* win32/win32.c (rb_w32_write_console): stop the VT100 emulation if the

  console supports it natively.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54026 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Mar  8 16:54:29 2016  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* win32/win32.c (rb_w32_write_console): stop the VT100 emulation if the
+	  console supports it natively.
+
 Tue Mar  8 08:13:01 2016  Rei Odaira  <Rei.Odaira@gmail.com>
 
 	* test/net/imap/test_imap.rb (test_idle_timeout): Because of the

win32/win32.c

@@ -7069,19 +7069,29 @@ rb_w32_write_console(uintptr_t strarg, int fd)
 	break;
     }
     reslen = 0;
-    while (len > 0) {
-	long curlen = constat_parse(handle, s, (next = ptr, &next), &len);
-	reslen += next - ptr;
-	if (curlen > 0) {
-	    DWORD written;
-	    if (!WriteConsoleW(handle, ptr, curlen, &written, NULL)) {
-		if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
-		    disable = TRUE;
-		reslen = (DWORD)-1L;
-		break;
+    if (dwMode & 4) {	/* ENABLE_VIRTUAL_TERMINAL_PROCESSING */
+	DWORD written;
+	if (!WriteConsoleW(handle, ptr, len, &written, NULL)) {
+	    if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
+		disable = TRUE;
+	    reslen = (DWORD)-1L;
+	}
+    }
+    else {
+	while (len > 0) {
+	    long curlen = constat_parse(handle, s, (next = ptr, &next), &len);
+	    reslen += next - ptr;
+	    if (curlen > 0) {
+		DWORD written;
+		if (!WriteConsoleW(handle, ptr, curlen, &written, NULL)) {
+		    if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
+			disable = TRUE;
+		    reslen = (DWORD)-1L;
+		    break;
+		}
 	    }
+	    ptr = next;
 	}
-	ptr = next;
     }
     RB_GC_GUARD(str);
     if (wbuffer) free(wbuffer);