| 47 | #include <unistd.h> |
| 48 | |
| 49 | int |
| 50 | openpty(int *amaster, int *aslave, char *name, struct termios *termp, |
| 51 | struct winsize *winp) |
| 52 | { |
| 53 | const char *slavename; |
| 54 | int master, slave; |
| 55 | |
| 56 | master = posix_openpt(O_RDWR|O_NOCTTY); |
| 57 | if (master == -1) |
| 58 | return (-1); |
| 59 | |
| 60 | if (grantpt(master) == -1) |
| 61 | goto bad; |
| 62 | |
| 63 | if (unlockpt(master) == -1) |
| 64 | goto bad; |
| 65 | |
| 66 | slavename = ptsname(master); |
| 67 | if (slavename == NULL) |
| 68 | goto bad; |
| 69 | |
| 70 | slave = open(slavename, O_RDWR); |
| 71 | if (slave == -1) |
| 72 | goto bad; |
| 73 | |
| 74 | *amaster = master; |
| 75 | *aslave = slave; |
| 76 | |
| 77 | if (name) |
| 78 | strcpy(name, slavename); |
| 79 | if (termp) |
| 80 | tcsetattr(slave, TCSAFLUSH, termp); |
| 81 | if (winp) |
| 82 | ioctl(slave, TIOCSWINSZ, (char *)winp); |
| 83 | |
| 84 | return (0); |
| 85 | |
| 86 | bad: close(master); |
| 87 | return (-1); |
| 88 | } |
| 89 | |
| 90 | int |
| 91 | forkpty(int *amaster, char *name, struct termios *termp, struct winsize *winp) |