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- /****************************************************************************
- * Copyright (c) 1998-2001,2002 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> *
- ****************************************************************************/
-
- #include <curses.priv.h>
- #include <term.h> /* cur_term */
-
- MODULE_ID("$Id: lib_tracebits.c,v 1.12 2002/05/25 14:35:07 tom Exp $")
-
- #if 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>
- #endif
-
- /* may be undefined if we're using termio.h */
- #ifndef TOSTOP
- #define TOSTOP 0
- #endif
- #ifndef IEXTEN
- #define IEXTEN 0
- #endif
-
- #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, "} ");
- }
-
- NCURSES_EXPORT(char *)
- _nc_trace_ttymode(TTY * tty)
- /* describe the state of the terminal control bits exactly */
- {
- char *buf;
-
- #ifdef TERMIOS
- static const BITNAMES 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 (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 struct {
- const char *name;
- int value;
- } csizes[] = {
- {
- "CS5 ", CS5
- },
- #ifdef CS6
- {
- "CS6 ", CS6
- },
- #endif
- #ifdef CS7
- {
- "CS7 ", CS7
- },
- #endif
- {
- "CS8 ", CS8
- },
- };
- const char *result = "CSIZE? ";
- int value = (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;
- }
- }
- }
- strcat(buf, result);
- }
- #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[] =
- {
- {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 (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_tracebits)
- #endif /* TRACE */
-