1 /****************************************************************************
2 * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
35 #include <curses.priv.h>
37 MODULE_ID("$Id: lib_tracebits.c,v 1.23 2012/06/09 19:55:46 tom Exp $")
40 #include <sys/termio.h> /* needed for ISC */
47 /* may be undefined if we're using termio.h */
79 #define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
82 lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
86 _nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
87 _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
88 for (sp = table; sp->name; sp++)
90 && (val & sp->val) == sp->val) {
91 _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
92 _nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0));
94 if (buf[strlen(buf) - 2] == ',')
95 buf[strlen(buf) - 2] = '\0';
96 _nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0));
99 NCURSES_EXPORT(char *)
100 _nc_trace_ttymode(TTY * tty)
101 /* describe the state of the terminal control bits exactly */
106 static const BITNAMES iflags[] =
120 #define ALLIN (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
124 {OFLAGS_TABS, "XTABS"},
130 #define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET)
136 #if !defined(CS5) || !defined(CS8)
141 {PARODD | PARENB, "PARODD"}, /* concession to readability */
143 #define ALLCTRL (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
147 {ECHOE | ECHO, "ECHOE"}, /* concession to readability */
148 {ECHOK | ECHO, "ECHOK"}, /* concession to readability */
156 #define ALLLOCAL (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
159 buf = _nc_trace_buf(0,
167 if (tty->c_iflag & ALLIN)
168 lookup_bits(buf, iflags, "iflags", tty->c_iflag);
170 if (tty->c_oflag & ALLOUT)
171 lookup_bits(buf, oflags, "oflags", tty->c_oflag);
173 if (tty->c_cflag & ALLCTRL)
174 lookup_bits(buf, cflags, "cflags", tty->c_cflag);
176 #if defined(CS5) && defined(CS8)
182 #define CS_DATA(name) { name, #name " " }
192 const char *result = "CSIZE? ";
193 int value = (int) (tty->c_cflag & CSIZE);
197 for (n = 0; n < SIZEOF(csizes); n++) {
198 if (csizes[n].value == value) {
199 result = csizes[n].name;
204 _nc_STRCAT(buf, result, TRACE_BUF_SIZE(0));
208 if (tty->c_lflag & ALLLOCAL)
209 lookup_bits(buf, lflags, "lflags", tty->c_lflag);
212 /* reference: ttcompat(4M) on SunOS 4.1 */
229 static const BITNAMES cflags[] =
236 {LLITOUT, "LLITOUT"},
242 #define ALLCTRL (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
245 buf = _nc_trace_buf(0,
248 if (tty->sg_flags & ALLCTRL) {
249 lookup_bits(buf, cflags, "cflags", tty->sg_flags);
256 NCURSES_EXPORT(char *)
259 return _nc_trace_ttymode(&(cur_term->Nttyb));
262 EMPTY_MODULE(_nc_empty_lib_tracebits)