Import Tcl 8.6.10

generic/tclParse.c

@@ -613,7 +613,7 @@ Tcl_ParseCommand(
 
 int
 TclIsSpaceProc(
-    char byte)
+    int byte)
 {
     return CHAR_TYPE(byte) & (TYPE_SPACE) || byte == '\n';
 }
@@ -642,7 +642,7 @@ TclIsSpaceProc(
 
 int
 TclIsBareword(
-    char byte)
+    int byte)
 {
     if (byte < '0' || byte > 'z') {
 	return 0;
@@ -844,7 +844,7 @@ TclParseBackslash(
     Tcl_UniChar unichar = 0;
     int result;
     int count;
-    char buf[TCL_UTF_MAX];
+    char buf[TCL_UTF_MAX] = "";
 
     if (numBytes == 0) {
 	if (readPtr != NULL) {
@@ -991,7 +991,13 @@ TclParseBackslash(
     if (readPtr != NULL) {
 	*readPtr = count;
     }
-    return Tcl_UniCharToUtf(result, dst);
+    count = Tcl_UniCharToUtf(result, dst);
+#if TCL_UTF_MAX > 3
+     if ((result >= 0xD800) && (count < 3)) {
+	count += Tcl_UniCharToUtf(-1, dst + count);
+    }
+#endif
+    return count;
 }
 
 /*
@@ -2211,7 +2217,7 @@ TclSubstTokens(
 	Tcl_Obj *appendObj = NULL;
 	const char *append = NULL;
 	int appendByteLength = 0;
-	char utfCharBytes[TCL_UTF_MAX];
+	char utfCharBytes[TCL_UTF_MAX] = "";
 
 	switch (tokenPtr->type) {
 	case TCL_TOKEN_TEXT: