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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* Copyright (C) 1991, 1993, 1996, 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stddef.h>
#include <termios.h>
#include "bsdtty.h"
const speed_t __bsd_speeds[] =
{
0,
50,
75,
110,
134,
150,
200,
300,
600,
1200,
1800,
2400,
4800,
9600,
19200,
38400,
};
/* Set the state of FD to *TERMIOS_P. */
int
tcsetattr (fd, optional_actions, termios_p)
int fd;
int optional_actions;
const struct termios *termios_p;
{
struct sgttyb buf;
struct tchars tchars;
struct ltchars ltchars;
int local;
#ifdef TIOCGETX
int extra;
#endif
size_t i;
if (__ioctl (fd, TIOCGETP, &buf) < 0 ||
__ioctl (fd, TIOCGETC, &tchars) < 0 ||
__ioctl (fd, TIOCGLTC, <chars) < 0 ||
#ifdef TIOCGETX
__ioctl (fd, TIOCGETX, &extra) < 0 ||
#endif
__ioctl (fd, TIOCLGET, &local) < 0)
return -1;
if (termios_p == NULL)
{
__set_errno (EINVAL);
return -1;
}
switch (optional_actions)
{
case TCSANOW:
break;
case TCSADRAIN:
if (tcdrain (fd) < 0)
return -1;
break;
case TCSAFLUSH:
if (tcflush (fd, TCIFLUSH) < 0)
return -1;
break;
default:
__set_errno (EINVAL);
return -1;
}
buf.sg_ispeed = buf.sg_ospeed = -1;
for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
{
if (__bsd_speeds[i] == termios_p->__ispeed)
buf.sg_ispeed = i;
if (__bsd_speeds[i] == termios_p->__ospeed)
buf.sg_ospeed = i;
}
if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
{
__set_errno (EINVAL);
return -1;
}
buf.sg_flags &= ~(CBREAK|RAW);
if (!(termios_p->c_lflag & ICANON))
buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
#ifdef LPASS8
if (termios_p->c_oflag & CS8)
local |= LPASS8;
else
local &= ~LPASS8;
#endif
if (termios_p->c_lflag & _NOFLSH)
local |= LNOFLSH;
else
local &= ~LNOFLSH;
if (termios_p->c_oflag & OPOST)
local &= ~LLITOUT;
else
local |= LLITOUT;
#ifdef TIOCGETX
if (termios_p->c_lflag & ISIG)
extra &= ~NOISIG;
else
extra |= NOISIG;
if (termios_p->c_cflag & CSTOPB)
extra |= STOPB;
else
extra &= ~STOPB;
#endif
if (termios_p->c_iflag & ICRNL)
buf.sg_flags |= CRMOD;
else
buf.sg_flags &= ~CRMOD;
if (termios_p->c_iflag & IXOFF)
buf.sg_flags |= TANDEM;
else
buf.sg_flags &= ~TANDEM;
buf.sg_flags &= ~(ODDP|EVENP);
if (!(termios_p->c_cflag & PARENB))
buf.sg_flags |= ODDP | EVENP;
else if (termios_p->c_cflag & PARODD)
buf.sg_flags |= ODDP;
else
buf.sg_flags |= EVENP;
if (termios_p->c_lflag & _ECHO)
buf.sg_flags |= ECHO;
else
buf.sg_flags &= ~ECHO;
if (termios_p->c_lflag & ECHOE)
local |= LCRTERA;
else
local &= ~LCRTERA;
if (termios_p->c_lflag & ECHOK)
local |= LCRTKIL;
else
local &= ~LCRTKIL;
if (termios_p->c_lflag & _TOSTOP)
local |= LTOSTOP;
else
local &= ~LTOSTOP;
buf.sg_erase = termios_p->c_cc[VERASE];
buf.sg_kill = termios_p->c_cc[VKILL];
tchars.t_eofc = termios_p->c_cc[VEOF];
tchars.t_intrc = termios_p->c_cc[VINTR];
tchars.t_quitc = termios_p->c_cc[VQUIT];
ltchars.t_suspc = termios_p->c_cc[VSUSP];
tchars.t_startc = termios_p->c_cc[VSTART];
tchars.t_stopc = termios_p->c_cc[VSTOP];
if (__ioctl (fd, TIOCSETP, &buf) < 0 ||
__ioctl (fd, TIOCSETC, &tchars) < 0 ||
__ioctl (fd, TIOCSLTC, <chars) < 0 ||
#ifdef TIOCGETX
__ioctl (fd, TIOCSETX, &extra) < 0 ||
#endif
__ioctl (fd, TIOCLSET, &local) < 0)
return -1;
return 0;
}
|
