/* $OpenBSD: lib_tracebits.c,v 1.10 2010/01/12 23:22:07 nicm Exp $ */ /**************************************************************************** * Copyright (c) 1998-2007,2008 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 1992,1995 * * and: Eric S. Raymond * * and: Thomas E. Dickey 1996-on * ****************************************************************************/ #include #include /* cur_term */ MODULE_ID("$Id: lib_tracebits.c,v 1.10 2010/01/12 23:22:07 nicm Exp $") #if SVR4_TERMIO && !defined(_POSIX_SOURCE) #define _POSIX_SOURCE #endif #if HAVE_SYS_TERMIO_H #include /* needed for ISC */ #endif #ifdef __EMX__ #include #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; } BITNAMES; static void lookup_bits(char *buf, size_t bufsize, const BITNAMES * table, const char *label, unsigned int val) { const BITNAMES *sp; (void) strlcat(buf, label, bufsize); (void) strlcat(buf, ": {", bufsize); for (sp = table; sp->name; sp++) if (sp->val != 0 && (val & sp->val) == sp->val) { (void) strlcat(buf, sp->name, bufsize); (void) strlcat(buf, ", ", bufsize); } if (buf[strlen(buf) - 2] == ',') buf[strlen(buf) - 2] = '\0'; (void) strlcat(buf, "} ", bufsize); } NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY * tty) /* describe the state of the terminal control bits exactly */ { char *buf; size_t bufsize; #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"}, {OFLAGS_TABS, "XTABS"}, {ONLCR, "ONLCR"}, {OCRNL, "OCRNL"}, {ONOCR, "ONOCR"}, {ONLRET, "ONLRET"}, {0, NULL} #define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET) }, 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) }; bufsize = 8 + sizeof(iflags) + 8 + sizeof(oflags) + 8 + sizeof(cflags) + 8 + sizeof(lflags) + 8; buf = _nc_trace_buf(0, bufsize); if (buf != 0) { if (tty->c_iflag & ALLIN) lookup_bits(buf, bufsize, iflags, "iflags", tty->c_iflag); if (tty->c_oflag & ALLOUT) lookup_bits(buf, bufsize, oflags, "oflags", tty->c_oflag); if (tty->c_cflag & ALLCTRL) lookup_bits(buf, bufsize, cflags, "cflags", tty->c_cflag); #if defined(CS5) && defined(CS8) { static struct { int value; const char *name; } 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 = (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; } } } strlcat(buf, result, bufsize); } #endif if (tty->c_lflag & ALLLOCAL) lookup_bits(buf, bufsize, 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 (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 NCURSES_EXPORT(char *) _nc_tracebits(void) { return NULL; } #endif /* TRACE */