ncurses 4.2

[ncurses.git] / ncurses / lib_initscr.c

diff --git a/ncurses/lib_initscr.c b/ncurses/lib_initscr.c
index 3a995d22f662fcb2c3011a9e8c0d5220f69c5087..e33f0b345de7f1713ed8464c3acae80cb1268e0f 100644 (file)
--- a/ncurses/lib_initscr.c
+++ b/ncurses/lib_initscr.c
@@ -1,23 +1,35 @@
-
-/***************************************************************************
-*                            COPYRIGHT NOTICE                              *
-****************************************************************************
-*                ncurses is copyright (C) 1992-1995                        *
-*                          Zeyd M. Ben-Halim                               *
-*                          zmbenhal@netcom.com                             *
-*                          Eric S. Raymond                                 *
-*                          esr@snark.thyrsus.com                           *
-*                                                                          *
-*        Permission is hereby granted to reproduce and distribute ncurses  *
-*        by any means and for any fee, whether alone or as part of a       *
-*        larger distribution, in source or in binary form, PROVIDED        *
-*        this notice is included with any such distribution, and is not    *
-*        removed from any of its header files. Mention of ncurses in any   *
-*        applications linked with it is highly appreciated.                *
-*                                                                          *
-*        ncurses comes AS IS with no warranty, implied or expressed.       *
-*                                                                          *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ ****************************************************************************/
 
 /*
 **     lib_initscr.c
@@ -27,42 +39,13 @@
 */
 
 #include <curses.priv.h>
-#include <term.h>      /* cur_term */
+#include <tic.h>       /* for MAX_ALIAS */
 
 #if HAVE_SYS_TERMIO_H
 #include <sys/termio.h>        /* needed for ISC */
 #endif
 
-MODULE_ID("$Id: lib_initscr.c,v 1.18 1997/03/08 14:03:59 tom Exp $")
-
-#ifndef ONLCR          /* Allows compilation under the QNX 4.2 OS */
-#define ONLCR 0
-#endif
-
-/*
- * SVr4/XSI Curses specify that hardware echo is turned off in initscr, and not
- * restored during the curses session.  The library simulates echo in software.
- * (The behavior is unspecified if the application enables hardware echo).
- *
- * The newterm function also initializes terminal settings.
- */
-int _nc_initscr(void)
-{
-       /* for extended XPG4 conformance requires cbreak() at this point */
-       /* (SVr4 curses does this anyway) */
-       cbreak();
-
-#ifdef TERMIOS
-       cur_term->Nttyb.c_lflag &= ~(ECHO|ECHONL);
-       cur_term->Nttyb.c_iflag &= ~(ICRNL|INLCR|IGNCR);
-       cur_term->Nttyb.c_oflag &= ~(ONLCR);
-#else
-       cur_term->Nttyb.sg_flags &= ~(ECHO|CRMOD);
-#endif
-       if ((SET_TTY(cur_term->Filedes, &cur_term->Nttyb)) == -1)
-               return ERR;
-       return OK;
-}
+MODULE_ID("$Id: lib_initscr.c,v 1.21 1998/02/11 12:14:00 tom Exp $")
 
 WINDOW *initscr(void)
 {
@@ -74,7 +57,8 @@ const char *name;
        if (!initialized) {
                initialized = TRUE;
 
-               if ((name = getenv("TERM")) == 0)
+               if ((name = getenv("TERM")) == 0
+                || *name == '\0')
                        name = "unknown";
                if (newterm(name, stdout, stdin) == 0) {
                        fprintf(stderr, "Error opening terminal: %s.\n", name);
@@ -94,7 +78,7 @@ const char *name;
 char *termname(void)
 {
 char   *term = getenv("TERM");
-static char    ret[15];
+static char    ret[MAX_ALIAS];
 
        T(("termname() called"));