fix display problem with tabs on win32tty

include/extern.h

@@ -1324,6 +1324,7 @@ E void NDECL(nttty_open);
 E void NDECL(nttty_rubout);
 E int NDECL(tgetch);
 E int FDECL(ntposkey,(int *, int *, int *));
+E void FDECL(set_output_mode, (int));
 #endif
 
 /* ### o_init.c ### */

include/flag.h

@@ -193,6 +193,8 @@ struct instance_flags {
 #endif
 #ifdef MICRO
 	boolean  BIOS;		/* use IBM or ST BIOS calls when appropriate */
+#endif
+#if defined(MICRO) || defined(WIN32)
 	boolean  rawio;		/* whether can use rawio (IOCTL call) */
 #endif
 #ifdef MAC_GRAPHICS_ENV

sys/share/pcmain.c

@@ -291,8 +291,19 @@ char *argv[];
 # endif
 #endif
 
-	if (!*plname)
+	if (!*plname) {
+#ifdef WIN32CON
+		boolean revert = FALSE;
+		if (!iflags.rawio) {
+			set_output_mode(1);
+			revert = TRUE;
+		}
+#endif
 		askname();
+#ifdef WIN32CON
+		if (revert && iflags.rawio) set_output_mode(0);
+#endif
+	}
 	plnamesuffix(); 	/* strip suffix from name; calls askname() */
 				/* again if suffix was whole name */
 				/* accepts any suffix */

sys/share/pcsys.c

@@ -416,6 +416,9 @@ msmsg VA_DECL(const char *, fmt)
 	if (iflags.grmode)
 		gr_finish();
 # endif
+#ifdef WIN32CON
+	if (iflags.rawio) set_output_mode(0);
+#endif
 	Vprintf(fmt, VA_ARGS);
 	flushout();
 	VA_END();

sys/share/pctty.c

@@ -75,6 +75,9 @@ error VA_DECL(const char *,s)
 	VA_INIT(s, const char *);
 	/* error() may get called before tty is initialized */
 	if (iflags.window_inited) end_screen();
+#ifdef WIN32CON
+	if (iflags.rawio) set_output_mode(0);
+#endif
 	putchar('\n');
 	Vprintf(s,VA_ARGS);
 	putchar('\n');

sys/share/pcunix.c

@@ -263,6 +263,9 @@ gotlock:
 # if defined(MSDOS) && defined(NO_TERMS)
 	if (grmode) gr_init();
 # endif
+#ifdef WIN32CON
+	if (!iflags.rawio) set_output_mode(1);
+#endif
 }	
 #endif /* PC_LOCKING */
 

sys/winnt/nttty.c

@@ -153,6 +153,38 @@ const char *s;
 	if(s) raw_print(s);
 }
 
+/*
+ * mode == 0	set processed console output mode.
+ * mode == 1	set raw console output mode (no control character expansion).
+ */
+void
+set_output_mode(mode)
+int mode;
+{
+	static DWORD save_output_cmode = 0;
+	static boolean initmode = FALSE;
+	DWORD cmode, mask = ENABLE_PROCESSED_OUTPUT;
+	if (!initmode) {
+		/* fetch original output mode */
+		GetConsoleMode(hConOut,&save_output_cmode);
+		initmode = TRUE;
+	}
+	if (mode == 0) {
+		cmode = save_output_cmode;
+		/* Turn ON the settings specified in the mask */
+		cmode |= mask;
+		SetConsoleMode(hConOut,cmode);
+		iflags.rawio = 0;
+	} else {
+		cmode = save_output_cmode;
+		/* Turn OFF the settings specified in the mask */
+		cmode &= ~mask;
+		SetConsoleMode(hConOut,cmode);
+		iflags.rawio = 1;
+	}
+}
+
+
 /* called by init_nhwindows() and resume_nhwindows() */
 void
 setftty()
@@ -219,6 +251,7 @@ DWORD ctrltype;
 		case CTRL_CLOSE_EVENT:
 		case CTRL_LOGOFF_EVENT:
 		case CTRL_SHUTDOWN_EVENT:
+			set_output_mode(0);  /* Allow processed output */
 			getreturn_disable = TRUE;
 #ifndef NOSAVEONHANGUP
 			hangup(0);
@@ -285,6 +318,8 @@ nttty_open()
 	cmode |= ENABLE_MOUSE_INPUT;
 #endif
 	SetConsoleMode(hConIn,cmode);
+
+	set_output_mode(1);	/* raw output mode; no tab expansion */
 	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE)) {
 		/* Unable to set control handler */
 		cmode = 0; 	/* just to have a statement to break on for debugger */

win/tty/wintty.c

@@ -707,7 +707,7 @@ tty_askname()
 		if(c < 'A' || (c > 'Z' && c < 'a') || c > 'z') c = '_';
 #endif
 		if (ct < (int)(sizeof plname) - 1) {
-#if defined(MICRO) || defined(WIN32CON)
+#if defined(MICRO)
 # if defined(MSDOS)
 			if (iflags.grmode) {
 				(void) putchar(c);