+++ /dev/null
-/****************************************************************************
- * Copyright (c) 1998 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 *
- * "Software"), to deal in the Software without restriction, including *
- * without limitation the rights to use, copy, modify, merge, publish, *
- * distribute, distribute with modifications, sublicense, and/or sell *
- * copies of the Software, and to permit persons to whom the Software is *
- * furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included *
- * in all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
- * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
- * *
- * Except as contained in this notice, the name(s) of the above copyright *
- * holders shall not be used in advertising or otherwise to promote the *
- * sale, use or other dealings in this Software without prior written *
- * authorization. *
- ****************************************************************************/
-
-/****************************************************************************
- * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
- ****************************************************************************/
-
-
-/*
- * raw.c
- *
- * Routines:
- * raw()
- * cbreak()
- * noraw()
- * nocbreak()
- * qiflush()
- * noqiflush()
- * intrflush()
- *
- */
-
-#include <curses.priv.h>
-#include <term.h> /* cur_term */
-
-MODULE_ID("$Id: lib_raw.c,v 1.25 1998/02/11 12:13:59 tom Exp $")
-
-#if defined(SVR4_TERMIO) && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
-#endif
-
-#if HAVE_SYS_TERMIO_H
-#include <sys/termio.h> /* needed for ISC */
-#endif
-
-#ifdef __EMX__
-#include <io.h>
-#include <fcntl.h>
-#endif
-
-/* may be undefined if we're using termio.h */
-#ifndef TOSTOP
-#define TOSTOP 0
-#endif
-#ifndef IEXTEN
-#define IEXTEN 0
-#endif
-
-#define COOKED_INPUT (IXON|BRKINT|PARMRK)
-
-#ifdef TRACE
-
-typedef struct {unsigned int val; const char *name;} BITNAMES;
-
-static void lookup_bits(char *buf, const BITNAMES *table, const char *label, unsigned int val)
-{
- const BITNAMES *sp;
-
- (void) strcat(buf, label);
- (void) strcat(buf, ": {");
- for (sp = table; sp->name; sp++)
- if (sp->val != 0
- && (val & sp->val) == sp->val)
- {
- (void) strcat(buf, sp->name);
- (void) strcat(buf, ", ");
- }
- if (buf[strlen(buf) - 2] == ',')
- buf[strlen(buf) - 2] = '\0';
- (void) strcat(buf,"} ");
-}
-
-char *_tracebits(void)
-/* describe the state of the terminal control bits exactly */
-{
-char *buf;
-static const BITNAMES
-
-#ifdef TERMIOS
-iflags[] =
- {
- {BRKINT, "BRKINT"},
- {IGNBRK, "IGNBRK"},
- {IGNPAR, "IGNPAR"},
- {PARMRK, "PARMRK"},
- {INPCK, "INPCK"},
- {ISTRIP, "ISTRIP"},
- {INLCR, "INLCR"},
- {IGNCR, "IGNC"},
- {ICRNL, "ICRNL"},
- {IXON, "IXON"},
- {IXOFF, "IXOFF"},
- {0, NULL}
-#define ALLIN (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
- },
-oflags[] =
- {
- {OPOST, "OPOST"},
- {0, NULL}
-#define ALLOUT (OPOST)
- },
-cflags[] =
- {
- {CLOCAL, "CLOCAL"},
- {CREAD, "CREAD"},
- {CSTOPB, "CSTOPB"},
-#if !defined(CS5) || !defined(CS8)
- {CSIZE, "CSIZE"},
-#endif
- {HUPCL, "HUPCL"},
- {PARENB, "PARENB"},
- {PARODD|PARENB, "PARODD"}, /* concession to readability */
- {0, NULL}
-#define ALLCTRL (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
- },
-lflags[] =
- {
- {ECHO, "ECHO"},
- {ECHOE|ECHO, "ECHOE"}, /* concession to readability */
- {ECHOK|ECHO, "ECHOK"}, /* concession to readability */
- {ECHONL, "ECHONL"},
- {ICANON, "ICANON"},
- {ISIG, "ISIG"},
- {NOFLSH, "NOFLSH"},
- {TOSTOP, "TOSTOP"},
- {IEXTEN, "IEXTEN"},
- {0, NULL}
-#define ALLLOCAL (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
- };
-
-
- buf = _nc_trace_buf(0,
- 8 + sizeof(iflags) +
- 8 + sizeof(oflags) +
- 8 + sizeof(cflags) +
- 8 + sizeof(lflags) +
- 8);
-
- if (cur_term->Nttyb.c_iflag & ALLIN)
- lookup_bits(buf, iflags, "iflags", cur_term->Nttyb.c_iflag);
-
- if (cur_term->Nttyb.c_oflag & ALLOUT)
- lookup_bits(buf, oflags, "oflags", cur_term->Nttyb.c_oflag);
-
- if (cur_term->Nttyb.c_cflag & ALLCTRL)
- lookup_bits(buf, cflags, "cflags", cur_term->Nttyb.c_cflag);
-
-#if defined(CS5) && defined(CS8)
- switch (cur_term->Nttyb.c_cflag & CSIZE) {
- case CS5: strcat(buf, "CS5 "); break;
- case CS6: strcat(buf, "CS6 "); break;
- case CS7: strcat(buf, "CS7 "); break;
- case CS8: strcat(buf, "CS8 "); break;
- default: strcat(buf, "CSIZE? "); break;
- }
-#endif
-
- if (cur_term->Nttyb.c_lflag & ALLLOCAL)
- lookup_bits(buf, lflags, "lflags", cur_term->Nttyb.c_lflag);
-
-#else
- /* reference: ttcompat(4M) on SunOS 4.1 */
-#ifndef EVENP
-#define EVENP 0
-#endif
-#ifndef LCASE
-#define LCASE 0
-#endif
-#ifndef LLITOUT
-#define LLITOUT 0
-#endif
-#ifndef ODDP
-#define ODDP 0
-#endif
-#ifndef TANDEM
-#define TANDEM 0
-#endif
-
-cflags[] =
- {
- {CBREAK, "CBREAK"},
- {CRMOD, "CRMOD"},
- {ECHO, "ECHO"},
- {EVENP, "EVENP"},
- {LCASE, "LCASE"},
- {LLITOUT, "LLITOUT"},
- {ODDP, "ODDP"},
- {RAW, "RAW"},
- {TANDEM, "TANDEM"},
- {XTABS, "XTABS"},
- {0, NULL}
-#define ALLCTRL (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
- };
-
- buf = _nc_trace_buf(0,
- 8 + sizeof(cflags));
-
- if (cur_term->Nttyb.sg_flags & ALLCTRL)
- {
- lookup_bits(buf, cflags, "cflags", cur_term->Nttyb.sg_flags);
- }
-
-#endif
- return(buf);
-}
-
-#define BEFORE(N) if (_nc_tracing&TRACE_BITS) _tracef("%s before bits: %s", N, _tracebits())
-#define AFTER(N) if (_nc_tracing&TRACE_BITS) _tracef("%s after bits: %s", N, _tracebits())
-#else
-#define BEFORE(s)
-#define AFTER(s)
-#endif /* TRACE */
-
-int raw(void)
-{
- T((T_CALLED("raw()")));
- if (SP != 0 && cur_term != 0) {
-
- SP->_raw = TRUE;
- SP->_cbreak = TRUE;
-
-#ifdef __EMX__
- setmode(SP->_ifd, O_BINARY);
-#endif
-
-#ifdef TERMIOS
- BEFORE("raw");
- cur_term->Nttyb.c_lflag &= ~(ICANON|ISIG);
- cur_term->Nttyb.c_iflag &= ~(COOKED_INPUT);
- cur_term->Nttyb.c_cc[VMIN] = 1;
- cur_term->Nttyb.c_cc[VTIME] = 0;
- AFTER("raw");
-#else
- cur_term->Nttyb.sg_flags |= RAW;
-#endif
- returnCode(_nc_set_curterm(&cur_term->Nttyb));
- }
- returnCode(ERR);
-}
-
-int cbreak(void)
-{
- T((T_CALLED("cbreak()")));
-
- SP->_cbreak = TRUE;
-
-#ifdef __EMX__
- setmode(SP->_ifd, O_BINARY);
-#endif
-
-#ifdef TERMIOS
- BEFORE("cbreak");
- cur_term->Nttyb.c_lflag &= ~ICANON;
- cur_term->Nttyb.c_iflag &= ~ICRNL;
- cur_term->Nttyb.c_lflag |= ISIG;
- cur_term->Nttyb.c_cc[VMIN] = 1;
- cur_term->Nttyb.c_cc[VTIME] = 0;
- AFTER("cbreak");
-#else
- cur_term->Nttyb.sg_flags |= CBREAK;
-#endif
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-}
-
-int qiflush(void)
-{
- T((T_CALLED("qiflush()")));
-
- /*
- * Note: this implementation may be wrong. See the comment under
- * intrflush().
- */
-
-#ifdef TERMIOS
- BEFORE("qiflush");
- cur_term->Nttyb.c_lflag &= ~(NOFLSH);
- AFTER("qiflush");
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-#else
- returnCode(ERR);
-#endif
-}
-
-
-int noraw(void)
-{
- T((T_CALLED("noraw()")));
-
- SP->_raw = FALSE;
- SP->_cbreak = FALSE;
-
-#ifdef __EMX__
- setmode(SP->_ifd, O_TEXT);
-#endif
-
-#ifdef TERMIOS
- BEFORE("noraw");
- cur_term->Nttyb.c_lflag |= ISIG|ICANON;
- cur_term->Nttyb.c_iflag |= COOKED_INPUT;
- AFTER("noraw");
-#else
- cur_term->Nttyb.sg_flags &= ~(RAW|CBREAK);
-#endif
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-}
-
-
-int nocbreak(void)
-{
- T((T_CALLED("nocbreak()")));
-
- SP->_cbreak = FALSE;
-
-#ifdef __EMX__
- setmode(SP->_ifd, O_TEXT);
-#endif
-
-#ifdef TERMIOS
- BEFORE("nocbreak");
- cur_term->Nttyb.c_lflag |= ICANON;
- cur_term->Nttyb.c_iflag |= ICRNL;
- AFTER("nocbreak");
-#else
- cur_term->Nttyb.sg_flags &= ~CBREAK;
-#endif
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-}
-
-int noqiflush(void)
-{
- T((T_CALLED("noqiflush()")));
-
- /*
- * Note: this implementation may be wrong. See the comment under
- * intrflush().
- */
-
-#ifdef TERMIOS
- BEFORE("noqiflush");
- cur_term->Nttyb.c_lflag |= NOFLSH;
- AFTER("noqiflush");
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-#else
- returnCode(ERR);
-#endif
-}
-
-int intrflush(WINDOW *win GCC_UNUSED, bool flag)
-{
- T((T_CALLED("intrflush(%d)"), flag));
-
- /*
- * This call does the same thing as the qiflush()/noqiflush()
- * pair. We know for certain that SVr3 intrflush() tweaks the
- * NOFLSH bit; on the other hand, the match (in the SVr4 man
- * pages) between the language describing NOFLSH in termio(7)
- * and the language describing qiflush()/noqiflush() in
- * curs_inopts(3x) is too exact to be coincidence.
- */
-
-#ifdef TERMIOS
- BEFORE("intrflush");
- if (flag)
- cur_term->Nttyb.c_lflag &= ~(NOFLSH);
- else
- cur_term->Nttyb.c_lflag |= (NOFLSH);
- AFTER("intrflush");
- returnCode(_nc_set_curterm( &cur_term->Nttyb));
-#else
- returnCode(ERR);
-#endif
-}
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