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sortix--sortix/libc/pty/openpty.c
Jonas 'Sortie' Termansen 365815401b Add openpty(3).
2016-11-23 22:31:05 +01:00

44 lines
1.3 KiB
C

/*
* Copyright (c) 2016 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* termios/openpty.c
* Create and open a pseudoterminal.
*/
#include <sys/ioctl.h>
#include <pty.h>
#include <string.h>
#include <termios.h>
int openpty(int* masterfd,
int* slavefd,
char* name,
const struct termios* tio,
const struct winsize* ws)
{
if ( mkpty(masterfd, slavefd, 0) < 0 )
return -1;
if ( name )
{
memcpy(name, "/dev/", 5);
ioctl(*masterfd, TIOCGNAME, name + 5);
}
if ( tio )
tcsetattr(*slavefd, TCSANOW, tio);
if ( ws )
ioctl(*masterfd, TIOCSWINSZ, ws);
return 0;
}