2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1991, 1993, 1994, 1995, 1996
5 * Keith Bostic. All rights reserved.
7 * See the LICENSE file for redistribution information.
13 static const char sccsid
[] = "@(#)options.c 10.51 (Berkeley) 10/14/96";
16 #include <sys/types.h>
17 #include <sys/queue.h>
21 #include <bitstring.h>
32 #include "pathnames.h"
34 static int opts_abbcmp
__P((const void *, const void *));
35 static int opts_cmp
__P((const void *, const void *));
36 static int opts_print
__P((SCR
*, OPTLIST
const *));
39 * O'Reilly noted options and abbreviations are from "Learning the VI Editor",
40 * Fifth Edition, May 1992. There's no way of knowing what systems they are
43 * HPUX noted options and abbreviations are from "The Ultimate Guide to the
44 * VI and EX Text Editors", 1990.
46 OPTLIST
const optlist
[] = {
47 /* O_ALTWERASE 4.4BSD */
48 {"altwerase", f_altwerase
, OPT_0BOOL
, 0},
49 /* O_AUTOINDENT 4BSD */
50 {"autoindent", NULL
, OPT_0BOOL
, 0},
51 /* O_AUTOPRINT 4BSD */
52 {"autoprint", NULL
, OPT_1BOOL
, 0},
53 /* O_AUTOWRITE 4BSD */
54 {"autowrite", NULL
, OPT_0BOOL
, 0},
56 {"backup", NULL
, OPT_STR
, 0},
58 {"beautify", NULL
, OPT_0BOOL
, 0},
60 {"cdpath", NULL
, OPT_STR
, 0},
62 {"cedit", NULL
, OPT_STR
, 0},
63 /* O_COLUMNS 4.4BSD */
64 {"columns", f_columns
, OPT_NUM
, OPT_NOSAVE
},
65 /* O_COMMENT 4.4BSD */
66 {"comment", NULL
, OPT_0BOOL
, 0},
67 /* O_DIRECTORY 4BSD */
68 {"directory", NULL
, OPT_STR
, 0},
69 /* O_EDCOMPATIBLE 4BSD */
70 {"edcompatible",NULL
, OPT_0BOOL
, 0},
71 /* O_ESCAPETIME 4.4BSD */
72 {"escapetime", NULL
, OPT_NUM
, 0},
73 /* O_ERRORBELLS 4BSD */
74 {"errorbells", NULL
, OPT_0BOOL
, 0},
75 /* O_EXRC System V (undocumented) */
76 {"exrc", NULL
, OPT_0BOOL
, 0},
77 /* O_EXTENDED 4.4BSD */
78 {"extended", f_recompile
, OPT_0BOOL
, 0},
80 {"filec", NULL
, OPT_STR
, 0},
82 {"flash", NULL
, OPT_1BOOL
, 0},
84 /* O_GTAGSMODE FreeBSD2.2 */
85 {"gtagsmode", NULL
, OPT_0BOOL
, 0},
88 {"hardtabs", NULL
, OPT_NUM
, 0},
89 /* O_ICLOWER 4.4BSD */
90 {"iclower", f_recompile
, OPT_0BOOL
, 0},
91 /* O_IGNORECASE 4BSD */
92 {"ignorecase", f_recompile
, OPT_0BOOL
, 0},
93 /* O_KEYTIME 4.4BSD */
94 {"keytime", NULL
, OPT_NUM
, 0},
95 /* O_LEFTRIGHT 4.4BSD */
96 {"leftright", f_reformat
, OPT_0BOOL
, 0},
98 {"lines", f_lines
, OPT_NUM
, OPT_NOSAVE
},
101 * When the lisp option is implemented, delete the OPT_NOSAVE flag,
102 * so that :mkexrc dumps it.
104 {"lisp", f_lisp
, OPT_0BOOL
, OPT_NOSAVE
},
106 {"list", f_reformat
, OPT_0BOOL
, 0},
107 /* O_LOCKFILES 4.4BSD
109 * Locking isn't reliable enough over NFS to require it, in addition,
110 * it's a serious startup performance problem over some remote links.
112 {"lock", NULL
, OPT_1BOOL
, 0},
114 {"magic", NULL
, OPT_1BOOL
, 0},
115 /* O_MATCHTIME 4.4BSD */
116 {"matchtime", NULL
, OPT_NUM
, 0},
118 {"mesg", NULL
, OPT_1BOOL
, 0},
121 * This has been documented in historical systems as both "modeline"
122 * and as "modelines". Regardless of the name, this option represents
123 * a security problem of mammoth proportions, not to mention a stunning
124 * example of what your intro CS professor referred to as the perils of
125 * mixing code and data. Don't add it, or I will kill you.
127 {"modeline", NULL
, OPT_0BOOL
, OPT_NOSET
},
128 /* O_MSGCAT 4.4BSD */
129 {"msgcat", f_msgcat
, OPT_STR
, 0},
130 /* O_NOPRINT 4.4BSD */
131 {"noprint", f_print
, OPT_STR
, 0},
133 {"number", f_reformat
, OPT_0BOOL
, 0},
135 {"octal", f_print
, OPT_0BOOL
, 0},
137 {"open", NULL
, OPT_1BOOL
, 0},
138 /* O_OPTIMIZE 4BSD */
139 {"optimize", NULL
, OPT_1BOOL
, 0},
140 /* O_PARAGRAPHS 4BSD */
141 {"paragraphs", f_paragraph
, OPT_STR
, 0},
143 {"path", NULL
, OPT_STR
, 0},
145 {"print", f_print
, OPT_STR
, 0},
147 {"prompt", NULL
, OPT_1BOOL
, 0},
148 /* O_READONLY 4BSD (undocumented) */
149 {"readonly", f_readonly
, OPT_0BOOL
, OPT_ALWAYS
},
150 /* O_RECDIR 4.4BSD */
151 {"recdir", NULL
, OPT_STR
, 0},
153 {"redraw", NULL
, OPT_0BOOL
, 0},
155 {"remap", NULL
, OPT_1BOOL
, 0},
157 {"report", NULL
, OPT_NUM
, 0},
159 {"ruler", NULL
, OPT_0BOOL
, 0},
161 {"scroll", NULL
, OPT_NUM
, 0},
162 /* O_SEARCHINCR 4.4BSD */
163 {"searchincr", NULL
, OPT_0BOOL
, 0},
164 /* O_SECTIONS 4BSD */
165 {"sections", f_section
, OPT_STR
, 0},
166 /* O_SECURE 4.4BSD */
167 {"secure", NULL
, OPT_0BOOL
, OPT_NOUNSET
},
169 {"shell", NULL
, OPT_STR
, 0},
170 /* O_SHELLMETA 4.4BSD */
171 {"shellmeta", NULL
, OPT_STR
, 0},
172 /* O_SHIFTWIDTH 4BSD */
173 {"shiftwidth", NULL
, OPT_NUM
, OPT_NOZERO
},
174 /* O_SHOWMATCH 4BSD */
175 {"showmatch", NULL
, OPT_0BOOL
, 0},
176 /* O_SHOWMODE 4.4BSD */
177 {"showmode", NULL
, OPT_0BOOL
, 0},
178 /* O_SIDESCROLL 4.4BSD */
179 {"sidescroll", NULL
, OPT_NUM
, OPT_NOZERO
},
180 /* O_SLOWOPEN 4BSD */
181 {"slowopen", NULL
, OPT_0BOOL
, 0},
182 /* O_SOURCEANY 4BSD (undocumented)
184 * Historic vi, on startup, source'd $HOME/.exrc and ./.exrc, if they
185 * were owned by the user. The sourceany option was an undocumented
186 * feature of historic vi which permitted the startup source'ing of
187 * .exrc files the user didn't own. This is an obvious security problem,
188 * and we ignore the option.
190 {"sourceany", NULL
, OPT_0BOOL
, OPT_NOSET
},
192 {"tabstop", f_reformat
, OPT_NUM
, OPT_NOZERO
},
193 /* O_TAGLENGTH 4BSD */
194 {"taglength", NULL
, OPT_NUM
, 0},
196 {"tags", NULL
, OPT_STR
, 0},
199 * By default, the historic vi always displayed information about two
200 * options, redraw and term. Term seems sufficient.
202 {"term", NULL
, OPT_STR
, OPT_ADISP
|OPT_NOSAVE
},
204 {"terse", NULL
, OPT_0BOOL
, 0},
205 /* O_TILDEOP 4.4BSD */
206 {"tildeop", NULL
, OPT_0BOOL
, 0},
207 /* O_TIMEOUT 4BSD (undocumented) */
208 {"timeout", NULL
, OPT_1BOOL
, 0},
209 /* O_TTYWERASE 4.4BSD */
210 {"ttywerase", f_ttywerase
, OPT_0BOOL
, 0},
211 /* O_VERBOSE 4.4BSD */
212 {"verbose", NULL
, OPT_0BOOL
, 0},
214 {"w1200", f_w1200
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
216 {"w300", f_w300
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
218 {"w9600", f_w9600
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
220 {"warn", NULL
, OPT_1BOOL
, 0},
222 {"window", f_window
, OPT_NUM
, 0},
223 /* O_WINDOWNAME 4BSD */
224 {"windowname", NULL
, OPT_0BOOL
, 0},
225 /* O_WRAPLEN 4.4BSD */
226 {"wraplen", NULL
, OPT_NUM
, 0},
227 /* O_WRAPMARGIN 4BSD */
228 {"wrapmargin", NULL
, OPT_NUM
, 0},
229 /* O_WRAPSCAN 4BSD */
230 {"wrapscan", NULL
, OPT_1BOOL
, 0},
231 /* O_WRITEANY 4BSD */
232 {"writeany", NULL
, OPT_0BOOL
, 0},
236 typedef struct abbrev
{
241 static OABBREV
const abbrev
[] = {
242 {"ai", O_AUTOINDENT
}, /* 4BSD */
243 {"ap", O_AUTOPRINT
}, /* 4BSD */
244 {"aw", O_AUTOWRITE
}, /* 4BSD */
245 {"bf", O_BEAUTIFY
}, /* 4BSD */
246 {"co", O_COLUMNS
}, /* 4.4BSD */
247 {"dir", O_DIRECTORY
}, /* 4BSD */
248 {"eb", O_ERRORBELLS
}, /* 4BSD */
249 {"ed", O_EDCOMPATIBLE
}, /* 4BSD */
250 {"ex", O_EXRC
}, /* System V (undocumented) */
252 {"gt", O_GTAGSMODE
}, /* FreeBSD2.2 */
254 {"ht", O_HARDTABS
}, /* 4BSD */
255 {"ic", O_IGNORECASE
}, /* 4BSD */
256 {"li", O_LINES
}, /* 4.4BSD */
257 {"modelines", O_MODELINE
}, /* HPUX */
258 {"nu", O_NUMBER
}, /* 4BSD */
259 {"opt", O_OPTIMIZE
}, /* 4BSD */
260 {"para", O_PARAGRAPHS
}, /* 4BSD */
261 {"re", O_REDRAW
}, /* O'Reilly */
262 {"ro", O_READONLY
}, /* 4BSD (undocumented) */
263 {"scr", O_SCROLL
}, /* 4BSD (undocumented) */
264 {"sect", O_SECTIONS
}, /* O'Reilly */
265 {"sh", O_SHELL
}, /* 4BSD */
266 {"slow", O_SLOWOPEN
}, /* 4BSD */
267 {"sm", O_SHOWMATCH
}, /* 4BSD */
268 {"smd", O_SHOWMODE
}, /* 4BSD */
269 {"sw", O_SHIFTWIDTH
}, /* 4BSD */
270 {"tag", O_TAGS
}, /* 4BSD (undocumented) */
271 {"tl", O_TAGLENGTH
}, /* 4BSD */
272 {"to", O_TIMEOUT
}, /* 4BSD (undocumented) */
273 {"ts", O_TABSTOP
}, /* 4BSD */
274 {"tty", O_TERM
}, /* 4BSD (undocumented) */
275 {"ttytype", O_TERM
}, /* 4BSD (undocumented) */
276 {"w", O_WINDOW
}, /* O'Reilly */
277 {"wa", O_WRITEANY
}, /* 4BSD */
278 {"wi", O_WINDOW
}, /* 4BSD (undocumented) */
279 {"wl", O_WRAPLEN
}, /* 4.4BSD */
280 {"wm", O_WRAPMARGIN
}, /* 4BSD */
281 {"ws", O_WRAPSCAN
}, /* 4BSD */
287 * Initialize some of the options.
289 * PUBLIC: int opts_init __P((SCR *, int *));
308 /* Set numeric and string default values. */
309 #define OI(indx, str) { \
310 if (str != b1) /* GCC puts strings in text-space. */ \
311 (void)strcpy(b1, str); \
312 a.len = strlen(b1); \
313 if (opts_set(sp, argv, NULL)) { \
319 * Indirect global options to global space. Specifically, set up
320 * terminal, lines, columns first, they're used by other options.
321 * Note, don't set the flags until we've set up the indirection.
323 if (o_set(sp
, O_TERM
, 0, NULL
, GO_TERM
))
325 F_SET(&sp
->opts
[O_TERM
], OPT_GLOBAL
);
326 if (o_set(sp
, O_LINES
, 0, NULL
, GO_LINES
))
328 F_SET(&sp
->opts
[O_LINES
], OPT_GLOBAL
);
329 if (o_set(sp
, O_COLUMNS
, 0, NULL
, GO_COLUMNS
))
331 F_SET(&sp
->opts
[O_COLUMNS
], OPT_GLOBAL
);
332 if (o_set(sp
, O_SECURE
, 0, NULL
, GO_SECURE
))
334 F_SET(&sp
->opts
[O_SECURE
], OPT_GLOBAL
);
336 /* Initialize string values. */
337 (void)snprintf(b1
, sizeof(b1
),
338 "cdpath=%s", (s
= getenv("CDPATH")) == NULL
? ":" : s
);
343 * Vi historically stored temporary files in /var/tmp. We store them
344 * in /tmp by default, hoping it's a memory based file system. There
345 * are two ways to change this -- the user can set either the directory
346 * option or the TMPDIR environmental variable.
348 (void)snprintf(b1
, sizeof(b1
),
349 "directory=%s", (s
= getenv("TMPDIR")) == NULL
? _PATH_TMP
: s
);
351 OI(O_ESCAPETIME
, "escapetime=6");
352 OI(O_KEYTIME
, "keytime=6");
353 OI(O_MATCHTIME
, "matchtime=7");
354 (void)snprintf(b1
, sizeof(b1
), "msgcat=%s", _PATH_MSGCAT
);
356 OI(O_REPORT
, "report=5");
357 OI(O_PARAGRAPHS
, "paragraphs=IPLPPPQPP LIpplpipbp");
358 (void)snprintf(b1
, sizeof(b1
), "path=%s", "");
360 (void)snprintf(b1
, sizeof(b1
), "recdir=%s", _PATH_PRESERVE
);
362 OI(O_SECTIONS
, "sections=NHSHH HUnhsh");
363 (void)snprintf(b1
, sizeof(b1
),
364 "shell=%s", (s
= getenv("SHELL")) == NULL
? _PATH_BSHELL
: s
);
366 OI(O_SHELLMETA
, "shellmeta=~{[*?$`'\"\\");
367 OI(O_SHIFTWIDTH
, "shiftwidth=8");
368 OI(O_SIDESCROLL
, "sidescroll=16");
369 OI(O_TABSTOP
, "tabstop=8");
370 (void)snprintf(b1
, sizeof(b1
), "tags=%s", _PATH_TAGS
);
375 * Initialize O_SCROLL here, after term; initializing term should
376 * have created a LINES/COLUMNS value.
378 if ((v
= (O_VAL(sp
, O_LINES
) - 1) / 2) == 0)
380 (void)snprintf(b1
, sizeof(b1
), "scroll=%ld", v
);
384 * The default window option values are:
385 * 8 if baud rate <= 600
386 * 16 if baud rate <= 1200
387 * LINES - 1 if baud rate > 1200
389 * Note, the windows option code will correct any too-large value
390 * or when the O_LINES value is 1.
392 if (sp
->gp
->scr_baud(sp
, &v
))
399 v
= O_VAL(sp
, O_LINES
) - 1;
400 (void)snprintf(b1
, sizeof(b1
), "window=%lu", v
);
404 * Set boolean default values, and copy all settings into the default
405 * information. OS_NOFREE is set, we're copying, not replacing.
407 for (op
= optlist
, cnt
= 0; op
->name
!= NULL
; ++op
, ++cnt
)
416 o_set(sp
, cnt
, OS_DEF
, NULL
, O_VAL(sp
, cnt
));
419 if (O_STR(sp
, cnt
) != NULL
&& o_set(sp
, cnt
,
420 OS_DEF
| OS_NOFREE
| OS_STRDUP
, O_STR(sp
, cnt
), 0))
429 * Some options can be initialized by the command name or the
430 * command-line arguments. They don't set the default values,
431 * it's historic practice.
433 for (; *oargs
!= -1; ++oargs
)
434 OI(*oargs
, optlist
[*oargs
].name
);
439 "031|Unable to set default %s option", optlist
[optindx
].name
);
445 * Change the values of one or more options.
447 * PUBLIC: int opts_set __P((SCR *, ARGS *[], char *));
450 opts_set(sp
, argv
, usage
)
459 u_long value
, turnoff
;
460 int ch
, equals
, nf
, nf2
, offset
, qmark
, rval
;
461 char *endp
, *name
, *p
, *sep
, *t
;
464 for (rval
= 0; argv
[0]->len
!= 0; ++argv
) {
466 * The historic vi dumped the options for each occurrence of
467 * "all" in the set list. Puhleeze.
469 if (!strcmp(argv
[0]->bp
, "all")) {
474 /* Find equals sign or question mark. */
475 for (sep
= NULL
, equals
= qmark
= 0,
476 p
= name
= argv
[0]->bp
; (ch
= *p
) != '\0'; ++p
)
477 if (ch
== '=' || ch
== '?') {
481 "032|Usage: %s", usage
);
497 /* Search for the name, then name without any leading "no". */
498 if ((op
= opts_search(name
)) == NULL
&&
499 name
[0] == 'n' && name
[1] == 'o') {
502 op
= opts_search(name
);
505 opts_nomatch(sp
, name
);
510 /* Find current option values. */
511 offset
= op
- optlist
;
512 spo
= sp
->opts
+ offset
;
516 * Historically, the question mark could be a separate
519 if (!equals
&& !qmark
&&
520 argv
[1]->len
== 1 && argv
[1]->bp
[0] == '?') {
525 /* Set name, value. */
529 /* Some options may not be reset. */
530 if (F_ISSET(op
, OPT_NOUNSET
) && turnoff
) {
531 msgq_str(sp
, M_ERR
, name
,
532 "291|set: the %s option may not be turned off");
537 /* Some options may not be set. */
538 if (F_ISSET(op
, OPT_NOSET
) && !turnoff
) {
539 msgq_str(sp
, M_ERR
, name
,
540 "313|set: the %s option may never be turned on");
546 msgq_str(sp
, M_ERR
, name
,
547 "034|set: [no]%s option doesn't take a value");
553 disp
= SELECT_DISPLAY
;
554 F_SET(spo
, OPT_SELECTED
);
559 * Do nothing if the value is unchanged, the underlying
560 * functions can be expensive.
562 if (!F_ISSET(op
, OPT_ALWAYS
))
564 if (!O_ISSET(sp
, offset
))
567 if (O_ISSET(sp
, offset
))
571 /* Report to subsystems. */
572 if (op
->func
!= NULL
&&
573 op
->func(sp
, spo
, NULL
, &turnoff
) ||
574 ex_optchange(sp
, offset
, NULL
, &turnoff
) ||
575 v_optchange(sp
, offset
, NULL
, &turnoff
) ||
576 sp
->gp
->scr_optchange(sp
, offset
, NULL
, &turnoff
)) {
589 msgq_str(sp
, M_ERR
, name
,
590 "035|set: %s option isn't a boolean");
594 if (qmark
|| !equals
) {
596 disp
= SELECT_DISPLAY
;
597 F_SET(spo
, OPT_SELECTED
);
601 if (!isdigit(sep
[0]))
604 nget_uslong(&value
, sep
, &endp
, 10)) != NUM_OK
) {
605 p
= msg_print(sp
, name
, &nf
);
606 t
= msg_print(sp
, sep
, &nf2
);
610 "036|set: %s option: %s", p
, t
);
614 "037|set: %s option: %s: value overflow", p
, t
);
621 FREE_SPACE(sp
, p
, 0);
623 FREE_SPACE(sp
, t
, 0);
627 if (*endp
&& !isblank(*endp
)) {
628 badnum
: p
= msg_print(sp
, name
, &nf
);
629 t
= msg_print(sp
, sep
, &nf2
);
631 "038|set: %s option: %s is an illegal number", p
, t
);
633 FREE_SPACE(sp
, p
, 0);
635 FREE_SPACE(sp
, t
, 0);
640 /* Some options may never be set to zero. */
641 if (F_ISSET(op
, OPT_NOZERO
) && value
== 0) {
642 msgq_str(sp
, M_ERR
, name
,
643 "314|set: the %s option may never be set to 0");
649 * Do nothing if the value is unchanged, the underlying
650 * functions can be expensive.
652 if (!F_ISSET(op
, OPT_ALWAYS
) &&
653 O_VAL(sp
, offset
) == value
)
656 /* Report to subsystems. */
657 if (op
->func
!= NULL
&&
658 op
->func(sp
, spo
, sep
, &value
) ||
659 ex_optchange(sp
, offset
, sep
, &value
) ||
660 v_optchange(sp
, offset
, sep
, &value
) ||
661 sp
->gp
->scr_optchange(sp
, offset
, sep
, &value
)) {
667 if (o_set(sp
, offset
, 0, NULL
, value
))
672 msgq_str(sp
, M_ERR
, name
,
673 "039|set: %s option isn't a boolean");
677 if (qmark
|| !equals
) {
679 disp
= SELECT_DISPLAY
;
680 F_SET(spo
, OPT_SELECTED
);
685 * Do nothing if the value is unchanged, the underlying
686 * functions can be expensive.
688 if (!F_ISSET(op
, OPT_ALWAYS
) &&
689 O_STR(sp
, offset
) != NULL
&&
690 !strcmp(O_STR(sp
, offset
), sep
))
693 /* Report to subsystems. */
694 if (op
->func
!= NULL
&&
695 op
->func(sp
, spo
, sep
, NULL
) ||
696 ex_optchange(sp
, offset
, sep
, NULL
) ||
697 v_optchange(sp
, offset
, sep
, NULL
) ||
698 sp
->gp
->scr_optchange(sp
, offset
, sep
, NULL
)) {
704 if (o_set(sp
, offset
, OS_STRDUP
, sep
, 0))
711 if (disp
!= NO_DISPLAY
)
718 * Set an option's value.
720 * PUBLIC: int o_set __P((SCR *, int, u_int, char *, u_long));
723 o_set(sp
, opt
, flags
, str
, val
)
732 /* Set a pointer to the options area. */
733 op
= F_ISSET(&sp
->opts
[opt
], OPT_GLOBAL
) ?
734 &sp
->gp
->opts
[sp
->opts
[opt
].o_cur
.val
] : &sp
->opts
[opt
];
736 /* Copy the string, if requested. */
737 if (LF_ISSET(OS_STRDUP
) && (str
= strdup(str
)) == NULL
) {
738 msgq(sp
, M_SYSERR
, NULL
);
742 /* Free the previous string, if requested, and set the value. */
744 if (LF_ISSET(OS_STR
| OS_STRDUP
)) {
745 if (!LF_ISSET(OS_NOFREE
) && op
->o_def
.str
!= NULL
)
751 if (LF_ISSET(OS_STR
| OS_STRDUP
)) {
752 if (!LF_ISSET(OS_NOFREE
) && op
->o_cur
.str
!= NULL
)
762 * Return 1 if the string option is invalid, 0 if it's OK.
764 * PUBLIC: int opts_empty __P((SCR *, int, int));
767 opts_empty(sp
, off
, silent
)
773 if ((p
= O_STR(sp
, off
)) == NULL
|| p
[0] == '\0') {
775 msgq_str(sp
, M_ERR
, optlist
[off
].name
,
776 "305|No %s edit option specified");
784 * List the current values of selected options.
786 * PUBLIC: void opts_dump __P((SCR *, enum optdisp));
794 int base
, b_num
, cnt
, col
, colwidth
, curlen
, s_num
;
795 int numcols
, numrows
, row
;
796 int b_op
[O_OPTIONCOUNT
], s_op
[O_OPTIONCOUNT
];
800 * Options are output in two groups -- those that fit in a column and
801 * those that don't. Output is done on 6 character "tab" boundaries
802 * for no particular reason. (Since we don't output tab characters,
803 * we can ignore the terminal's tab settings.) Ignore the user's tab
804 * setting because we have no idea how reasonable it is.
806 * Find a column width we can live with, testing from 10 columns to 1.
808 for (numcols
= 10; numcols
> 1; --numcols
) {
809 colwidth
= sp
->cols
/ numcols
& ~(STANDARD_TAB
- 1);
810 if (colwidth
>= 10) {
812 (colwidth
+ STANDARD_TAB
) & ~(STANDARD_TAB
- 1);
813 numcols
= sp
->cols
/ colwidth
;
820 * Get the set of options to list, entering them into
821 * the column list or the overflow list.
823 for (b_num
= s_num
= 0, op
= optlist
; op
->name
!= NULL
; ++op
) {
826 /* If OPT_NDISP set, it's never displayed. */
827 if (F_ISSET(op
, OPT_NDISP
))
831 case ALL_DISPLAY
: /* Display all. */
833 case CHANGED_DISPLAY
: /* Display changed. */
834 /* If OPT_ADISP set, it's always "changed". */
835 if (F_ISSET(op
, OPT_ADISP
))
841 if (O_VAL(sp
, cnt
) == O_D_VAL(sp
, cnt
))
845 if (O_STR(sp
, cnt
) == O_D_STR(sp
, cnt
) ||
846 O_D_STR(sp
, cnt
) != NULL
&&
847 !strcmp(O_STR(sp
, cnt
), O_D_STR(sp
, cnt
)))
852 case SELECT_DISPLAY
: /* Display selected. */
853 if (!F_ISSET(&sp
->opts
[cnt
], OPT_SELECTED
))
860 F_CLR(&sp
->opts
[cnt
], OPT_SELECTED
);
862 curlen
= strlen(op
->name
);
866 if (!O_ISSET(sp
, cnt
))
871 sizeof(nbuf
), "%ld", O_VAL(sp
, cnt
));
872 curlen
+= strlen(nbuf
);
875 if (O_STR(sp
, cnt
) != NULL
)
876 curlen
+= strlen(O_STR(sp
, cnt
));
880 /* Offset by 2 so there's a gap. */
881 if (curlen
<= colwidth
- 2)
888 /* Figure out the number of rows. */
889 if (s_num
> numcols
) {
890 numrows
= s_num
/ numcols
;
896 /* Display the options in sorted order. */
897 for (row
= 0; row
< numrows
;) {
898 for (base
= row
, col
= 0; col
< numcols
; ++col
) {
899 cnt
= opts_print(sp
, &optlist
[s_op
[base
]]);
900 if ((base
+= numrows
) >= s_num
)
902 (void)ex_printf(sp
, "%*s",
903 (int)(colwidth
- cnt
), "");
905 if (++row
< numrows
|| b_num
)
906 (void)ex_puts(sp
, "\n");
910 for (row
= 0; row
< b_num
;) {
911 (void)opts_print(sp
, &optlist
[b_op
[row
]]);
913 (void)ex_puts(sp
, "\n");
915 (void)ex_puts(sp
, "\n");
920 * Print out an option.
930 offset
= op
- optlist
;
934 curlen
+= ex_printf(sp
,
935 "%s%s", O_ISSET(sp
, offset
) ? "" : "no", op
->name
);
938 curlen
+= ex_printf(sp
, "%s=%ld", op
->name
, O_VAL(sp
, offset
));
941 curlen
+= ex_printf(sp
, "%s=\"%s\"", op
->name
,
942 O_STR(sp
, offset
) == NULL
? "" : O_STR(sp
, offset
));
950 * Write the current configuration to a file.
952 * PUBLIC: int opts_save __P((SCR *, FILE *));
963 for (op
= optlist
; op
->name
!= NULL
; ++op
) {
964 if (F_ISSET(op
, OPT_NOSAVE
))
970 if (O_ISSET(sp
, cnt
))
971 (void)fprintf(fp
, "set %s\n", op
->name
);
973 (void)fprintf(fp
, "set no%s\n", op
->name
);
977 "set %s=%-3ld\n", op
->name
, O_VAL(sp
, cnt
));
980 if (O_STR(sp
, cnt
) == NULL
)
982 (void)fprintf(fp
, "set ");
983 for (p
= op
->name
; (ch
= *p
) != '\0'; ++p
) {
984 if (isblank(ch
) || ch
== '\\')
985 (void)putc('\\', fp
);
989 for (p
= O_STR(sp
, cnt
); (ch
= *p
) != '\0'; ++p
) {
990 if (isblank(ch
) || ch
== '\\')
991 (void)putc('\\', fp
);
994 (void)putc('\n', fp
);
998 msgq(sp
, M_SYSERR
, NULL
);
1007 * Search for an option.
1009 * PUBLIC: OPTLIST const *opts_search __P((char *));
1015 OPTLIST
const *op
, *found
;
1020 /* Check list of abbreviations. */
1022 if ((ap
= bsearch(&atmp
, abbrev
, sizeof(abbrev
) / sizeof(OABBREV
) - 1,
1023 sizeof(OABBREV
), opts_abbcmp
)) != NULL
)
1024 return (optlist
+ ap
->offset
);
1026 /* Check list of options. */
1028 if ((op
= bsearch(&otmp
, optlist
, sizeof(optlist
) / sizeof(OPTLIST
) - 1,
1029 sizeof(OPTLIST
), opts_cmp
)) != NULL
)
1033 * Check to see if the name is the prefix of one (and only one)
1034 * option. If so, return the option.
1037 for (found
= NULL
, op
= optlist
; op
->name
!= NULL
; ++op
) {
1038 if (op
->name
[0] < name
[0])
1040 if (op
->name
[0] > name
[0])
1042 if (!memcmp(op
->name
, name
, len
)) {
1053 * Standard nomatch error message for options.
1055 * PUBLIC: void opts_nomatch __P((SCR *, char *));
1058 opts_nomatch(sp
, name
)
1062 msgq_str(sp
, M_ERR
, name
,
1063 "033|set: no %s option: 'set all' gives all option values");
1070 return(strcmp(((OABBREV
*)a
)->name
, ((OABBREV
*)b
)->name
));
1077 return(strcmp(((OPTLIST
*)a
)->name
, ((OPTLIST
*)b
)->name
));
1082 * Copy a screen's OPTION array.
1084 * PUBLIC: int opts_copy __P((SCR *, SCR *));
1092 /* Copy most everything without change. */
1093 memcpy(sp
->opts
, orig
->opts
, sizeof(orig
->opts
));
1095 /* Copy the string edit options. */
1096 for (cnt
= rval
= 0; cnt
< O_OPTIONCOUNT
; ++cnt
) {
1097 if (optlist
[cnt
].type
!= OPT_STR
||
1098 F_ISSET(&optlist
[cnt
], OPT_GLOBAL
))
1101 * If never set, or already failed, NULL out the entries --
1102 * have to continue after failure, otherwise would have two
1103 * screens referencing the same memory.
1105 if (rval
|| O_STR(sp
, cnt
) == NULL
) {
1106 o_set(sp
, cnt
, OS_NOFREE
| OS_STR
, NULL
, 0);
1107 o_set(sp
, cnt
, OS_DEF
| OS_NOFREE
| OS_STR
, NULL
, 0);
1111 /* Copy the current string. */
1112 if (o_set(sp
, cnt
, OS_NOFREE
| OS_STRDUP
, O_STR(sp
, cnt
), 0)) {
1113 o_set(sp
, cnt
, OS_DEF
| OS_NOFREE
| OS_STR
, NULL
, 0);
1117 /* Copy the default string. */
1118 if (O_D_STR(sp
, cnt
) != NULL
&& o_set(sp
, cnt
,
1119 OS_DEF
| OS_NOFREE
| OS_STRDUP
, O_D_STR(sp
, cnt
), 0)) {
1120 nomem
: msgq(orig
, M_SYSERR
, NULL
);
1129 * Free all option strings
1131 * PUBLIC: void opts_free __P((SCR *));
1139 for (cnt
= 0; cnt
< O_OPTIONCOUNT
; ++cnt
) {
1140 if (optlist
[cnt
].type
!= OPT_STR
||
1141 F_ISSET(&optlist
[cnt
], OPT_GLOBAL
))
1143 if (O_STR(sp
, cnt
) != NULL
)
1144 free(O_STR(sp
, cnt
));
1145 if (O_D_STR(sp
, cnt
) != NULL
)
1146 free(O_D_STR(sp
, cnt
));