Tcl_SetVar -> Tcl_SetVar2 and comparable replacements, eliminating functions which are deprecated.

16 files changed, 58 insertions, 54 deletions

diff --git a/.fossil-settings/ignore-glob b/.fossil-settings/ignore-glob
index 9ed86b1..51ca1e2 100644
--- a/.fossil-settings/ignore-glob
+++ b/.fossil-settings/ignore-glob
@@ -17,8 +17,10 @@
 */tclsh*
 */tcltest*
 */versions.vc
+unix/autoMkindex.tcl
 unix/dltest.marker
 unix/tcl.pc
+unix/tclIndex
 unix/pkgs/*
 win/pkgs/*
 win/tcl.hpj
diff --git a/doc/AddErrInfo.3 b/doc/AddErrInfo.3
index caba125..0b59349 100644
--- a/doc/AddErrInfo.3
+++ b/doc/AddErrInfo.3
@@ -119,7 +119,7 @@ retrieve the stack trace when script evaluation returns
 \fBTCL_ERROR\fR, like so:
 .PP
 .CS
-int code = Tcl_Eval(interp, script);
+int code = Tcl_EvalEx(interp, script, -1, 0);
 if (code == TCL_ERROR) {
     Tcl_Obj *options = \fBTcl_GetReturnOptions\fR(interp, code);
     Tcl_Obj *key = Tcl_NewStringObj("-errorinfo", -1);
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 25f7e78..e3ac714 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -941,8 +941,8 @@ Tcl_CreateInterp(void)
      * Set up other variables such as tcl_version and tcl_library
      */
 
-    Tcl_SetVar(interp, "tcl_patchLevel", TCL_PATCH_LEVEL, TCL_GLOBAL_ONLY);
-    Tcl_SetVar(interp, "tcl_version", TCL_VERSION, TCL_GLOBAL_ONLY);
+    Tcl_SetVar2(interp, "tcl_patchLevel", NULL, TCL_PATCH_LEVEL, TCL_GLOBAL_ONLY);
+    Tcl_SetVar2(interp, "tcl_version", NULL, TCL_VERSION, TCL_GLOBAL_ONLY);
     Tcl_TraceVar2(interp, "tcl_precision", NULL,
 	    TCL_GLOBAL_ONLY|TCL_TRACE_READS|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
 	    TclPrecTraceProc, NULL);
@@ -6848,7 +6848,7 @@ Tcl_VarEvalVA(
 	Tcl_DStringAppend(&buf, string, -1);
     }
 
-    result = Tcl_Eval(interp, Tcl_DStringValue(&buf));
+    result = Tcl_EvalEx(interp, Tcl_DStringValue(&buf), -1, 0);
     Tcl_DStringFree(&buf);
     return result;
 }
@@ -6918,7 +6918,7 @@ Tcl_GlobalEval(
 
     savedVarFramePtr = iPtr->varFramePtr;
     iPtr->varFramePtr = iPtr->rootFramePtr;
-    result = Tcl_Eval(interp, command);
+    result = Tcl_EvalEx(interp, command, -1, 0);
     iPtr->varFramePtr = savedVarFramePtr;
     return result;
 }
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c
index c93e593..4cb81ea 100644
--- a/generic/tclCmdIL.c
+++ b/generic/tclCmdIL.c
@@ -1678,7 +1678,7 @@ InfoLibraryCmd(
 	return TCL_ERROR;
     }
 
-    libDirName = Tcl_GetVar(interp, "tcl_library", TCL_GLOBAL_ONLY);
+    libDirName = Tcl_GetVar2(interp, "tcl_library", NULL, TCL_GLOBAL_ONLY);
     if (libDirName != NULL) {
 	Tcl_SetObjResult(interp, Tcl_NewStringObj(libDirName, -1));
 	return TCL_OK;
@@ -1804,7 +1804,7 @@ InfoPatchLevelCmd(
 	return TCL_ERROR;
     }
 
-    patchlevel = Tcl_GetVar(interp, "tcl_patchLevel",
+    patchlevel = Tcl_GetVar2(interp, "tcl_patchLevel", NULL,
 	    (TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
     if (patchlevel != NULL) {
 	Tcl_SetObjResult(interp, Tcl_NewStringObj(patchlevel, -1));
diff --git a/generic/tclIOSock.c b/generic/tclIOSock.c
index c5b7d28..f61073b 100644
--- a/generic/tclIOSock.c
+++ b/generic/tclIOSock.c
@@ -197,7 +197,7 @@ TclCreateSocketAddress(
      */
 
     if (interp != NULL) {
-        family = Tcl_GetVar(interp, "::tcl::unsupported::socketAF", 0);
+        family = Tcl_GetVar2(interp, "::tcl::unsupported::socketAF", NULL, 0);
         if (family != NULL) {
             if (strcmp(family, "inet") == 0) {
                 hints.ai_family = AF_INET;
diff --git a/generic/tclInterp.c b/generic/tclInterp.c
index 66ce1e0..c281d6d 100644
--- a/generic/tclInterp.c
+++ b/generic/tclInterp.c
@@ -336,7 +336,7 @@ Tcl_Init(
     Tcl_Interp *interp)		/* Interpreter to initialize. */
 {
     if (tclPreInitScript != NULL) {
-	if (Tcl_Eval(interp, tclPreInitScript) == TCL_ERROR) {
+	if (Tcl_EvalEx(interp, tclPreInitScript, -1, 0) == TCL_ERROR) {
 	    return TCL_ERROR;
 	}
     }
@@ -382,7 +382,7 @@ Tcl_Init(
      * alternate tclInit command before calling Tcl_Init().
      */
 
-    return Tcl_Eval(interp,
+    return Tcl_EvalEx(interp,
 "if {[namespace which -command tclInit] eq \"\"} {\n"
 "  proc tclInit {} {\n"
 "    global tcl_libPath tcl_library env tclDefaultLibrary\n"
@@ -444,7 +444,7 @@ Tcl_Init(
 "    error $msg\n"
 "  }\n"
 "}\n"
-"tclInit");
+"tclInit", -1, 0);
 }
 
 /*
@@ -2368,7 +2368,7 @@ SlaveCreate(
 	    SlaveObjCmd, NRSlaveCmd, slaveInterp, SlaveObjCmdDeleteProc);
     Tcl_InitHashTable(&slavePtr->aliasTable, TCL_STRING_KEYS);
     Tcl_SetHashValue(hPtr, slavePtr);
-    Tcl_SetVar(slaveInterp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
+    Tcl_SetVar2(slaveInterp, "tcl_interactive", NULL, "0", TCL_GLOBAL_ONLY);
 
     /*
      * Inherit the recursion limit.
@@ -3195,8 +3195,8 @@ Tcl_MakeSafe(
 	 * Assume these functions all work. [Bug 2895741]
 	 */
 
-	(void) Tcl_Eval(interp,
-		"namespace eval ::tcl {namespace eval mathfunc {}}");
+	(void) Tcl_EvalEx(interp,
+		"namespace eval ::tcl {namespace eval mathfunc {}}", -1, 0);
 	(void) Tcl_CreateAlias(interp, "::tcl::mathfunc::min", master,
 		"::tcl::mathfunc::min", 0, NULL);
 	(void) Tcl_CreateAlias(interp, "::tcl::mathfunc::max", master,
diff --git a/generic/tclMain.c b/generic/tclMain.c
index 927de7e..de7e29e 100644
--- a/generic/tclMain.c
+++ b/generic/tclMain.c
@@ -246,7 +246,7 @@ Tcl_SourceRCFile(
     const char *fileName;
     Tcl_Channel chan;
 
-    fileName = Tcl_GetVar(interp, "tcl_rcFileName", TCL_GLOBAL_ONLY);
+    fileName = Tcl_GetVar2(interp, "tcl_rcFileName", NULL, TCL_GLOBAL_ONLY);
     if (fileName != NULL) {
 	Tcl_Channel c;
 	const char *fullName;
@@ -266,14 +266,16 @@ Tcl_SourceRCFile(
 
 	    c = Tcl_OpenFileChannel(NULL, fullName, "r", 0);
 	    if (c != NULL) {
+		Tcl_Obj *fullNameObj = Tcl_NewStringObj(fullName, -1);
 		Tcl_Close(NULL, c);
-		if (Tcl_EvalFile(interp, fullName) != TCL_OK) {
+		if (Tcl_FSEvalFile(interp, fullNameObj) != TCL_OK) {
 		    chan = Tcl_GetStdChannel(TCL_STDERR);
 		    if (chan) {
 			Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
 			Tcl_WriteChars(chan, "\n", 1);
 		    }
 		}
+		Tcl_DecrRefCount(fullNameObj);
 	    }
 	}
 	Tcl_DStringFree(&temp);
diff --git a/generic/tclOO.c b/generic/tclOO.c
index 0454bfe..9dae778 100644
--- a/generic/tclOO.c
+++ b/generic/tclOO.c
@@ -269,7 +269,7 @@ TclOOInit(
      * to be fully provided.
      */
 
-    if (Tcl_Eval(interp, initScript) != TCL_OK) {
+    if (Tcl_EvalEx(interp, initScript, -1, 0) != TCL_OK) {
 	return TCL_ERROR;
     }
 
@@ -463,7 +463,7 @@ InitFoundation(
     if (TclOODefineSlots(fPtr) != TCL_OK) {
 	return TCL_ERROR;
     }
-    return Tcl_Eval(interp, slotScript);
+    return Tcl_EvalEx(interp, slotScript, -1, 0);
 }
 
 /*
diff --git a/generic/tclParse.c b/generic/tclParse.c
index 568024b..5577e87 100644
--- a/generic/tclParse.c
+++ b/generic/tclParse.c
@@ -1022,7 +1022,7 @@ ParseComment(
 	if (parsePtr->commentStart == NULL) {
 	    parsePtr->commentStart = p;
 	}
-	
+
 	p++;
 	numBytes--;
 	while (numBytes) {
diff --git a/generic/tclTest.c b/generic/tclTest.c
index 7c30d36..8290582 100644
--- a/generic/tclTest.c
+++ b/generic/tclTest.c
@@ -1294,7 +1294,7 @@ TestcmdtraceCmd(
 	cmdTrace = Tcl_CreateObjTrace(interp, 50000,
 		TCL_ALLOW_INLINE_COMPILATION, ObjTraceProc,
 		(ClientData) &deleteCalled, ObjTraceDeleteProc);
-	result = Tcl_Eval(interp, argv[2]);
+	result = Tcl_EvalEx(interp, argv[2], -1, 0);
 	Tcl_DeleteTrace(interp, cmdTrace);
 	if (!deleteCalled) {
 	    Tcl_SetResult(interp, "Delete wasn't called", TCL_STATIC);
@@ -1308,7 +1308,7 @@ TestcmdtraceCmd(
 	Tcl_DStringInit(&buffer);
 	t1 = Tcl_CreateTrace(interp, 1, CmdTraceProc, &buffer);
 	t2 = Tcl_CreateTrace(interp, 50000, CmdTraceProc, &buffer);
-	result = Tcl_Eval(interp, argv[2]);
+	result = Tcl_EvalEx(interp, argv[2], -1, 0);
 	if (result == TCL_OK) {
 	    Tcl_ResetResult(interp);
 	    Tcl_AppendResult(interp, Tcl_DStringValue(&buffer), NULL);
@@ -1637,7 +1637,7 @@ DelDeleteProc(
 {
     DelCmd *dPtr = clientData;
 
-    Tcl_Eval(dPtr->interp, dPtr->deleteCmd);
+    Tcl_EvalEx(dPtr->interp, dPtr->deleteCmd, -1, 0);
     Tcl_ResetResult(dPtr->interp);
     ckfree(dPtr->deleteCmd);
     ckfree(dPtr);
@@ -3972,7 +3972,7 @@ TestregexpObjCmd(
 	    varName = Tcl_GetString(objv[2]);
 	    TclRegExpRangeUniChar(regExpr, -1, &start, &end);
 	    sprintf(resinfo, "%d %d", start, end-1);
-	    value = Tcl_SetVar(interp, varName, resinfo, 0);
+	    value = Tcl_SetVar2(interp, varName, NULL, resinfo, 0);
 	    if (value == NULL) {
 		Tcl_AppendResult(interp, "couldn't set variable \"",
 			varName, "\"", NULL);
@@ -3986,7 +3986,7 @@ TestregexpObjCmd(
 	    Tcl_RegExpGetInfo(regExpr, &info);
 	    varName = Tcl_GetString(objv[2]);
 	    sprintf(resinfo, "%ld", info.extendStart);
-	    value = Tcl_SetVar(interp, varName, resinfo, 0);
+	    value = Tcl_SetVar2(interp, varName, NULL, resinfo, 0);
 	    if (value == NULL) {
 		Tcl_AppendResult(interp, "couldn't set variable \"",
 			varName, "\"", NULL);
@@ -4329,7 +4329,7 @@ StaticInitProc(
     Tcl_Interp *interp)		/* Interpreter in which package is supposedly
 				 * being loaded. */
 {
-    Tcl_SetVar(interp, "x", "loaded", TCL_GLOBAL_ONLY);
+    Tcl_SetVar2(interp, "x", NULL, "loaded", TCL_GLOBAL_ONLY);
     return TCL_OK;
 }
 
@@ -4413,7 +4413,7 @@ TestupvarCmd(
 	} else if (strcmp(argv[4], "namespace") == 0) {
 	    flags = TCL_NAMESPACE_ONLY;
 	}
-	return Tcl_UpVar(interp, argv[1], argv[2], argv[3], flags);
+	return Tcl_UpVar2(interp, argv[1], argv[2], NULL, argv[3], flags);
     } else {
 	if (strcmp(argv[5], "global") == 0) {
 	    flags = TCL_GLOBAL_ONLY;
@@ -4907,10 +4907,10 @@ GetTimesObjCmd(
 	    timePer/100000);
 
     /* Tcl_SetVar 100000 times */
-    fprintf(stderr, "Tcl_SetVar of \"12345\" 100000 times\n");
+    fprintf(stderr, "Tcl_SetVar2 of \"12345\" 100000 times\n");
     Tcl_GetTime(&start);
     for (i = 0;  i < 100000;  i++) {
-	s = Tcl_SetVar(interp, "a", "12345", TCL_LEAVE_ERR_MSG);
+	s = Tcl_SetVar2(interp, "a", NULL, "12345", TCL_LEAVE_ERR_MSG);
 	if (s == NULL) {
 	    return TCL_ERROR;
 	}
@@ -4924,7 +4924,7 @@ GetTimesObjCmd(
     fprintf(stderr, "Tcl_GetVar of a==\"12345\" 100000 times\n");
     Tcl_GetTime(&start);
     for (i = 0;  i < 100000;  i++) {
-	s = Tcl_GetVar(interp, "a", TCL_LEAVE_ERR_MSG);
+	s = Tcl_GetVar2(interp, "a", NULL, TCL_LEAVE_ERR_MSG);
 	if (s == NULL) {
 	    return TCL_ERROR;
 	}
@@ -5194,7 +5194,7 @@ TestsaveresultCmd(
     if (((enum options) index) == RESULT_OBJECT) {
 	result = Tcl_EvalObjEx(interp, objv[2], 0);
     } else {
-	result = Tcl_Eval(interp, Tcl_GetString(objv[2]));
+	result = Tcl_EvalEx(interp, Tcl_GetString(objv[2]), -1, 0);
     }
 
     if (discard) {
@@ -6297,7 +6297,7 @@ TestReport(
 	savedResult = Tcl_GetObjResult(interp);
 	Tcl_IncrRefCount(savedResult);
 	Tcl_SetObjResult(interp, Tcl_NewObj());
-	Tcl_Eval(interp, Tcl_DStringValue(&ds));
+	Tcl_EvalEx(interp, Tcl_DStringValue(&ds), -1, 0);
 	Tcl_DStringFree(&ds);
 	Tcl_ResetResult(interp);
 	Tcl_SetObjResult(interp, savedResult);
diff --git a/generic/tclThreadTest.c b/generic/tclThreadTest.c
index 9c66313..1a05f80 100644
--- a/generic/tclThreadTest.c
+++ b/generic/tclThreadTest.c
@@ -657,7 +657,7 @@ ThreadErrorProc(
 
     sprintf(buf, "%" TCL_LL_MODIFIER "d", (Tcl_WideInt)(size_t)Tcl_GetCurrentThread());
 
-    errorInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
+    errorInfo = Tcl_GetVar2(interp, "errorInfo", NULL, TCL_GLOBAL_ONLY);
     if (errorProcString == NULL) {
 	errChannel = Tcl_GetStdChannel(TCL_STDERR);
 	Tcl_WriteChars(errChannel, "Error from thread ", -1);
@@ -1032,8 +1032,8 @@ ThreadEventProc(
 	code = Tcl_EvalEx(interp, threadEventPtr->script,-1,TCL_EVAL_GLOBAL);
 	Tcl_DeleteThreadExitHandler(ThreadFreeProc, threadEventPtr->script);
 	if (code != TCL_OK) {
-	    errorCode = Tcl_GetVar(interp, "errorCode", TCL_GLOBAL_ONLY);
-	    errorInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
+	    errorCode = Tcl_GetVar2(interp, "errorCode", NULL, TCL_GLOBAL_ONLY);
+	    errorInfo = Tcl_GetVar2(interp, "errorInfo", NULL, TCL_GLOBAL_ONLY);
 	} else {
 	    errorCode = errorInfo = NULL;
 	}
diff --git a/tests/event.test b/tests/event.test
index 207c799..ef0947f 100644
--- a/tests/event.test
+++ b/tests/event.test
@@ -595,16 +595,16 @@ test event-11.7 {Bug 16828b3744} {
 test event-11.8 {Bug 16828b3744} -setup {
     oo::class create A {
 	variable continue
-    
+
 	method start {} {
            after idle [self] destroy
-        
+
            set continue 0
            vwait [namespace current]::continue
 	}
 	destructor {
            set continue 1
-	}	
+	}
     }
 } -body {
     [A new] start
diff --git a/unix/dltest/pkgua.c b/unix/dltest/pkgua.c
index 417bedb..5de0101 100644
--- a/unix/dltest/pkgua.c
+++ b/unix/dltest/pkgua.c
@@ -224,7 +224,7 @@ Pkgua_Init(
 	return code;
     }
 
-    Tcl_SetVar(interp, "::pkgua_loaded", ".", TCL_APPEND_VALUE);
+    Tcl_SetVar2(interp, "::pkgua_loaded", NULL, ".", TCL_APPEND_VALUE);
 
     cmdTokens = PkguaInterpToTokens(interp);
     cmdTokens[cmdIndex++] =
@@ -299,7 +299,7 @@ Pkgua_Unload(
 
     PkguaDeleteTokens(interp);
 
-    Tcl_SetVar(interp, "::pkgua_detached", ".", TCL_APPEND_VALUE);
+    Tcl_SetVar2(interp, "::pkgua_detached", NULL, ".", TCL_APPEND_VALUE);
 
     if (flags == TCL_UNLOAD_DETACH_FROM_PROCESS) {
 	/*
@@ -309,7 +309,7 @@ Pkgua_Unload(
 	 */
 
 	PkguaFreeTokensHashTable();
-	Tcl_SetVar(interp, "::pkgua_unloaded", ".", TCL_APPEND_VALUE);
+	Tcl_SetVar2(interp, "::pkgua_unloaded", NULL, ".", TCL_APPEND_VALUE);
     }
     return TCL_OK;
 }
diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c
index 5fc0035..71b20e3 100644
--- a/unix/tclUnixInit.c
+++ b/unix/tclUnixInit.c
@@ -780,7 +780,7 @@ TclpSetVariables(
 		if (!Tcl_CreateNamespace(interp, "::tcl::mac", NULL, NULL)) {
 		    Tcl_ResetResult(interp);
 		}
-		Tcl_SetVar(interp, "::tcl::mac::locale", loc, TCL_GLOBAL_ONLY);
+		Tcl_SetVar2(interp, "::tcl::mac::locale", NULL, loc, TCL_GLOBAL_ONLY);
 	    }
 	}
 	CFRelease(localeRef);
@@ -791,9 +791,9 @@ TclpSetVariables(
 	const char *str;
 	CFBundleRef bundleRef;
 
-	Tcl_SetVar(interp, "tclDefaultLibrary", tclLibPath, TCL_GLOBAL_ONLY);
-	Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath, TCL_GLOBAL_ONLY);
-	Tcl_SetVar(interp, "tcl_pkgPath", " ",
+	Tcl_SetVar2(interp, "tclDefaultLibrary", NULL, tclLibPath, TCL_GLOBAL_ONLY);
+	Tcl_SetVar2(interp, "tcl_pkgPath", NULL, tclLibPath, TCL_GLOBAL_ONLY);
+	Tcl_SetVar2(interp, "tcl_pkgPath", NULL, " ",
 		TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
 
 	str = TclGetEnv("DYLD_FRAMEWORK_PATH", &ds);
@@ -809,9 +809,9 @@ TclpSetVariables(
 		    *p = ' ';
 		}
 	    } while (*p++);
-	    Tcl_SetVar(interp, "tcl_pkgPath", Tcl_DStringValue(&ds),
+	    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, Tcl_DStringValue(&ds),
 		    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
-	    Tcl_SetVar(interp, "tcl_pkgPath", " ",
+	    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, " ",
 		    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
 	    Tcl_DStringFree(&ds);
 	}
@@ -826,9 +826,9 @@ TclpSetVariables(
 			(unsigned char*) tclLibPath, MAXPATHLEN) &&
 			! TclOSstat(tclLibPath, &statBuf) &&
 			S_ISDIR(statBuf.st_mode)) {
-		    Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath,
+		    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, tclLibPath,
 			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
-		    Tcl_SetVar(interp, "tcl_pkgPath", " ",
+		    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, " ",
 			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
 		}
 		CFRelease(frameworksURL);
@@ -839,20 +839,20 @@ TclpSetVariables(
 			(unsigned char*) tclLibPath, MAXPATHLEN) &&
 			! TclOSstat(tclLibPath, &statBuf) &&
 			S_ISDIR(statBuf.st_mode)) {
-		    Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath,
+		    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, tclLibPath,
 			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
-		    Tcl_SetVar(interp, "tcl_pkgPath", " ",
+		    Tcl_SetVar2(interp, "tcl_pkgPath", NULL, " ",
 			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
 		}
 		CFRelease(frameworksURL);
 	    }
 	}
-	Tcl_SetVar(interp, "tcl_pkgPath", pkgPath,
+	Tcl_SetVar2(interp, "tcl_pkgPath", NULL, pkgPath,
 		TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
     } else
 #endif /* HAVE_COREFOUNDATION */
     {
-	Tcl_SetVar(interp, "tcl_pkgPath", pkgPath, TCL_GLOBAL_ONLY);
+	Tcl_SetVar2(interp, "tcl_pkgPath", NULL, pkgPath, TCL_GLOBAL_ONLY);
     }
 
 #ifdef DJGPP
diff --git a/unix/tclUnixSock.c b/unix/tclUnixSock.c
index 9c5cd4b..8167077 100644
--- a/unix/tclUnixSock.c
+++ b/unix/tclUnixSock.c
@@ -735,7 +735,7 @@ TcpHostPortList(
 #endif /* NEED_FAKE_RFC2553 */
     }
     /* Check if reverse DNS has been switched off globally */
-    if (interp != NULL && Tcl_GetVar(interp, SUPPRESS_RDNS_VAR, 0) != NULL) {
+    if (interp != NULL && Tcl_GetVar2(interp, SUPPRESS_RDNS_VAR, NULL, 0) != NULL) {
         flags |= NI_NUMERICHOST;
     }
     if (getnameinfo(&addr.sa, salen, host, sizeof(host), NULL, 0, flags) == 0) {
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index cc77afe..4690708 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -1319,7 +1319,7 @@ TcpGetOptionProc(
         return TCL_OK;
     }
 
-    if (interp != NULL && Tcl_GetVar(interp, SUPPRESS_RDNS_VAR, 0) != NULL) {
+    if (interp != NULL && Tcl_GetVar2(interp, SUPPRESS_RDNS_VAR, NULL, 0) != NULL) {
 	reverseDNS = NI_NUMERICHOST;
     }