mescc: Mes C Library: Add isatty for M2-Planet.

* lib/m2/isatty.c: New file.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2020-07-25 20:04:27 +02:00
parent 232d69befb
commit d51c166364
No known key found for this signature in database
GPG Key ID: F3C1A0D9C1D65273
1 changed files with 54 additions and 0 deletions

54
lib/m2/isatty.c Normal file
View File

@ -0,0 +1,54 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mes/lib.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <string.h>
#include <termio.h>
// CONSTANT TCGETS 0x5401
#define TCGETS 0x5401
// CONSTANT NCCS 19
#define NCCS 19
struct ktermios
{
unsigned c_iflag;
unsigned c_oflag;
unsigned c_cflag;
unsigned c_lflag;
char c_line;
char c_cc[NCCS];
unsigned c_ispeed;
unsigned c_ospeed;
};
struct ktermios *__isatty_kernel_termios;
int
isatty (int filedes)
{
if (__isatty_kernel_termios == 0)
__isatty_kernel_termios = malloc (sizeof (struct ktermios));
int r = ioctl (filedes, TCGETS, __isatty_kernel_termios);
return r == 0;
}