1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/* Copyright (C) 1992, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <termios.h>
#include <errno.h>
#include <stddef.h>
struct speed_struct
{
speed_t value;
speed_t internal;
};
static const struct speed_struct speeds[] =
{
#ifdef B0
{ 0, B0 },
#endif
#ifdef B50
{ 50, B50 },
#endif
#ifdef B75
{ 75, B75 },
#endif
#ifdef B110
{ 110, B110 },
#endif
#ifdef B134
{ 134, B134 },
#endif
#ifdef B150
{ 150, B150 },
#endif
#ifdef B200
{ 200, B200 },
#endif
#ifdef B300
{ 300, B300 },
#endif
#ifdef B600
{ 600, B600 },
#endif
#ifdef B1200
{ 1200, B1200 },
#endif
#ifdef B1200
{ 1200, B1200 },
#endif
#ifdef B1800
{ 1800, B1800 },
#endif
#ifdef B2400
{ 2400, B2400 },
#endif
#ifdef B4800
{ 4800, B4800 },
#endif
#ifdef B9600
{ 9600, B9600 },
#endif
#ifdef B19200
{ 19200, B19200 },
#endif
#ifdef B38400
{ 38400, B38400 },
#endif
#ifdef B57600
{ 57600, B57600 },
#endif
#ifdef B76800
{ 76800, B76800 },
#endif
#ifdef B115200
{ 115200, B115200 },
#endif
#ifdef B153600
{ 153600, B153600 },
#endif
#ifdef B230400
{ 230400, B230400 },
#endif
#ifdef B307200
{ 307200, B307200 },
#endif
#ifdef B460800
{ 460800, B460800 },
#endif
};
/* Set both the input and output baud rates stored in *TERMIOS_P to SPEED. */
int
cfsetspeed (struct termios *termios_p, speed_t speed)
{
size_t cnt;
for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)
if (speed == speeds[cnt].internal)
{
cfsetispeed (termios_p, speed);
cfsetospeed (termios_p, speed);
return 0;
}
else if (speed == speeds[cnt].value)
{
cfsetispeed (termios_p, speeds[cnt].internal);
cfsetospeed (termios_p, speeds[cnt].internal);
return 0;
}
__set_errno (EINVAL);
return -1;
}
|
