mirror of
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303 lines
7.8 KiB
C
303 lines
7.8 KiB
C
/****************************************************************************
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* Copyright 2019,2020 Thomas E. Dickey *
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* Copyright 1998-2012,2015 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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* and: Thomas E. Dickey 1996-on *
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****************************************************************************/
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#include "curses.priv.h"
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MODULE_ID("$Id: lib_tracebits.c,v 1.31 2020/11/14 23:38:11 tom Exp $")
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#if HAVE_SYS_TERMIO_H
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#include <sys/termio.h> /* needed for ISC */
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#endif
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#ifdef __EMX__
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#include <io.h>
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#endif
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/* may be undefined if we're using termio.h */
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#ifndef TOSTOP
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#define TOSTOP 0
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#endif
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#ifndef IEXTEN
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#define IEXTEN 0
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#endif
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#ifndef ONLCR
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#define ONLCR 0
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#endif
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#ifndef OCRNL
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#define OCRNL 0
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#endif
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#ifndef ONOCR
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#define ONOCR 0
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#endif
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#ifndef ONLRET
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#define ONLRET 0
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#endif
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#ifdef TRACE
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#if defined(EXP_WIN32_DRIVER)
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#define BITNAMELEN 36
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#else
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#define BITNAMELEN 8
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#endif
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typedef struct {
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unsigned int val;
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const char name[BITNAMELEN];
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} BITNAMES;
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#define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
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static void
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lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
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{
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const BITNAMES *sp;
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_nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
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_nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
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for (sp = table; sp->name[0]; sp++)
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if (sp->val != 0
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&& (val & sp->val) == sp->val) {
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_nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
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_nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0));
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}
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if (buf[strlen(buf) - 2] == ',')
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buf[strlen(buf) - 2] = '\0';
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_nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0));
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}
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NCURSES_EXPORT(char *)
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_nc_trace_ttymode(const TTY * tty)
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/* describe the state of the terminal control bits exactly */
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{
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char *buf;
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#ifdef TERMIOS
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#define DATA(name) { name, { #name } }
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#define DATA2(name,name2) { name, { #name2 } }
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#define DATAX() { 0, { "" } }
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static BITNAMES iflags[] =
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{
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DATA(BRKINT),
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DATA(IGNBRK),
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DATA(IGNPAR),
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DATA(PARMRK),
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DATA(INPCK),
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DATA(ISTRIP),
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DATA(INLCR),
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DATA(IGNCR),
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DATA(ICRNL),
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DATA(IXON),
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DATA(IXOFF),
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DATAX()
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#define ALLIN (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
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}, oflags[] =
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{
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DATA(OPOST),
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DATA2(OFLAGS_TABS, XTABS),
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DATA(ONLCR),
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DATA(OCRNL),
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DATA(ONOCR),
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DATA(ONLRET),
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DATAX()
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#define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET|OFLAGS_TABS)
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}, cflags[] =
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{
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DATA(CLOCAL),
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DATA(CREAD),
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DATA(CSTOPB),
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#if !defined(CS5) || !defined(CS8)
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DATA(CSIZE),
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#endif
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DATA(HUPCL),
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DATA(PARENB),
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DATA2(PARODD | PARENB, PARODD),
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DATAX()
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#define ALLCTRL (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
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}, lflags[] =
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{
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DATA(ECHO),
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DATA2(ECHOE | ECHO, ECHOE),
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DATA2(ECHOK | ECHO, ECHOK),
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DATA(ECHONL),
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DATA(ICANON),
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DATA(ISIG),
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DATA(NOFLSH),
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DATA(TOSTOP),
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DATA(IEXTEN),
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DATAX()
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#define ALLLOCAL (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
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};
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buf = _nc_trace_buf(0,
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8 + sizeof(iflags) +
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8 + sizeof(oflags) +
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8 + sizeof(cflags) +
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8 + sizeof(lflags) +
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8);
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if (buf != 0) {
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if (tty->c_iflag & ALLIN)
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lookup_bits(buf, iflags, "iflags", tty->c_iflag);
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if (tty->c_oflag & ALLOUT)
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lookup_bits(buf, oflags, "oflags", tty->c_oflag);
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if (tty->c_cflag & ALLCTRL)
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lookup_bits(buf, cflags, "cflags", tty->c_cflag);
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#if defined(CS5) && defined(CS8)
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{
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static struct {
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int value;
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const char name[5];
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} csizes[] = {
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#define CS_DATA(name) { name, { #name " " } }
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CS_DATA(CS5),
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#ifdef CS6
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CS_DATA(CS6),
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#endif
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#ifdef CS7
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CS_DATA(CS7),
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#endif
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CS_DATA(CS8),
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};
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const char *result = "CSIZE? ";
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int value = (int) (tty->c_cflag & CSIZE);
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unsigned n;
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if (value != 0) {
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for (n = 0; n < SIZEOF(csizes); n++) {
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if (csizes[n].value == value) {
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result = csizes[n].name;
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break;
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}
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}
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}
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_nc_STRCAT(buf, result, TRACE_BUF_SIZE(0));
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}
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#endif
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if (tty->c_lflag & ALLLOCAL)
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lookup_bits(buf, lflags, "lflags", tty->c_lflag);
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}
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#elif defined(EXP_WIN32_DRIVER)
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#define DATA(name) { name, { #name } }
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static const BITNAMES dwFlagsOut[] =
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{
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DATA(ENABLE_PROCESSED_OUTPUT),
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DATA(ENABLE_WRAP_AT_EOL_OUTPUT),
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DATA(ENABLE_VIRTUAL_TERMINAL_PROCESSING),
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DATA(DISABLE_NEWLINE_AUTO_RETURN),
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DATA(ENABLE_LVB_GRID_WORLDWIDE)
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};
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static const BITNAMES dwFlagsIn[] =
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{
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DATA(ENABLE_PROCESSED_INPUT),
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DATA(ENABLE_LINE_INPUT),
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DATA(ENABLE_ECHO_INPUT),
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DATA(ENABLE_MOUSE_INPUT),
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DATA(ENABLE_INSERT_MODE),
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DATA(ENABLE_QUICK_EDIT_MODE),
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DATA(ENABLE_EXTENDED_FLAGS),
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DATA(ENABLE_AUTO_POSITION),
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DATA(ENABLE_VIRTUAL_TERMINAL_INPUT)
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};
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buf = _nc_trace_buf(0,
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8 + sizeof(dwFlagsOut) +
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8 + sizeof(dwFlagsIn));
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if (buf != 0) {
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lookup_bits(buf, dwFlagsIn, "dwIn", tty->dwFlagIn);
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lookup_bits(buf, dwFlagsOut, "dwOut", tty->dwFlagOut);
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}
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#else
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/* reference: ttcompat(4M) on SunOS 4.1 */
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#ifndef EVENP
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#define EVENP 0
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#endif
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#ifndef LCASE
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#define LCASE 0
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#endif
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#ifndef LLITOUT
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#define LLITOUT 0
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#endif
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#ifndef ODDP
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#define ODDP 0
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#endif
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#ifndef TANDEM
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#define TANDEM 0
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#endif
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static const BITNAMES cflags[] =
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{
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DATA(CBREAK),
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DATA(CRMOD),
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DATA(ECHO),
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DATA(EVENP),
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DATA(LCASE),
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DATA(LLITOUT),
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DATA(ODDP),
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DATA(RAW),
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DATA(TANDEM),
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DATA(XTABS),
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DATAX()
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#define ALLCTRL (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
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};
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buf = _nc_trace_buf(0,
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8 + sizeof(cflags));
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if (buf != 0) {
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if (tty->sg_flags & ALLCTRL) {
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lookup_bits(buf, cflags, "cflags", tty->sg_flags);
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}
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}
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#endif
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return (buf);
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}
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NCURSES_EXPORT(char *)
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_nc_tracebits(void)
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{
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return _nc_trace_ttymode(&(cur_term->Nttyb));
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}
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#else
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EMPTY_MODULE(_nc_empty_lib_tracebits)
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#endif /* TRACE */
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