/* This file contains enough terminfo reading capabilities sufficient for
* the slang SLtt interface.
*/
/* Copyright (c) 1992, 1998 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 "config.h"
#include "sl-feat.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#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.
*/
typedef struct
{
#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;
} Terminfo_Type;
static char *tcap_getstr (char *, Terminfo_Type *);
static int tcap_getnum (char *, Terminfo_Type *);
static int tcap_getflag (char *, Terminfo_Type *);
static int tcap_getent (char *, Terminfo_Type *);
static FILE *open_terminfo (char *file, Terminfo_Type *h)
{
FILE *fp;
unsigned char buf[12];
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, Terminfo_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
* <term.h>.
*/
static unsigned char *read_boolean_flags (FILE *fp, Terminfo_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, Terminfo_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 ($<nn>) and parameter information
* (%x) are stored intact in uninterpreted form.
*/
static unsigned char *read_string_offsets (FILE *fp, Terminfo_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, Terminfo_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.
*/
#define MAX_TI_DIRS 7
static char *Terminfo_Dirs [MAX_TI_DIRS] =
{
NULL, /* $HOME/.terminfo */
NULL, /* $TERMINFO */
"/usr/share/terminfo",
"/usr/lib/terminfo",
"/usr/share/lib/terminfo",
"/etc/terminfo",
"/usr/local/lib/terminfo"
};
char *SLtt_tigetent (char *term)
{
char *tidir;
int i;
FILE *fp = NULL;
char file[1024];
static char home_ti [1024];
char *home;
Terminfo_Type *ti;
if (
(term == NULL)
#ifdef SLANG_UNTIC
&& (SLang_Untic_Terminfo_File == NULL)
#endif
)
return NULL;
if (NULL == (ti = (Terminfo_Type *) SLmalloc (sizeof (Terminfo_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 (char *) 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 (i < MAX_TI_DIRS)
{
tidir = Terminfo_Dirs[i];
if ((tidir != NULL)
&& (sizeof (file) > strlen (tidir) + 2 + 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 (char *) 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 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, Terminfo_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 (char *cap, char **pp)
{
int offset;
Terminfo_Type *t;
if ((pp == NULL) || (NULL == (t = (Terminfo_Type *) *pp))) 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 (char *cap, char **pp)
{
int offset;
Terminfo_Type *t;
if ((pp == NULL) || (NULL == (t = (Terminfo_Type *) *pp))) 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 (char *cap, char **pp)
{
int offset;
Terminfo_Type *t;
if ((pp == NULL) || (NULL == (t = (Terminfo_Type *) *pp))) 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, Terminfo_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, Terminfo_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, Terminfo_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, Terminfo_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, user 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;
}