defines.ds revision 267654
1/* 2 * Copyright (C) 1984-2012 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 -l 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_SYS_TYPES_H is 1 if your system has <sys/types.h>. 150 */ 151#define HAVE_SYS_TYPES_H 1 152 153/* 154 * Define if you have the <sgstat.h> header file. 155 */ 156#define HAVE_SGSTAT_H 0 157 158/* 159 * HAVE_PERROR is 1 if your system has the perror() call. 160 * (Actually, if it has sys_errlist, sys_nerr and errno.) 161 */ 162#define HAVE_PERROR 1 163 164/* 165 * HAVE_TIME is 1 if your system has the time() call. 166 */ 167#define HAVE_TIME 1 168 169/* 170 * HAVE_SHELL is 1 if your system supports a SHELL command interpreter. 171 */ 172#define HAVE_SHELL 0 173 174/* 175 * Default shell metacharacters and meta-escape character. 176 */ 177#define DEF_METACHARS "; *?\t\n'\"()<>|&" 178#define DEF_METAESCAPE "" 179 180/* 181 * HAVE_DUP is 1 if your system has the dup() call. 182 */ 183#define HAVE_DUP 1 184 185/* 186 * Sizes of various buffers. 187 */ 188#if 0 /* old sizes for small memory machines 189#define CMDBUF_SIZE 512 /* Buffer for multichar commands */ 190#define UNGOT_SIZE 100 /* Max chars to unget() */ 191#define LINEBUF_SIZE 1024 /* Max size of line in input file */ 192#define OUTBUF_SIZE 1024 /* Output buffer */ 193#define PROMPT_SIZE 200 /* Max size of prompt string */ 194#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ 195#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ 196#define TAGLINE_SIZE 512 /* Max size of line in tags file */ 197#define TABSTOP_MAX 32 /* Max number of custom tab stops */ 198#else /* more reasonable sizes for modern machines */ 199#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ 200#define UNGOT_SIZE 200 /* Max chars to unget() */ 201#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ 202#define OUTBUF_SIZE 1024 /* Output buffer */ 203#define PROMPT_SIZE 2048 /* Max size of prompt string */ 204#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ 205#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ 206#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ 207#define TABSTOP_MAX 128 /* Max number of custom tab stops */ 208#endif 209 210/* Define to `long' if <sys/types.h> doesn't define. */ 211#if MSDOS_COMPILER==BORLANDC 212#define off_t long 213#endif 214 215/* Define if you need to in order for stat and other things to work. */ 216/* #undef _POSIX_SOURCE */ 217 218/* Define as the return type of signal handlers (int or void). */ 219#define RETSIGTYPE void 220 221 222/* 223 * Regular expression library. 224 * Define exactly one of the following to be 1: 225 * HAVE_POSIX_REGCOMP: POSIX regcomp() and regex.h 226 * HAVE_RE_COMP: BSD re_comp() 227 * HAVE_REGCMP: System V regcmp() 228 * HAVE_V8_REGCOMP: Henry Spencer V8 regcomp() and regexp.h 229 * NO_REGEX: pattern matching is supported, but without metacharacters. 230 */ 231/* #undef HAVE_POSIX_REGCOMP */ 232/* #undef HAVE_RE_COMP */ 233/* #undef HAVE_REGCMP */ 234/* #undef HAVE_V8_REGCOMP */ 235#if MSDOS_COMPILER==DJGPPC 236#define HAVE_POSIX_REGCOMP 1 237#else 238#define NO_REGEX 1 239#endif 240 241/* Define HAVE_VOID if your compiler supports the "void" type. */ 242#define HAVE_VOID 1 243 244/* Define HAVE_CONST if your compiler supports the "const" modifier. */ 245#define HAVE_CONST 1 246 247/* Define HAVE_TIME_T if your system supports the "time_t" type. */ 248#define HAVE_TIME_T 1 249 250/* Define HAVE_STRERROR if you have the strerror() function. */ 251#define HAVE_STRERROR 1 252 253/* Define HAVE_FILENO if you have the fileno() macro. */ 254#define HAVE_FILENO 1 255 256/* Define HAVE_ERRNO if you have the errno variable */ 257/* Define MUST_DEFINE_ERRNO if you have errno but it is not defined 258 * in errno.h */ 259#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC 260#define HAVE_ERRNO 1 261#define MUST_DEFINE_ERRNO 0 262#else 263#define HAVE_ERRNO 1 264#define MUST_DEFINE_ERRNO 1 265#endif 266 267/* Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable */ 268#define HAVE_SYS_ERRLIST 1 269 270/* Define HAVE_OSPEED if your termcap library has the ospeed variable */ 271/* Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined 272 * in termcap.h. */ 273#define HAVE_OSPEED 0 274#define MUST_DEFINE_OSPEED 0 275 276/* Define HAVE_LOCALE if you have locale.h and setlocale. */ 277#define HAVE_LOCALE 0 278 279/* Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr */ 280#define HAVE_TERMIOS_FUNCS 0 281 282/* Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower */ 283#define HAVE_UPPER_LOWER 1 284 285/* Define if you have the _setjmp function. */ 286#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC 287#define HAVE__SETJMP 0 288#else 289#define HAVE__SETJMP 1 290#endif 291 292/* Define if you have the memcpy function. */ 293#define HAVE_MEMCPY 1 294 295/* Define if you have the popen function. */ 296#if MSDOS_COMPILER==DJGPPC 297#define HAVE_POPEN 1 298#else 299#define HAVE_POPEN 0 300#endif 301 302/* Define if you have the sigsetmask function. */ 303#define HAVE_SIGSETMASK 0 304 305/* Define if you have the sigprocmask function. */ 306#define HAVE_SIGPROCMASK 0 307 308/* Define if you have the sigset_t type and sigemptyset macro */ 309#define HAVE_SIGSET_T 0 310#define HAVE_SIGEMPTYSET 0 311 312/* Define if you have the stat function. */ 313#define HAVE_STAT 1 314 315/* Define if you have the strchr function. */ 316#define HAVE_STRCHR 1 317 318/* Define if you have the system function. */ 319#define HAVE_SYSTEM 1 320 321/* Define if you have the snprintf function. */ 322#define HAVE_SNPRINTF 0 323 324/* Define if you have the <ctype.h> header file. */ 325#define HAVE_CTYPE_H 1 326 327/* Define if you have the <wctype.h> header file. */ 328#define HAVE_WCTYPE_H 0 329 330/* Define if you have the <errno.h> header file. */ 331#define HAVE_ERRNO_H 1 332 333/* Define if you have the <fcntl.h> header file. */ 334#define HAVE_FCNTL_H 1 335 336/* Define HAVE_FLOAT if your compiler supports the "double" type. */ 337#define HAVE_FLOAT 1 338 339/* Define if you have the <limits.h> header file. */ 340#define HAVE_LIMITS_H 1 341 342/* Define if you have the <stdio.h> header file. */ 343#define HAVE_STDIO_H 1 344 345/* Define if you have the <stdlib> header file. */ 346#define HAVE_STDLIB_H 1 347 348/* Define if you have the <string.h> header file. */ 349#define HAVE_STRING_H 1 350 351/* Define if you have the <sys/ioctl.h> header file. */ 352#define HAVE_SYS_IOCTL_H 0 353 354/* Define if you have the <sys/ptem.h> header file. */ 355#define HAVE_SYS_PTEM_H 0 356 357/* Define if you have the <sys/stream.h> header file. */ 358#define HAVE_SYS_STREAM_H 0 359 360/* Define if you have the <termcap.h> header file. */ 361#define HAVE_TERMCAP_H 0 362 363/* Define if you have the <termio.h> header file. */ 364#define HAVE_TERMIO_H 0 365 366/* Define if you have the <termios.h> header file. */ 367#define HAVE_TERMIOS_H 0 368 369/* Define if you have the <time.h> header file. */ 370#define HAVE_TIME_H 1 371 372/* Define if you have the <unistd.h> header file. */ 373#if MSDOS_COMPILER==DJGPPC 374#define HAVE_UNISTD_H 1 375#else 376#define HAVE_UNISTD_H 0 377#endif 378 379/* Define if you have the <values.h> header file. */ 380#if MSDOS_COMPILER==MSOFTC 381#define HAVE_VALUES_H 0 382#else 383#define HAVE_VALUES_H 1 384#endif 385 386#if MSDOS_COMPILER == MSOFTC && _MSC_VER >= 700 387/* 388 * The names of these things changed in Microsoft C version 7.0. 389 */ 390#define videoconfig _videoconfig 391#define rccoord _rccoord 392#define O_RDONLY _O_RDONLY 393#define O_WRONLY _O_WRONLY 394#define O_APPEND _O_APPEND 395#define O_BINARY _O_BINARY 396#define O_TEXT _O_TEXT 397#define find_t _find_t 398#define stat _stat 399#define S_IFMT _S_IFMT 400#define S_IFDIR _S_IFDIR 401#define S_IFREG _S_IFREG 402#define dup _dup 403#define open _open 404#define lseek _lseek 405#define write _write 406#define creat _creat 407#define fstat _fstat 408#define isatty _isatty 409#define close _close 410#define read _read 411#define ungetch _ungetch 412#define kbhit _kbhit 413#define getch _getch 414#endif 415