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This commit is contained in:
Joe Merten
2016-12-16 10:41:23 +01:00
parent b601136f56
commit 13fd331d41
7 changed files with 2338 additions and 2338 deletions
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150
termios2.c
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@ -54,59 +54,59 @@
int
tc2setattr(int fd, int optional_actions, const struct termios *tios)
{
struct termios2 t2;
int cmd;
struct termios2 t2;
int cmd;
switch (optional_actions) {
case TCSANOW:
cmd = IOCTL_SETS;
break;
case TCSADRAIN:
cmd = IOCTL_SETSW;
break;
case TCSAFLUSH:
cmd = IOCTL_SETSF;
break;
default:
errno = EINVAL;
return -1;
}
switch (optional_actions) {
case TCSANOW:
cmd = IOCTL_SETS;
break;
case TCSADRAIN:
cmd = IOCTL_SETSW;
break;
case TCSAFLUSH:
cmd = IOCTL_SETSF;
break;
default:
errno = EINVAL;
return -1;
}
t2.c_iflag = tios->c_iflag & ~IBAUD0;
t2.c_oflag = tios->c_oflag;
t2.c_cflag = tios->c_cflag;
t2.c_lflag = tios->c_lflag;
t2.c_line = tios->c_line;
t2.c_ispeed = tios->c_ispeed;
t2.c_ospeed = tios->c_ospeed;
memcpy(&t2.c_cc[0], &tios->c_cc[0], K_NCCS * sizeof (cc_t));
t2.c_iflag = tios->c_iflag & ~IBAUD0;
t2.c_oflag = tios->c_oflag;
t2.c_cflag = tios->c_cflag;
t2.c_lflag = tios->c_lflag;
t2.c_line = tios->c_line;
t2.c_ispeed = tios->c_ispeed;
t2.c_ospeed = tios->c_ospeed;
memcpy(&t2.c_cc[0], &tios->c_cc[0], K_NCCS * sizeof (cc_t));
return ioctl(fd, cmd, &t2);
return ioctl(fd, cmd, &t2);
}
int
tc2getattr(int fd, struct termios *tios)
{
struct termios2 t2;
size_t i;
int r;
struct termios2 t2;
size_t i;
int r;
r = ioctl(fd, IOCTL_GETS, &t2);
if (r < 0) return r;
r = ioctl(fd, IOCTL_GETS, &t2);
if (r < 0) return r;
tios->c_iflag = t2.c_iflag;
tios->c_oflag = t2.c_oflag;
tios->c_cflag = t2.c_cflag;
tios->c_lflag = t2.c_lflag;
tios->c_line = t2.c_line;
tios->c_ispeed = t2.c_ispeed;
tios->c_ospeed = t2.c_ospeed;
memcpy(&tios->c_cc[0], &t2.c_cc[0], K_NCCS * sizeof (cc_t));
tios->c_iflag = t2.c_iflag;
tios->c_oflag = t2.c_oflag;
tios->c_cflag = t2.c_cflag;
tios->c_lflag = t2.c_lflag;
tios->c_line = t2.c_line;
tios->c_ispeed = t2.c_ispeed;
tios->c_ospeed = t2.c_ospeed;
memcpy(&tios->c_cc[0], &t2.c_cc[0], K_NCCS * sizeof (cc_t));
for (i = K_NCCS; i < NCCS; i++)
tios->c_cc[i] = _POSIX_VDISABLE;
for (i = K_NCCS; i < NCCS; i++)
tios->c_cc[i] = _POSIX_VDISABLE;
return 0;
return 0;
}
/* The termios2 interface supports separate input and output
@ -124,22 +124,22 @@ tc2getattr(int fd, struct termios *tios)
int
cf2setispeed(struct termios *tios, speed_t speed)
{
if ( (speed & ~CBAUD) != 0
&& (speed < B57600 || speed > __MAX_BAUD) ) {
errno = EINVAL;
return -1;
}
tios->c_ispeed = speed;
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (speed << IBSHIFT);
if ( (speed & ~CBAUD) != 0
&& (speed < B57600 || speed > __MAX_BAUD) ) {
errno = EINVAL;
return -1;
}
tios->c_ispeed = speed;
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (speed << IBSHIFT);
return 0;
return 0;
}
speed_t
cf2getispeed(struct termios *tios)
{
return (tios->c_cflag >> IBSHIFT) & (CBAUD | CBAUDEX);
return (tios->c_cflag >> IBSHIFT) & (CBAUD | CBAUDEX);
}
/* Use these to set custom input or output speeds (i.e. speeds that do
@ -148,37 +148,37 @@ cf2getispeed(struct termios *tios)
int
cf2setospeed_custom(struct termios *tios, int speed)
{
if ( speed <= 0 ) {
errno = EINVAL;
return -1;
}
tios->c_cflag &= ~(CBAUD | CBAUDEX);
tios->c_cflag |= BOTHER;
tios->c_ospeed = speed;
if ( speed <= 0 ) {
errno = EINVAL;
return -1;
}
tios->c_cflag &= ~(CBAUD | CBAUDEX);
tios->c_cflag |= BOTHER;
tios->c_ospeed = speed;
return 0;
return 0;
}
int
cf2setispeed_custom(struct termios *tios, int speed)
{
if ( speed < 0 ) {
errno = EINVAL;
return -1;
}
if ( speed == 0 ) {
/* Special case: ispeed == 0 means "same as ospeed". Kernel
does this if it sees B0 in the "CIBAUD" field (i.e. in
CBAUD << IBSHIFT) */
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (B0 << IBSHIFT);
} else {
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (BOTHER << IBSHIFT);
tios->c_ispeed = speed;
}
if ( speed < 0 ) {
errno = EINVAL;
return -1;
}
if ( speed == 0 ) {
/* Special case: ispeed == 0 means "same as ospeed". Kernel
does this if it sees B0 in the "CIBAUD" field (i.e. in
CBAUD << IBSHIFT) */
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (B0 << IBSHIFT);
} else {
tios->c_cflag &= ~((CBAUD | CBAUDEX) << IBSHIFT);
tios->c_cflag |= (BOTHER << IBSHIFT);
tios->c_ispeed = speed;
}
return 0;
return 0;
}
/***************************************************************************/