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[glibc.git] / termios / cfsetspeed.c
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1 /* Copyright (C) 1992, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <termios.h>
20 #include <errno.h>
21 #include <stddef.h>
23 struct speed_struct
25 speed_t value;
26 speed_t internal;
29 static const struct speed_struct speeds[] =
31 #ifdef B0
32 { 0, B0 },
33 #endif
34 #ifdef B50
35 { 50, B50 },
36 #endif
37 #ifdef B75
38 { 75, B75 },
39 #endif
40 #ifdef B110
41 { 110, B110 },
42 #endif
43 #ifdef B134
44 { 134, B134 },
45 #endif
46 #ifdef B150
47 { 150, B150 },
48 #endif
49 #ifdef B200
50 { 200, B200 },
51 #endif
52 #ifdef B300
53 { 300, B300 },
54 #endif
55 #ifdef B600
56 { 600, B600 },
57 #endif
58 #ifdef B1200
59 { 1200, B1200 },
60 #endif
61 #ifdef B1200
62 { 1200, B1200 },
63 #endif
64 #ifdef B1800
65 { 1800, B1800 },
66 #endif
67 #ifdef B2400
68 { 2400, B2400 },
69 #endif
70 #ifdef B4800
71 { 4800, B4800 },
72 #endif
73 #ifdef B9600
74 { 9600, B9600 },
75 #endif
76 #ifdef B19200
77 { 19200, B19200 },
78 #endif
79 #ifdef B38400
80 { 38400, B38400 },
81 #endif
82 #ifdef B57600
83 { 57600, B57600 },
84 #endif
85 #ifdef B76800
86 { 76800, B76800 },
87 #endif
88 #ifdef B115200
89 { 115200, B115200 },
90 #endif
91 #ifdef B153600
92 { 153600, B153600 },
93 #endif
94 #ifdef B230400
95 { 230400, B230400 },
96 #endif
97 #ifdef B307200
98 { 307200, B307200 },
99 #endif
100 #ifdef B460800
101 { 460800, B460800 },
102 #endif
106 /* Set both the input and output baud rates stored in *TERMIOS_P to SPEED. */
108 cfsetspeed (struct termios *termios_p, speed_t speed)
110 size_t cnt;
112 for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)
113 if (speed == speeds[cnt].internal)
115 cfsetispeed (termios_p, speed);
116 cfsetospeed (termios_p, speed);
117 return 0;
119 else if (speed == speeds[cnt].value)
121 cfsetispeed (termios_p, speeds[cnt].internal);
122 cfsetospeed (termios_p, speeds[cnt].internal);
123 return 0;
126 __set_errno (EINVAL);
128 return -1;