/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
-
/*
* lib_baudrate.c
*
*/
#include <curses.priv.h>
-#include <term.h> /* cur_term, pad_char */
-#include <termcap.h> /* ospeed */
+#include <termcap.h> /* ospeed */
+#if defined(__FreeBSD__)
+#include <sys/param.h>
+#endif
+
+/*
+ * These systems use similar header files, which define B1200 as 1200, etc.,
+ * but can be overridden by defining USE_OLD_TTY so B1200 is 9, which makes all
+ * of the indices up to B115200 fit nicely in a 'short', allowing us to retain
+ * ospeed's type for compatibility.
+ */
+#if NCURSES_OSPEED_COMPAT && ((defined(__FreeBSD__) && (__FreeBSD_version < 700000)) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__))
+#undef B0
+#undef B50
+#undef B75
+#undef B110
+#undef B134
+#undef B150
+#undef B200
+#undef B300
+#undef B600
+#undef B1200
+#undef B1800
+#undef B2400
+#undef B4800
+#undef B9600
+#undef B19200
+#undef EXTA
+#undef B38400
+#undef EXTB
+#undef B57600
+#undef B115200
+#undef B230400
+#undef B460800
+#undef B921600
+#define USE_OLD_TTY
+#include <sys/ttydev.h>
+#else
+#undef USE_OLD_TTY
+#endif /* USE_OLD_TTY */
-MODULE_ID("$Id: lib_baudrate.c,v 1.15 1999/01/31 03:05:25 tom Exp $")
+MODULE_ID("$Id: lib_baudrate.c,v 1.41 2016/08/28 00:35:00 tom Exp $")
/*
* int
*/
struct speed {
- speed_t s;
- int sp;
+ int given_speed; /* values for 'ospeed' */
+ int actual_speed; /* the actual speed */
};
-static struct speed const speeds[] = {
- {B0, 0},
- {B50, 50},
- {B75, 75},
- {B110, 110},
- {B134, 134},
- {B150, 150},
- {B200, 200},
- {B300, 300},
- {B600, 600},
- {B1200, 1200},
- {B1800, 1800},
- {B2400, 2400},
- {B4800, 4800},
- {B9600, 9600},
+#define DATA(number) { B##number, number }
+
+static struct speed const speeds[] =
+{
+ DATA(0),
+ DATA(50),
+ DATA(75),
+ DATA(110),
+ DATA(134),
+ DATA(150),
+ DATA(200),
+ DATA(300),
+ DATA(600),
+ DATA(1200),
+ DATA(1800),
+ DATA(2400),
+ DATA(4800),
+ DATA(9600),
#ifdef B19200
- {B19200, 19200},
-#else
-#ifdef EXTA
- {EXTA, 19200},
+ DATA(19200),
+#elif defined(EXTA)
+ {EXTA, 19200},
#endif
+#ifdef B28800
+ DATA(28800),
#endif
#ifdef B38400
- {B38400, 38400},
-#else
-#ifdef EXTB
- {EXTB, 38400},
-#endif
+ DATA(38400),
+#elif defined(EXTB)
+ {EXTB, 38400},
#endif
#ifdef B57600
- {B57600, 57600},
+ DATA(57600),
+#endif
+ /* ifdef to prevent overflow when OLD_TTY is not available */
+#if !(NCURSES_OSPEED_COMPAT && defined(__FreeBSD__) && (__FreeBSD_version > 700000))
+#ifdef B76800
+ DATA(76800),
#endif
#ifdef B115200
- {B115200, 115200},
+ DATA(115200),
+#endif
+#ifdef B153600
+ DATA(153600),
#endif
#ifdef B230400
- {B230400, 230400},
+ DATA(230400),
+#endif
+#ifdef B307200
+ DATA(307200),
#endif
#ifdef B460800
- {B460800, 460800},
+ DATA(460800),
+#endif
+#ifdef B500000
+ DATA(500000),
+#endif
+#ifdef B576000
+ DATA(576000),
+#endif
+#ifdef B921600
+ DATA(921600),
+#endif
+#ifdef B1000000
+ DATA(1000000),
+#endif
+#ifdef B1152000
+ DATA(1152000),
+#endif
+#ifdef B1500000
+ DATA(1500000),
+#endif
+#ifdef B2000000
+ DATA(2000000),
+#endif
+#ifdef B2500000
+ DATA(2500000),
+#endif
+#ifdef B3000000
+ DATA(3000000),
+#endif
+#ifdef B3500000
+ DATA(3500000),
+#endif
+#ifdef B4000000
+ DATA(4000000),
+#endif
#endif
};
-int _nc_baudrate(int OSpeed)
+NCURSES_EXPORT(int)
+_nc_baudrate(int OSpeed)
{
- static int last_OSpeed;
- static int last_baudrate;
+#if !USE_REENTRANT
+ static int last_OSpeed;
+ static int last_baudrate;
+#endif
- int result;
- unsigned i;
+ int result = ERR;
- if (OSpeed == last_OSpeed) {
- result = last_baudrate;
- } else {
- result = ERR;
- if (OSpeed >= 0) {
- for (i = 0; i < SIZEOF(speeds); i++) {
- if (speeds[i].s == (speed_t)OSpeed) {
- result = speeds[i].sp;
- break;
- }
- }
+ if (OSpeed < 0)
+ OSpeed = (NCURSES_OSPEED) OSpeed;
+ if (OSpeed < 0)
+ OSpeed = (unsigned short) OSpeed;
+#if !USE_REENTRANT
+ if (OSpeed == last_OSpeed) {
+ result = last_baudrate;
+ }
+#endif
+ if (result == ERR) {
+ if (OSpeed >= 0) {
+ unsigned i;
+
+ for (i = 0; i < SIZEOF(speeds); i++) {
+ if (speeds[i].given_speed > OSpeed) {
+ break;
+ }
+ if (speeds[i].given_speed == OSpeed) {
+ result = speeds[i].actual_speed;
+ break;
}
- last_baudrate = result;
+ }
}
- return (result);
+#if !USE_REENTRANT
+ if (OSpeed != last_OSpeed) {
+ last_OSpeed = OSpeed;
+ last_baudrate = result;
+ }
+#endif
+ }
+ return (result);
}
-
-int _nc_ospeed(int BaudRate)
+NCURSES_EXPORT(int)
+_nc_ospeed(int BaudRate)
{
- speed_t result = 1;
+ int result = 1;
+
+ if (BaudRate >= 0) {
unsigned i;
- if (BaudRate >= 0) {
- for (i = 0; i < SIZEOF(speeds); i++) {
- if (speeds[i].sp == BaudRate) {
- result = speeds[i].s;
- break;
- }
- }
+ for (i = 0; i < SIZEOF(speeds); i++) {
+ if (speeds[i].actual_speed == BaudRate) {
+ result = speeds[i].given_speed;
+ break;
+ }
}
- return (result);
+ }
+ return (result);
}
-int
-baudrate(void)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(baudrate) (NCURSES_SP_DCL0)
{
-int result;
+ int result;
- T((T_CALLED("baudrate()")));
+ T((T_CALLED("baudrate(%p)"), (void *) SP_PARM));
- /*
- * In debugging, allow the environment symbol to override when we're
- * redirecting to a file, so we can construct repeatable test-cases
- * that take into account costs that depend on baudrate.
- */
+ /*
+ * In debugging, allow the environment symbol to override when we're
+ * redirecting to a file, so we can construct repeatable test-cases
+ * that take into account costs that depend on baudrate.
+ */
#ifdef TRACE
- if (SP && !isatty(fileno(SP->_ofp))
- && getenv("BAUDRATE") != 0) {
- int ret;
- if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
- ret = 9600;
- ospeed = _nc_ospeed(ret);
- returnCode(ret);
- }
- else
+ if (IsValidTIScreen(SP_PARM)
+ && !NC_ISATTY(fileno(SP_PARM ? SP_PARM->_ofp : stdout))
+ && getenv("BAUDRATE") != 0) {
+ int ret;
+ if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
+ ret = 9600;
+ ospeed = (NCURSES_OSPEED) _nc_ospeed(ret);
+ returnCode(ret);
+ }
#endif
+ if (IsValidTIScreen(SP_PARM)) {
+#ifdef USE_OLD_TTY
+ result = (int) cfgetospeed(&(TerminalOf(SP_PARM)->Nttyb));
+ ospeed = (NCURSES_OSPEED) _nc_ospeed(result);
+#else /* !USE_OLD_TTY */
#ifdef TERMIOS
- ospeed = cfgetospeed(&cur_term->Nttyb);
+ ospeed = (NCURSES_OSPEED) cfgetospeed(&(TerminalOf(SP_PARM)->Nttyb));
#else
- ospeed = cur_term->Nttyb.sg_ospeed;
+ ospeed = (NCURSES_OSPEED) TerminalOf(SP_PARM)->Nttyb.sg_ospeed;
#endif
result = _nc_baudrate(ospeed);
- if (cur_term != 0)
- cur_term->_baudrate = result;
+#endif
+ TerminalOf(SP_PARM)->_baudrate = result;
+ } else {
+ result = ERR;
+ }
- returnCode(result);
+ returnCode(result);
}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+baudrate(void)
+{
+ return NCURSES_SP_NAME(baudrate) (CURRENT_SCREEN);
+}
+#endif
projects / ncurses.git / blobdiff