1 /* 2 * Copyright (C) 1984-2024 Mark Nudelman 3 * 4 * You may distribute under the terms of either the GNU General Public 5 * License or the Less License, as specified in the README file. 6 * 7 * For more information, see the README file. 8 */ 9 10 #define NEWBOT 1 11 12 /* 13 * Standard include file for "less". 14 */ 15 16 /* 17 * Defines for MSDOS_COMPILER. 18 */ 19 #define MSOFTC 1 /* Microsoft C */ 20 #define BORLANDC 2 /* Borland C */ 21 #define WIN32C 3 /* Windows (Borland C or Microsoft C) */ 22 #define DJGPPC 4 /* DJGPP C */ 23 24 /* 25 * Include the file of compile-time options. 26 * The <> make cc search for it in -I., not srcdir. 27 */ 28 #include <defines.h> 29 30 #ifdef _SEQUENT_ 31 /* 32 * Kludge for Sequent Dynix systems that have sigsetmask, but 33 * it's not compatible with the way less calls it. 34 * {{ Do other systems need this? }} 35 */ 36 #undef HAVE_SIGSETMASK 37 #endif 38 39 40 /* Library function declarations */ 41 42 #if HAVE_SYS_TYPES_H 43 #include <sys/types.h> 44 #endif 45 #if HAVE_STDIO_H 46 #include <stdio.h> 47 #endif 48 #if HAVE_FCNTL_H 49 #include <fcntl.h> 50 #endif 51 #if HAVE_UNISTD_H 52 #include <unistd.h> 53 #endif 54 #if HAVE_CTYPE_H 55 #include <ctype.h> 56 #endif 57 #if HAVE_WCTYPE_H 58 #include <wctype.h> 59 #endif 60 #if HAVE_LIMITS_H 61 #include <limits.h> 62 #endif 63 #if HAVE_STDINT_H 64 #include <stdint.h> 65 #endif 66 #if HAVE_STDLIB_H 67 #include <stdlib.h> 68 #endif 69 #if HAVE_STRING_H 70 #include <string.h> 71 #endif 72 73 #if HAVE_STDCKDINT_H 74 #include <stdckdint.h> 75 #else 76 /* 77 * These substitutes for C23 stdckdint macros do not set *R on overflow, 78 * and they assume A and B are nonnegative. That is good enough for us. 79 */ 80 #define ckd_add(r, a, b) help_ckd_add(r, (uintmax)(a), (uintmax)(b), sizeof *(r), signed_expr(*(r))) 81 #define ckd_mul(r, a, b) help_ckd_mul(r, (uintmax)(a), (uintmax)(b), sizeof *(r), signed_expr(*(r))) 82 /* True if the integer expression E, after promotion, is signed. */ 83 #define signed_expr(e) ((TRUE ? 0 : e) - 1 < 0) 84 #endif 85 #define muldiv(val,num,den) umuldiv((uintmax)(val), (uintmax)(num), (uintmax)(den)) 86 87 #include "lang.h" 88 89 #if defined UINTMAX_MAX 90 typedef uintmax_t uintmax; 91 #elif defined ULLONG_MAX 92 typedef unsigned long long uintmax; 93 #else 94 typedef unsigned long uintmax; 95 #endif 96 97 /* OS-specific includes */ 98 #ifdef _OSK 99 #include <modes.h> 100 #include <strings.h> 101 #endif 102 103 #ifdef __TANDEM 104 #include <floss.h> 105 #endif 106 107 #if MSDOS_COMPILER==WIN32C || OS2 108 #include <io.h> 109 #endif 110 111 #if MSDOS_COMPILER==DJGPPC 112 #include <io.h> 113 #include <sys/exceptn.h> 114 #include <conio.h> 115 #include <pc.h> 116 #endif 117 118 #if !HAVE_STDLIB_H 119 char *getenv(); 120 off_t lseek(); 121 void *calloc(); 122 void free(); 123 #endif 124 125 /* 126 * Simple lowercase test which can be used during option processing 127 * (before options are parsed which might tell us what charset to use). 128 */ 129 #define ASCII_IS_UPPER(c) ((c) >= 'A' && (c) <= 'Z') 130 #define ASCII_IS_LOWER(c) ((c) >= 'a' && (c) <= 'z') 131 #define ASCII_TO_UPPER(c) ((c) - 'a' + 'A') 132 #define ASCII_TO_LOWER(c) ((c) - 'A' + 'a') 133 134 #undef IS_UPPER 135 #undef IS_LOWER 136 #undef TO_UPPER 137 #undef TO_LOWER 138 #undef IS_SPACE 139 #undef IS_DIGIT 140 141 #if HAVE_WCTYPE 142 #define IS_UPPER(c) iswupper((wint_t) (c)) 143 #define IS_LOWER(c) iswlower((wint_t) (c)) 144 #define TO_UPPER(c) towupper((wint_t) (c)) 145 #define TO_LOWER(c) towlower((wint_t) (c)) 146 #else 147 #if HAVE_UPPER_LOWER 148 #define IS_UPPER(c) (is_ascii_char(c) && isupper((unsigned char) (c))) 149 #define IS_LOWER(c) (is_ascii_char(c) && islower((unsigned char) (c))) 150 #define TO_UPPER(c) (is_ascii_char(c) ? toupper((unsigned char) (c)) : (c)) 151 #define TO_LOWER(c) (is_ascii_char(c) ? tolower((unsigned char) (c)) : (c)) 152 #else 153 #define IS_UPPER(c) (is_ascii_char(c) && ASCII_IS_UPPER(c)) 154 #define IS_LOWER(c) (is_ascii_char(c) && ASCII_IS_LOWER(c)) 155 #define TO_UPPER(c) (is_ascii_char(c) ? ASCII_TO_UPPER(c) : (c)) 156 #define TO_LOWER(c) (is_ascii_char(c) ? ASCII_TO_LOWER(c) : (c)) 157 #endif 158 #endif 159 160 #ifdef isspace 161 #define IS_SPACE(c) isspace((unsigned char)(c)) 162 #else 163 #define IS_SPACE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\r' || (c) == '\f') 164 #endif 165 166 #ifdef isdigit 167 #define IS_DIGIT(c) isdigit((unsigned char)(c)) 168 #else 169 #define IS_DIGIT(c) ((c) >= '0' && (c) <= '9') 170 #endif 171 172 #define IS_CSI_START(c) (((LWCHAR)(c)) == ESC || (((LWCHAR)(c)) == CSI)) 173 174 #define OPT_OFF 0 175 #define OPT_ON 1 176 #define OPT_ONPLUS 2 177 178 #if !HAVE_MEMCPY 179 #ifndef memcpy 180 #define memcpy(to,from,len) bcopy((from),(to),(len)) 181 #endif 182 #endif 183 184 #if HAVE_SNPRINTF 185 #define SNPRINTF1(str, size, fmt, v1) snprintf((str), (size), (fmt), (v1)) 186 #define SNPRINTF2(str, size, fmt, v1, v2) snprintf((str), (size), (fmt), (v1), (v2)) 187 #define SNPRINTF3(str, size, fmt, v1, v2, v3) snprintf((str), (size), (fmt), (v1), (v2), (v3)) 188 #define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) snprintf((str), (size), (fmt), (v1), (v2), (v3), (v4)) 189 #else 190 /* Use unsafe sprintf if we don't have snprintf. */ 191 #define SNPRINTF1(str, size, fmt, v1) sprintf((str), (fmt), (v1)) 192 #define SNPRINTF2(str, size, fmt, v1, v2) sprintf((str), (fmt), (v1), (v2)) 193 #define SNPRINTF3(str, size, fmt, v1, v2, v3) sprintf((str), (fmt), (v1), (v2), (v3)) 194 #define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) sprintf((str), (fmt), (v1), (v2), (v3), (v4)) 195 #endif 196 197 #define BAD_LSEEK ((off_t)-1) 198 199 #ifndef SEEK_SET 200 #define SEEK_SET 0 201 #endif 202 #ifndef SEEK_END 203 #define SEEK_END 2 204 #endif 205 206 #ifndef CHAR_BIT 207 #define CHAR_BIT 8 208 #endif 209 210 /* 211 * Upper bound on the string length of an integer converted to string. 212 * 302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit; 213 * add 1 for integer division truncation; add 1 more for a minus sign. 214 */ 215 #define INT_STRLEN_BOUND(t) ((sizeof(t) * CHAR_BIT - 1) * 302 / 1000 + 1 + 1) 216 217 /* 218 * Special types and constants. 219 */ 220 typedef unsigned long LWCHAR; 221 #if defined(MINGW) || (defined(_MSC_VER) && _MSC_VER >= 1500) 222 typedef long long less_off_t; /* __int64 */ 223 typedef struct _stat64 less_stat_t; 224 #define less_fstat _fstat64 225 #define less_stat _stat64 226 #define less_lseek _lseeki64 227 #else 228 typedef off_t less_off_t; 229 typedef struct stat less_stat_t; 230 #define less_fstat fstat 231 #define less_stat stat 232 #define less_lseek lseek 233 #endif 234 typedef less_off_t POSITION; 235 typedef off_t LINENUM; 236 #define MIN_LINENUM_WIDTH 7 /* Default min printing width of a line number */ 237 #define MAX_LINENUM_WIDTH 16 /* Max width of a line number */ 238 #define MAX_STATUSCOL_WIDTH 4 /* Max width of the status column */ 239 #define MAX_UTF_CHAR_LEN 6 /* Max bytes in one UTF-8 char */ 240 #define MAX_PRCHAR_LEN 31 /* Max chars in prchar() result */ 241 242 #define NULL_POSITION ((POSITION)(-1)) 243 244 /* 245 * Flags for open() 246 */ 247 #if MSDOS_COMPILER || OS2 248 #define OPEN_READ (O_RDONLY|O_BINARY) 249 #else 250 #ifdef _OSK 251 #define OPEN_READ (S_IREAD) 252 #else 253 #ifdef O_RDONLY 254 #define OPEN_READ (O_RDONLY) 255 #else 256 #define OPEN_READ (0) 257 #endif 258 #endif 259 #endif 260 261 #if defined(O_WRONLY) && defined(O_APPEND) 262 #define OPEN_APPEND (O_APPEND|O_WRONLY) 263 #else 264 #ifdef _OSK 265 #define OPEN_APPEND (S_IWRITE) 266 #else 267 #define OPEN_APPEND (1) 268 #endif 269 #endif 270 271 /* 272 * Flags for creat() 273 */ 274 #if MSDOS_COMPILER 275 #define CREAT_RW (S_IREAD|S_IWRITE) 276 #else 277 #define CREAT_RW 0644 278 #endif 279 280 /* 281 * Set a file descriptor to binary mode. 282 */ 283 #if MSDOS_COMPILER==MSOFTC 284 #define SET_BINARY(f) _setmode(f, _O_BINARY); 285 #else 286 #if MSDOS_COMPILER || OS2 287 #define SET_BINARY(f) setmode(f, O_BINARY) 288 #else 289 #define SET_BINARY(f) 290 #endif 291 #endif 292 293 /* 294 * Does the shell treat "?" as a metacharacter? 295 */ 296 #if MSDOS_COMPILER || OS2 || _OSK 297 #define SHELL_META_QUEST 0 298 #else 299 #define SHELL_META_QUEST 1 300 #endif 301 302 #define SPACES_IN_FILENAMES 1 303 304 /* 305 * An IFILE represents an input file. 306 */ 307 #define IFILE void* 308 #define NULL_IFILE ((IFILE)NULL) 309 310 /* 311 * The structure used to represent a "screen position". 312 * This consists of a file position, and a screen line number. 313 * The meaning is that the line starting at the given file 314 * position is displayed on the ln-th line of the screen. 315 * (Screen lines before ln are empty.) 316 */ 317 struct scrpos 318 { 319 POSITION pos; 320 int ln; 321 }; 322 323 typedef union parg 324 { 325 constant char *p_string; 326 int p_int; 327 LINENUM p_linenum; 328 char p_char; 329 } PARG; 330 331 #define NULL_PARG ((PARG *)NULL) 332 333 struct textlist 334 { 335 char *string; 336 char *endstring; 337 }; 338 339 struct wchar_range 340 { 341 LWCHAR first, last; 342 }; 343 344 struct wchar_range_table 345 { 346 struct wchar_range *table; 347 unsigned int count; 348 }; 349 350 #if HAVE_POLL 351 typedef short POLL_EVENTS; 352 #endif 353 354 #define EOI (-1) 355 356 #define READ_ERR (-1) 357 #define READ_INTR (-2) 358 #define READ_AGAIN (-3) 359 360 /* 361 * A fraction is represented by a long n; the fraction is n/NUM_FRAC_DENOM. 362 * To avoid overflow problems, 0 <= n < NUM_FRAC_DENUM <= LONG_MAX/100. 363 */ 364 #define NUM_FRAC_DENOM 1000000 365 #define NUM_LOG_FRAC_DENOM 6 366 367 /* How quiet should we be? */ 368 #define NOT_QUIET 0 /* Ring bell at eof and for errors */ 369 #define LITTLE_QUIET 1 /* Ring bell only for errors */ 370 #define VERY_QUIET 2 /* Never ring bell */ 371 372 /* How should we prompt? */ 373 #define PR_SHORT 0 /* Prompt with colon */ 374 #define PR_MEDIUM 1 /* Prompt with message */ 375 #define PR_LONG 2 /* Prompt with longer message */ 376 377 /* How should we handle backspaces? */ 378 #define BS_SPECIAL 0 /* Do special things for underlining and bold */ 379 #define BS_NORMAL 1 /* \b treated as normal char; actually output */ 380 #define BS_CONTROL 2 /* \b treated as control char; prints as ^H */ 381 382 /* How should we search? */ 383 #define SRCH_FORW (1 << 0) /* Search forward from current position */ 384 #define SRCH_BACK (1 << 1) /* Search backward from current position */ 385 #define SRCH_NO_MOVE (1 << 2) /* Highlight, but don't move */ 386 #define SRCH_INCR (1 << 3) /* Incremental search */ 387 #define SRCH_FIND_ALL (1 << 4) /* Find and highlight all matches */ 388 #define SRCH_NO_MATCH (1 << 8) /* Search for non-matching lines */ 389 #define SRCH_PAST_EOF (1 << 9) /* Search past end-of-file, into next file */ 390 #define SRCH_FIRST_FILE (1 << 10) /* Search starting at the first file */ 391 #define SRCH_NO_REGEX (1 << 12) /* Don't use regular expressions */ 392 #define SRCH_FILTER (1 << 13) /* Search is for '&' (filter) command */ 393 #define SRCH_AFTER_TARGET (1 << 14) /* Start search after the target line */ 394 #define SRCH_WRAP (1 << 15) /* Wrap-around search (continue at BOF/EOF) */ 395 #if OSC8_LINK 396 #define SRCH_OSC8 (1 << 16) /* */ 397 #endif 398 #define SRCH_SUBSEARCH(i) (1 << (17+(i))) /* Search for subpattern */ 399 /* {{ Depends on NUM_SEARCH_COLORS==5 }} */ 400 #define SRCH_SUBSEARCH_ALL (SRCH_SUBSEARCH(1)|SRCH_SUBSEARCH(2)|SRCH_SUBSEARCH(3)|SRCH_SUBSEARCH(4)|SRCH_SUBSEARCH(5)) 401 402 #define SRCH_REVERSE(t) (((t) & SRCH_FORW) ? \ 403 (((t) & ~SRCH_FORW) | SRCH_BACK) : \ 404 (((t) & ~SRCH_BACK) | SRCH_FORW)) 405 /* Parsing position in an OSC8 link: "\e]8;PARAMS;URI\e\\" (final "\e\\" may be "\7") */ 406 typedef enum osc8_state { 407 OSC8_NOT, /* This is not an OSC8 link */ 408 OSC8_PREFIX, /* In the "\e]8;" */ 409 OSC8_PARAMS, /* In the parameters */ 410 OSC8_URI, /* In the URI */ 411 OSC8_ST_ESC, /* After the final \e */ 412 OSC8_END, /* At end */ 413 } osc8_state; 414 415 /* */ 416 #define NO_MCA 0 417 #define MCA_DONE 1 418 #define MCA_MORE 2 419 420 #define CC_OK 0 /* Char was accepted & processed */ 421 #define CC_QUIT 1 /* Char was a request to abort current cmd */ 422 #define CC_ERROR 2 /* Char could not be accepted due to error */ 423 #define CC_PASS 3 /* Char was rejected (internal) */ 424 425 #define CF_QUIT_ON_ERASE 0001 /* Abort cmd if its entirely erased */ 426 427 /* Special char bit-flags used to tell put_line() to do something special */ 428 #define AT_NORMAL (0) 429 #define AT_UNDERLINE (1 << 0) 430 #define AT_BOLD (1 << 1) 431 #define AT_BLINK (1 << 2) 432 #define AT_STANDOUT (1 << 3) 433 #define AT_ANSI (1 << 4) /* Content-supplied "ANSI" escape sequence */ 434 #define AT_BINARY (1 << 5) /* LESS*BINFMT representation */ 435 #define AT_HILITE (1 << 6) /* Internal highlights (e.g., for search) */ 436 437 #define AT_COLOR_SHIFT 8 438 #define AT_NUM_COLORS 16 439 #define AT_COLOR ((AT_NUM_COLORS-1) << AT_COLOR_SHIFT) 440 #define AT_COLOR_ATTN (1 << AT_COLOR_SHIFT) 441 #define AT_COLOR_BIN (2 << AT_COLOR_SHIFT) 442 #define AT_COLOR_CTRL (3 << AT_COLOR_SHIFT) 443 #define AT_COLOR_ERROR (4 << AT_COLOR_SHIFT) 444 #define AT_COLOR_LINENUM (5 << AT_COLOR_SHIFT) 445 #define AT_COLOR_MARK (6 << AT_COLOR_SHIFT) 446 #define AT_COLOR_PROMPT (7 << AT_COLOR_SHIFT) 447 #define AT_COLOR_RSCROLL (8 << AT_COLOR_SHIFT) 448 #define AT_COLOR_HEADER (9 << AT_COLOR_SHIFT) 449 #define AT_COLOR_SEARCH (10 << AT_COLOR_SHIFT) 450 #define AT_COLOR_SUBSEARCH(i) ((10+(i)) << AT_COLOR_SHIFT) 451 #define NUM_SEARCH_COLORS (AT_NUM_COLORS-10-1) 452 453 typedef enum { CT_NULL, CT_4BIT, CT_6BIT } COLOR_TYPE; 454 455 typedef enum { 456 CV_BLUE = 1, 457 CV_GREEN = 2, 458 CV_RED = 4, 459 CV_BRIGHT = 8, 460 CV_NOCHANGE = -2, 461 CV_ERROR = -1 462 } COLOR_VALUE; 463 464 typedef enum { 465 CATTR_NULL = 0, 466 CATTR_STANDOUT = (1 << 0), 467 CATTR_BOLD = (1 << 1), 468 CATTR_UNDERLINE = (1 << 2), 469 CATTR_BLINK = (1 << 3), 470 } CHAR_ATTR; 471 472 /* ANSI states */ 473 typedef enum { 474 ANSI_NULL, 475 ANSI_MID, 476 ANSI_ERR, 477 ANSI_END, 478 } ansi_state; 479 480 #if '0' == 240 481 #define IS_EBCDIC_HOST 1 482 #endif 483 484 #if IS_EBCDIC_HOST 485 /* 486 * Long definition for EBCDIC. 487 * Since the argument is usually a constant, this macro normally compiles 488 * into a constant. 489 */ 490 #define CONTROL(c) ( \ 491 (c)=='[' ? '\047' : \ 492 (c)=='a' ? '\001' : \ 493 (c)=='b' ? '\002' : \ 494 (c)=='c' ? '\003' : \ 495 (c)=='d' ? '\067' : \ 496 (c)=='e' ? '\055' : \ 497 (c)=='f' ? '\056' : \ 498 (c)=='g' ? '\057' : \ 499 (c)=='h' ? '\026' : \ 500 (c)=='i' ? '\005' : \ 501 (c)=='j' ? '\025' : \ 502 (c)=='k' ? '\013' : \ 503 (c)=='l' ? '\014' : \ 504 (c)=='m' ? '\015' : \ 505 (c)=='n' ? '\016' : \ 506 (c)=='o' ? '\017' : \ 507 (c)=='p' ? '\020' : \ 508 (c)=='q' ? '\021' : \ 509 (c)=='r' ? '\022' : \ 510 (c)=='s' ? '\023' : \ 511 (c)=='t' ? '\074' : \ 512 (c)=='u' ? '\075' : \ 513 (c)=='v' ? '\062' : \ 514 (c)=='w' ? '\046' : \ 515 (c)=='x' ? '\030' : \ 516 (c)=='y' ? '\031' : \ 517 (c)=='z' ? '\077' : \ 518 (c)=='A' ? '\001' : \ 519 (c)=='B' ? '\002' : \ 520 (c)=='C' ? '\003' : \ 521 (c)=='D' ? '\067' : \ 522 (c)=='E' ? '\055' : \ 523 (c)=='F' ? '\056' : \ 524 (c)=='G' ? '\057' : \ 525 (c)=='H' ? '\026' : \ 526 (c)=='I' ? '\005' : \ 527 (c)=='J' ? '\025' : \ 528 (c)=='K' ? '\013' : \ 529 (c)=='L' ? '\014' : \ 530 (c)=='M' ? '\015' : \ 531 (c)=='N' ? '\016' : \ 532 (c)=='O' ? '\017' : \ 533 (c)=='P' ? '\020' : \ 534 (c)=='Q' ? '\021' : \ 535 (c)=='R' ? '\022' : \ 536 (c)=='S' ? '\023' : \ 537 (c)=='T' ? '\074' : \ 538 (c)=='U' ? '\075' : \ 539 (c)=='V' ? '\062' : \ 540 (c)=='W' ? '\046' : \ 541 (c)=='X' ? '\030' : \ 542 (c)=='Y' ? '\031' : \ 543 (c)=='Z' ? '\077' : \ 544 (c)=='|' ? '\031' : \ 545 (c)=='\\' ? '\034' : \ 546 (c)=='^' ? '\036' : \ 547 (c)&077) 548 #else 549 #define CONTROL(c) ((c)&037) 550 #endif /* IS_EBCDIC_HOST */ 551 552 #define ESC CONTROL('[') 553 #define ESCS "\33" 554 #define CSI ((unsigned char)'\233') 555 556 #if _OSK_MWC32 557 #define LSIGNAL(sig,func) os9_signal(sig,func) 558 #else 559 #define LSIGNAL(sig,func) signal(sig,func) 560 #endif 561 562 #if HAVE_SIGPROCMASK 563 #if HAVE_SIGSET_T 564 #else 565 #undef HAVE_SIGPROCMASK 566 #endif 567 #endif 568 #if HAVE_SIGPROCMASK 569 #if HAVE_SIGEMPTYSET 570 #else 571 #undef sigemptyset 572 #define sigemptyset(mp) *(mp) = 0 573 #endif 574 #endif 575 576 #define S_INTERRUPT 01 577 #define S_STOP 02 578 #define S_WINCH 04 579 #define ABORT_SIGS() (sigs & (S_INTERRUPT|S_STOP)) 580 581 #ifdef EXIT_SUCCESS 582 #define QUIT_OK EXIT_SUCCESS 583 #else 584 #define QUIT_OK 0 585 #endif 586 #ifdef EXIT_FAILURE 587 #define QUIT_ERROR EXIT_FAILURE 588 #define QUIT_INTERRUPT (EXIT_FAILURE+1) 589 #else 590 #define QUIT_ERROR 1 591 #define QUIT_INTERRUPT 2 592 #endif 593 #define QUIT_SAVED_STATUS (-1) 594 595 #define FOLLOW_DESC 0 596 #define FOLLOW_NAME 1 597 598 /* filestate flags */ 599 #define CH_CANSEEK 001 600 #define CH_KEEPOPEN 002 601 #define CH_POPENED 004 602 #define CH_HELPFILE 010 603 #define CH_NODATA 020 /* Special case for zero length files */ 604 #define CH_NOTRUSTSIZE 040 /* For files that claim 0 length size falsely */ 605 606 #define ch_zero() ((POSITION)0) 607 608 #define FAKE_HELPFILE "@/\\less/\\help/\\file/\\@" 609 #define FAKE_EMPTYFILE "@/\\less/\\empty/\\file/\\@" 610 611 /* Flags for cvt_text */ 612 #define CVT_TO_LC 01 /* Convert upper-case to lower-case */ 613 #define CVT_BS 02 /* Do backspace processing */ 614 #define CVT_CRLF 04 /* Remove CR after LF */ 615 #define CVT_ANSI 010 /* Remove ANSI escape sequences */ 616 617 #if HAVE_TIME_T 618 #define time_type time_t 619 #else 620 #define time_type long 621 #endif 622 623 /* X11 mouse reporting definitions */ 624 #define X11MOUSE_BUTTON1 0 /* Left button press */ 625 #define X11MOUSE_BUTTON2 1 /* Middle button press */ 626 #define X11MOUSE_BUTTON3 2 /* Right button press */ 627 #define X11MOUSE_BUTTON_REL 3 /* Button release */ 628 #define X11MOUSE_WHEEL_UP 0x40 /* Wheel scroll up */ 629 #define X11MOUSE_WHEEL_DOWN 0x41 /* Wheel scroll down */ 630 #define X11MOUSE_OFFSET 0x20 /* Added to button & pos bytes to create a char */ 631 632 /* Security features. */ 633 #define SF_EDIT (1<<1) /* Edit file (v) */ 634 #define SF_EXAMINE (1<<2) /* Examine file (:e) */ 635 #define SF_GLOB (1<<3) /* Expand file pattern */ 636 #define SF_HISTORY (1<<4) /* History file */ 637 #define SF_LESSKEY (1<<5) /* Lesskey files */ 638 #define SF_LESSOPEN (1<<6) /* LESSOPEN */ 639 #define SF_LOGFILE (1<<7) /* Log file (s, -o) */ 640 #define SF_PIPE (1<<8) /* Pipe (|) */ 641 #define SF_SHELL (1<<9) /* Shell command (!) */ 642 #define SF_STOP (1<<10) /* Stop signal */ 643 #define SF_TAGS (1<<11) /* Tags */ 644 #define SF_OSC8_OPEN (1<<12) /* OSC8 open */ 645 646 #if LESSTEST 647 #define LESS_DUMP_CHAR CONTROL(']') 648 #endif 649 650 struct mlist; 651 struct loption; 652 struct hilite_tree; 653 struct ansi_state; 654 #include "pattern.h" 655 #include "xbuf.h" 656 #include "funcs.h" 657 658 /* Functions not included in funcs.h */ 659 void postoa(POSITION, char*, int); 660 void linenumtoa(LINENUM, char*, int); 661 void inttoa(int, char*, int); 662 int lstrtoi(char*, char**, int); 663 POSITION lstrtopos(char*, char**, int); 664 unsigned long lstrtoul(char*, char**, int); 665 int lstrtoic(constant char*, constant char**, int); 666 POSITION lstrtoposc(constant char*, constant char**, int); 667 unsigned long lstrtoulc(constant char*, constant char**, int); 668 #if MSDOS_COMPILER==WIN32C 669 int pclose(FILE*); 670 #endif 671