/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2008,2009 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-2003 *
****************************************************************************/
/*
*/
#include <curses.priv.h>
-#include <tic.h> /* for MAX_ALIAS */
#if HAVE_SYS_TERMIO_H
-#include <sys/termio.h> /* needed for ISC */
+#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 $")
+MODULE_ID("$Id: lib_initscr.c,v 1.39 2009/02/14 20:55:49 tom Exp $")
-WINDOW *initscr(void)
+NCURSES_EXPORT(WINDOW *)
+initscr(void)
{
-static bool initialized = FALSE;
-NCURSES_CONST char *name;
-int value;
+ WINDOW *result;
- T((T_CALLED("initscr()")));
- /* Portable applications must not call initscr() more than once */
- if (!initialized) {
- initialized = TRUE;
+ NCURSES_CONST char *name;
- 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);
- }
+ START_TRACE();
+ T((T_CALLED("initscr()")));
- /* allow user to set maximum escape delay from the environment */
- if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
- ESCDELAY = value;
- }
+ _nc_init_pthreads();
+ _nc_lock_global(curses);
- /* def_shell_mode - done in newterm/_nc_setupscreen */
- def_prog_mode();
+ /* Portable applications must not call initscr() more than once */
+ if (!_nc_globals.init_screen) {
+ _nc_globals.init_screen = TRUE;
+
+ if ((name = getenv("TERM")) == 0
+ || *name == '\0')
+ name = "unknown";
+#ifdef __CYGWIN__
+ /*
+ * 2002/9/21
+ * Work around a bug in Cygwin. Full-screen subprocesses run from
+ * bash, in turn spawned from another full-screen process, will dump
+ * core when attempting to write to stdout. Opening /dev/tty
+ * explicitly seems to fix the problem.
+ */
+ if (isatty(fileno(stdout))) {
+ FILE *fp = fopen("/dev/tty", "w");
+ if (fp != 0 && isatty(fileno(fp))) {
+ fclose(stdout);
+ dup2(fileno(fp), STDOUT_FILENO);
+ stdout = fdopen(STDOUT_FILENO, "w");
+ }
+ }
+#endif
+ if (newterm(name, stdout, stdin) == 0) {
+ fprintf(stderr, "Error opening terminal: %s.\n", name);
+ exit(EXIT_FAILURE);
}
- returnWin(stdscr);
+
+ /* def_shell_mode - done in newterm/_nc_setupscreen */
+#if NCURSES_SP_FUNCS
+ NCURSES_SP_NAME(def_prog_mode) (CURRENT_SCREEN);
+#else
+ def_prog_mode();
+#endif
+ }
+ result = stdscr;
+ _nc_unlock_global(curses);
+
+ returnWin(result);
}