1 /**************************************************************************** 2 * Copyright 2019,2020 Thomas E. Dickey * 3 * Copyright 1998-2012,2015 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 * and: Thomas E. Dickey 1996-on * 34 ****************************************************************************/ 35 36 #include <curses.priv.h> 37 38 MODULE_ID("$Id: lib_tracebits.c,v 1.31 2020/11/14 23:38:11 tom Exp $") 39 40 #if HAVE_SYS_TERMIO_H 41 #include <sys/termio.h> /* needed for ISC */ 42 #endif 43 44 #ifdef __EMX__ 45 #include <io.h> 46 #endif 47 48 /* may be undefined if we're using termio.h */ 49 #ifndef TOSTOP 50 #define TOSTOP 0 51 #endif 52 53 #ifndef IEXTEN 54 #define IEXTEN 0 55 #endif 56 57 #ifndef ONLCR 58 #define ONLCR 0 59 #endif 60 61 #ifndef OCRNL 62 #define OCRNL 0 63 #endif 64 65 #ifndef ONOCR 66 #define ONOCR 0 67 #endif 68 69 #ifndef ONLRET 70 #define ONLRET 0 71 #endif 72 73 #ifdef TRACE 74 75 #if defined(EXP_WIN32_DRIVER) 76 #define BITNAMELEN 36 77 #else 78 #define BITNAMELEN 8 79 #endif 80 81 typedef struct { 82 unsigned int val; 83 const char name[BITNAMELEN]; 84 } BITNAMES; 85 86 #define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size) 87 88 static void 89 lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val) 90 { 91 const BITNAMES *sp; 92 93 _nc_STRCAT(buf, label, TRACE_BUF_SIZE(0)); 94 _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0)); 95 for (sp = table; sp->name[0]; sp++) 96 if (sp->val != 0 97 && (val & sp->val) == sp->val) { 98 _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0)); 99 _nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0)); 100 } 101 if (buf[strlen(buf) - 2] == ',') 102 buf[strlen(buf) - 2] = '\0'; 103 _nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0)); 104 } 105 106 NCURSES_EXPORT(char *) 107 _nc_trace_ttymode(const TTY * tty) 108 /* describe the state of the terminal control bits exactly */ 109 { 110 char *buf; 111 112 #ifdef TERMIOS 113 #define DATA(name) { name, { #name } } 114 #define DATA2(name,name2) { name, { #name2 } } 115 #define DATAX() { 0, { "" } } 116 static const BITNAMES iflags[] = 117 { 118 DATA(BRKINT), 119 DATA(IGNBRK), 120 DATA(IGNPAR), 121 DATA(PARMRK), 122 DATA(INPCK), 123 DATA(ISTRIP), 124 DATA(INLCR), 125 DATA(IGNCR), 126 DATA(ICRNL), 127 DATA(IXON), 128 DATA(IXOFF), 129 DATAX() 130 #define ALLIN (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF) 131 }, oflags[] = 132 { 133 DATA(OPOST), 134 DATA2(OFLAGS_TABS, XTABS), 135 DATA(ONLCR), 136 DATA(OCRNL), 137 DATA(ONOCR), 138 DATA(ONLRET), 139 DATAX() 140 #define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET|OFLAGS_TABS) 141 }, cflags[] = 142 { 143 DATA(CLOCAL), 144 DATA(CREAD), 145 DATA(CSTOPB), 146 #if !defined(CS5) || !defined(CS8) 147 DATA(CSIZE), 148 #endif 149 DATA(HUPCL), 150 DATA(PARENB), 151 DATA2(PARODD | PARENB, PARODD), 152 DATAX() 153 #define ALLCTRL (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD) 154 }, lflags[] = 155 { 156 DATA(ECHO), 157 DATA2(ECHOE | ECHO, ECHOE), 158 DATA2(ECHOK | ECHO, ECHOK), 159 DATA(ECHONL), 160 DATA(ICANON), 161 DATA(ISIG), 162 DATA(NOFLSH), 163 DATA(TOSTOP), 164 DATA(IEXTEN), 165 DATAX() 166 #define ALLLOCAL (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN) 167 }; 168 169 buf = _nc_trace_buf(0, 170 8 + sizeof(iflags) + 171 8 + sizeof(oflags) + 172 8 + sizeof(cflags) + 173 8 + sizeof(lflags) + 174 8); 175 if (buf != 0) { 176 177 if (tty->c_iflag & ALLIN) 178 lookup_bits(buf, iflags, "iflags", tty->c_iflag); 179 180 if (tty->c_oflag & ALLOUT) 181 lookup_bits(buf, oflags, "oflags", tty->c_oflag); 182 183 if (tty->c_cflag & ALLCTRL) 184 lookup_bits(buf, cflags, "cflags", tty->c_cflag); 185 186 #if defined(CS5) && defined(CS8) 187 { 188 static const struct { 189 int value; 190 const char name[5]; 191 } csizes[] = { 192 #define CS_DATA(name) { name, { #name " " } } 193 CS_DATA(CS5), 194 #ifdef CS6 195 CS_DATA(CS6), 196 #endif 197 #ifdef CS7 198 CS_DATA(CS7), 199 #endif 200 CS_DATA(CS8), 201 }; 202 const char *result = "CSIZE? "; 203 int value = (int) (tty->c_cflag & CSIZE); 204 unsigned n; 205 206 if (value != 0) { 207 for (n = 0; n < SIZEOF(csizes); n++) { 208 if (csizes[n].value == value) { 209 result = csizes[n].name; 210 break; 211 } 212 } 213 } 214 _nc_STRCAT(buf, result, TRACE_BUF_SIZE(0)); 215 } 216 #endif 217 218 if (tty->c_lflag & ALLLOCAL) 219 lookup_bits(buf, lflags, "lflags", tty->c_lflag); 220 } 221 #elif defined(EXP_WIN32_DRIVER) 222 #define DATA(name) { name, { #name } } 223 static const BITNAMES dwFlagsOut[] = 224 { 225 DATA(ENABLE_PROCESSED_OUTPUT), 226 DATA(ENABLE_WRAP_AT_EOL_OUTPUT), 227 DATA(ENABLE_VIRTUAL_TERMINAL_PROCESSING), 228 DATA(DISABLE_NEWLINE_AUTO_RETURN), 229 DATA(ENABLE_LVB_GRID_WORLDWIDE) 230 }; 231 static const BITNAMES dwFlagsIn[] = 232 { 233 DATA(ENABLE_PROCESSED_INPUT), 234 DATA(ENABLE_LINE_INPUT), 235 DATA(ENABLE_ECHO_INPUT), 236 DATA(ENABLE_MOUSE_INPUT), 237 DATA(ENABLE_INSERT_MODE), 238 DATA(ENABLE_QUICK_EDIT_MODE), 239 DATA(ENABLE_EXTENDED_FLAGS), 240 DATA(ENABLE_AUTO_POSITION), 241 DATA(ENABLE_VIRTUAL_TERMINAL_INPUT) 242 }; 243 244 buf = _nc_trace_buf(0, 245 8 + sizeof(dwFlagsOut) + 246 8 + sizeof(dwFlagsIn)); 247 if (buf != 0) { 248 lookup_bits(buf, dwFlagsIn, "dwIn", tty->dwFlagIn); 249 lookup_bits(buf, dwFlagsOut, "dwOut", tty->dwFlagOut); 250 } 251 #else 252 /* reference: ttcompat(4M) on SunOS 4.1 */ 253 #ifndef EVENP 254 #define EVENP 0 255 #endif 256 #ifndef LCASE 257 #define LCASE 0 258 #endif 259 #ifndef LLITOUT 260 #define LLITOUT 0 261 #endif 262 #ifndef ODDP 263 #define ODDP 0 264 #endif 265 #ifndef TANDEM 266 #define TANDEM 0 267 #endif 268 269 static const BITNAMES cflags[] = 270 { 271 DATA(CBREAK), 272 DATA(CRMOD), 273 DATA(ECHO), 274 DATA(EVENP), 275 DATA(LCASE), 276 DATA(LLITOUT), 277 DATA(ODDP), 278 DATA(RAW), 279 DATA(TANDEM), 280 DATA(XTABS), 281 DATAX() 282 #define ALLCTRL (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS) 283 }; 284 285 buf = _nc_trace_buf(0, 286 8 + sizeof(cflags)); 287 if (buf != 0) { 288 if (tty->sg_flags & ALLCTRL) { 289 lookup_bits(buf, cflags, "cflags", tty->sg_flags); 290 } 291 } 292 #endif 293 return (buf); 294 } 295 296 NCURSES_EXPORT(char *) 297 _nc_tracebits(void) 298 { 299 return _nc_trace_ttymode(&(cur_term->Nttyb)); 300 } 301 #else 302 EMPTY_MODULE(_nc_empty_lib_tracebits) 303 #endif /* TRACE */ 304