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- #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);
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