X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_ttyflags.c;h=a2b38a3327f12e3ca264a85e9afafc59b68f314c;hb=b6bff46512483ea0da80307fd50ce70172d3eb24;hp=4cbbf504a0c7e1c085d5de1783954bf0c338e393;hpb=2c829dd4faf4c7933e06804793e84079300e34e9;p=ncurses.git

diff --git a/ncurses/tinfo/lib_ttyflags.c b/ncurses/tinfo/lib_ttyflags.c
index 4cbbf504..a2b38a33 100644
--- a/ncurses/tinfo/lib_ttyflags.c
+++ b/ncurses/tinfo/lib_ttyflags.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -38,7 +38,7 @@
 #include <curses.priv.h>
 #include <term.h>		/* cur_term */
 
-MODULE_ID("$Id: lib_ttyflags.c,v 1.15 2007/05/26 18:54:25 tom Exp $")
+MODULE_ID("$Id: lib_ttyflags.c,v 1.18 2008/08/03 22:10:44 tom Exp $")
 
 NCURSES_EXPORT(int)
 _nc_get_tty_mode(TTY * buf)
@@ -65,7 +65,8 @@ _nc_get_tty_mode(TTY * buf)
 	    memset(buf, 0, sizeof(*buf));
 
 	TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
-			cur_term->Filedes, _nc_trace_ttymode(buf)));
+			cur_term ? cur_term->Filedes : -1,
+			_nc_trace_ttymode(buf)));
     }
     return (result);
 }
@@ -93,7 +94,8 @@ _nc_set_tty_mode(TTY * buf)
 	    }
 	}
 	TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
-			cur_term->Filedes, _nc_trace_ttymode(buf)));
+			cur_term ? cur_term->Filedes : -1,
+			_nc_trace_ttymode(buf)));
     }
     return (result);
 }
@@ -101,41 +103,49 @@ _nc_set_tty_mode(TTY * buf)
 NCURSES_EXPORT(int)
 def_shell_mode(void)
 {
-    T((T_CALLED("def_shell_mode()")));
+    int rc = ERR;
 
-    /*
-     * If XTABS was on, remove the tab and backtab capabilities.
-     */
+    T((T_CALLED("def_shell_mode()")));
 
-    if (_nc_get_tty_mode(&cur_term->Ottyb) != OK)
-	returnCode(ERR);
+    if (cur_term != 0) {
+	/*
+	 * If XTABS was on, remove the tab and backtab capabilities.
+	 */
+	if (_nc_get_tty_mode(&cur_term->Ottyb) == OK) {
 #ifdef TERMIOS
-    if (cur_term->Ottyb.c_oflag & OFLAGS_TABS)
-	tab = back_tab = NULL;
+	    if (cur_term->Ottyb.c_oflag & OFLAGS_TABS)
+		tab = back_tab = NULL;
 #else
-    if (cur_term->Ottyb.sg_flags & XTABS)
-	tab = back_tab = NULL;
+	    if (cur_term->Ottyb.sg_flags & XTABS)
+		tab = back_tab = NULL;
 #endif
-    returnCode(OK);
+	    rc = OK;
+	}
+    }
+    returnCode(rc);
 }
 
 NCURSES_EXPORT(int)
 def_prog_mode(void)
 {
-    T((T_CALLED("def_prog_mode()")));
+    int rc = ERR;
 
-    /*
-     * Turn off the XTABS bit in the tty structure if it was on.
-     */
+    T((T_CALLED("def_prog_mode()")));
 
-    if (_nc_get_tty_mode(&cur_term->Nttyb) != OK)
-	returnCode(ERR);
+    if (cur_term != 0) {
+	/*
+	 * Turn off the XTABS bit in the tty structure if it was on.
+	 */
+	if (_nc_get_tty_mode(&cur_term->Nttyb) == OK) {
 #ifdef TERMIOS
-    cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS;
+	    cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS;
 #else
-    cur_term->Nttyb.sg_flags &= ~XTABS;
+	    cur_term->Nttyb.sg_flags &= ~XTABS;
 #endif
-    returnCode(OK);
+	    rc = OK;
+	}
+    }
+    returnCode(rc);
 }
 
 NCURSES_EXPORT(int)
@@ -147,7 +157,7 @@ reset_prog_mode(void)
 	if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) {
 	    if (SP) {
 		if (SP->_keypad_on)
-		    _nc_keypad(TRUE);
+		    _nc_keypad(SP, TRUE);
 		NC_BUFFERED(TRUE);
 	    }
 	    returnCode(OK);
@@ -163,7 +173,7 @@ reset_shell_mode(void)
 
     if (cur_term != 0) {
 	if (SP) {
-	    _nc_keypad(FALSE);
+	    _nc_keypad(SP, FALSE);
 	    _nc_flush();
 	    NC_BUFFERED(FALSE);
 	}