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