mes/lib/m2/isatty.c

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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
kaem.run: Remove --bootstrap-mode. * include/linux/arm/syscall.h, include/linux/x86/syscall.h, include/mes/constants.h: Remove CONSTANTs. * lib/m2/open.c: Move to... * lib/linux/open.c: ...here. Update to make gcc-compatible. * scaffold/argv.kaem: Update accordingly. * lib/linux/lseek.c (_leek, lseek): Suport M2-Planet. * lib/linux/_open3.c (_open3): Fix cast. * lib/linux/waitpid.c (waitpid): Suport M2-Planet. * lib/m2/getcwd.c (PATH_MAX): Remove CONSTANT. * lib/m2/isatty.c (TCGETS): Remove CONSTANT. * lib/mes/ntoab.c: Support M2-Planet. * lib/posix/getcwd.c (__getcwd_buf): Remove. * lib/posix/getenv.c (M2_PTR_SIZE)[__M2__]: Update to #define. * lib/posix/setenv.c: Likewise. * lib/stub/__raise.c (SIGABRT): Remove CONSTANT. * src/core.c (error): Use __M2__ instead of __M2_PLANET__. * src/gc.c (M2_CELL_SIZE)[__M2__]: Update to #define. Support non-bootstrap-mode. * src/symbol.c: Likewise. * src/vector.c: Likewise. * src/posix.c: Likewise. (__raise): Move to... * include/mes/lib-cc.h (__raise): ...this new file to avoid M2-Planet crash. * include/sys/types.h: Include it. * lib/mes/div.c (__raise): Remove prototype. [__TINYC__ || SYSTEM_LIBC] (__raise): Remove macro. * include/mes/lib.h (__raise)[SYSTEM_LIBC]: Remove prototype. * kaem.run: Remove --botstrap-mode. Update source list accordingly. * simple.make (M2_PLANET_FLAGS): Remove --bootstrap-mode. * simple.make (M2_SOURCES, M2_PLANET_INCLUDES): Update source list accordingly. * include/sys/types.h (EOF): Move to... * include/mes/lib-cccc.h (EOF): ...here, and... * include/m2/types.h (EOF): ...here, to avoid M2-Planet crash.
2022-11-14 04:25:55 +00:00
* Copyright © 2016,2017,2018,2019,2020,2022 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>
#define TCGETS 0x5401
struct ktermios
{
unsigned c_iflag;
unsigned c_oflag;
unsigned c_cflag;
unsigned c_lflag;
char c_line;
char c_cc[19];
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 = ioctl3 (filedes, TCGETS, __isatty_kernel_termios);
return r == 0;
}