Don't ever allow UTF-8 sequences of more than 4 characters to be generated or parsed, even when TCL_UTF_MAX>4: According to current Unicode standard, a byte string of >4 characters can never form a single UTF-8 character.

And a few minor micro-optimizations related to UTF-8 handling.

3 files changed, 6 insertions, 6 deletions

diff --git a/win/tclWinFile.c b/win/tclWinFile.c
index 3a856a1..9458933 100755
--- a/win/tclWinFile.c
+++ b/win/tclWinFile.c
@@ -3166,8 +3166,8 @@ TclWinFileOwned(
            case we are in all likelihood not the owner */
         return 0;
     }
-        
-    /* 
+
+    /*
      * Getting the current process SID is a multi-step process.
      * We make the assumption that if a call fails, this process is
      * so underprivileged it could not possibly own anything. Normally
@@ -3191,10 +3191,10 @@ TclWinFileOwned(
         LocalFree(secd);            /* Also frees ownerSid */
     if (buf)
         ckfree(buf);
-    
+
     return (owned != 0);        /* Convert non-0 to 1 */
 }
-    
+
 /*
  * Local Variables:
  * mode: c
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c
index 382addd..4666deb 100644
--- a/win/tclWinPipe.c
+++ b/win/tclWinPipe.c
@@ -1337,7 +1337,7 @@ ApplicationType(
 	Tcl_DStringFree(&ds);
 
 	ext = strrchr(fullName, '.');
-	if ((ext != NULL) && 
+	if ((ext != NULL) &&
             (strcasecmp(ext, ".cmd") == 0 || strcasecmp(ext, ".bat") == 0)) {
 	    applType = APPL_DOS;
 	    break;
diff --git a/win/tclWinPort.h b/win/tclWinPort.h
index b486466..159a708 100644
--- a/win/tclWinPort.h
+++ b/win/tclWinPort.h
@@ -360,7 +360,7 @@ typedef DWORD_PTR * PDWORD_PTR;
 #   define S_IFLNK        0120000  /* Symbolic Link */
 #endif
 
-/* 
+/*
  * Windows compilers do not define S_IFBLK. However, Tcl uses it in
  * GetTypeFromMode to identify blockSpecial devices based on the
  * value in the statsbuf st_mode field. We have no other way to pass this