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#include <asm/ioctls.h>
#include <bits/ensure.h>
#include <errno.h>
#include <fcntl.h>
#include <pty.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/syscall.h>
#include <sys/ioctl.h>
int openpty(int *mfd, int *sfd, char *name, const struct termios *ios, const struct winsize *win) {
int ret;
int fds[2];
SYSCALL1(SYSCALL_OPENPTY, fds);
if (errno) {
return -1;
}
*mfd = fds[0];
*sfd = fds[1];
if (name != NULL) {
ret = ttyname_r(*mfd, name, (size_t)-1);
if (ret) {
return -1;
}
}
if (ios != NULL) {
ret = tcsetattr(*mfd, TCSANOW, ios);
if (ret) {
return -1;
}
}
if (win != NULL) {
ret = ioctl(*mfd, TIOCGWINSZ, win);
if (ret) {
return -1;
}
}
return ret;
}
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