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entered into RCS

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This commit is contained in:
Roland McGrath 1993-05-06 23:29:21 +00:00
parent 7ebb6b1f3c
commit 4f65119178
2 changed files with 31 additions and 4 deletions
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13
sysdeps/unix/bsd/sun/sunos4/speed.c
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@ -47,14 +47,14 @@ static CONST speed_t speeds[] =
speed_t speed_t
DEFUN(cfgetospeed, (termios_p), CONST struct termios *termios_p) DEFUN(cfgetospeed, (termios_p), CONST struct termios *termios_p)
{ {
return speeds[termios_p->c_cflag & CBAUD]; return termios_p->c_cflag & CBAUD;
} }
/* Return the input baud rate stored in *TERMIOS_P. */ /* Return the input baud rate stored in *TERMIOS_P. */
speed_t speed_t
DEFUN(cfgetispeed, (termios_p), CONST struct termios *termios_p) DEFUN(cfgetispeed, (termios_p), CONST struct termios *termios_p)
{ {
return speeds[(termios_p->c_cflag & CIBAUD) >> IBSHIFT]; return (termios_p->c_cflag & CIBAUD) >> IBSHIFT;
} }
/* Set the output baud rate stored in *TERMIOS_P to SPEED. */ /* Set the output baud rate stored in *TERMIOS_P to SPEED. */
@ -70,8 +70,12 @@ DEFUN(cfsetospeed, (termios_p, speed),
return -1; return -1;
} }
/* This allows either B1200 or 1200 to work. XXX
Do we really want to try to support this, given that
fetching the speed must return one or the other? */
for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i) for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i)
if (speeds[i] == speed) if (i == speed || speeds[i] == speed)
{ {
termios_p->c_cflag &= ~CBAUD; termios_p->c_cflag &= ~CBAUD;
termios_p->c_cflag |= i; termios_p->c_cflag |= i;
@ -95,8 +99,9 @@ DEFUN(cfsetispeed, (termios_p, speed),
return -1; return -1;
} }
/* See comment in cfsetospeed (above). */
for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i) for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i)
if (speeds[i] == speed) if (i == speed || speeds[i] == speed)
{ {
termios_p->c_cflag &= ~CIBAUD; termios_p->c_cflag &= ~CIBAUD;
termios_p->c_cflag |= i << IBSHIFT; termios_p->c_cflag |= i << IBSHIFT;

22
sysdeps/unix/bsd/sun/sunos4/termbits.h
View File

@ -107,6 +107,28 @@ struct termios
#define CIBAUD 0x000f0000 /* Mask for input speed from c_cflag. */ #define CIBAUD 0x000f0000 /* Mask for input speed from c_cflag. */
#define CBAUD 0x0000000f /* Mask for output speed from c_cflag. */ #define CBAUD 0x0000000f /* Mask for output speed from c_cflag. */
#define IBSHIFT 16 /* Bits to shift for input speed. */ #define IBSHIFT 16 /* Bits to shift for input speed. */
#endif
/* Input and output baud rates. These are encoded in c_cflag. */
#define B0 0
#define B50 1
#define B75 2
#define B110 3
#define B134 4
#define B150 5
#define B200 6
#define B300 7
#define B600 8
#define B1200 9
#define B1800 10
#define B2400 11
#define B4800 12
#define B9600 13
#define B19200 14
#define B38400 15
#ifdef __USE_BSD
#define EXTA 14
#define EXTB 15
#endif #endif
/* Local modes. */ /* Local modes. */