/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright 2019,2020 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 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-on *
****************************************************************************/
/*
*/
#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 1.32 2002/10/12 15:24:34 tom Exp $")
+MODULE_ID("$Id: lib_initscr.c,v 1.45 2020/02/02 23:34:34 tom Exp $")
NCURSES_EXPORT(WINDOW *)
initscr(void)
{
- static bool initialized = FALSE;
- NCURSES_CONST char *name;
- int value;
+ WINDOW *result;
START_TRACE();
T((T_CALLED("initscr()")));
+
+ _nc_init_pthreads();
+ _nc_lock_global(curses);
+
/* Portable applications must not call initscr() more than once */
- if (!initialized) {
- initialized = TRUE;
+ if (!_nc_globals.init_screen) {
+ const char *env;
+ char *name;
+
+ _nc_globals.init_screen = TRUE;
- if ((name = getenv("TERM")) == 0
- || *name == '\0')
- name = "unknown";
+ if ((env = getenv("TERM")) == 0
+ || *env == '\0') {
+ env = "unknown";
+ }
+ if ((name = strdup(env)) == NULL) {
+ fprintf(stderr, "Error opening allocating $TERM.\n");
+ ExitProgram(EXIT_FAILURE);
+ }
#ifdef __CYGWIN__
/*
* 2002/9/21
* core when attempting to write to stdout. Opening /dev/tty
* explicitly seems to fix the problem.
*/
- if (isatty(fileno(stdout))) {
+ if (NC_ISATTY(fileno(stdout))) {
FILE *fp = fopen("/dev/tty", "w");
- if (fp != 0 && isatty(fileno(fp))) {
+ if (fp != 0 && NC_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);
- }
-
- /* allow user to set maximum escape delay from the environment */
- if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
- ESCDELAY = value;
+ ExitProgram(EXIT_FAILURE);
}
/* 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
+ free(name);
}
- returnWin(stdscr);
+ result = stdscr;
+ _nc_unlock_global(curses);
+
+ returnWin(result);
}