| #include <stdlib.h> |
| #include <sys/ioctl.h> |
| #include <stdio.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include "libc.h" |
| #include "syscall.h" |
| |
| int posix_openpt(int flags) |
| { |
| return open("/dev/ptmx", flags); |
| } |
| |
| int grantpt(int fd) |
| { |
| return 0; |
| } |
| |
| int unlockpt(int fd) |
| { |
| int unlock = 0; |
| return ioctl(fd, TIOCSPTLCK, &unlock); |
| } |
| |
| int __ptsname_r(int fd, char *buf, size_t len) |
| { |
| int pty, err; |
| if (!buf) len = 0; |
| if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return -err; |
| if (snprintf(buf, len, "/dev/pts/%d", pty) >= len) return ERANGE; |
| return 0; |
| } |
| |
| weak_alias(__ptsname_r, ptsname_r); |