/* This file contains enough terminfo reading capabilities sufficient for * the slang SLtt interface. */ /* Copyright (c) 1992, 1999, 2001, 2002 John E. Davis * This file is part of the S-Lang library. * * You may distribute under the terms of either the GNU General Public * License or the Perl Artistic License. */ #include "slinclud.h" #include "slang.h" #include "_slang.h" /* * The majority of the comments found in the file were taken from the * term(4) man page on an SGI. */ /* Short integers are stored in two 8-bit bytes. The first byte contains * the least significant 8 bits of the value, and the second byte contains * the most significant 8 bits. (Thus, the value represented is * 256*second+first.) The value -1 is represented by 0377,0377, and the * value -2 is represented by 0376,0377; other negative values are illegal. * The -1 generally means that a capability is missing from this terminal. * The -2 means that the capability has been cancelled in the terminfo * source and also is to be considered missing. */ static int make_integer (unsigned char *buf) { register int lo, hi; lo = (int) *buf++; hi = (int) *buf; if (hi == 0377) { if (lo == 0377) return -1; if (lo == 0376) return -2; } return lo + 256 * hi; } /* * The compiled file is created from the source file descriptions of the * terminals (see the -I option of infocmp) by using the terminfo compiler, * tic, and read by the routine setupterm [see curses(3X).] The file is * divided into six parts in the following order: the header, terminal * names, boolean flags, numbers, strings, and string table. * * The header section begins the file. This section contains six short * integers in the format described below. These integers are (1) the magic * number (octal 0432); (2) the size, in bytes, of the names section; (3) * the number of bytes in the boolean section; (4) the number of short * integers in the numbers section; (5) the number of offsets (short * integers) in the strings section; (6) the size, in bytes, of the string * table. */ #define MAGIC 0432 /* In this structure, all char * fields are malloced EXCEPT if the * structure is SLTERMCAP. In that case, only terminal_names is malloced * and the other fields are pointers into it. */ struct _SLterminfo_Type { #define SLTERMINFO 1 #define SLTERMCAP 2 unsigned int flags; unsigned int name_section_size; char *terminal_names; unsigned int boolean_section_size; unsigned char *boolean_flags; unsigned int num_numbers; unsigned char *numbers; unsigned int num_string_offsets; unsigned char *string_offsets; unsigned int string_table_size; char *string_table; }; static char *tcap_getstr (char *, SLterminfo_Type *); static int tcap_getnum (char *, SLterminfo_Type *); static int tcap_getflag (char *, SLterminfo_Type *); static int tcap_getent (char *, SLterminfo_Type *); static FILE *open_terminfo (char *file, SLterminfo_Type *h) { FILE *fp; unsigned char buf[12]; /* Alan Cox reported a security problem here if the application using the * library is setuid. So, I need to make sure open the file as a normal * user. Unfortunately, there does not appear to be a portable way of * doing this, so I am going to use 'setfsgid' and 'setfsuid', which * are not portable. * * I will also look into the use of setreuid, seteuid and setregid, setegid. * FIXME: Priority=medium */ fp = fopen (file, "rb"); if (fp == NULL) return NULL; if ((12 == fread ((char *) buf, 1, 12, fp) && (MAGIC == make_integer (buf)))) { h->name_section_size = make_integer (buf + 2); h->boolean_section_size = make_integer (buf + 4); h->num_numbers = make_integer (buf + 6); h->num_string_offsets = make_integer (buf + 8); h->string_table_size = make_integer (buf + 10); } else { fclose (fp); fp = NULL; } return fp; } /* * The terminal names section comes next. It contains the first line of the * terminfo description, listing the various names for the terminal, * separated by the bar ( | ) character (see term(5)). The section is * terminated with an ASCII NUL character. */ /* returns pointer to malloced space */ static unsigned char *read_terminfo_section (FILE *fp, unsigned int size) { char *s; if (NULL == (s = (char *) SLmalloc (size))) return NULL; if (size != fread (s, 1, size, fp)) { SLfree (s); return NULL; } return (unsigned char *) s; } static char *read_terminal_names (FILE *fp, SLterminfo_Type *t) { return t->terminal_names = (char *) read_terminfo_section (fp, t->name_section_size); } /* * The boolean flags have one byte for each flag. This byte is either 0 or * 1 as the flag is present or absent. The value of 2 means that the flag * has been cancelled. The capabilities are in the same order as the file * . */ static unsigned char *read_boolean_flags (FILE *fp, SLterminfo_Type *t) { /* Between the boolean section and the number section, a null byte is * inserted, if necessary, to ensure that the number section begins on an * even byte offset. All short integers are aligned on a short word * boundary. */ unsigned int size = (t->name_section_size + t->boolean_section_size) % 2; size += t->boolean_section_size; return t->boolean_flags = read_terminfo_section (fp, size); } /* * The numbers section is similar to the boolean flags section. Each * capability takes up two bytes, and is stored as a short integer. If the * value represented is -1 or -2, the capability is taken to be missing. */ static unsigned char *read_numbers (FILE *fp, SLterminfo_Type *t) { return t->numbers = read_terminfo_section (fp, 2 * t->num_numbers); } /* The strings section is also similar. Each capability is stored as a * short integer, in the format above. A value of -1 or -2 means the * capability is missing. Otherwise, the value is taken as an offset from * the beginning of the string table. Special characters in ^X or \c * notation are stored in their interpreted form, not the printing * representation. Padding information ($) and parameter information * (%x) are stored intact in uninterpreted form. */ static unsigned char *read_string_offsets (FILE *fp, SLterminfo_Type *t) { return t->string_offsets = (unsigned char *) read_terminfo_section (fp, 2 * t->num_string_offsets); } /* The final section is the string table. It contains all the values of * string capabilities referenced in the string section. Each string is * null terminated. */ static char *read_string_table (FILE *fp, SLterminfo_Type *t) { return t->string_table = (char *) read_terminfo_section (fp, t->string_table_size); } /* * Compiled terminfo(4) descriptions are placed under the directory * /usr/share/lib/terminfo. In order to avoid a linear search of a huge * UNIX system directory, a two-level scheme is used: * /usr/share/lib/terminfo/c/name where name is the name of the terminal, * and c is the first character of name. Thus, att4425 can be found in the * file /usr/share/lib/terminfo/a/att4425. Synonyms for the same terminal * are implemented by multiple links to the same compiled file. */ static char *Terminfo_Dirs [] = { NULL, /* $HOME/.terminfo */ NULL, /* $TERMINFO */ "/usr/share/terminfo", "/usr/lib/terminfo", "/usr/share/lib/terminfo", "/etc/terminfo", "/usr/local/lib/terminfo", #ifdef MISC_TERMINFO_DIRS MISC_TERMINFO_DIRS, #endif "" }; SLterminfo_Type *_SLtt_tigetent (char *term) { char *tidir; int i; FILE *fp = NULL; char file[1024]; static char home_ti [1024]; char *home; SLterminfo_Type *ti; if ( (term == NULL) #ifdef SLANG_UNTIC && (SLang_Untic_Terminfo_File == NULL) #endif ) return NULL; if (NULL == (ti = (SLterminfo_Type *) SLmalloc (sizeof (SLterminfo_Type)))) { return NULL; } #ifdef SLANG_UNTIC if (SLang_Untic_Terminfo_File != NULL) { fp = open_terminfo (SLang_Untic_Terminfo_File, ti); goto fp_open_label; } else #endif /* If we are on a termcap based system, use termcap */ if (0 == tcap_getent (term, ti)) return ti; if (NULL != (home = getenv ("HOME"))) { strncpy (home_ti, home, sizeof (home_ti) - 11); home_ti [sizeof(home_ti) - 11] = 0; strcat (home_ti, "/.terminfo"); Terminfo_Dirs [0] = home_ti; } Terminfo_Dirs[1] = getenv ("TERMINFO"); i = 0; while (1) { tidir = Terminfo_Dirs[i]; if (tidir != NULL) { if (*tidir == 0) break; /* last one */ if (sizeof (file) >= strlen (tidir) + 4 + strlen (term)) { sprintf (file, "%s/%c/%s", tidir, *term, term); if (NULL != (fp = open_terminfo (file, ti))) break; } } i++; } #ifdef SLANG_UNTIC fp_open_label: #endif if (fp != NULL) { if (NULL != read_terminal_names (fp, ti)) { if (NULL != read_boolean_flags (fp, ti)) { if (NULL != read_numbers (fp, ti)) { if (NULL != read_string_offsets (fp, ti)) { if (NULL != read_string_table (fp, ti)) { /* success */ fclose (fp); ti->flags = SLTERMINFO; return ti; } SLfree ((char *)ti->string_offsets); } SLfree ((char *)ti->numbers); } SLfree ((char *)ti->boolean_flags); } SLfree ((char *)ti->terminal_names); } fclose (fp); } SLfree ((char *)ti); return NULL; } #ifdef SLANG_UNTIC # define UNTIC_COMMENT(x) ,x #else # define UNTIC_COMMENT(x) #endif typedef const struct { char name[3]; int offset; #ifdef SLANG_UNTIC char *comment; #endif } Tgetstr_Map_Type; /* I need to add: K1-5, %0-5(not important), @8, &8... */ static Tgetstr_Map_Type Tgetstr_Map [] = { {"!1", 212 UNTIC_COMMENT("shifted key")}, {"!2", 213 UNTIC_COMMENT("shifted key")}, {"!3", 214 UNTIC_COMMENT("shifted key")}, {"#1", 198 UNTIC_COMMENT("shifted key")}, {"#2", 199 UNTIC_COMMENT("Key S-Home")}, {"#3", 200 UNTIC_COMMENT("Key S-Insert")}, {"#4", 201 UNTIC_COMMENT("Key S-Left")}, {"%0", 177 UNTIC_COMMENT("redo key")}, {"%1", 168 UNTIC_COMMENT("help key")}, {"%2", 169 UNTIC_COMMENT("mark key")}, {"%3", 170 UNTIC_COMMENT("message key")}, {"%4", 171 UNTIC_COMMENT("move key")}, {"%5", 172 UNTIC_COMMENT("next key")}, {"%6", 173 UNTIC_COMMENT("open key")}, {"%7", 174 UNTIC_COMMENT("options key")}, {"%8", 175 UNTIC_COMMENT("previous key")}, {"%9", 176 UNTIC_COMMENT("print key")}, {"%a", 202 UNTIC_COMMENT("shifted key")}, {"%b", 203 UNTIC_COMMENT("shifted key")}, {"%c", 204 UNTIC_COMMENT("Key S-Next")}, {"%d", 205 UNTIC_COMMENT("shifted key")}, {"%e", 206 UNTIC_COMMENT("Key S-Previous")}, {"%f", 207 UNTIC_COMMENT("shifted key")}, {"%g", 208 UNTIC_COMMENT("shifted key")}, {"%h", 209 UNTIC_COMMENT("shifted key")}, {"%i", 210 UNTIC_COMMENT("Key S-Right")}, {"%j", 211 UNTIC_COMMENT("shifted key")}, {"&0", 187 UNTIC_COMMENT("shifted key")}, {"&1", 178 UNTIC_COMMENT("reference key")}, {"&2", 179 UNTIC_COMMENT("refresh key")}, {"&3", 180 UNTIC_COMMENT("replace key")}, {"&4", 181 UNTIC_COMMENT("restart key")}, {"&5", 182 UNTIC_COMMENT("resume key")}, {"&6", 183 UNTIC_COMMENT("save key")}, {"&7", 184 UNTIC_COMMENT("suspend key")}, {"&8", 185 UNTIC_COMMENT("undo key")}, {"&9", 186 UNTIC_COMMENT("shifted key")}, {"*0", 197 UNTIC_COMMENT("shifted key")}, {"*1", 188 UNTIC_COMMENT("shifted key")}, {"*2", 189 UNTIC_COMMENT("shifted key")}, {"*3", 190 UNTIC_COMMENT("shifted key")}, {"*4", 191 UNTIC_COMMENT("Key S-Delete")}, {"*5", 192 UNTIC_COMMENT("shifted key")}, {"*6", 193 UNTIC_COMMENT("select key")}, {"*7", 194 UNTIC_COMMENT("Key S-End")}, {"*8", 195 UNTIC_COMMENT("shifted key")}, {"*9", 196 UNTIC_COMMENT("shifted key")}, {"@0", 167 UNTIC_COMMENT("find key")}, {"@1", 158 UNTIC_COMMENT("begin key")}, {"@2", 159 UNTIC_COMMENT("cancel key")}, {"@3", 160 UNTIC_COMMENT("close key")}, {"@4", 161 UNTIC_COMMENT("command key")}, {"@5", 162 UNTIC_COMMENT("copy key")}, {"@6", 163 UNTIC_COMMENT("create key")}, {"@7", 164 UNTIC_COMMENT("Key End")}, {"@8", 165 UNTIC_COMMENT("enter/send key")}, {"@9", 166 UNTIC_COMMENT("exit key")}, {"AB", 360 UNTIC_COMMENT("set ANSI color background")}, {"AF", 359 UNTIC_COMMENT("set ANSI color foreground")}, {"AL", 110 UNTIC_COMMENT("parm_insert_line")}, {"CC", 9 UNTIC_COMMENT("terminal settable cmd character in prototype !?")}, {"CM", 15 UNTIC_COMMENT("memory relative cursor addressing")}, {"CW", 277 UNTIC_COMMENT("define a window #1 from #2, #3 to #4, #5")}, {"DC", 105 UNTIC_COMMENT("delete #1 chars")}, {"DI", 280 UNTIC_COMMENT("dial number #1")}, {"DK", 275 UNTIC_COMMENT("display clock at (#1,#2)")}, {"DL", 106 UNTIC_COMMENT("parm_delete_line")}, {"DO", 107 UNTIC_COMMENT("down #1 lines")}, {"F1", 216 UNTIC_COMMENT("key_f11")}, {"F2", 217 UNTIC_COMMENT("key_f12")}, {"F3", 218 UNTIC_COMMENT("key_f13")}, {"F4", 219 UNTIC_COMMENT("key_f14")}, {"F5", 220 UNTIC_COMMENT("key_f15")}, {"F6", 221 UNTIC_COMMENT("key_f16")}, {"F7", 222 UNTIC_COMMENT("key_f17")}, {"F8", 223 UNTIC_COMMENT("key_f18")}, {"F9", 224 UNTIC_COMMENT("key_f19")}, {"FA", 225 UNTIC_COMMENT("key_f20")}, {"FB", 226 UNTIC_COMMENT("F21 function key")}, {"FC", 227 UNTIC_COMMENT("F22 function key")}, {"FD", 228 UNTIC_COMMENT("F23 function key")}, {"FE", 229 UNTIC_COMMENT("F24 function key")}, {"FF", 230 UNTIC_COMMENT("F25 function key")}, {"FG", 231 UNTIC_COMMENT("F26 function key")}, {"FH", 232 UNTIC_COMMENT("F27 function key")}, {"FI", 233 UNTIC_COMMENT("F28 function key")}, {"FJ", 234 UNTIC_COMMENT("F29 function key")}, {"FK", 235 UNTIC_COMMENT("F30 function key")}, {"FL", 236 UNTIC_COMMENT("F31 function key")}, {"FM", 237 UNTIC_COMMENT("F32 function key")}, {"FN", 238 UNTIC_COMMENT("F33 function key")}, {"FO", 239 UNTIC_COMMENT("F34 function key")}, {"FP", 240 UNTIC_COMMENT("F35 function key")}, {"FQ", 241 UNTIC_COMMENT("F36 function key")}, {"FR", 242 UNTIC_COMMENT("F37 function key")}, {"FS", 243 UNTIC_COMMENT("F38 function key")}, {"FT", 244 UNTIC_COMMENT("F39 function key")}, {"FU", 245 UNTIC_COMMENT("F40 function key")}, {"FV", 246 UNTIC_COMMENT("F41 function key")}, {"FW", 247 UNTIC_COMMENT("F42 function key")}, {"FX", 248 UNTIC_COMMENT("F43 function key")}, {"FY", 249 UNTIC_COMMENT("F44 function key")}, {"FZ", 250 UNTIC_COMMENT("F45 function key")}, {"Fa", 251 UNTIC_COMMENT("F46 function key")}, {"Fb", 252 UNTIC_COMMENT("F47 function key")}, {"Fc", 253 UNTIC_COMMENT("F48 function key")}, {"Fd", 254 UNTIC_COMMENT("F49 function key")}, {"Fe", 255 UNTIC_COMMENT("F50 function key")}, {"Ff", 256 UNTIC_COMMENT("F51 function key")}, {"Fg", 257 UNTIC_COMMENT("F52 function key")}, {"Fh", 258 UNTIC_COMMENT("F53 function key")}, {"Fi", 259 UNTIC_COMMENT("F54 function key")}, {"Fj", 260 UNTIC_COMMENT("F55 function key")}, {"Fk", 261 UNTIC_COMMENT("F56 function key")}, {"Fl", 262 UNTIC_COMMENT("F57 function key")}, {"Fm", 263 UNTIC_COMMENT("F58 function key")}, {"Fn", 264 UNTIC_COMMENT("F59 function key")}, {"Fo", 265 UNTIC_COMMENT("F60 function key")}, {"Fp", 266 UNTIC_COMMENT("F61 function key")}, {"Fq", 267 UNTIC_COMMENT("F62 function key")}, {"Fr", 268 UNTIC_COMMENT("F63 function key")}, {"G1", 400 UNTIC_COMMENT("single upper right")}, {"G2", 398 UNTIC_COMMENT("single upper left")}, {"G3", 399 UNTIC_COMMENT("single lower left")}, {"G4", 401 UNTIC_COMMENT("single lower right")}, {"GC", 408 UNTIC_COMMENT("single intersection")}, {"GD", 405 UNTIC_COMMENT("tee pointing down")}, {"GH", 406 UNTIC_COMMENT("single horizontal line")}, {"GL", 403 UNTIC_COMMENT("tee pointing left")}, {"GR", 402 UNTIC_COMMENT("tee pointing right")}, {"GU", 404 UNTIC_COMMENT("tee pointing up")}, {"GV", 407 UNTIC_COMMENT("single vertical line")}, {"Gm", 358 UNTIC_COMMENT("Curses should get button events")}, {"HU", 279 UNTIC_COMMENT("hang-up phone")}, {"IC", 108 UNTIC_COMMENT("insert #1 chars")}, {"Ic", 299 UNTIC_COMMENT("initialize color #1 to (#2,#3,#4)")}, {"Ip", 300 UNTIC_COMMENT("Initialize color pair #1 to fg=(#2,#3,#4), bg=(#5,#6,#7)")}, {"K1", 139 UNTIC_COMMENT("upper left of keypad")}, {"K2", 141 UNTIC_COMMENT("center of keypad")}, {"K3", 140 UNTIC_COMMENT("upper right of keypad")}, {"K4", 142 UNTIC_COMMENT("lower left of keypad")}, {"K5", 143 UNTIC_COMMENT("lower right of keypad")}, {"Km", 355 UNTIC_COMMENT("Mouse event has occurred")}, {"LE", 111 UNTIC_COMMENT("move #1 chars to the left")}, {"LF", 157 UNTIC_COMMENT("turn off soft labels")}, {"LO", 156 UNTIC_COMMENT("turn on soft labels")}, {"Lf", 273 UNTIC_COMMENT("label format")}, {"MC", 270 UNTIC_COMMENT("clear right and left soft margins")}, {"ML", 271 UNTIC_COMMENT("set left soft margin")}, {"ML", 368 UNTIC_COMMENT("Set both left and right margins to #1, #2")}, {"MR", 272 UNTIC_COMMENT("set right soft margin")}, {"MT", 369 UNTIC_COMMENT("Sets both top and bottom margins to #1, #2")}, {"Mi", 356 UNTIC_COMMENT("Mouse status information")}, {"PA", 285 UNTIC_COMMENT("pause for 2-3 seconds")}, {"PU", 283 UNTIC_COMMENT("select pulse dialling")}, {"QD", 281 UNTIC_COMMENT("dial number #1 without checking")}, {"RA", 152 UNTIC_COMMENT("turn off automatic margins")}, {"RC", 276 UNTIC_COMMENT("remove clock")}, {"RF", 215 UNTIC_COMMENT("send next input char (for ptys)")}, {"RI", 112 UNTIC_COMMENT("parm_right_cursor")}, {"RQ", 357 UNTIC_COMMENT("Request mouse position")}, {"RX", 150 UNTIC_COMMENT("turn off xon/xoff handshaking")}, {"S1", 378 UNTIC_COMMENT("Display PC character")}, {"S2", 379 UNTIC_COMMENT("Enter PC character display mode")}, {"S3", 380 UNTIC_COMMENT("Exit PC character display mode")}, {"S4", 381 UNTIC_COMMENT("Enter PC scancode mode")}, {"S5", 382 UNTIC_COMMENT("Exit PC scancode mode")}, {"S6", 383 UNTIC_COMMENT("PC terminal options")}, {"S7", 384 UNTIC_COMMENT("Escape for scancode emulation")}, {"S8", 385 UNTIC_COMMENT("Alternate escape for scancode emulation")}, {"SA", 151 UNTIC_COMMENT("turn on automatic margins")}, {"SC", 274 UNTIC_COMMENT("set clock, #1 hrs #2 mins #3 secs")}, {"SF", 109 UNTIC_COMMENT("scroll forward #1 lines")}, {"SR", 113 UNTIC_COMMENT("scroll back #1 lines")}, {"SX", 149 UNTIC_COMMENT("turn on xon/xoff handshaking")}, {"Sb", 303 UNTIC_COMMENT("set background (color)")}, {"Sf", 302 UNTIC_COMMENT("set foreground (color)")}, {"TO", 282 UNTIC_COMMENT("select touch tone dialing")}, {"UP", 114 UNTIC_COMMENT("up #1 lines")}, {"WA", 286 UNTIC_COMMENT("wait for dial-tone")}, {"WG", 278 UNTIC_COMMENT("go to window #1")}, {"XF", 154 UNTIC_COMMENT("XOFF character")}, {"XN", 153 UNTIC_COMMENT("XON character")}, {"Xh", 386 UNTIC_COMMENT("Enter horizontal highlight mode")}, {"Xl", 387 UNTIC_COMMENT("Enter left highlight mode")}, {"Xo", 388 UNTIC_COMMENT("Enter low highlight mode")}, {"Xr", 389 UNTIC_COMMENT("Enter right highlight mode")}, {"Xt", 390 UNTIC_COMMENT("Enter top highlight mode")}, {"Xv", 391 UNTIC_COMMENT("Enter vertical highlight mode")}, {"Xy", 370 UNTIC_COMMENT("Repeat bit image cell #1 #2 times")}, {"YZ", 377 UNTIC_COMMENT("Set page length to #1 lines")}, {"Yv", 372 UNTIC_COMMENT("Move to beginning of same row")}, {"Yw", 373 UNTIC_COMMENT("Give name for color #1")}, {"Yx", 374 UNTIC_COMMENT("Define rectangualar bit image region")}, {"Yy", 375 UNTIC_COMMENT("End a bit-image region")}, {"Yz", 376 UNTIC_COMMENT("Change to ribbon color #1")}, {"ZA", 304 UNTIC_COMMENT("Change number of characters per inch")}, {"ZB", 305 UNTIC_COMMENT("Change number of lines per inch")}, {"ZC", 306 UNTIC_COMMENT("Change horizontal resolution")}, {"ZD", 307 UNTIC_COMMENT("Change vertical resolution")}, {"ZE", 308 UNTIC_COMMENT("Define a character")}, {"ZF", 309 UNTIC_COMMENT("Enter double-wide mode")}, {"ZG", 310 UNTIC_COMMENT("Enter draft-quality mode")}, {"ZH", 311 UNTIC_COMMENT("Enter italic mode")}, {"ZI", 312 UNTIC_COMMENT("Start leftward carriage motion")}, {"ZJ", 313 UNTIC_COMMENT("Start micro-motion mode")}, {"ZK", 314 UNTIC_COMMENT("Enter NLQ mode")}, {"ZL", 315 UNTIC_COMMENT("Wnter normal-quality mode")}, {"ZM", 316 UNTIC_COMMENT("Enter shadow-print mode")}, {"ZN", 317 UNTIC_COMMENT("Enter subscript mode")}, {"ZO", 318 UNTIC_COMMENT("Enter superscript mode")}, {"ZP", 319 UNTIC_COMMENT("Start upward carriage motion")}, {"ZQ", 320 UNTIC_COMMENT("End double-wide mode")}, {"ZR", 321 UNTIC_COMMENT("End italic mode")}, {"ZS", 322 UNTIC_COMMENT("End left-motion mode")}, {"ZT", 323 UNTIC_COMMENT("End micro-motion mode")}, {"ZU", 324 UNTIC_COMMENT("End shadow-print mode")}, {"ZV", 325 UNTIC_COMMENT("End subscript mode")}, {"ZW", 326 UNTIC_COMMENT("End superscript mode")}, {"ZX", 327 UNTIC_COMMENT("End reverse character motion")}, {"ZY", 328 UNTIC_COMMENT("Like column_address in micro mode")}, {"ZZ", 329 UNTIC_COMMENT("Like cursor_down in micro mode")}, {"Za", 330 UNTIC_COMMENT("Like cursor_left in micro mode")}, {"Zb", 331 UNTIC_COMMENT("Like cursor_right in micro mode")}, {"Zc", 332 UNTIC_COMMENT("Like row_address in micro mode")}, {"Zd", 333 UNTIC_COMMENT("Like cursor_up in micro mode")}, {"Ze", 334 UNTIC_COMMENT("Match software bits to print-head pins")}, {"Zf", 335 UNTIC_COMMENT("Like parm_down_cursor in micro mode")}, {"Zg", 336 UNTIC_COMMENT("Like parm_left_cursor in micro mode")}, {"Zh", 337 UNTIC_COMMENT("Like parm_right_cursor in micro mode")}, {"Zi", 338 UNTIC_COMMENT("Like parm_up_cursor in micro mode")}, {"Zj", 339 UNTIC_COMMENT("Select character set")}, {"Zk", 340 UNTIC_COMMENT("Set bottom margin at current line")}, {"Zl", 341 UNTIC_COMMENT("Set bottom margin at line #1 or #2 lines from bottom")}, {"Zm", 342 UNTIC_COMMENT("Set left (right) margin at column #1 (#2)")}, {"Zn", 343 UNTIC_COMMENT("Set right margin at column #1")}, {"Zo", 344 UNTIC_COMMENT("Set top margin at current line")}, {"Zp", 345 UNTIC_COMMENT("Set top (bottom) margin at row #1 (#2)")}, {"Zq", 346 UNTIC_COMMENT("Start printing bit image braphics")}, {"Zr", 347 UNTIC_COMMENT("Start character set definition")}, {"Zs", 348 UNTIC_COMMENT("Stop printing bit image graphics")}, {"Zt", 349 UNTIC_COMMENT("End definition of character aet")}, {"Zu", 350 UNTIC_COMMENT("List of subscriptable characters")}, {"Zv", 351 UNTIC_COMMENT("List of superscriptable characters")}, {"Zw", 352 UNTIC_COMMENT("Printing any of these chars causes CR")}, {"Zx", 353 UNTIC_COMMENT("No motion for subsequent character")}, {"Zy", 354 UNTIC_COMMENT("List of character set names")}, {"Zz", 371 UNTIC_COMMENT("Move to next row of the bit image")}, {"ac", 146 UNTIC_COMMENT("acs_chars")}, {"ae", 38 UNTIC_COMMENT("exit_alt_charset_mode")}, {"al", 53 UNTIC_COMMENT("insert line")}, {"as", 25 UNTIC_COMMENT("enter_alt_charset_mode")}, {"bc", 395 UNTIC_COMMENT("move left, if not ^H")}, {"bl", 1 UNTIC_COMMENT("audible signal (bell)")}, {"bt", 0 UNTIC_COMMENT("back tab")}, {"bx", 411 UNTIC_COMMENT("box chars primary set")}, {"cb", 269 UNTIC_COMMENT("Clear to beginning of line")}, {"cd", 7 UNTIC_COMMENT("clear to end of screen")}, {"ce", 6 UNTIC_COMMENT("clr_eol")}, {"ch", 8 UNTIC_COMMENT("horizontal position #1, absolute")}, {"ci", 363 UNTIC_COMMENT("Init sequence for multiple codesets")}, {"cl", 5 UNTIC_COMMENT("clear screen and home cursor")}, {"cm", 10 UNTIC_COMMENT("move to row #1 columns #2")}, {"cr", 2 UNTIC_COMMENT("carriage return")}, {"cs", 3 UNTIC_COMMENT("change region to line #1 to line #2")}, {"ct", 4 UNTIC_COMMENT("clear all tab stops")}, {"cv", 127 UNTIC_COMMENT("vertical position #1 absolute")}, {"dc", 21 UNTIC_COMMENT("delete character")}, {"dl", 22 UNTIC_COMMENT("delete line")}, {"dm", 29 UNTIC_COMMENT("enter delete mode")}, {"do", 11 UNTIC_COMMENT("down one line")}, {"ds", 23 UNTIC_COMMENT("disable status line")}, {"dv", 362 UNTIC_COMMENT("Indicate language/codeset support")}, {"eA", 155 UNTIC_COMMENT("enable alternate char set")}, {"ec", 37 UNTIC_COMMENT("erase #1 characters")}, {"ed", 41 UNTIC_COMMENT("end delete mode")}, {"ei", 42 UNTIC_COMMENT("exit insert mode")}, {"ff", 46 UNTIC_COMMENT("hardcopy terminal page eject")}, {"fh", 284 UNTIC_COMMENT("flash switch hook")}, {"fs", 47 UNTIC_COMMENT("return from status line")}, {"hd", 24 UNTIC_COMMENT("half a line down")}, {"ho", 12 UNTIC_COMMENT("home cursor (if no cup)")}, {"hu", 137 UNTIC_COMMENT("half a line up")}, {"i1", 48 UNTIC_COMMENT("initialization string")}, {"i2", 392 UNTIC_COMMENT("secondary initialization string")}, {"i3", 50 UNTIC_COMMENT("initialization string")}, {"iP", 138 UNTIC_COMMENT("path name of program for initialization")}, {"ic", 52 UNTIC_COMMENT("insert character")}, {"if", 51 UNTIC_COMMENT("name of initialization file")}, {"im", 31 UNTIC_COMMENT("enter insert mode")}, {"ip", 54 UNTIC_COMMENT("insert padding after inserted character")}, {"is", 49 UNTIC_COMMENT("initialization string")}, {"k0", 65 UNTIC_COMMENT("F0 function key")}, {"k1", 66 UNTIC_COMMENT("F1 function key")}, {"k2", 68 UNTIC_COMMENT("F2 function key")}, {"k3", 69 UNTIC_COMMENT("F3 function key")}, {"k4", 70 UNTIC_COMMENT("F4 function key")}, {"k5", 71 UNTIC_COMMENT("F5 function key")}, {"k6", 72 UNTIC_COMMENT("F6 function key")}, {"k7", 73 UNTIC_COMMENT("F7 function key")}, {"k8", 74 UNTIC_COMMENT("F8 fucntion key")}, {"k9", 75 UNTIC_COMMENT("F9 function key")}, {"k;", 67 UNTIC_COMMENT("F10 function key")}, {"kA", 78 UNTIC_COMMENT("insert-line key")}, {"kB", 148 UNTIC_COMMENT("back-tab key")}, {"kC", 57 UNTIC_COMMENT("clear-screen or erase key")}, {"kD", 59 UNTIC_COMMENT("delete-character key")}, {"kE", 63 UNTIC_COMMENT("clear-to-end-of-line key")}, {"kF", 84 UNTIC_COMMENT("scroll-forward key")}, {"kH", 80 UNTIC_COMMENT("last-line key")}, {"kI", 77 UNTIC_COMMENT("insert-character key")}, {"kL", 60 UNTIC_COMMENT("delete-line key")}, {"kM", 62 UNTIC_COMMENT("sent by rmir or smir in insert mode")}, {"kN", 81 UNTIC_COMMENT("next-page key")}, {"kP", 82 UNTIC_COMMENT("prev-page key")}, {"kR", 85 UNTIC_COMMENT("scroll-backward key")}, {"kS", 64 UNTIC_COMMENT("clear-to-end-of-screen key")}, {"kT", 86 UNTIC_COMMENT("set-tab key")}, {"ka", 56 UNTIC_COMMENT("clear-all-tabs key")}, {"kb", 55 UNTIC_COMMENT("backspace key")}, {"kd", 61 UNTIC_COMMENT("down-arrow key")}, {"ke", 88 UNTIC_COMMENT("leave 'keyboard_transmit' mode")}, {"kh", 76 UNTIC_COMMENT("home key")}, {"kl", 79 UNTIC_COMMENT("left-arrow key")}, {"ko", 396 UNTIC_COMMENT("list of self-mapped keycaps")}, {"kr", 83 UNTIC_COMMENT("right-arrow key")}, {"ks", 89 UNTIC_COMMENT("enter 'keyboard_transmit' mode")}, {"kt", 58 UNTIC_COMMENT("clear-tab key")}, {"ku", 87 UNTIC_COMMENT("up-arrow key")}, {"l0", 90 UNTIC_COMMENT("label on function key f0 if not f0")}, {"l1", 91 UNTIC_COMMENT("label on function key f1 if not f1")}, {"l2", 93 UNTIC_COMMENT("label on function key f2 if not f2")}, {"l3", 94 UNTIC_COMMENT("label on function key f3 if not f3")}, {"l4", 95 UNTIC_COMMENT("label on function key f4 if not f4")}, {"l5", 96 UNTIC_COMMENT("lable on function key f5 if not f5")}, {"l6", 97 UNTIC_COMMENT("label on function key f6 if not f6")}, {"l7", 98 UNTIC_COMMENT("label on function key f7 if not f7")}, {"l8", 99 UNTIC_COMMENT("label on function key f8 if not f8")}, {"l9", 100 UNTIC_COMMENT("label on function key f9 if not f9")}, {"la", 92 UNTIC_COMMENT("label on function key f10 if not f10")}, {"le", 14 UNTIC_COMMENT("move left one space")}, {"ll", 18 UNTIC_COMMENT("last line, first column (if no cup)")}, {"ma", 397 UNTIC_COMMENT("map arrow keys rogue(1) motion keys")}, {"mb", 26 UNTIC_COMMENT("turn on blinking")}, {"md", 27 UNTIC_COMMENT("turn on bold (extra bright) mode")}, {"me", 39 UNTIC_COMMENT("turn off all attributes")}, {"mh", 30 UNTIC_COMMENT("turn on half-bright mode")}, {"mk", 32 UNTIC_COMMENT("turn on blank mode (characters invisible)")}, {"ml", 409 UNTIC_COMMENT("memory lock above")}, {"mm", 102 UNTIC_COMMENT("turn on meta mode (8th-bit on)")}, {"mo", 101 UNTIC_COMMENT("turn off meta mode")}, {"mp", 33 UNTIC_COMMENT("turn on protected mode")}, {"mr", 34 UNTIC_COMMENT("turn on reverse video mode")}, {"mu", 410 UNTIC_COMMENT("memory unlock")}, {"nd", 17 UNTIC_COMMENT("move right one space")}, {"nl", 394 UNTIC_COMMENT("use to move down")}, {"nw", 103 UNTIC_COMMENT("newline (behave like cr followed by lf)")}, {"oc", 298 UNTIC_COMMENT("Set all color pairs to the original ones")}, {"op", 297 UNTIC_COMMENT("Set default pair to its original value")}, {"pO", 144 UNTIC_COMMENT("turn on printer for #1 bytes")}, {"pc", 104 UNTIC_COMMENT("padding char (instead of null)")}, {"pf", 119 UNTIC_COMMENT("turn off printer")}, {"pk", 115 UNTIC_COMMENT("program function key #1 to type string #2")}, {"pl", 116 UNTIC_COMMENT("program function key #1 to execute string #2")}, {"pn", 147 UNTIC_COMMENT("program label #1 to show string #2")}, {"po", 120 UNTIC_COMMENT("turn on printer")}, {"ps", 118 UNTIC_COMMENT("print contents of screen")}, {"px", 117 UNTIC_COMMENT("program function key #1 to transmit string #2")}, {"r1", 122 UNTIC_COMMENT("reset string")}, {"r2", 123 UNTIC_COMMENT("reset string")}, {"r3", 124 UNTIC_COMMENT("reset string")}, {"rP", 145 UNTIC_COMMENT("like ip but when in insert mode")}, {"rc", 126 UNTIC_COMMENT("restore cursor to last position of sc")}, {"rf", 125 UNTIC_COMMENT("name of reset file")}, {"rp", 121 UNTIC_COMMENT("repeat char #1 #2 times")}, {"rs", 393 UNTIC_COMMENT("terminal reset string")}, {"s0", 364 UNTIC_COMMENT("Shift to code set 0 (EUC set 0, ASCII)")}, {"s1", 365 UNTIC_COMMENT("Shift to code set 1")}, {"s2", 366 UNTIC_COMMENT("Shift to code set 2")}, {"s3", 367 UNTIC_COMMENT("Shift to code set 3")}, {"sa", 131 UNTIC_COMMENT("define video attributes #1-#9 (PG9)")}, {"sc", 128 UNTIC_COMMENT("save current cursor position")}, {"se", 43 UNTIC_COMMENT("exit standout mode")}, {"sf", 129 UNTIC_COMMENT("scroll text up")}, {"so", 35 UNTIC_COMMENT("begin standout mode")}, {"sp", 301 UNTIC_COMMENT("Set current color pair to #1")}, {"sr", 130 UNTIC_COMMENT("scroll text down")}, {"st", 132 UNTIC_COMMENT("set a tab in every row, current columns")}, {"ta", 134 UNTIC_COMMENT("tab to next 8-space hardware tab stop")}, {"te", 40 UNTIC_COMMENT("strings to end programs using cup")}, {"ti", 28 UNTIC_COMMENT("string to start programs using cup")}, {"ts", 135 UNTIC_COMMENT("move to status line")}, {"u0", 287 UNTIC_COMMENT("User string #0")}, {"u1", 288 UNTIC_COMMENT("User string #1")}, {"u2", 289 UNTIC_COMMENT("User string #2")}, {"u3", 290 UNTIC_COMMENT("User string #3")}, {"u4", 291 UNTIC_COMMENT("User string #4")}, {"u5", 292 UNTIC_COMMENT("User string #5")}, {"u6", 293 UNTIC_COMMENT("User string #6")}, {"u7", 294 UNTIC_COMMENT("User string #7")}, {"u8", 295 UNTIC_COMMENT("User string #8")}, {"u9", 296 UNTIC_COMMENT("User string #9")}, {"uc", 136 UNTIC_COMMENT("underline char and move past it")}, {"ue", 44 UNTIC_COMMENT("exit underline mode")}, {"up", 19 UNTIC_COMMENT("up one line")}, {"us", 36 UNTIC_COMMENT("begin underline mode")}, {"vb", 45 UNTIC_COMMENT("visible bell (may not move cursor)")}, {"ve", 16 UNTIC_COMMENT("make cursor appear normal (undo civis/cvvis)")}, {"vi", 13 UNTIC_COMMENT("make cursor invisible")}, {"vs", 20 UNTIC_COMMENT("make cursor very visible")}, {"wi", 133 UNTIC_COMMENT("current window is lines #1-#2 cols #3-#4")}, {"xl", 361 UNTIC_COMMENT("Program function key #1 to type string #2 and show string #3")}, {"", -1 UNTIC_COMMENT(NULL)} }; static int compute_cap_offset (char *cap, SLterminfo_Type *t, Tgetstr_Map_Type *map, unsigned int max_ofs) { char cha, chb; (void) t; cha = *cap++; chb = *cap; while (*map->name != 0) { if ((cha == *map->name) && (chb == *(map->name + 1))) { if (map->offset >= (int) max_ofs) return -1; return map->offset; } map++; } return -1; } char *_SLtt_tigetstr (SLterminfo_Type *t, char *cap) { int offset; if (t == NULL) return NULL; if (t->flags == SLTERMCAP) return tcap_getstr (cap, t); offset = compute_cap_offset (cap, t, Tgetstr_Map, t->num_string_offsets); if (offset < 0) return NULL; offset = make_integer (t->string_offsets + 2 * offset); if (offset < 0) return NULL; return t->string_table + offset; } static Tgetstr_Map_Type Tgetnum_Map[] = { {"BT", 30 UNTIC_COMMENT("number of buttons on mouse")}, {"Co", 13 UNTIC_COMMENT("maximum numbers of colors on screen")}, {"MW", 12 UNTIC_COMMENT("maxumum number of defineable windows")}, {"NC", 15 UNTIC_COMMENT("video attributes that can't be used with colors")}, {"Nl", 8 UNTIC_COMMENT("number of labels on screen")}, {"Ya", 16 UNTIC_COMMENT("numbers of bytes buffered before printing")}, {"Yb", 17 UNTIC_COMMENT("spacing of pins vertically in pins per inch")}, {"Yc", 18 UNTIC_COMMENT("spacing of dots horizontally in dots per inch")}, {"Yd", 19 UNTIC_COMMENT("maximum value in micro_..._address")}, {"Ye", 20 UNTIC_COMMENT("maximum value in parm_..._micro")}, {"Yf", 21 UNTIC_COMMENT("character size when in micro mode")}, {"Yg", 22 UNTIC_COMMENT("line size when in micro mode")}, {"Yh", 23 UNTIC_COMMENT("numbers of pins in print-head")}, {"Yi", 24 UNTIC_COMMENT("horizontal resolution in units per line")}, {"Yj", 25 UNTIC_COMMENT("vertical resolution in units per line")}, {"Yk", 26 UNTIC_COMMENT("horizontal resolution in units per inch")}, {"Yl", 27 UNTIC_COMMENT("vertical resolution in units per inch")}, {"Ym", 28 UNTIC_COMMENT("print rate in chars per second")}, {"Yn", 29 UNTIC_COMMENT("character step size when in double wide mode")}, {"Yo", 31 UNTIC_COMMENT("number of passed for each bit-image row")}, {"Yp", 32 UNTIC_COMMENT("type of bit-image device")}, {"co", 0 UNTIC_COMMENT("number of columns in aline")}, {"dB", 36 UNTIC_COMMENT("padding required for ^H")}, {"dC", 34 UNTIC_COMMENT("pad needed for CR")}, {"dN", 35 UNTIC_COMMENT("pad needed for LF")}, {"dT", 37 UNTIC_COMMENT("padding required for ^I")}, {"it", 1 UNTIC_COMMENT("tabs initially every # spaces")}, {"kn", 38 UNTIC_COMMENT("count of function keys")}, {"lh", 9 UNTIC_COMMENT("rows in each label")}, {"li", 2 UNTIC_COMMENT("number of lines on screen or page")}, {"lm", 3 UNTIC_COMMENT("lines of memory if > line. 0 => varies")}, {"lw", 10 UNTIC_COMMENT("columns in each label")}, {"ma", 11 UNTIC_COMMENT("maximum combined attributes terminal can handle")}, {"pa", 14 UNTIC_COMMENT("maximum number of color-pairs on the screen")}, {"pb", 5 UNTIC_COMMENT("lowest baud rate where padding needed")}, {"sg", 4 UNTIC_COMMENT("number of blank chars left by smso or rmso")}, {"ug", 33 UNTIC_COMMENT("number of blanks left by ul")}, {"vt", 6 UNTIC_COMMENT("virtual terminal number (CB/unix)")}, {"ws", 7 UNTIC_COMMENT("columns in status line")}, {"", -1 UNTIC_COMMENT(NULL)} }; int _SLtt_tigetnum (SLterminfo_Type *t, char *cap) { int offset; if (t == NULL) return -1; if (t->flags == SLTERMCAP) return tcap_getnum (cap, t); offset = compute_cap_offset (cap, t, Tgetnum_Map, t->num_numbers); if (offset < 0) return -1; return make_integer (t->numbers + 2 * offset); } static Tgetstr_Map_Type Tgetflag_Map[] = { {"5i", 22 UNTIC_COMMENT("printer won't echo on screen")}, {"HC", 23 UNTIC_COMMENT("cursor is hard to see")}, {"MT", 40 UNTIC_COMMENT("has meta key")}, {"ND", 26 UNTIC_COMMENT("scrolling region is non-destructive")}, {"NL", 41 UNTIC_COMMENT("move down with \n")}, {"NP", 25 UNTIC_COMMENT("pad character does not exist")}, {"NR", 24 UNTIC_COMMENT("smcup does not reverse rmcup")}, {"YA", 30 UNTIC_COMMENT("only positive motion for hpa/mhpa caps")}, {"YB", 31 UNTIC_COMMENT("using cr turns off micro mode")}, {"YC", 32 UNTIC_COMMENT("printer needs operator to change character set")}, {"YD", 33 UNTIC_COMMENT("only positive motion for vpa/mvpa caps")}, {"YE", 34 UNTIC_COMMENT("printing in last column causes cr")}, {"YF", 35 UNTIC_COMMENT("changing character pitch changes resolution")}, {"YG", 36 UNTIC_COMMENT("changing line pitch changes resolution")}, {"am", 1 UNTIC_COMMENT("terminal has automatic margins")}, {"bs", 37 UNTIC_COMMENT("uses ^H to move left")}, {"bw", 0 UNTIC_COMMENT("cub1 wraps from column 0 to last column")}, {"cc", 27 UNTIC_COMMENT("terminal can re-define existing colors")}, {"da", 11 UNTIC_COMMENT("display may be retained above the screen")}, {"db", 12 UNTIC_COMMENT("display may be retained below the screen")}, {"eo", 5 UNTIC_COMMENT("can erase overstrikes with a blank")}, {"es", 16 UNTIC_COMMENT("escape can be used on the status line")}, {"gn", 6 UNTIC_COMMENT("generic line type")}, {"hc", 7 UNTIC_COMMENT("hardcopy terminal")}, {"hl", 29 UNTIC_COMMENT("terminal uses only HLS color notation (tektronix)")}, {"hs", 9 UNTIC_COMMENT("has extra status line")}, {"hz", 18 UNTIC_COMMENT("can't print ~'s (hazeltine)")}, {"in", 10 UNTIC_COMMENT("insert mode distinguishes nulls")}, {"km", 8 UNTIC_COMMENT("Has a meta key, sets msb high")}, {"mi", 13 UNTIC_COMMENT("safe to move while in insert mode")}, {"ms", 14 UNTIC_COMMENT("safe to move while in standout mode")}, {"nc", 39 UNTIC_COMMENT("no way to go to start of line")}, {"ns", 38 UNTIC_COMMENT("crt cannot scroll")}, {"nx", 21 UNTIC_COMMENT("padding won't work, xon/xoff required")}, {"os", 15 UNTIC_COMMENT("terminal can overstrike")}, {"pt", 42 UNTIC_COMMENT("has 8-char tabs invoked with ^I")}, {"ul", 19 UNTIC_COMMENT("underline character overstrikes")}, {"ut", 28 UNTIC_COMMENT("screen erased with background color")}, {"xb", 2 UNTIC_COMMENT("beehive (f1=escape, f2=ctrl C)")}, {"xn", 4 UNTIC_COMMENT("newline ignored after 80 cols (concept)")}, {"xo", 20 UNTIC_COMMENT("terminal uses xon/xoff handshaking")}, {"xr", 43 UNTIC_COMMENT("return clears the line")}, {"xs", 3 UNTIC_COMMENT("standout not erased by overwriting (hp)")}, {"xt", 17 UNTIC_COMMENT("tabs destructive, magic so char (t1061)")}, {"", -1 UNTIC_COMMENT(NULL)} }; int _SLtt_tigetflag (SLterminfo_Type *t, char *cap) { int offset; if (t == NULL) return -1; if (t->flags == SLTERMCAP) return tcap_getflag (cap, t); offset = compute_cap_offset (cap, t, Tgetflag_Map, t->boolean_section_size); if (offset < 0) return -1; return (int) *(t->boolean_flags + offset); } /* These are my termcap routines. They only work with the TERMCAP environment * variable. This variable must contain the termcap entry and NOT the file. */ static int tcap_getflag (char *cap, SLterminfo_Type *t) { char a, b; char *f = (char *) t->boolean_flags; char *fmax; if (f == NULL) return 0; fmax = f + t->boolean_section_size; a = *cap; b = *(cap + 1); while (f < fmax) { if ((a == f[0]) && (b == f[1])) return 1; f += 2; } return 0; } static char *tcap_get_cap (unsigned char *cap, unsigned char *caps, unsigned int len) { unsigned char c0, c1; unsigned char *caps_max; c0 = cap[0]; c1 = cap[1]; if (caps == NULL) return NULL; caps_max = caps + len; while (caps < caps_max) { if ((c0 == caps[0]) && (c1 == caps[1])) { return (char *) caps + 3; } caps += (int) caps[2]; } return NULL; } static int tcap_getnum (char *cap, SLterminfo_Type *t) { cap = tcap_get_cap ((unsigned char *) cap, t->numbers, t->num_numbers); if (cap == NULL) return -1; return atoi (cap); } static char *tcap_getstr (char *cap, SLterminfo_Type *t) { return tcap_get_cap ((unsigned char *) cap, (unsigned char *) t->string_table, t->string_table_size); } static int tcap_extract_field (unsigned char *t0) { register unsigned char ch, *t = t0; while (((ch = *t) != 0) && (ch != ':')) t++; if (ch == ':') return (int) (t - t0); return -1; } int SLtt_Try_Termcap = 1; static int tcap_getent (char *term, SLterminfo_Type *ti) { unsigned char *termcap, ch; unsigned char *buf, *b; unsigned char *t; int len; if (SLtt_Try_Termcap == 0) return -1; #if 1 /* XFREE86 xterm sets the TERMCAP environment variable to an invalid * value. Specifically, it lacks the tc= string. */ if (!strncmp (term, "xterm", 5)) return -1; #endif termcap = (unsigned char *) getenv ("TERMCAP"); if ((termcap == NULL) || (*termcap == '/')) return -1; /* We have a termcap so lets use it provided it does not have a reference * to another terminal via tc=. In that case, use terminfo. The alternative * would be to parse the termcap file which I do not want to do right now. * Besides, this is a terminfo based system and if the termcap were parsed * terminfo would almost never get a chance to run. In addition, the tc= * thing should not occur if tset is used to set the termcap entry. */ t = termcap; while ((len = tcap_extract_field (t)) != -1) { if ((len > 3) && (t[0] == 't') && (t[1] == 'c') && (t[2] == '=')) return -1; t += (len + 1); } /* malloc some extra space just in case it is needed. */ len = strlen ((char *) termcap) + 256; if (NULL == (buf = (unsigned char *) SLmalloc ((unsigned int) len))) return -1; b = buf; /* The beginning of the termcap entry contains the names of the entry. * It is terminated by a colon. */ ti->terminal_names = (char *) b; t = termcap; len = tcap_extract_field (t); if (len < 0) { SLfree ((char *)buf); return -1; } strncpy ((char *) b, (char *) t, (unsigned int) len); b[len] = 0; b += len + 1; ti->name_section_size = len; /* Now, we are really at the start of the termcap entries. Point the * termcap variable here since we want to refer to this a number of times. */ termcap = t + (len + 1); /* Process strings first. */ ti->string_table = (char *) b; t = termcap; while (-1 != (len = tcap_extract_field (t))) { unsigned char *b1; unsigned char *tmax; /* We are looking for: XX=something */ if ((len < 4) || (t[2] != '=') || (*t == '.')) { t += len + 1; continue; } tmax = t + len; b1 = b; while (t < tmax) { ch = *t++; if ((ch == '\\') && (t < tmax)) { t = (unsigned char *) _SLexpand_escaped_char ((char *) t, (char *) &ch); } else if ((ch == '^') && (t < tmax)) { ch = *t++; if (ch == '?') ch = 127; else ch = (ch | 0x20) - ('a' - 1); } *b++ = ch; } /* Null terminate it. */ *b++ = 0; len = (int) (b - b1); b1[2] = (unsigned char) len; /* replace the = by the length */ /* skip colon to next field. */ t++; } ti->string_table_size = (int) (b - (unsigned char *) ti->string_table); /* Now process the numbers. */ t = termcap; ti->numbers = b; while (-1 != (len = tcap_extract_field (t))) { unsigned char *b1; unsigned char *tmax; /* We are looking for: XX#NUMBER */ if ((len < 4) || (t[2] != '#') || (*t == '.')) { t += len + 1; continue; } tmax = t + len; b1 = b; while (t < tmax) { *b++ = *t++; } /* Null terminate it. */ *b++ = 0; len = (int) (b - b1); b1[2] = (unsigned char) len; /* replace the # by the length */ t++; } ti->num_numbers = (int) (b - ti->numbers); /* Now process the flags. */ t = termcap; ti->boolean_flags = b; while (-1 != (len = tcap_extract_field (t))) { /* We are looking for: XX#NUMBER */ if ((len != 2) || (*t == '.') || (*t <= ' ')) { t += len + 1; continue; } b[0] = t[0]; b[1] = t[1]; t += 3; b += 2; } ti->boolean_section_size = (int) (b - ti->boolean_flags); ti->flags = SLTERMCAP; return 0; } /* These routines are provided only for backward binary compatability. * They will vanish in V2.x */ char *SLtt_tigetent (char *s) { return (char *) _SLtt_tigetent (s); } extern char *SLtt_tigetstr (char *s, char **p) { if (p == NULL) return NULL; return _SLtt_tigetstr ((SLterminfo_Type *) *p, s); } extern int SLtt_tigetnum (char *s, char **p) { if (p == NULL) return -1; return _SLtt_tigetnum ((SLterminfo_Type *) *p, s); }