diff options
Diffstat (limited to 'win/tclWinDde.c')
-rw-r--r-- | win/tclWinDde.c | 265 |
1 files changed, 115 insertions, 150 deletions
diff --git a/win/tclWinDde.c b/win/tclWinDde.c index 8dc8af4..4e4d500 100644 --- a/win/tclWinDde.c +++ b/win/tclWinDde.c @@ -1,4 +1,4 @@ -/* +/* * tclWinDde.c -- * * This file provides procedures that implement the "send" @@ -24,7 +24,7 @@ #undef TCL_STORAGE_CLASS #define TCL_STORAGE_CLASS DLLEXPORT -/* +/* * The following structure is used to keep track of the interpreters * registered by this process. */ @@ -68,9 +68,10 @@ static DWORD ddeInstance; /* The application instance handle given * to us by DdeInitialize. */ static int ddeIsServer = 0; -#define TCL_DDE_VERSION "1.2.4" -#define TCL_DDE_PACKAGE_NAME "dde" -#define TCL_DDE_SERVICE_NAME "TclEval" +#define TCL_DDE_VERSION "1.2.5" +#define TCL_DDE_PACKAGE_NAME "dde" +#define TCL_DDE_SERVICE_NAME "TclEval" +#define TCL_DDE_EXECUTE_RESULT "$TCLEVAL$EXECUTE$RESULT" TCL_DECLARE_MUTEX(ddeMutex) @@ -78,49 +79,27 @@ TCL_DECLARE_MUTEX(ddeMutex) * Forward declarations for procedures defined later in this file. */ -static void DdeExitProc _ANSI_ARGS_((ClientData clientData)); -static void DeleteProc _ANSI_ARGS_((ClientData clientData)); -static Tcl_Obj * ExecuteRemoteObject _ANSI_ARGS_(( - RegisteredInterp *riPtr, - Tcl_Obj *ddeObjectPtr)); -static int MakeDdeConnection _ANSI_ARGS_((Tcl_Interp *interp, - char *name, HCONV *ddeConvPtr)); -static HDDEDATA CALLBACK DdeServerProc _ANSI_ARGS_((UINT uType, +static void DdeExitProc(ClientData clientData); +static void DeleteProc(ClientData clientData); +static Tcl_Obj * ExecuteRemoteObject( + RegisteredInterp *riPtr, + Tcl_Obj *ddeObjectPtr); +static int MakeDdeConnection(Tcl_Interp *interp, + const char *name, HCONV *ddeConvPtr); +static HDDEDATA CALLBACK DdeServerProc(UINT uType, UINT uFmt, HCONV hConv, HSZ ddeTopic, - HSZ ddeItem, HDDEDATA hData, DWORD dwData1, - DWORD dwData2)); -static void SetDdeError _ANSI_ARGS_((Tcl_Interp *interp)); -static int DdeGetServicesList _ANSI_ARGS_(( + HSZ ddeItem, HDDEDATA hData, DWORD dwData1, + DWORD dwData2); +static void SetDdeError(Tcl_Interp *interp); +static int DdeGetServicesList( Tcl_Interp *interp, - char *serviceName, - char *topicName)); -int Tcl_DdeObjCmd(ClientData clientData, /* Used only for deletion */ - Tcl_Interp *interp, /* The interp we are sending from */ - int objc, /* Number of arguments */ - Tcl_Obj *CONST objv[]); /* The arguments */ - -EXTERN int Dde_Init(Tcl_Interp *interp); - -/* - * The following structures allow us to select between the Unicode and ASCII - * interfaces at run time based on whether Unicode APIs are available. The - * Unicode APIs are preferable because they will handle characters outside - * of the current code page. - */ - -typedef struct DdeWinProcs { - int uFmt; -} DdeWinProcs; + const char *serviceName, + const char *topicName); +static int DdeObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); -static DdeWinProcs *ddeWinProcs; - -static DdeWinProcs asciiProcs = { - CF_TEXT -}; - -static DdeWinProcs unicodeProcs = { - CF_UNICODETEXT -}; +EXTERN int Dde_Init(Tcl_Interp *interp); /* *---------------------------------------------------------------------- @@ -142,24 +121,12 @@ int Dde_Init( Tcl_Interp *interp) { - if (!Tcl_InitStubs(interp, "8.0", 0)) { + if (!Tcl_InitStubs(interp, "8.1", 0)) { return TCL_ERROR; } - /* - * Determine if the unicode interfaces are available and select the - * appropriate dde function table. - */ - - if (TclWinGetPlatformId() == VER_PLATFORM_WIN32_NT) { - ddeWinProcs = &unicodeProcs; - } else { - ddeWinProcs = &asciiProcs; - } - - Tcl_CreateObjCommand(interp, "dde", Tcl_DdeObjCmd, NULL, NULL); + Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, NULL, NULL); Tcl_CreateExitHandler(DdeExitProc, NULL); - return Tcl_PkgProvide(interp, TCL_DDE_PACKAGE_NAME, TCL_DDE_VERSION); } @@ -184,7 +151,7 @@ Initialize(void) { int nameFound = 0; ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); - + /* * See if the application is already registered; if so, remove its * current name from the registry. The deletion of the command @@ -206,7 +173,7 @@ Initialize(void) if (DdeInitialize(&ddeInstance, (PFNCALLBACK) DdeServerProc, CBF_SKIP_REGISTRATIONS | CBF_SKIP_UNREGISTRATIONS - | CBF_FAIL_POKES, 0) + | CBF_FAIL_POKES, 0) != DMLERR_NO_ERROR) { ddeInstance = 0; } @@ -226,7 +193,7 @@ Initialize(void) } Tcl_MutexUnlock(&ddeMutex); } -} +} /* *-------------------------------------------------------------- @@ -256,7 +223,7 @@ Initialize(void) static char * DdeSetServerName( Tcl_Interp *interp, - char *name /* The name that will be used to + const char *name /* The name that will be used to * refer to the interpreter in later * "send" commands. Must be globally * unique. */ @@ -272,7 +239,7 @@ DdeSetServerName( * will take care of disposing of this entry. */ - for (riPtr = tsdPtr->interpListPtr, prevPtr = NULL; riPtr != NULL; + for (riPtr = tsdPtr->interpListPtr, prevPtr = NULL; riPtr != NULL; prevPtr = riPtr, riPtr = riPtr->nextPtr) { if (riPtr->interp == interp) { if (name != NULL) { @@ -302,7 +269,7 @@ DdeSetServerName( return ""; } - + /* * Pick a name to use for the application. Use "name" if it's not * already in use. Otherwise add a suffix such as " #2", trying @@ -323,7 +290,7 @@ DdeSetServerName( tsdPtr->interpListPtr = riPtr; strcpy(riPtr->name, name); - Tcl_CreateObjCommand(interp, "dde", Tcl_DdeObjCmd, + Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, (ClientData) riPtr, DeleteProc); if (Tcl_IsSafe(interp)) { Tcl_HideCommand(interp, "dde", "dde"); @@ -334,7 +301,7 @@ DdeSetServerName( * re-initialize with the new name */ Initialize(); - + return riPtr->name; } @@ -459,11 +426,11 @@ DdeServerProc ( * are performing. */ UINT uFmt, /* The format that data is sent or * received. */ - HCONV hConv, /* The conversation associated with the + HCONV hConv, /* The conversation associated with the * current transaction. */ - HSZ ddeTopic, /* A string handle. Transaction-type + HSZ ddeTopic, /* A string handle. Transaction-type * dependent. */ - HSZ ddeItem, /* A string handle. Transaction-type + HSZ ddeItem, /* A string handle. Transaction-type * dependent. */ HDDEDATA hData, /* DDE data. Transaction-type dependent. */ DWORD dwData1, /* Transaction-dependent data. */ @@ -508,7 +475,7 @@ DdeServerProc ( case XTYP_CONNECT_CONFIRM: /* - * Dde has decided that we can connect, so it gives us a + * Dde has decided that we can connect, so it gives us a * conversation handle. We need to keep track of it * so we know which execution result to return in an * XTYP_REQUEST. @@ -518,9 +485,9 @@ DdeServerProc ( Tcl_DStringInit(&dString); Tcl_DStringSetLength(&dString, len); utilString = Tcl_DStringValue(&dString); - DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1, + DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1, CP_WINANSI); - for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; + for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr = riPtr->nextPtr) { if (stricmp(riPtr->name, utilString) == 0) { convPtr = (Conversation *) ckalloc(sizeof(Conversation)); @@ -543,7 +510,7 @@ DdeServerProc ( */ for (convPtr = tsdPtr->currentConversations, prevConvPtr = NULL; - convPtr != NULL; + convPtr != NULL; prevConvPtr = convPtr, convPtr = convPtr->nextPtr) { if (hConv == convPtr->hConv) { if (prevConvPtr == NULL) { @@ -568,7 +535,7 @@ DdeServerProc ( * last execute. */ - if ((uFmt != CF_TEXT) && (uFmt != ddeWinProcs->uFmt)) { + if ((uFmt != CF_TEXT) && (uFmt != CF_UNICODETEXT)) { return (HDDEDATA) FALSE; } @@ -588,36 +555,34 @@ DdeServerProc ( Tcl_DStringInit(&dString); Tcl_DStringSetLength(&dString, len); utilString = Tcl_DStringValue(&dString); - DdeQueryString(ddeInstance, ddeItem, utilString, + DdeQueryString(ddeInstance, ddeItem, utilString, (DWORD) len + 1, CP_WINANSI); - if (stricmp(utilString, "$TCLEVAL$EXECUTE$RESULT") == 0) { - returnString = - Tcl_GetStringFromObj(convPtr->returnPackagePtr, &len); - if (uFmt == CF_UNICODETEXT) { - Tcl_DStringFree(&dString); + if (stricmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) { + if (uFmt == CF_TEXT) { returnString = - Tcl_WinUtfToTChar(returnString, len, &dString); - len = Tcl_DStringLength(&dString) + 1; + Tcl_GetStringFromObj(convPtr->returnPackagePtr, &len); + } else { + returnString = (char *) + Tcl_GetUnicodeFromObj(convPtr->returnPackagePtr, &len); + len = 2 * len + 1; } ddeReturn = DdeCreateDataHandle(ddeInstance, - (BYTE *)returnString, (DWORD) len+1, 0, ddeItem, uFmt, - 0); + (BYTE *)returnString, (DWORD) len+1, 0, ddeItem, uFmt, 0); } else { Tcl_Obj *variableObjPtr = Tcl_GetVar2Ex( - convPtr->riPtr->interp, utilString, NULL, + convPtr->riPtr->interp, utilString, NULL, TCL_GLOBAL_ONLY); if (variableObjPtr != NULL) { - returnString = Tcl_GetStringFromObj(variableObjPtr, - &len); - if (uFmt == CF_UNICODETEXT) { - Tcl_DStringFree(&dString); + if (uFmt == CF_TEXT) { returnString = - Tcl_WinUtfToTChar(returnString, len, &dString); - len = Tcl_DStringLength(&dString) + 1; + Tcl_GetStringFromObj(variableObjPtr, &len); + } else { + returnString = (char *) + Tcl_GetUnicodeFromObj(variableObjPtr, &len); + len = 2 * len + 1; } ddeReturn = DdeCreateDataHandle(ddeInstance, - (BYTE *)returnString, (DWORD) len+1, 0, ddeItem, - uFmt, 0); + (BYTE *)returnString, (DWORD) len+1, 0, ddeItem, uFmt, 0); } else { ddeReturn = NULL; } @@ -657,7 +622,7 @@ DdeServerProc ( Tcl_DecrRefCount(convPtr->returnPackagePtr); } convPtr->returnPackagePtr = NULL; - returnPackagePtr = + returnPackagePtr = ExecuteRemoteObject(convPtr->riPtr, ddeObjectPtr); Tcl_IncrRefCount(returnPackagePtr); for (convPtr = tsdPtr->currentConversations; (convPtr != NULL) @@ -679,7 +644,7 @@ DdeServerProc ( return (HDDEDATA) DDE_FACK; } } - + case XTYP_WILDCONNECT: { /* @@ -703,10 +668,10 @@ DdeServerProc ( (numItems + 1) * sizeof(HSZPAIR), 0, 0, 0, 0); returnPtr = (HSZPAIR *) DdeAccessData(ddeReturn, &dlen); len = dlen; - for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems; + for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems; i++, riPtr = riPtr->nextPtr) { returnPtr[i].hszSvc = DdeCreateStringHandle( - ddeInstance, "TclEval", CP_WINANSI); + ddeInstance, TCL_DDE_SERVICE_NAME, CP_WINANSI); returnPtr[i].hszTopic = DdeCreateStringHandle( ddeInstance, riPtr->name, CP_WINANSI); } @@ -755,7 +720,7 @@ DdeExitProc( * * Results: * A standard Tcl result. - * + * * * Side effects: * Passes back a conversation through ddeConvPtr @@ -766,13 +731,13 @@ DdeExitProc( static int MakeDdeConnection( Tcl_Interp *interp, /* Used to report errors. */ - char *name, /* The connection to use. */ + const char *name, /* The connection to use. */ HCONV *ddeConvPtr) { HSZ ddeTopic, ddeService; HCONV ddeConv; - - ddeService = DdeCreateStringHandle(ddeInstance, "TclEval", 0); + + ddeService = DdeCreateStringHandle(ddeInstance, TCL_DDE_SERVICE_NAME, 0); ddeTopic = DdeCreateStringHandle(ddeInstance, name, 0); ddeConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL); @@ -818,7 +783,7 @@ typedef struct ddeEnumServices { HWND hwnd; } ddeEnumServices; -LRESULT CALLBACK +static LRESULT CALLBACK DdeClientWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); static LRESULT DdeServicesOnAck(HWND hwnd, WPARAM wParam, LPARAM lParam); @@ -845,7 +810,7 @@ DdeCreateClient(ddeEnumServices *es) return TCL_OK; } -LRESULT CALLBACK +static LRESULT CALLBACK DdeClientWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { LRESULT lr = 0L; @@ -926,7 +891,7 @@ DdeEnumWindowsCallback(HWND hwndTarget, LPARAM lParam) } static int -DdeGetServicesList(Tcl_Interp *interp, char *serviceName, char *topicName) +DdeGetServicesList(Tcl_Interp *interp, const char *serviceName, const char *topicName) { ddeEnumServices es; es.interp = interp; @@ -935,11 +900,11 @@ DdeGetServicesList(Tcl_Interp *interp, char *serviceName, char *topicName) ? (ATOM)0 : GlobalAddAtom(serviceName); es.topic = (topicName == NULL) ? (ATOM)0 : GlobalAddAtom(topicName); - + Tcl_ResetResult(interp); /* our list is to be appended to result. */ DdeCreateClient(&es); EnumWindows(DdeEnumWindowsCallback, (LPARAM)&es); - + if (IsWindow(es.hwnd)) DestroyWindow(es.hwnd); if (es.service != (ATOM)0) @@ -959,7 +924,7 @@ DdeGetServicesList(Tcl_Interp *interp, char *serviceName, char *topicName) * * Results: * None. - * + * * * Side effects: * The interp's result object is changed. @@ -988,7 +953,7 @@ SetDdeError( break; case DMLERR_NOTPROCESSED: - Tcl_SetStringObj(resultPtr, + Tcl_SetStringObj(resultPtr, "remote server cannot handle this command", -1); break; @@ -1000,7 +965,7 @@ SetDdeError( /* *-------------------------------------------------------------- * - * Tcl_DdeObjCmd -- + * DdeObjCmd -- * * This procedure is invoked to process the "dde" Tcl command. * See the user documentation for details on what it does. @@ -1014,12 +979,12 @@ SetDdeError( *-------------------------------------------------------------- */ -int -Tcl_DdeObjCmd( +static int +DdeObjCmd( ClientData clientData, /* Used only for deletion */ Tcl_Interp *interp, /* The interp we are sending from */ int objc, /* Number of arguments */ - Tcl_Obj *CONST *objv) /* The arguments */ + Tcl_Obj *const *objv) /* The arguments */ { enum { DDE_SERVERNAME, @@ -1030,11 +995,11 @@ Tcl_DdeObjCmd( DDE_EVAL }; - static CONST char *ddeCommands[] = {"servername", "execute", "poke", - "request", "services", "eval", + static const char *ddeCommands[] = {"servername", "execute", "poke", + "request", "services", "eval", (char *) NULL}; - static CONST char *ddeOptions[] = {"-async", (char *) NULL}; - static CONST char *ddeReqOptions[] = {"-binary", (char *) NULL}; + static const char *ddeOptions[] = {"-async", (char *) NULL}; + static const char *ddeReqOptions[] = {"-binary", (char *) NULL}; int index, argIndex; int async = 0, binary = 0; int result = TCL_OK; @@ -1045,7 +1010,7 @@ Tcl_DdeObjCmd( HDDEDATA ddeItemData = NULL; HCONV hConv = NULL; HSZ ddeCookie = 0; - char *serviceName, *topicName = NULL, *itemString; + const char *serviceName, *topicName = NULL, *itemString; char *string; int firstArg = 0, length, dataLength; DWORD ddeResult; @@ -1058,9 +1023,9 @@ Tcl_DdeObjCmd( /* * Initialize DDE server/client */ - + if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, + Tcl_WrongNumArgs(interp, 1, objv, "?-async? serviceName topicName value"); return TCL_ERROR; } @@ -1080,7 +1045,7 @@ Tcl_DdeObjCmd( break; case DDE_EXECUTE: if ((objc < 5) || (objc > 6)) { - Tcl_WrongNumArgs(interp, 1, objv, + Tcl_WrongNumArgs(interp, 1, objv, "execute ?-async? serviceName topicName value"); return TCL_ERROR; } @@ -1113,7 +1078,7 @@ Tcl_DdeObjCmd( break; case DDE_REQUEST: if ((objc < 5) || (objc > 6)) { - Tcl_WrongNumArgs(interp, 1, objv, + Tcl_WrongNumArgs(interp, 1, objv, "request ?-binary? serviceName topicName value"); return TCL_ERROR; } @@ -1146,7 +1111,7 @@ Tcl_DdeObjCmd( break; case DDE_EVAL: if (objc < 4) { - Tcl_WrongNumArgs(interp, 1, objv, + Tcl_WrongNumArgs(interp, 1, objv, "eval ?-async? serviceName args"); return TCL_ERROR; } @@ -1191,7 +1156,7 @@ Tcl_DdeObjCmd( if (length == 0) { topicName = NULL; } else { - ddeTopic = DdeCreateStringHandle(ddeInstance, + ddeTopic = DdeCreateStringHandle(ddeInstance, topicName, CP_WINANSI); } } @@ -1230,9 +1195,9 @@ Tcl_DdeObjCmd( (DWORD) dataLength+1, 0, 0, CF_TEXT, 0); if (ddeData != NULL) { if (async) { - DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0, + DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0, CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult); - DdeAbandonTransaction(ddeInstance, hConv, + DdeAbandonTransaction(ddeInstance, hConv, ddeResult); } else { ddeReturn = DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, @@ -1259,13 +1224,13 @@ Tcl_DdeObjCmd( hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL); DdeFreeStringHandle(ddeInstance, ddeService); DdeFreeStringHandle(ddeInstance, ddeTopic); - + if (hConv == NULL) { SetDdeError(interp); result = TCL_ERROR; } else { Tcl_Obj *returnObjPtr; - ddeItem = DdeCreateStringHandle(ddeInstance, + ddeItem = DdeCreateStringHandle(ddeInstance, itemString, CP_WINANSI); if (ddeItem != NULL) { ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem, @@ -1304,7 +1269,7 @@ Tcl_DdeObjCmd( goto errorNoResult; } dataString = (BYTE *) Tcl_GetStringFromObj(objv[firstArg + 3], &length); - + hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL); DdeFreeStringHandle(ddeInstance, ddeService); DdeFreeStringHandle(ddeInstance, ddeTopic); @@ -1348,12 +1313,12 @@ Tcl_DdeObjCmd( * See if the target interpreter is local. If so, execute * the command directly without going through the DDE server. * Don't exchange objects between interps. The target interp could - * compile an object, producing a bytecode structure that refers to - * other objects owned by the target interp. If the target interp - * is then deleted, the bytecode structure would be referring to + * compile an object, producing a bytecode structure that refers to + * other objects owned by the target interp. If the target interp + * is then deleted, the bytecode structure would be referring to * deallocated objects. */ - + for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr = riPtr->nextPtr) { if (stricmp(serviceName, riPtr->name) == 0) { @@ -1366,11 +1331,11 @@ Tcl_DdeObjCmd( * This command is to a local interp. No need to go through * the server. */ - + Tcl_Preserve((ClientData) riPtr); sendInterp = riPtr->interp; Tcl_Preserve((ClientData) sendInterp); - + /* * Don't exchange objects between interps. The target interp * would compile an object, producing a bytecode structure that @@ -1396,13 +1361,13 @@ Tcl_DdeObjCmd( * from the destination interpreter back to our * interpreter. */ - + Tcl_ResetResult(interp); - objPtr = Tcl_GetVar2Ex(sendInterp, "errorInfo", NULL, + objPtr = Tcl_GetVar2Ex(sendInterp, "errorInfo", NULL, TCL_GLOBAL_ONLY); string = Tcl_GetStringFromObj(objPtr, &length); Tcl_AddObjErrorInfo(interp, string, length); - + objPtr = Tcl_GetVar2Ex(sendInterp, "errorCode", NULL, TCL_GLOBAL_ONLY); Tcl_SetObjErrorCode(interp, objPtr); @@ -1416,16 +1381,16 @@ Tcl_DdeObjCmd( * This is a non-local request. Send the script to the server * and poll it for a result. */ - + if (MakeDdeConnection(interp, serviceName, &hConv) != TCL_OK) { goto error; } - + objPtr = Tcl_ConcatObj(objc, objv); string = Tcl_GetStringFromObj(objPtr, &length); ddeItemData = DdeCreateDataHandle(ddeInstance, (BYTE *) string, (DWORD) length+1, 0, 0, CF_TEXT, 0); - + if (async) { ddeData = DdeClientTransaction((LPBYTE) ddeItemData, 0xFFFFFFFF, hConv, 0, @@ -1436,24 +1401,24 @@ Tcl_DdeObjCmd( 0xFFFFFFFF, hConv, 0, CF_TEXT, XTYP_EXECUTE, 30000, NULL); if (ddeData != 0) { - - ddeCookie = DdeCreateStringHandle(ddeInstance, - "$TCLEVAL$EXECUTE$RESULT", CP_WINANSI); + + ddeCookie = DdeCreateStringHandle(ddeInstance, + TCL_DDE_EXECUTE_RESULT, CP_WINANSI); ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie, CF_TEXT, XTYP_REQUEST, 30000, NULL); } } Tcl_DecrRefCount(objPtr); - + if (ddeData == 0) { SetDdeError(interp); goto errorNoResult; } - + if (async == 0) { Tcl_Obj *resultPtr; - + /* * The return handle has a two or four element list in * it. The first element is the return code (TCL_OK, @@ -1462,14 +1427,14 @@ Tcl_DdeObjCmd( * element is the value of the variable "errorCode", and * the fourth is the value of the variable "errorInfo". */ - + resultPtr = Tcl_NewObj(); length = DdeGetData(ddeData, NULL, 0, 0); Tcl_SetObjLength(resultPtr, length); string = Tcl_GetString(resultPtr); DdeGetData(ddeData, (BYTE *) string, (DWORD) length, 0); Tcl_SetObjLength(resultPtr, (int) strlen(string)); - + if (Tcl_ListObjIndex(NULL, resultPtr, 0, &objPtr) != TCL_OK) { Tcl_DecrRefCount(resultPtr); @@ -1490,7 +1455,7 @@ Tcl_DdeObjCmd( length = -1; string = Tcl_GetStringFromObj(objPtr, &length); Tcl_AddObjErrorInfo(interp, string, length); - + Tcl_ListObjIndex(NULL, resultPtr, 2, &objPtr); Tcl_SetObjErrorCode(interp, objPtr); } |