GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_initscr.c Lines: 0 11 0.0 %
Date: 2017-11-07 Branches: 0 8 0.0 %

Line Branch Exec Source
1
/* $OpenBSD: lib_initscr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */
2
3
/****************************************************************************
4
 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
5
 *                                                                          *
6
 * Permission is hereby granted, free of charge, to any person obtaining a  *
7
 * copy of this software and associated documentation files (the            *
8
 * "Software"), to deal in the Software without restriction, including      *
9
 * without limitation the rights to use, copy, modify, merge, publish,      *
10
 * distribute, distribute with modifications, sublicense, and/or sell       *
11
 * copies of the Software, and to permit persons to whom the Software is    *
12
 * furnished to do so, subject to the following conditions:                 *
13
 *                                                                          *
14
 * The above copyright notice and this permission notice shall be included  *
15
 * in all copies or substantial portions of the Software.                   *
16
 *                                                                          *
17
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24
 *                                                                          *
25
 * Except as contained in this notice, the name(s) of the above copyright   *
26
 * holders shall not be used in advertising or otherwise to promote the     *
27
 * sale, use or other dealings in this Software without prior written       *
28
 * authorization.                                                           *
29
 ****************************************************************************/
30
31
/****************************************************************************
32
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34
 *     and: Thomas E. Dickey                        1996-2003               *
35
 ****************************************************************************/
36
37
/*
38
**	lib_initscr.c
39
**
40
**	The routines initscr(), and termname().
41
**
42
*/
43
44
#include <curses.priv.h>
45
46
#if HAVE_SYS_TERMIO_H
47
#include <sys/termio.h>		/* needed for ISC */
48
#endif
49
50
MODULE_ID("$Id: lib_initscr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $")
51
52
NCURSES_EXPORT(WINDOW *)
53
initscr(void)
54
{
55
    WINDOW *result;
56
57
    NCURSES_CONST char *name;
58
59
    START_TRACE();
60
    T((T_CALLED("initscr()")));
61
62
    _nc_init_pthreads();
63
    _nc_lock_global(curses);
64
65
    /* Portable applications must not call initscr() more than once */
66
    if (!_nc_globals.init_screen) {
67
	_nc_globals.init_screen = TRUE;
68
69
	if ((name = getenv("TERM")) == 0
70
	    || *name == '\0')
71
	    name = "unknown";
72
#ifdef __CYGWIN__
73
	/*
74
	 * 2002/9/21
75
	 * Work around a bug in Cygwin.  Full-screen subprocesses run from
76
	 * bash, in turn spawned from another full-screen process, will dump
77
	 * core when attempting to write to stdout.  Opening /dev/tty
78
	 * explicitly seems to fix the problem.
79
	 */
80
	if (isatty(fileno(stdout))) {
81
	    FILE *fp = fopen("/dev/tty", "w");
82
	    if (fp != 0 && isatty(fileno(fp))) {
83
		fclose(stdout);
84
		dup2(fileno(fp), STDOUT_FILENO);
85
		stdout = fdopen(STDOUT_FILENO, "w");
86
	    }
87
	}
88
#endif
89
	if (newterm(name, stdout, stdin) == 0) {
90
	    fprintf(stderr, "Error opening terminal: %s.\n", name);
91
	    exit(EXIT_FAILURE);
92
	}
93
94
	/* def_shell_mode - done in newterm/_nc_setupscreen */
95
	def_prog_mode();
96
    }
97
    result = stdscr;
98
    _nc_unlock_global(curses);
99
100
    returnWin(result);
101
}