diff options
Diffstat (limited to 'ncurses-5.3/ncurses/trace/lib_tracebits.c')
| -rw-r--r-- | ncurses-5.3/ncurses/trace/lib_tracebits.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/trace/lib_tracebits.c b/ncurses-5.3/ncurses/trace/lib_tracebits.c new file mode 100644 index 0000000..5a6cfbf --- /dev/null +++ b/ncurses-5.3/ncurses/trace/lib_tracebits.c @@ -0,0 +1,248 @@ +/**************************************************************************** + * 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("$Id$") + +#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 */ |