projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 37aea27c | 1 | /*- |
| 80409bdc KB |
2 | * Copyright (c) 1982, 1988, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 37aea27c KB |
4 | * |
| 5 | * %sccs.include.proprietary.c% | |
| 6 | * | |
| 80409bdc | 7 | * @(#)ioctl.c 8.1 (Berkeley) %G% |
| 37aea27c KB |
8 | */ |
| 9 | ||
| 10 | #include <sys/param.h> | |
| 61ef809e | 11 | #include <stand.att/saio.h> |
| 37aea27c KB |
12 | |
| 13 | #ifndef SMALL | |
| 14 | ioctl(fdesc, cmd, arg) | |
| 15 | int fdesc, cmd; | |
| 16 | char *arg; | |
| 17 | { | |
| 18 | register struct iob *file; | |
| 19 | int error = 0; | |
| 20 | ||
| 21 | fdesc -= 3; | |
| 22 | if (fdesc < 0 || fdesc >= SOPEN_MAX || | |
| 23 | ((file = &iob[fdesc])->i_flgs&F_ALLOC) == 0) { | |
| 24 | errno = EBADF; | |
| 25 | return (-1); | |
| 26 | } | |
| 27 | switch (cmd) { | |
| 28 | ||
| 29 | case SAIOHDR: | |
| 30 | file->i_flgs |= F_HDR; | |
| 31 | break; | |
| 32 | ||
| 33 | case SAIOCHECK: | |
| 34 | file->i_flgs |= F_CHECK; | |
| 35 | break; | |
| 36 | ||
| 37 | case SAIOHCHECK: | |
| 38 | file->i_flgs |= F_HCHECK; | |
| 39 | break; | |
| 40 | ||
| 41 | case SAIONOBAD: | |
| 42 | file->i_flgs |= F_NBSF; | |
| 43 | break; | |
| 44 | ||
| 45 | case SAIODOBAD: | |
| 46 | file->i_flgs &= ~F_NBSF; | |
| 47 | break; | |
| 48 | ||
| 49 | default: | |
| 50 | error = devioctl(file, cmd, arg); | |
| 51 | break; | |
| 52 | } | |
| 53 | if (error < 0) | |
| 54 | errno = file->i_error; | |
| 55 | return (error); | |
| 56 | } | |
| 57 | #endif /* SMALL */ |