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bcaad6ee | 1 | /* Copyright (C) 1991, 1995, 1996, 2000 Free Software Foundation, Inc. |
6d52618b | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
6d52618b | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
6d52618b UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <stddef.h> | |
21 | #include <termios.h> | |
22 | ||
bcaad6ee | 23 | static int bad_speed (speed_t speed); |
28f540f4 RM |
24 | |
25 | /* Set the state of FD to *TERMIOS_P. */ | |
26 | int | |
bcaad6ee | 27 | tcsetattr (int fd, int optional_actions, const struct termios *termios_p) |
28f540f4 RM |
28 | { |
29 | if (fd < 0) | |
30 | { | |
c4029823 | 31 | __set_errno (EBADF); |
28f540f4 RM |
32 | return -1; |
33 | } | |
34 | if (termios_p == NULL) | |
35 | { | |
c4029823 | 36 | __set_errno (EINVAL); |
28f540f4 RM |
37 | return -1; |
38 | } | |
39 | switch (optional_actions) | |
40 | { | |
41 | case TCSANOW: | |
42 | case TCSADRAIN: | |
43 | case TCSAFLUSH: | |
44 | break; | |
45 | default: | |
c4029823 | 46 | __set_errno (EINVAL); |
28f540f4 RM |
47 | return -1; |
48 | } | |
49 | ||
50 | if (bad_speed(termios_p->__ospeed) || | |
51 | bad_speed(termios_p->__ispeed == 0 ? | |
52 | termios_p->__ospeed : termios_p->__ispeed)) | |
53 | { | |
c4029823 | 54 | __set_errno (EINVAL); |
28f540f4 RM |
55 | return -1; |
56 | } | |
57 | ||
c4029823 | 58 | __set_errno (ENOSYS); |
28f540f4 RM |
59 | return -1; |
60 | } | |
61 | ||
62 | ||
6d52618b | 63 | /* Strychnine checking. */ |
28f540f4 | 64 | static int |
bcaad6ee | 65 | bad_speed (speed_t speed) |
28f540f4 RM |
66 | { |
67 | switch (speed) | |
68 | { | |
69 | case B0: | |
70 | case B50: | |
71 | case B75: | |
72 | case B110: | |
73 | case B134: | |
74 | case B150: | |
75 | case B200: | |
76 | case B300: | |
77 | case B600: | |
78 | case B1200: | |
79 | case B1800: | |
80 | case B2400: | |
81 | case B4800: | |
82 | case B9600: | |
83 | case B19200: | |
84 | case B38400: | |
85 | return 0; | |
86 | default: | |
87 | return 1; | |
88 | } | |
89 | } | |
90 | ||
91 | ||
3f33a4ce | 92 | stub_warning (tcsetattr) |
f2ea0f5b | 93 | #include <stub-tag.h> |