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📄 README(2.49 KB)
📄 lib_trace.c(10.93 KB)
📄 lib_traceatr.c(11.7 KB)
📄 lib_tracebits.c(6.88 KB)
📄 lib_tracechr.c(3.77 KB)
📄 lib_tracedmp.c(6.02 KB)
📄 lib_tracemse.c(5.56 KB)
📄 trace_buf.c(4.13 KB)
📄 trace_tries.c(3.49 KB)
📄 trace_xnames.c(3.51 KB)
📄 varargs.c(5.74 KB)
📄 visbuf.c(9.69 KB)

Editing: lib_tracebits.c

/****************************************************************************
 * Copyright 2019,2020 Thomas E. Dickey                                     *
 * Copyright 1998-2012,2015 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>                         *
 *     and: Thomas E. Dickey                        1996-on                 *
 ****************************************************************************/

#include <curses.priv.h>

MODULE_ID("$Id: lib_tracebits.c,v 1.28 2020/02/02 23:34:34 tom Exp $")

#if HAVE_SYS_TERMIO_H
#include <sys/termio.h>		/* needed for ISC */
#endif

#ifdef __EMX__
#include <io.h>
#endif

/* may be undefined if we're using termio.h */
#ifndef TOSTOP
#define TOSTOP 0
#endif

#ifndef IEXTEN
#define IEXTEN 0
#endif

#ifndef ONLCR
#define ONLCR 0
#endif

#ifndef OCRNL
#define OCRNL 0
#endif

#ifndef ONOCR
#define ONOCR 0
#endif

#ifndef ONLRET
#define ONLRET 0
#endif

#ifdef TRACE

typedef struct {
    unsigned int val;
    const char name[8];
} BITNAMES;

#define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)

static void
lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
{
    const BITNAMES *sp;

_nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
    _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
    for (sp = table; sp->name[0]; sp++)
	if (sp->val != 0
	    && (val & sp->val) == sp->val) {
	    _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
	    _nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0));
	}
    if (buf[strlen(buf) - 2] == ',')
	buf[strlen(buf) - 2] = '\0';
    _nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0));
}

NCURSES_EXPORT(char *)
_nc_trace_ttymode(TTY * tty)
/* describe the state of the terminal control bits exactly */
{
    char *buf;

#ifdef TERMIOS
#define DATA(name)        { name, { #name } }
#define DATA2(name,name2) { name, { #name2 } }
#define DATAX()           { 0,    { "" } }
    static const BITNAMES iflags[] =
    {
	DATA(BRKINT),
	DATA(IGNBRK),
	DATA(IGNPAR),
	DATA(PARMRK),
	DATA(INPCK),
	DATA(ISTRIP),
	DATA(INLCR),
	DATA(IGNCR),
	DATA(ICRNL),
	DATA(IXON),
	DATA(IXOFF),
	DATAX()
#define ALLIN	(BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
    }, oflags[] =
    {
	DATA(OPOST),
	DATA2(OFLAGS_TABS, XTABS),
	DATA(ONLCR),
	DATA(OCRNL),
	DATA(ONOCR),
	DATA(ONLRET),
	DATAX()
#define ALLOUT	(OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET|OFLAGS_TABS)
    }, cflags[] =
    {
	DATA(CLOCAL),
	DATA(CREAD),
	DATA(CSTOPB),
#if !defined(CS5) || !defined(CS8)
	DATA(CSIZE),
#endif
	DATA(HUPCL),
	DATA(PARENB),
	DATA2(PARODD | PARENB, PARODD),
	DATAX()
#define ALLCTRL	(CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
    }, lflags[] =
    {
	DATA(ECHO),
	DATA2(ECHOE | ECHO, ECHOE),
	DATA2(ECHOK | ECHO, ECHOK),
	DATA(ECHONL),
	DATA(ICANON),
	DATA(ISIG),
	DATA(NOFLSH),
	DATA(TOSTOP),
	DATA(IEXTEN),
	DATAX()
#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 (buf != 0) {

if (tty->c_iflag & ALLIN)
	    lookup_bits(buf, iflags, "iflags", tty->c_iflag);

if (tty->c_oflag & ALLOUT)
	    lookup_bits(buf, oflags, "oflags", tty->c_oflag);

if (tty->c_cflag & ALLCTRL)
	    lookup_bits(buf, cflags, "cflags", tty->c_cflag);

#if defined(CS5) && defined(CS8)
	{
	    static const struct {
		int value;
		const char name[5];
	    } csizes[] = {
#define CS_DATA(name) { name, { #name " " } }
		CS_DATA(CS5),
#ifdef CS6
		    CS_DATA(CS6),
#endif
#ifdef CS7
		    CS_DATA(CS7),
#endif
		    CS_DATA(CS8),
	    };
	    const char *result = "CSIZE? ";
	    int value = (int) (tty->c_cflag & CSIZE);
	    unsigned n;

if (value != 0) {
		for (n = 0; n < SIZEOF(csizes); n++) {
		    if (csizes[n].value == value) {
			result = csizes[n].name;
			break;
		    }
		}
	    }
	    _nc_STRCAT(buf, result, TRACE_BUF_SIZE(0));
	}
#endif

if (tty->c_lflag & ALLLOCAL)
	    lookup_bits(buf, lflags, "lflags", tty->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

static const BITNAMES cflags[] =
    {
	DATA(CBREAK),
	DATA(CRMOD),
	DATA(ECHO),
	DATA(EVENP),
	DATA(LCASE),
	DATA(LLITOUT),
	DATA(ODDP),
	DATA(RAW),
	DATA(TANDEM),
	DATA(XTABS),
	DATAX()
#define ALLCTRL	(CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
    };

buf = _nc_trace_buf(0,
			8 + sizeof(cflags));
    if (buf != 0) {
	if (tty->sg_flags & ALLCTRL) {
	    lookup_bits(buf, cflags, "cflags", tty->sg_flags);
	}
    }
#endif
    return (buf);
}

NCURSES_EXPORT(char *)
_nc_tracebits(void)
{
    return _nc_trace_ttymode(&(cur_term->Nttyb));
}
#else
EMPTY_MODULE(_nc_empty_lib_tracebits)
#endif /* TRACE */

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Editing: lib_tracebits.c

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