1/* 2 * Copyright (C) 1984-2019 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 11/* DOS definition file for less. */ 12/* 13 * This file has 2 sections: 14 * User preferences. 15 * Settings always true for MS-DOS systems. 16 */ 17 18/* User preferences. */ 19 20/* 21 * SECURE is 1 if you wish to disable a bunch of features in order to 22 * be safe to run by unprivileged users. 23 */ 24#define SECURE 0 25 26/* 27 * SHELL_ESCAPE is 1 if you wish to allow shell escapes. 28 * (This is possible only if your system supplies the system() function.) 29 */ 30#define SHELL_ESCAPE (!SECURE) 31 32/* 33 * EXAMINE is 1 if you wish to allow examining files by name from within less. 34 */ 35#define EXAMINE (!SECURE) 36 37/* 38 * TAB_COMPLETE_FILENAME is 1 if you wish to allow the TAB key 39 * to complete filenames at prompts. 40 */ 41#define TAB_COMPLETE_FILENAME (!SECURE) 42 43/* 44 * CMD_HISTORY is 1 if you wish to allow keys to cycle through 45 * previous commands at prompts. 46 */ 47#define CMD_HISTORY 1 48 49/* 50 * HILITE_SEARCH is 1 if you wish to have search targets to be 51 * displayed in standout mode. 52 */ 53#define HILITE_SEARCH 1 54 55/* 56 * EDITOR is 1 if you wish to allow editor invocation (the "v" command). 57 * (This is possible only if your system supplies the system() function.) 58 * EDIT_PGM is the name of the (default) editor to be invoked. 59 */ 60#define EDITOR (!SECURE) 61#define EDIT_PGM "vi" 62 63/* 64 * TAGS is 1 if you wish to support tag files. 65 */ 66#define TAGS (!SECURE) 67 68/* 69 * USERFILE is 1 if you wish to allow a .less file to specify 70 * user-defined key bindings. 71 */ 72#define USERFILE (!SECURE) 73 74/* 75 * GLOB is 1 if you wish to have shell metacharacters expanded in filenames. 76 * This will generally work if your system provides the "popen" function 77 * and the "echo" shell command. 78 */ 79#ifdef __DJGPP__ 80#define GLOB (!SECURE) 81#else 82#define GLOB 0 83#endif 84 85/* 86 * PIPEC is 1 if you wish to have the "|" command 87 * which allows the user to pipe data into a shell command. 88 */ 89#ifdef __DJGPP__ 90#define PIPEC (!SECURE) 91#else 92#define PIPEC 0 93#endif 94 95/* 96 * LOGFILE is 1 if you wish to allow the -o option (to create log files). 97 */ 98#define LOGFILE (!SECURE) 99 100/* 101 * GNU_OPTIONS is 1 if you wish to support the GNU-style command 102 * line options --help and --version. 103 */ 104#define GNU_OPTIONS 1 105 106/* 107 * ONLY_RETURN is 1 if you want RETURN to be the only input which 108 * will continue past an error message. 109 * Otherwise, any key will continue past an error message. 110 */ 111#define ONLY_RETURN 0 112 113/* 114 * LESSKEYFILE is the filename of the default lesskey output file 115 * (in the HOME directory). 116 * LESSKEYFILE_SYS is the filename of the system-wide lesskey output file. 117 * DEF_LESSKEYINFILE is the filename of the default lesskey input 118 * (in the HOME directory). 119 * LESSHISTFILE is the filename of the history file 120 * (in the HOME directory). 121 */ 122#define LESSKEYFILE "_less" 123#define LESSKEYFILE_SYS "c:\\_sysless" 124#define DEF_LESSKEYINFILE "_lesskey" 125#define LESSHISTFILE "_lesshst" 126 127 128/* Settings always true for MS-DOS systems. */ 129 130/* 131 * Define MSDOS_COMPILER if compiling for MS-DOS. 132 */ 133#ifdef __DJGPP__ 134#define MSDOS_COMPILER DJGPPC 135#else 136#ifdef __BORLANDC__ 137#define MSDOS_COMPILER BORLANDC 138#else 139#define MSDOS_COMPILER MSOFTC 140#endif 141#endif 142 143/* 144 * Pathname separator character. 145 */ 146#define PATHNAME_SEP "\\" 147 148/* 149 * HAVE_ANSI_PROTOS is 1 if your compiler supports ANSI function prototypes. 150 */ 151#define HAVE_ANSI_PROTOS 1 152 153/* 154 * HAVE_SYS_TYPES_H is 1 if your system has <sys/types.h>. 155 */ 156#define HAVE_SYS_TYPES_H 1 157 158/* 159 * Define if you have the <sgstat.h> header file. 160 */ 161#define HAVE_SGSTAT_H 0 162 163/* 164 * HAVE_PERROR is 1 if your system has the perror() call. 165 * (Actually, if it has sys_errlist, sys_nerr and errno.) 166 */ 167#define HAVE_PERROR 1 168 169/* 170 * HAVE_TIME is 1 if your system has the time() call. 171 */ 172#define HAVE_TIME 1 173 174/* 175 * HAVE_SHELL is 1 if your system supports a SHELL command interpreter. 176 */ 177#define HAVE_SHELL 0 178 179/* 180 * Default shell metacharacters and meta-escape character. 181 */ 182#define DEF_METACHARS "; *?\t\n'\"()<>|&" 183#define DEF_METAESCAPE "" 184 185/* 186 * HAVE_DUP is 1 if your system has the dup() call. 187 */ 188#define HAVE_DUP 1 189 190/* 191 * Sizes of various buffers. 192 */ 193#if 0 /* old sizes for small memory machines 194#define CMDBUF_SIZE 512 /* Buffer for multichar commands */ 195#define UNGOT_SIZE 100 /* Max chars to unget() */ 196#define LINEBUF_SIZE 1024 /* Max size of line in input file */ 197#define OUTBUF_SIZE 1024 /* Output buffer */ 198#define PROMPT_SIZE 200 /* Max size of prompt string */ 199#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ 200#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ 201#define TAGLINE_SIZE 512 /* Max size of line in tags file */ 202#define TABSTOP_MAX 32 /* Max number of custom tab stops */ 203#else /* more reasonable sizes for modern machines */ 204#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ 205#define UNGOT_SIZE 200 /* Max chars to unget() */ 206#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ 207#define OUTBUF_SIZE 1024 /* Output buffer */ 208#define PROMPT_SIZE 2048 /* Max size of prompt string */ 209#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ 210#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ 211#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ 212#define TABSTOP_MAX 128 /* Max number of custom tab stops */ 213#endif 214 215/* Define to `long' if <sys/types.h> doesn't define. */ 216#if MSDOS_COMPILER==BORLANDC 217#define off_t long 218#endif 219 220/* Define if you need to in order for stat and other things to work. */ 221/* #undef _POSIX_SOURCE */ 222 223/* Define as the return type of signal handlers (int or void). */ 224#define RETSIGTYPE void 225 226 227/* 228 * Regular expression library. 229 * Define exactly one of the following to be 1: 230 * HAVE_POSIX_REGCOMP: POSIX regcomp() and regex.h 231 * HAVE_RE_COMP: BSD re_comp() 232 * HAVE_REGCMP: System V regcmp() 233 * HAVE_V8_REGCOMP: Henry Spencer V8 regcomp() and regexp.h 234 * NO_REGEX: pattern matching is supported, but without metacharacters. 235 */ 236/* #undef HAVE_POSIX_REGCOMP */ 237/* #undef HAVE_RE_COMP */ 238/* #undef HAVE_REGCMP */ 239/* #undef HAVE_V8_REGCOMP */ 240#if MSDOS_COMPILER==DJGPPC 241#define HAVE_POSIX_REGCOMP 1 242#else 243#define NO_REGEX 1 244#endif 245 246/* Define HAVE_VOID if your compiler supports the "void" type. */ 247#define HAVE_VOID 1 248 249/* Define HAVE_CONST if your compiler supports the "const" modifier. */ 250#define HAVE_CONST 1 251 252/* Define HAVE_TIME_T if your system supports the "time_t" type. */ 253#define HAVE_TIME_T 1 254 255/* Define HAVE_STRERROR if you have the strerror() function. */ 256#define HAVE_STRERROR 1 257 258/* Define HAVE_FILENO if you have the fileno() macro. */ 259#define HAVE_FILENO 1 260 261/* Define HAVE_ERRNO if you have the errno variable */ 262/* Define MUST_DEFINE_ERRNO if you have errno but it is not defined 263 * in errno.h */ 264#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC 265#define HAVE_ERRNO 1 266#define MUST_DEFINE_ERRNO 0 267#else 268#define HAVE_ERRNO 1 269#define MUST_DEFINE_ERRNO 1 270#endif 271 272/* Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable */ 273#define HAVE_SYS_ERRLIST 1 274 275/* Define HAVE_OSPEED if your termcap library has the ospeed variable */ 276/* Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined 277 * in termcap.h. */ 278#define HAVE_OSPEED 0 279#define MUST_DEFINE_OSPEED 0 280 281/* Define HAVE_LOCALE if you have locale.h and setlocale. */ 282#define HAVE_LOCALE 0 283 284/* Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr */ 285#define HAVE_TERMIOS_FUNCS 0 286 287/* Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower */ 288#define HAVE_UPPER_LOWER 1 289 290/* Define if you have the _setjmp function. */ 291#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC 292#define HAVE__SETJMP 0 293#else 294#define HAVE__SETJMP 1 295#endif 296 297/* Define if you have the memcpy function. */ 298#define HAVE_MEMCPY 1 299 300/* Define if you have the popen function. */ 301#if MSDOS_COMPILER==DJGPPC 302#define HAVE_POPEN 1 303#else 304#define HAVE_POPEN 0 305#endif 306 307/* Define if you have the sigsetmask function. */ 308#define HAVE_SIGSETMASK 0 309 310/* Define if you have the sigprocmask function. */ 311#define HAVE_SIGPROCMASK 0 312 313/* Define if you have the sigset_t type and sigemptyset macro */ 314#define HAVE_SIGSET_T 0 315#define HAVE_SIGEMPTYSET 0 316 317/* Define if you have the stat function. */ 318#define HAVE_STAT 1 319 320/* Define if you have the strchr function. */ 321#define HAVE_STRCHR 1 322 323/* Define if you have the system function. */ 324#define HAVE_SYSTEM 1 325 326/* Define if you have the snprintf function. */ 327#define HAVE_SNPRINTF 0 328 329/* Define if you have the <ctype.h> header file. */ 330#define HAVE_CTYPE_H 1 331 332/* Define if you have the <wctype.h> header file. */ 333#define HAVE_WCTYPE_H 0 334 335/* Define if you have the <errno.h> header file. */ 336#define HAVE_ERRNO_H 1 337 338/* Define if you have the <fcntl.h> header file. */ 339#define HAVE_FCNTL_H 1 340 341/* Define HAVE_FLOAT if your compiler supports the "double" type. */ 342#define HAVE_FLOAT 1 343 344/* Define if you have the <limits.h> header file. */ 345#define HAVE_LIMITS_H 1 346 347/* Define if you have the <stdio.h> header file. */ 348#define HAVE_STDIO_H 1 349 350/* Define if you have the <stdlib> header file. */ 351#define HAVE_STDLIB_H 1 352 353/* Define if you have the <string.h> header file. */ 354#define HAVE_STRING_H 1 355 356/* Define if you have the <sys/ioctl.h> header file. */ 357#define HAVE_SYS_IOCTL_H 0 358 359/* Define if you have the <sys/ptem.h> header file. */ 360#define HAVE_SYS_PTEM_H 0 361 362/* Define if you have the <sys/stream.h> header file. */ 363#define HAVE_SYS_STREAM_H 0 364 365/* Define if you have the <termcap.h> header file. */ 366#define HAVE_TERMCAP_H 0 367 368/* Define if you have the <termio.h> header file. */ 369#define HAVE_TERMIO_H 0 370 371/* Define if you have the <termios.h> header file. */ 372#define HAVE_TERMIOS_H 0 373 374/* Define if you have the <time.h> header file. */ 375#define HAVE_TIME_H 1 376 377/* Define if you have the <unistd.h> header file. */ 378#if MSDOS_COMPILER==DJGPPC 379#define HAVE_UNISTD_H 1 380#else 381#define HAVE_UNISTD_H 0 382#endif 383 384/* Define if you have the <values.h> header file. */ 385#if MSDOS_COMPILER==MSOFTC 386#define HAVE_VALUES_H 0 387#else 388#define HAVE_VALUES_H 1 389#endif 390 391#if MSDOS_COMPILER == MSOFTC && _MSC_VER >= 700 392/* 393 * The names of these things changed in Microsoft C version 7.0. 394 */ 395#define videoconfig _videoconfig 396#define rccoord _rccoord 397#define O_RDONLY _O_RDONLY 398#define O_WRONLY _O_WRONLY 399#define O_APPEND _O_APPEND 400#define O_BINARY _O_BINARY 401#define O_TEXT _O_TEXT 402#define find_t _find_t 403#define stat _stat 404#define S_IFMT _S_IFMT 405#define S_IFDIR _S_IFDIR 406#define S_IFREG _S_IFREG 407#define dup _dup 408#define open _open 409#define lseek _lseek 410#define write _write 411#define creat _creat 412#define fstat _fstat 413#define isatty _isatty 414#define close _close 415#define read _read 416#define ungetch _ungetch 417#define kbhit _kbhit 418#define getch _getch 419#endif 420