ncurses 5.0

[ncurses.git] / ncurses / base / lib_initscr.c

diff --git a/ncurses/base/lib_initscr.c b/ncurses/base/lib_initscr.c
new file mode 100644 (file)
index 0000000..9a89a07
--- /dev/null
+++ b/ncurses/base/lib_initscr.c
@@ -0,0 +1,78 @@
+/****************************************************************************
+ * 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
+**
+**     The routines initscr(), and termname().
+**
+*/
+
+#include <curses.priv.h>
+#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 1.26 1998/12/19 23:10:09 tom Exp $")
+
+WINDOW *initscr(void)
+{
+static bool initialized = FALSE;
+NCURSES_CONST char *name;
+int value;
+
+       T((T_CALLED("initscr()")));
+       /* Portable applications must not call initscr() more than once */
+       if (!initialized) {
+               initialized = TRUE;
+
+               if ((name = getenv("TERM")) == 0
+                || *name == '\0')
+                       name = "unknown";
+               if (newterm(name, stdout, stdin) == 0) {
+                       fprintf(stderr, "Error opening terminal: %s.\n", name);
+                       exit(EXIT_FAILURE);
+               }
+
+               /* allow user to set maximum escape delay from the environment */
+               if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
+                       ESCDELAY = value;
+               }
+
+               /* def_shell_mode - done in newterm/_nc_setupscreen */
+               def_prog_mode();
+       }
+       returnWin(stdscr);
+}