defines.ds revision 240121 
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#define	CMDBUF_SIZE	512	/* Buffer for multichar commands */
189#define	UNGOT_SIZE	100	/* Max chars to unget() */
190#define	LINEBUF_SIZE	1024	/* Max size of line in input file */
191#define	OUTBUF_SIZE	1024	/* Output buffer */
192#define	PROMPT_SIZE	200	/* Max size of prompt string */
193#define	TERMBUF_SIZE	2048	/* Termcap buffer for tgetent */
194#define	TERMSBUF_SIZE	1024	/* Buffer to hold termcap strings */
195#define	TAGLINE_SIZE	512	/* Max size of line in tags file */
196#define	TABSTOP_MAX	32	/* Max number of custom tab stops */
197
198/* Define to `long' if <sys/types.h> doesn't define.  */
199#if MSDOS_COMPILER==BORLANDC
200#define	off_t	long 
201#endif
202
203/* Define if you need to in order for stat and other things to work.  */
204/* #undef _POSIX_SOURCE */
205
206/* Define as the return type of signal handlers (int or void).  */
207#define RETSIGTYPE void
208
209
210/*
211 * Regular expression library.
212 * Define exactly one of the following to be 1:
213 * HAVE_POSIX_REGCOMP: POSIX regcomp() and regex.h
214 * HAVE_RE_COMP: BSD re_comp()
215 * HAVE_REGCMP: System V regcmp()
216 * HAVE_V8_REGCOMP: Henry Spencer V8 regcomp() and regexp.h
217 * NO_REGEX: pattern matching is supported, but without metacharacters.
218 */
219/* #undef HAVE_POSIX_REGCOMP */
220/* #undef HAVE_RE_COMP */
221/* #undef HAVE_REGCMP */
222/* #undef HAVE_V8_REGCOMP */
223#if MSDOS_COMPILER==DJGPPC
224#define	HAVE_POSIX_REGCOMP 1
225#else
226#define NO_REGEX 1
227#endif
228
229/* Define HAVE_VOID if your compiler supports the "void" type. */
230#define HAVE_VOID 1
231
232/* Define HAVE_CONST if your compiler supports the "const" modifier. */
233#define HAVE_CONST 1
234
235/* Define HAVE_TIME_T if your system supports the "time_t" type. */
236#define HAVE_TIME_T 1
237
238/* Define HAVE_STRERROR if you have the strerror() function. */
239#define HAVE_STRERROR 1
240
241/* Define HAVE_FILENO if you have the fileno() macro. */
242#define HAVE_FILENO 1
243
244/* Define HAVE_ERRNO if you have the errno variable */
245/* Define MUST_DEFINE_ERRNO if you have errno but it is not defined
246 * in errno.h */
247#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC
248#define HAVE_ERRNO 1
249#define MUST_DEFINE_ERRNO 0
250#else
251#define HAVE_ERRNO 1
252#define MUST_DEFINE_ERRNO 1
253#endif
254
255/* Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable */
256#define HAVE_SYS_ERRLIST 1
257
258/* Define HAVE_OSPEED if your termcap library has the ospeed variable */
259/* Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined
260 * in termcap.h. */
261#define HAVE_OSPEED 0
262#define MUST_DEFINE_OSPEED 0
263
264/* Define HAVE_LOCALE if you have locale.h and setlocale. */
265#define HAVE_LOCALE 0
266
267/* Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr */
268#define HAVE_TERMIOS_FUNCS 0
269
270/* Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower */
271#define HAVE_UPPER_LOWER 1
272
273/* Define if you have the _setjmp function.  */
274#if MSDOS_COMPILER==MSOFTC || MSDOS_COMPILER==DJGPPC
275#define HAVE__SETJMP	0
276#else
277#define HAVE__SETJMP	1
278#endif
279
280/* Define if you have the memcpy function.  */
281#define HAVE_MEMCPY 1
282
283/* Define if you have the popen function.  */
284#if MSDOS_COMPILER==DJGPPC
285#define HAVE_POPEN	1
286#else
287#define HAVE_POPEN	0
288#endif
289
290/* Define if you have the sigsetmask function.  */
291#define HAVE_SIGSETMASK	0
292
293/* Define if you have the sigprocmask function.  */
294#define HAVE_SIGPROCMASK	0
295
296/* Define if you have the sigset_t type and sigemptyset macro */
297#define HAVE_SIGSET_T	0
298#define HAVE_SIGEMPTYSET	0
299
300/* Define if you have the stat function.  */
301#define HAVE_STAT 1
302
303/* Define if you have the strchr function.  */
304#define HAVE_STRCHR 1
305
306/* Define if you have the system function.  */
307#define HAVE_SYSTEM	1
308
309/* Define if you have the snprintf function.  */
310#define HAVE_SNPRINTF	0
311
312/* Define if you have the <ctype.h> header file.  */
313#define HAVE_CTYPE_H 1
314
315/* Define if you have the <wctype.h> header file.  */
316#define HAVE_WCTYPE_H 0
317
318/* Define if you have the <errno.h> header file.  */
319#define HAVE_ERRNO_H 1
320
321/* Define if you have the <fcntl.h> header file.  */
322#define HAVE_FCNTL_H 1
323
324/* Define HAVE_FLOAT if your compiler supports the "double" type. */
325#define HAVE_FLOAT 1
326
327/* Define if you have the <limits.h> header file.  */
328#define HAVE_LIMITS_H 1
329
330/* Define if you have the <stdio.h> header file.  */
331#define HAVE_STDIO_H 1
332
333/* Define if you have the <stdlib> header file. */
334#define HAVE_STDLIB_H 1
335
336/* Define if you have the <string.h> header file.  */
337#define HAVE_STRING_H 1
338
339/* Define if you have the <sys/ioctl.h> header file.  */
340#define HAVE_SYS_IOCTL_H 0
341
342/* Define if you have the <sys/ptem.h> header file.  */
343#define HAVE_SYS_PTEM_H	0
344
345/* Define if you have the <sys/stream.h> header file.  */
346#define HAVE_SYS_STREAM_H	0
347
348/* Define if you have the <termcap.h> header file.  */
349#define HAVE_TERMCAP_H	0
350
351/* Define if you have the <termio.h> header file.  */
352#define HAVE_TERMIO_H	0
353
354/* Define if you have the <termios.h> header file.  */
355#define HAVE_TERMIOS_H 0
356
357/* Define if you have the <time.h> header file.  */
358#define HAVE_TIME_H 1
359
360/* Define if you have the <unistd.h> header file.  */
361#if MSDOS_COMPILER==DJGPPC
362#define HAVE_UNISTD_H 1
363#else
364#define HAVE_UNISTD_H 0
365#endif
366
367/* Define if you have the <values.h> header file.  */
368#if MSDOS_COMPILER==MSOFTC
369#define HAVE_VALUES_H 0
370#else
371#define HAVE_VALUES_H 1
372#endif
373
374#if MSDOS_COMPILER == MSOFTC && _MSC_VER >= 700
375/*
376 * The names of these things changed in Microsoft C version 7.0.
377 */
378#define videoconfig	_videoconfig
379#define rccoord		_rccoord
380#define O_RDONLY	_O_RDONLY
381#define O_WRONLY	_O_WRONLY
382#define O_APPEND	_O_APPEND
383#define O_BINARY	_O_BINARY
384#define O_TEXT		_O_TEXT
385#define find_t		_find_t
386#define stat		_stat
387#define S_IFMT		_S_IFMT
388#define S_IFDIR		_S_IFDIR
389#define S_IFREG		_S_IFREG
390#define dup		_dup
391#define open		_open
392#define lseek		_lseek
393#define write		_write
394#define creat		_creat
395#define fstat		_fstat
396#define isatty		_isatty
397#define close		_close
398#define read		_read
399#define ungetch		_ungetch
400#define kbhit		_kbhit
401#define getch		_getch
402#endif
403