwinsleepCmd(ClientData dummy, Tcl_Interp* interp,
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int objc, Tcl_Obj *const objv[]);
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static int TestSizeCmd(ClientData dummy, Tcl_Interp* interp,
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int objc, Tcl_Obj *const objv[]);
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static Tcl_ObjCmdProc TestExceptionCmd;
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static int TestplatformChmod(const char *nativePath, int pmode);
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static int TestchmodCmd(ClientData dummy, Tcl_Interp* interp,
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int objc, Tcl_Obj *const objv[]);
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/*
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*----------------------------------------------------------------------
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*
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* TclplatformtestInit --
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*
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* Defines commands that test platform specific functionality for Windows
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* platforms.
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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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* Defines new commands.
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*
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*----------------------------------------------------------------------
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*/
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int
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TclplatformtestInit(
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Tcl_Interp *interp) /* Interpreter to add commands to. */
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{
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/*
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* Add commands for platform specific tests for Windows here.
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*/
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Tcl_CreateObjCommand(interp, "testchmod", TestchmodCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "testeventloop", TesteventloopCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "testvolumetype", TestvolumetypeCmd,
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NULL, NULL);
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Tcl_CreateObjCommand(interp, "testwinclock", TestwinclockCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "testwinsleep", TestwinsleepCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "testexcept", TestExceptionCmd, NULL, NULL);
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Tcl_CreateObjCommand(interp, "testsize", TestSizeCmd, 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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* TesteventloopCmd --
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*
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* This function implements the "testeventloop" command. It is used to
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* test the Tcl notifier from an "external" event loop (i.e. not
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* Tcl_DoOneEvent()).
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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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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TesteventloopCmd(
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ClientData clientData, /* 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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static int *framePtr = NULL;/* Pointer to integer on stack frame of
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* innermost invocation of the "wait"
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* subcommand. */
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if (objc < 2) {
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Tcl_WrongNumArgs(interp, 1, objv, "option ...");
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return TCL_ERROR;
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}
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if (strcmp(Tcl_GetString(objv[1]), "done") == 0) {
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*framePtr = 1;
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} else if (strcmp(Tcl_GetString(objv[1]), "wait") == 0) {
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int *oldFramePtr, done;
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int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
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/*
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* Save the old stack frame pointer and set up the current frame.
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*/
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oldFramePtr = framePtr;
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framePtr = &done;
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/*
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* Enter a standard Windows event loop until the flag changes. Note
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* that we do not explicitly call Tcl_ServiceEvent().
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*/
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done = 0;
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while (!done) {
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MSG msg;
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if (!GetMessageW(&msg, NULL, 0, 0)) {
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/*
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* The application is exiting, so repost the quit message and
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* start unwinding.
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*/
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PostQuitMessage((int) msg.wParam);
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break;
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}
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TranslateMessage(&msg);
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DispatchMessageW(&msg);
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}
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(void) Tcl_SetServiceMode(oldMode);
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framePtr = oldFramePtr;
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} else {
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Tcl_AppendResult(interp, "bad option \"", Tcl_GetString(objv[1]),
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"\": must be done or wait", NULL);
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return TCL_ERROR;
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}
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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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* Testvolumetype --
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*
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* This function implements the "testvolumetype" command. It is used to
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* check the volume type (FAT, NTFS) of a volume.
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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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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TestvolumetypeCmd(
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ClientData clientData, /* 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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#define VOL_BUF_SIZE 32
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int found;
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char volType[VOL_BUF_SIZE];
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const char *path;
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if (objc > 2) {
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Tcl_WrongNumArgs(interp, 1, objv, "?name?");
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return TCL_ERROR;
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}
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if (objc == 2) {
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/*
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* path has to be really a proper volume, but we don't get query APIs
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* for that until NT5
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*/
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path = Tcl_GetString(objv[1]);
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} else {
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path = NULL;
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}
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found = GetVolumeInformationA(path, NULL, 0, NULL, NULL, NULL, volType,
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VOL_BUF_SIZE);
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if (found == 0) {
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Tcl_AppendResult(interp, "could not get volume type for \"",
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(path?path:""), "\"", NULL);
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TclWinConvertError(GetLastError());
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return TCL_ERROR;
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}
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Tcl_AppendResult(interp, volType, NULL);
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return TCL_OK;
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#undef VOL_BUF_SIZE
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}
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/*
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*----------------------------------------------------------------------
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*
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* TestwinclockCmd --
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*
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* Command that returns the seconds and microseconds portions of the
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* system clock and of the Tcl clock so that they can be compared to
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* validate that the Tcl clock is staying in sync.
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*
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* Usage:
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* testclock
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*
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* Parameters:
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* None.
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*
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* Results:
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* Returns a standard Tcl result comprising a four-element list: the
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* seconds and microseconds portions of the system clock, and the seconds
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* and microseconds portions of the Tcl clock.
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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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static int
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TestwinclockCmd(
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ClientData dummy, /* Unused */
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Tcl_Interp* interp, /* Tcl interpreter */
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int objc, /* Argument count */
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Tcl_Obj *const objv[]) /* Argument vector */
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{
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static const FILETIME posixEpoch = { 0xD53E8000, 0x019DB1DE };
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/* The Posix epoch, expressed as a Windows
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* FILETIME */
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Tcl_Time tclTime; /* Tcl clock */
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FILETIME sysTime; /* System clock */
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Tcl_Obj *result; /* Result of the command */
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LARGE_INTEGER t1, t2;
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LARGE_INTEGER p1, p2;
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if (objc != 1) {
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Tcl_WrongNumArgs(interp, 1, objv, "");
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return TCL_ERROR;
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}
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QueryPerformanceCounter(&p1);
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Tcl_GetTime(&tclTime);
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GetSystemTimeAsFileTime(&sysTime);
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t1.LowPart = posixEpoch.dwLowDateTime;
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t1.HighPart = posixEpoch.dwHighDateTime;
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t2.LowPart = sysTime.dwLowDateTime;
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t2.HighPart = sysTime.dwHighDateTime;
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t2.QuadPart -= t1.QuadPart;
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QueryPerformanceCounter(&p2);
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result = Tcl_NewObj();
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Tcl_ListObjAppendElement(interp, result,
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Tcl_NewIntObj((int) (t2.QuadPart / 10000000)));
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Tcl_ListObjAppendElement(interp, result,
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Tcl_NewIntObj((int) ((t2.QuadPart / 10) % 1000000)));
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Tcl_ListObjAppendElement(interp, result, Tcl_NewIntObj(tclTime.sec));
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Tcl_ListObjAppendElement(interp, result, Tcl_NewIntObj(tclTime.usec));
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Tcl_ListObjAppendElement(interp, result, Tcl_NewWideIntObj(p1.QuadPart));
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Tcl_ListObjAppendElement(interp, result, Tcl_NewWideIntObj(p2.QuadPart));
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Tcl_SetObjResult(interp, result);
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return TCL_OK;
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}
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static int
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TestwinsleepCmd(
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ClientData clientData, /* Unused */
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Tcl_Interp* interp, /* Tcl interpreter */
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int objc, /* Parameter count */
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Tcl_Obj *const * objv) /* Parameter vector */
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{
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int ms;
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if (objc != 2) {
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Tcl_WrongNumArgs(interp, 1, objv, "ms");
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return TCL_ERROR;
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}
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if (Tcl_GetIntFromObj(interp, objv[1], &ms) != TCL_OK) {
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return TCL_ERROR;
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}
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Sleep((DWORD) ms);
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return TCL_OK;
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}
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static int
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TestSizeCmd(
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ClientData clientData, /* Unused */
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Tcl_Interp* interp, /* Tcl interpreter */
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int objc, /* Parameter count */
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Tcl_Obj *const * objv) /* Parameter vector */
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{
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if (objc != 2) {
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goto syntax;
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}
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if (strcmp(Tcl_GetString(objv[1]), "time_t") == 0) {
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Tcl_SetObjResult(interp, Tcl_NewWideIntObj(sizeof(time_t)));
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return TCL_OK;
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}
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if (strcmp(Tcl_GetString(objv[1]), "st_mtime") == 0) {
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Tcl_StatBuf *statPtr;
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Tcl_SetObjResult(interp, Tcl_NewWideIntObj(sizeof(statPtr->st_mtime)));
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return TCL_OK;
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}
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syntax:
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Tcl_WrongNumArgs(interp, 1, objv, "time_t|st_mtime");
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return TCL_ERROR;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TestExceptionCmd --
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*
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* Causes this process to end with the named exception. Used for testing
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* Tcl_WaitPid().
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*
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* Usage:
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* testexcept <type>
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*
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* Parameters:
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* Type of exception.
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*
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* Results:
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* None, this process closes now and doesn't return.
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*
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* Side effects:
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* This Tcl process closes, hard... Bang!
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*
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*----------------------------------------------------------------------
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*/
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static int
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TestExceptionCmd(
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ClientData dummy, /* Unused */
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Tcl_Interp* interp, /* Tcl interpreter */
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int objc, /* Argument count */
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Tcl_Obj *const objv[]) /* Argument vector */
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{
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static const char *const cmds[] = {
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"access_violation", "datatype_misalignment", "array_bounds",
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"float_denormal", "float_divbyzero", "float_inexact",
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"float_invalidop", "float_overflow", "float_stack", "float_underflow",
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"int_divbyzero", "int_overflow", "private_instruction", "inpageerror",
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"illegal_instruction", "noncontinue", "stack_overflow",
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"invalid_disp", "guard_page", "invalid_handle", "ctrl+c",
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NULL
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};
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static const DWORD exceptions[] = {
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EXCEPTION_ACCESS_VIOLATION, EXCEPTION_DATATYPE_MISALIGNMENT,
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EXCEPTION_ARRAY_BOUNDS_EXCEEDED, EXCEPTION_FLT_DENORMAL_OPERAND,
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EXCEPTION_FLT_DIVIDE_BY_ZERO, EXCEPTION_FLT_INEXACT_RESULT,
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EXCEPTION_FLT_INVALID_OPERATION, EXCEPTION_FLT_OVERFLOW,
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EXCEPTION_FLT_STACK_CHECK, EXCEPTION_FLT_UNDERFLOW,
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EXCEPTION_INT_DIVIDE_BY_ZERO, EXCEPTION_INT_OVERFLOW,
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EXCEPTION_PRIV_INSTRUCTION, EXCEPTION_IN_PAGE_ERROR,
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EXCEPTION_ILLEGAL_INSTRUCTION, EXCEPTION_NONCONTINUABLE_EXCEPTION,
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EXCEPTION_STACK_OVERFLOW, EXCEPTION_INVALID_DISPOSITION,
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EXCEPTION_GUARD_PAGE, EXCEPTION_INVALID_HANDLE, CONTROL_C_EXIT
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};
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int cmd;
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if (objc != 2) {
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Tcl_WrongNumArgs(interp, 0, objv, "<type-of-exception>");
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return TCL_ERROR;
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}
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if (Tcl_GetIndexFromObj(interp, objv[1], cmds, "command", 0,
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&cmd) != TCL_OK) {
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return TCL_ERROR;
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}
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/*
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* Make sure the GPF dialog doesn't popup.
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*/
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SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
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/*
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* As Tcl does not handle structured exceptions, this falls all the way
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* back up the instruction stack to the C run-time portion that called
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* main() where the process will now be terminated with this exception
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* code by the default handler the C run-time provides.
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*/
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/* SMASH! */
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RaiseException(exceptions[cmd], EXCEPTION_NONCONTINUABLE, 0, NULL);
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/* NOTREACHED */
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return TCL_OK;
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}
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static int
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TestplatformChmod(
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const char *nativePath,
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int pmode)
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{
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static const SECURITY_INFORMATION infoBits = OWNER_SECURITY_INFORMATION
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| GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION;
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/* don't reset change permissions mask (WRITE_DAC, allow test-cases restore it to cleanup) */
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static const DWORD readOnlyMask = FILE_DELETE_CHILD | FILE_ADD_FILE
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| FILE_ADD_SUBDIRECTORY | FILE_WRITE_EA | FILE_APPEND_DATA
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| FILE_WRITE_DATA
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| DELETE;
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/*
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* References to security functions (only available on NT and later).
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*/
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const BOOL set_readOnly = !(pmode & 0222);
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BOOL acl_readOnly_found = FALSE, curAclPresent, curAclDefaulted;
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SID_IDENTIFIER_AUTHORITY userSidAuthority = {
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SECURITY_WORLD_SID_AUTHORITY
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};
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BYTE *secDesc = 0;
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DWORD secDescLen, attr, newAclSize;
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ACL_SIZE_INFORMATION ACLSize;
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PACL curAcl, newAcl = 0;
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WORD j;
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SID *userSid = 0;
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char *userDomain = 0;
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int res = 0;
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/*
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* Process the chmod request.
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*/
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attr = GetFileAttributesA(nativePath);
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/*
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* nativePath not found
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*/
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if (attr == 0xFFFFFFFF) {
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res = -1;
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goto done;
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}
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/*
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* If nativePath is not a directory, there is no special handling.
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*/
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if (!(attr & FILE_ATTRIBUTE_DIRECTORY)) {
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goto done;
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}
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/*
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* Set the result to error, if the ACL change is successful it will be
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* reset to 0.
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*/
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res = -1;
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/*
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* Read the security descriptor for the directory. Note the first call
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* obtains the size of the security descriptor.
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*/
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if (!GetFileSecurityA(nativePath, infoBits, NULL, 0, &secDescLen)) {
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DWORD secDescLen2 = 0;
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
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goto done;
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}
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secDesc = ckalloc(secDescLen);
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if (!GetFileSecurityA(nativePath, infoBits,
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(PSECURITY_DESCRIPTOR) secDesc, secDescLen, &secDescLen2)
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|| (secDescLen < secDescLen2)) {
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goto done;
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}
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}
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/*
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* Get the World SID.
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*/
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userSid = ckalloc(GetSidLengthRequired((UCHAR) 1));
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InitializeSid(userSid, &userSidAuthority, (BYTE) 1);
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*(GetSidSubAuthority(userSid, 0)) = SECURITY_WORLD_RID;
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/*
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* If curAclPresent == false then curAcl and curAclDefaulted not valid.
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*/
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if (!GetSecurityDescriptorDacl((PSECURITY_DESCRIPTOR) secDesc,
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&curAclPresent, &curAcl, &curAclDefaulted)) {
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goto done;
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}
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if (!curAclPresent || !curAcl) {
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ACLSize.AclBytesInUse = 0;
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ACLSize.AceCount = 0;
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} else if (!GetAclInformation(curAcl, &ACLSize, sizeof(ACLSize),
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AclSizeInformation)) {
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goto done;
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}
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/*
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* Allocate memory for the new ACL.
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*/
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newAclSize = ACLSize.AclBytesInUse + sizeof(ACCESS_DENIED_ACE)
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+ GetLengthSid(userSid) - sizeof(DWORD);
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newAcl = ckalloc(newAclSize);
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/*
|
||
* Initialize the new ACL.
|
||
*/
|
||
|
||
if (!InitializeAcl(newAcl, newAclSize, ACL_REVISION)) {
|
||
goto done;
|
||
}
|
||
|
||
/*
|
||
* Add denied to make readonly, this will be known as a "read-only tag".
|
||
*/
|
||
|
||
if (set_readOnly && !AddAccessDeniedAce(newAcl, ACL_REVISION,
|
||
readOnlyMask, userSid)) {
|
||
goto done;
|
||
}
|
||
|
||
acl_readOnly_found = FALSE;
|
||
for (j = 0; j < ACLSize.AceCount; j++) {
|
||
LPVOID pACE2;
|
||
ACE_HEADER *phACE2;
|
||
|
||
if (!GetAce(curAcl, j, &pACE2)) {
|
||
goto done;
|
||
}
|
||
|
||
phACE2 = (ACE_HEADER *) pACE2;
|
||
|
||
/*
|
||
* Do NOT propagate inherited ACEs.
|
||
*/
|
||
|
||
if (phACE2->AceFlags & INHERITED_ACE) {
|
||
continue;
|
||
}
|
||
|
||
/*
|
||
* Skip the "read-only tag" restriction (either added above, or it is
|
||
* being removed).
|
||
*/
|
||
|
||
if (phACE2->AceType == ACCESS_DENIED_ACE_TYPE) {
|
||
ACCESS_DENIED_ACE *pACEd = (ACCESS_DENIED_ACE *) phACE2;
|
||
|
||
if (pACEd->Mask == readOnlyMask
|
||
&& EqualSid(userSid, (PSID) &pACEd->SidStart)) {
|
||
acl_readOnly_found = TRUE;
|
||
continue;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Copy the current ACE from the old to the new ACL.
|
||
*/
|
||
|
||
if (!AddAce(newAcl, ACL_REVISION, MAXDWORD, (PACL *) pACE2,
|
||
((PACE_HEADER) pACE2)->AceSize)) {
|
||
goto done;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Apply the new ACL. Note PROTECTED_DACL_SECURITY_INFORMATION can be used
|
||
* to remove inherited ACL (we need to overwrite the default ACL's in this case)
|
||
*/
|
||
|
||
if (set_readOnly == acl_readOnly_found || SetNamedSecurityInfoA(
|
||
(LPSTR) nativePath, SE_FILE_OBJECT,
|
||
DACL_SECURITY_INFORMATION /*| PROTECTED_DACL_SECURITY_INFORMATION*/,
|
||
NULL, NULL, newAcl, NULL) == ERROR_SUCCESS) {
|
||
res = 0;
|
||
}
|
||
|
||
done:
|
||
if (secDesc) {
|
||
ckfree(secDesc);
|
||
}
|
||
if (newAcl) {
|
||
ckfree(newAcl);
|
||
}
|
||
if (userSid) {
|
||
ckfree(userSid);
|
||
}
|
||
if (userDomain) {
|
||
ckfree(userDomain);
|
||
}
|
||
|
||
if (res != 0) {
|
||
return res;
|
||
}
|
||
|
||
/*
|
||
* Run normal chmod command.
|
||
*/
|
||
|
||
return chmod(nativePath, pmode);
|
||
}
|
||
|
||
/*
|
||
*---------------------------------------------------------------------------
|
||
*
|
||
* TestchmodCmd --
|
||
*
|
||
* Implements the "testchmod" cmd. Used when testing "file" command. The
|
||
* only attribute used by the Windows platform is the user write flag; if
|
||
* this is not set, the file is made read-only. Otherwise, the file is
|
||
* made read-write.
|
||
*
|
||
* Results:
|
||
* A standard Tcl result.
|
||
*
|
||
* Side effects:
|
||
* Changes permissions of specified files.
|
||
*
|
||
*---------------------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
TestchmodCmd(
|
||
ClientData dummy, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Parameter count */
|
||
Tcl_Obj *const * objv) /* Parameter vector */
|
||
{
|
||
int i, mode;
|
||
|
||
if (objc < 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "mode file ?file ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
if (Tcl_GetIntFromObj(interp, objv[1], &mode) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
for (i = 2; i < objc; i++) {
|
||
Tcl_DString buffer;
|
||
const char *translated;
|
||
|
||
translated = Tcl_TranslateFileName(interp, Tcl_GetString(objv[i]), &buffer);
|
||
if (translated == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (TestplatformChmod(translated, mode) != 0) {
|
||
Tcl_AppendResult(interp, translated, ": ", Tcl_PosixError(interp),
|
||
NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_DStringFree(&buffer);
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
* Local Variables:
|
||
* mode: c
|
||
* c-basic-offset: 4
|
||
* fill-column: 78
|
||
* End:
|
||
*/
|