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
[] = "$Id: options.c,v 10.61 2001/06/09 21:53:51 skimo Exp $ (Berkeley) $Date: 2001/06/09 21:53:51 $";
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 {L("altwerase"), f_altwerase
, OPT_0BOOL
, 0},
49 /* O_AUTOINDENT 4BSD */
50 {L("autoindent"), NULL
, OPT_0BOOL
, 0},
51 /* O_AUTOPRINT 4BSD */
52 {L("autoprint"), NULL
, OPT_1BOOL
, 0},
53 /* O_AUTOWRITE 4BSD */
54 {L("autowrite"), NULL
, OPT_0BOOL
, 0},
56 {L("backup"), NULL
, OPT_STR
, 0},
58 {L("beautify"), NULL
, OPT_0BOOL
, 0},
60 {L("cdpath"), NULL
, OPT_STR
, 0},
62 {L("cedit"), NULL
, OPT_STR
, 0},
63 /* O_COLUMNS 4.4BSD */
64 {L("columns"), f_columns
, OPT_NUM
, OPT_NOSAVE
},
65 /* O_COMMENT 4.4BSD */
66 {L("comment"), NULL
, OPT_0BOOL
, 0},
67 /* O_DIRECTORY 4BSD */
68 {L("directory"), NULL
, OPT_STR
, 0},
69 /* O_EDCOMPATIBLE 4BSD */
70 {L("edcompatible"),NULL
, OPT_0BOOL
, 0},
71 /* O_ESCAPETIME 4.4BSD */
72 {L("escapetime"), NULL
, OPT_NUM
, 0},
73 /* O_ERRORBELLS 4BSD */
74 {L("errorbells"), NULL
, OPT_0BOOL
, 0},
75 /* O_EXRC System V (undocumented) */
76 {L("exrc"), NULL
, OPT_0BOOL
, 0},
77 /* O_EXTENDED 4.4BSD */
78 {L("extended"), f_recompile
, OPT_0BOOL
, 0},
80 {L("filec"), NULL
, OPT_STR
, 0},
82 {L("fileencoding"),f_encoding
, OPT_STR
, 0},
84 {L("flash"), NULL
, OPT_1BOOL
, 0},
86 {L("hardtabs"), NULL
, OPT_NUM
, 0},
87 /* O_ICLOWER 4.4BSD */
88 {L("iclower"), f_recompile
, OPT_0BOOL
, 0},
89 /* O_IGNORECASE 4BSD */
90 {L("ignorecase"), f_recompile
, OPT_0BOOL
, 0},
92 {L("inputencoding"),f_encoding
, OPT_STR
, 0},
93 /* O_KEYTIME 4.4BSD */
94 {L("keytime"), NULL
, OPT_NUM
, 0},
95 /* O_LEFTRIGHT 4.4BSD */
96 {L("leftright"), f_reformat
, OPT_0BOOL
, 0},
98 {L("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 {L("lisp"), f_lisp
, OPT_0BOOL
, OPT_NOSAVE
},
106 {L("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 {L("lock"), NULL
, OPT_1BOOL
, 0},
114 {L("magic"), NULL
, OPT_1BOOL
, 0},
115 /* O_MATCHTIME 4.4BSD */
116 {L("matchtime"), NULL
, OPT_NUM
, 0},
118 {L("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 {L("modeline"), NULL
, OPT_0BOOL
, OPT_NOSET
},
128 /* O_MSGCAT 4.4BSD */
129 {L("msgcat"), f_msgcat
, OPT_STR
, 0},
130 /* O_NOPRINT 4.4BSD */
131 {L("noprint"), f_print
, OPT_STR
, 0},
133 {L("number"), f_reformat
, OPT_0BOOL
, 0},
135 {L("octal"), f_print
, OPT_0BOOL
, 0},
137 {L("open"), NULL
, OPT_1BOOL
, 0},
138 /* O_OPTIMIZE 4BSD */
139 {L("optimize"), NULL
, OPT_1BOOL
, 0},
140 /* O_PARAGRAPHS 4BSD */
141 {L("paragraphs"), f_paragraph
, OPT_STR
, 0},
143 {L("path"), NULL
, OPT_STR
, 0},
145 {L("print"), f_print
, OPT_STR
, 0},
147 {L("prompt"), NULL
, OPT_1BOOL
, 0},
148 /* O_READONLY 4BSD (undocumented) */
149 {L("readonly"), f_readonly
, OPT_0BOOL
, OPT_ALWAYS
},
150 /* O_RECDIR 4.4BSD */
151 {L("recdir"), NULL
, OPT_STR
, 0},
153 {L("redraw"), NULL
, OPT_0BOOL
, 0},
155 {L("remap"), NULL
, OPT_1BOOL
, 0},
157 {L("report"), NULL
, OPT_NUM
, 0},
159 {L("ruler"), NULL
, OPT_0BOOL
, 0},
161 {L("scroll"), NULL
, OPT_NUM
, 0},
162 /* O_SEARCHINCR 4.4BSD */
163 {L("searchincr"), NULL
, OPT_0BOOL
, 0},
164 /* O_SECTIONS 4BSD */
165 {L("sections"), f_section
, OPT_STR
, 0},
166 /* O_SECURE 4.4BSD */
167 {L("secure"), NULL
, OPT_0BOOL
, OPT_NOUNSET
},
169 {L("shell"), NULL
, OPT_STR
, 0},
170 /* O_SHELLMETA 4.4BSD */
171 {L("shellmeta"), NULL
, OPT_STR
, 0},
172 /* O_SHIFTWIDTH 4BSD */
173 {L("shiftwidth"), NULL
, OPT_NUM
, OPT_NOZERO
},
174 /* O_SHOWMATCH 4BSD */
175 {L("showmatch"), NULL
, OPT_0BOOL
, 0},
176 /* O_SHOWMODE 4.4BSD */
177 {L("showmode"), NULL
, OPT_0BOOL
, 0},
178 /* O_SIDESCROLL 4.4BSD */
179 {L("sidescroll"), NULL
, OPT_NUM
, OPT_NOZERO
},
180 /* O_SLOWOPEN 4BSD */
181 {L("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 {L("sourceany"), NULL
, OPT_0BOOL
, OPT_NOSET
},
192 {L("tabstop"), f_reformat
, OPT_NUM
, OPT_NOZERO
},
193 /* O_TAGLENGTH 4BSD */
194 {L("taglength"), NULL
, OPT_NUM
, 0},
196 {L("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 {L("term"), NULL
, OPT_STR
, OPT_ADISP
|OPT_NOSAVE
},
204 {L("terse"), NULL
, OPT_0BOOL
, 0},
205 /* O_TILDEOP 4.4BSD */
206 {L("tildeop"), NULL
, OPT_0BOOL
, 0},
207 /* O_TIMEOUT 4BSD (undocumented) */
208 {L("timeout"), NULL
, OPT_1BOOL
, 0},
209 /* O_TTYWERASE 4.4BSD */
210 {L("ttywerase"), f_ttywerase
, OPT_0BOOL
, 0},
211 /* O_VERBOSE 4.4BSD */
212 {L("verbose"), NULL
, OPT_0BOOL
, 0},
214 {L("w1200"), f_w1200
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
216 {L("w300"), f_w300
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
218 {L("w9600"), f_w9600
, OPT_NUM
, OPT_NDISP
|OPT_NOSAVE
},
220 {L("warn"), NULL
, OPT_1BOOL
, 0},
222 {L("window"), f_window
, OPT_NUM
, 0},
223 /* O_WINDOWNAME 4BSD */
224 {L("windowname"), NULL
, OPT_0BOOL
, 0},
225 /* O_WRAPLEN 4.4BSD */
226 {L("wraplen"), NULL
, OPT_NUM
, 0},
227 /* O_WRAPMARGIN 4BSD */
228 {L("wrapmargin"), NULL
, OPT_NUM
, 0},
229 /* O_WRAPSCAN 4BSD */
230 {L("wrapscan"), NULL
, OPT_1BOOL
, 0},
231 /* O_WRITEANY 4BSD */
232 {L("writeany"), NULL
, OPT_0BOOL
, 0},
236 typedef struct abbrev
{
241 static OABBREV
const abbrev
[] = {
242 {L("ai"), O_AUTOINDENT
}, /* 4BSD */
243 {L("ap"), O_AUTOPRINT
}, /* 4BSD */
244 {L("aw"), O_AUTOWRITE
}, /* 4BSD */
245 {L("bf"), O_BEAUTIFY
}, /* 4BSD */
246 {L("co"), O_COLUMNS
}, /* 4.4BSD */
247 {L("dir"), O_DIRECTORY
}, /* 4BSD */
248 {L("eb"), O_ERRORBELLS
}, /* 4BSD */
249 {L("ed"), O_EDCOMPATIBLE
}, /* 4BSD */
250 {L("ex"), O_EXRC
}, /* System V (undocumented) */
251 {L("fe"), O_FILEENCODING
},
252 {L("ht"), O_HARDTABS
}, /* 4BSD */
253 {L("ic"), O_IGNORECASE
}, /* 4BSD */
254 {L("ie"), O_INPUTENCODING
},
255 {L("li"), O_LINES
}, /* 4.4BSD */
256 {L("modelines"), O_MODELINE
}, /* HPUX */
257 {L("nu"), O_NUMBER
}, /* 4BSD */
258 {L("opt"), O_OPTIMIZE
}, /* 4BSD */
259 {L("para"), O_PARAGRAPHS
}, /* 4BSD */
260 {L("re"), O_REDRAW
}, /* O'Reilly */
261 {L("ro"), O_READONLY
}, /* 4BSD (undocumented) */
262 {L("scr"), O_SCROLL
}, /* 4BSD (undocumented) */
263 {L("sect"), O_SECTIONS
}, /* O'Reilly */
264 {L("sh"), O_SHELL
}, /* 4BSD */
265 {L("slow"), O_SLOWOPEN
}, /* 4BSD */
266 {L("sm"), O_SHOWMATCH
}, /* 4BSD */
267 {L("smd"), O_SHOWMODE
}, /* 4BSD */
268 {L("sw"), O_SHIFTWIDTH
}, /* 4BSD */
269 {L("tag"), O_TAGS
}, /* 4BSD (undocumented) */
270 {L("tl"), O_TAGLENGTH
}, /* 4BSD */
271 {L("to"), O_TIMEOUT
}, /* 4BSD (undocumented) */
272 {L("ts"), O_TABSTOP
}, /* 4BSD */
273 {L("tty"), O_TERM
}, /* 4BSD (undocumented) */
274 {L("ttytype"), O_TERM
}, /* 4BSD (undocumented) */
275 {L("w"), O_WINDOW
}, /* O'Reilly */
276 {L("wa"), O_WRITEANY
}, /* 4BSD */
277 {L("wi"), O_WINDOW
}, /* 4BSD (undocumented) */
278 {L("wl"), O_WRAPLEN
}, /* 4.4BSD */
279 {L("wm"), O_WRAPMARGIN
}, /* 4BSD */
280 {L("ws"), O_WRAPSCAN
}, /* 4BSD */
286 * Initialize some of the options.
288 * PUBLIC: int opts_init __P((SCR *, int *));
310 /* Set numeric and string default values. */
311 #define OI(indx, str) { \
312 a.len = STRLEN(str); \
313 if ((CHAR_T*)str != b2) /* GCC puts strings in text-space. */ \
314 (void)MEMCPY(b2, str, a.len+1); \
315 if (opts_set(sp, argv, NULL)) { \
321 * Indirect global options to global space. Specifically, set up
322 * terminal, lines, columns first, they're used by other options.
323 * Note, don't set the flags until we've set up the indirection.
325 if (o_set(sp
, O_TERM
, 0, NULL
, GO_TERM
))
327 F_SET(&sp
->opts
[O_TERM
], OPT_GLOBAL
);
328 if (o_set(sp
, O_LINES
, 0, NULL
, GO_LINES
))
330 F_SET(&sp
->opts
[O_LINES
], OPT_GLOBAL
);
331 if (o_set(sp
, O_COLUMNS
, 0, NULL
, GO_COLUMNS
))
333 F_SET(&sp
->opts
[O_COLUMNS
], OPT_GLOBAL
);
334 if (o_set(sp
, O_SECURE
, 0, NULL
, GO_SECURE
))
336 F_SET(&sp
->opts
[O_SECURE
], OPT_GLOBAL
);
338 /* Initialize string values. */
339 (void)SPRINTF(b2
, SIZE(b2
),
340 L("cdpath=%s"), (s
= getenv("CDPATH")) == NULL
? ":" : s
);
345 * Vi historically stored temporary files in /var/tmp. We store them
346 * in /tmp by default, hoping it's a memory based file system. There
347 * are two ways to change this -- the user can set either the directory
348 * option or the TMPDIR environmental variable.
350 (void)SPRINTF(b2
, SIZE(b2
),
351 L("directory=%s"), (s
= getenv("TMPDIR")) == NULL
? _PATH_TMP
: s
);
353 OI(O_ESCAPETIME
, L("escapetime=1"));
354 OI(O_KEYTIME
, L("keytime=6"));
355 OI(O_MATCHTIME
, L("matchtime=7"));
356 (void)SPRINTF(b2
, SIZE(b2
), L("msgcat=%s"), _PATH_MSGCAT
);
358 OI(O_REPORT
, L("report=5"));
359 OI(O_PARAGRAPHS
, L("paragraphs=IPLPPPQPP LIpplpipbp"));
360 (void)SPRINTF(b2
, SIZE(b2
), L("path=%s"), "");
362 (void)SPRINTF(b2
, SIZE(b2
), L("recdir=%s"), _PATH_PRESERVE
);
364 OI(O_SECTIONS
, L("sections=NHSHH HUnhsh"));
365 (void)SPRINTF(b2
, SIZE(b2
),
366 L("shell=%s"), (s
= getenv("SHELL")) == NULL
? _PATH_BSHELL
: s
);
368 OI(O_SHELLMETA
, L("shellmeta=~{[*?$`'\"\\"));
369 OI(O_SHIFTWIDTH
, L("shiftwidth=8"));
370 OI(O_SIDESCROLL
, L("sidescroll=16"));
371 OI(O_TABSTOP
, L("tabstop=8"));
372 (void)SPRINTF(b2
, SIZE(b2
), L("tags=%s"), _PATH_TAGS
);
377 * Initialize O_SCROLL here, after term; initializing term should
378 * have created a LINES/COLUMNS value.
380 if ((v
= (O_VAL(sp
, O_LINES
) - 1) / 2) == 0)
382 (void)SPRINTF(b2
, SIZE(b2
), L("scroll=%ld"), v
);
386 * The default window option values are:
387 * 8 if baud rate <= 600
388 * 16 if baud rate <= 1200
389 * LINES - 1 if baud rate > 1200
391 * Note, the windows option code will correct any too-large value
392 * or when the O_LINES value is 1.
394 if (sp
->gp
->scr_baud(sp
, &v
))
400 else if ((v
= O_VAL(sp
, O_LINES
) - 1) == 0)
403 (void)SPRINTF(b2
, SIZE(b2
), L("window=%lu"), v
);
407 * Set boolean default values, and copy all settings into the default
408 * information. OS_NOFREE is set, we're copying, not replacing.
410 for (op
= optlist
, cnt
= 0; op
->name
!= NULL
; ++op
, ++cnt
)
419 o_set(sp
, cnt
, OS_DEF
, NULL
, O_VAL(sp
, cnt
));
422 if (O_STR(sp
, cnt
) != NULL
&& o_set(sp
, cnt
,
423 OS_DEF
| OS_NOFREE
| OS_STRDUP
, O_STR(sp
, cnt
), 0))
432 * Some options can be initialized by the command name or the
433 * command-line arguments. They don't set the default values,
434 * it's historic practice.
436 for (; *oargs
!= -1; ++oargs
)
437 OI(*oargs
, optlist
[*oargs
].name
);
441 * Inform the underlying screen of the initial values of the
444 for (op
= optlist
, cnt
= 0; op
->name
!= NULL
; ++op
, ++cnt
) {
445 isset
= O_ISSET(sp
, cnt
);
446 (void)sp
->gp
->scr_optchange(sp
, cnt
, O_STR(sp
, cnt
), &isset
);
451 "031|Unable to set default %s option", optlist
[optindx
].name
);
457 * Change the values of one or more options.
459 * PUBLIC: int opts_set __P((SCR *, ARGS *[], char *));
462 opts_set(sp
, argv
, usage
)
471 u_long isset
, turnoff
, value
;
472 int ch
, equals
, nf
, nf2
, offset
, qmark
, rval
;
473 CHAR_T
*endp
, *name
, *p
, *sep
, *t
;
479 for (rval
= 0; argv
[0]->len
!= 0; ++argv
) {
481 * The historic vi dumped the options for each occurrence of
482 * "all" in the set list. Puhleeze.
484 if (!STRCMP(argv
[0]->bp
, L("all"))) {
489 /* Find equals sign or question mark. */
490 for (sep
= NULL
, equals
= qmark
= 0,
491 p
= name
= argv
[0]->bp
; (ch
= *p
) != '\0'; ++p
)
492 if (ch
== '=' || ch
== '?') {
496 "032|Usage: %s", usage
);
512 /* Search for the name, then name without any leading "no". */
513 if ((op
= opts_search(name
)) == NULL
&&
514 name
[0] == L('n') && name
[1] == L('o')) {
517 op
= opts_search(name
);
520 opts_nomatch(sp
, name
);
525 /* Find current option values. */
526 offset
= op
- optlist
;
527 spo
= sp
->opts
+ offset
;
531 * Historically, the question mark could be a separate
534 if (!equals
&& !qmark
&&
535 argv
[1]->len
== 1 && argv
[1]->bp
[0] == '?') {
540 /* Set name, value. */
544 /* Some options may not be reset. */
545 if (F_ISSET(op
, OPT_NOUNSET
) && turnoff
) {
546 msgq_wstr(sp
, M_ERR
, name
,
547 "291|set: the %s option may not be turned off");
552 /* Some options may not be set. */
553 if (F_ISSET(op
, OPT_NOSET
) && !turnoff
) {
554 msgq_wstr(sp
, M_ERR
, name
,
555 "313|set: the %s option may never be turned on");
561 msgq_wstr(sp
, M_ERR
, name
,
562 "034|set: [no]%s option doesn't take a value");
568 disp
= SELECT_DISPLAY
;
569 F_SET(spo
, OPT_SELECTED
);
574 * Do nothing if the value is unchanged, the underlying
575 * functions can be expensive.
578 if (!F_ISSET(op
, OPT_ALWAYS
))
580 if (O_ISSET(sp
, offset
))
583 if (!O_ISSET(sp
, offset
))
586 /* Report to subsystems. */
587 if (op
->func
!= NULL
&&
588 op
->func(sp
, spo
, NULL
, &isset
) ||
589 ex_optchange(sp
, offset
, NULL
, &isset
) ||
590 v_optchange(sp
, offset
, NULL
, &isset
) ||
591 sp
->gp
->scr_optchange(sp
, offset
, NULL
, &isset
)) {
604 msgq_wstr(sp
, M_ERR
, name
,
605 "035|set: %s option isn't a boolean");
609 if (qmark
|| !equals
) {
611 disp
= SELECT_DISPLAY
;
612 F_SET(spo
, OPT_SELECTED
);
616 if (!ISDIGIT(sep
[0]))
619 nget_uslong(sp
, &value
, sep
, &endp
, 10)) != NUM_OK
) {
620 INT2CHAR(sp
, name
, STRLEN(name
) + 1,
622 p2
= msg_print(sp
, np
, &nf
);
623 INT2CHAR(sp
, sep
, STRLEN(sep
) + 1,
625 t2
= msg_print(sp
, np
, &nf2
);
629 "036|set: %s option: %s", p2
, t2
);
633 "037|set: %s option: %s: value overflow", p2
, t2
);
640 FREE_SPACE(sp
, p2
, 0);
642 FREE_SPACE(sp
, t2
, 0);
646 if (*endp
&& !ISBLANK(*endp
)) {
647 badnum
: INT2CHAR(sp
, name
, STRLEN(name
) + 1,
649 p2
= msg_print(sp
, np
, &nf
);
650 INT2CHAR(sp
, sep
, STRLEN(sep
) + 1,
652 t2
= msg_print(sp
, np
, &nf2
);
654 "038|set: %s option: %s is an illegal number", p2
, t2
);
656 FREE_SPACE(sp
, p2
, 0);
658 FREE_SPACE(sp
, t2
, 0);
663 /* Some options may never be set to zero. */
664 if (F_ISSET(op
, OPT_NOZERO
) && value
== 0) {
665 msgq_wstr(sp
, M_ERR
, name
,
666 "314|set: the %s option may never be set to 0");
672 * Do nothing if the value is unchanged, the underlying
673 * functions can be expensive.
675 if (!F_ISSET(op
, OPT_ALWAYS
) &&
676 O_VAL(sp
, offset
) == value
)
679 /* Report to subsystems. */
680 INT2CHAR(sp
, sep
, STRLEN(sep
) + 1, np
, nlen
);
681 if (op
->func
!= NULL
&&
682 op
->func(sp
, spo
, np
, &value
) ||
683 ex_optchange(sp
, offset
, np
, &value
) ||
684 v_optchange(sp
, offset
, np
, &value
) ||
685 sp
->gp
->scr_optchange(sp
, offset
, np
, &value
)) {
691 if (o_set(sp
, offset
, 0, NULL
, value
))
696 msgq_wstr(sp
, M_ERR
, name
,
697 "039|set: %s option isn't a boolean");
701 if (qmark
|| !equals
) {
703 disp
= SELECT_DISPLAY
;
704 F_SET(spo
, OPT_SELECTED
);
709 * Do nothing if the value is unchanged, the underlying
710 * functions can be expensive.
712 INT2CHAR(sp
, sep
, STRLEN(sep
) + 1, np
, nlen
);
713 if (!F_ISSET(op
, OPT_ALWAYS
) &&
714 O_STR(sp
, offset
) != NULL
&&
715 !strcmp(O_STR(sp
, offset
), np
))
718 /* Report to subsystems. */
719 if (op
->func
!= NULL
&&
720 op
->func(sp
, spo
, np
, NULL
) ||
721 ex_optchange(sp
, offset
, np
, NULL
) ||
722 v_optchange(sp
, offset
, np
, NULL
) ||
723 sp
->gp
->scr_optchange(sp
, offset
, np
, NULL
)) {
729 if (o_set(sp
, offset
, OS_STRDUP
, np
, 0))
736 if (disp
!= NO_DISPLAY
)
743 * Set an option's value.
745 * PUBLIC: int o_set __P((SCR *, int, u_int, char *, u_long));
748 o_set(sp
, opt
, flags
, str
, val
)
757 /* Set a pointer to the options area. */
758 op
= F_ISSET(&sp
->opts
[opt
], OPT_GLOBAL
) ?
759 &sp
->gp
->opts
[sp
->opts
[opt
].o_cur
.val
] : &sp
->opts
[opt
];
761 /* Copy the string, if requested. */
762 if (LF_ISSET(OS_STRDUP
) && (str
= strdup(str
)) == NULL
) {
763 msgq(sp
, M_SYSERR
, NULL
);
767 /* Free the previous string, if requested, and set the value. */
769 if (LF_ISSET(OS_STR
| OS_STRDUP
)) {
770 if (!LF_ISSET(OS_NOFREE
) && op
->o_def
.str
!= NULL
)
776 if (LF_ISSET(OS_STR
| OS_STRDUP
)) {
777 if (!LF_ISSET(OS_NOFREE
) && op
->o_cur
.str
!= NULL
)
787 * Return 1 if the string option is invalid, 0 if it's OK.
789 * PUBLIC: int opts_empty __P((SCR *, int, int));
792 opts_empty(sp
, off
, silent
)
798 if ((p
= O_STR(sp
, off
)) == NULL
|| p
[0] == '\0') {
800 msgq_wstr(sp
, M_ERR
, optlist
[off
].name
,
801 "305|No %s edit option specified");
809 * List the current values of selected options.
811 * PUBLIC: void opts_dump __P((SCR *, enum optdisp));
819 int base
, b_num
, cnt
, col
, colwidth
, curlen
, s_num
;
820 int numcols
, numrows
, row
;
821 int b_op
[O_OPTIONCOUNT
], s_op
[O_OPTIONCOUNT
];
826 * Options are output in two groups -- those that fit in a column and
827 * those that don't. Output is done on 6 character "tab" boundaries
828 * for no particular reason. (Since we don't output tab characters,
829 * we can ignore the terminal's tab settings.) Ignore the user's tab
830 * setting because we have no idea how reasonable it is.
832 * Find a column width we can live with, testing from 10 columns to 1.
834 for (numcols
= 10; numcols
> 1; --numcols
) {
835 colwidth
= sp
->cols
/ numcols
& ~(STANDARD_TAB
- 1);
836 if (colwidth
>= 10) {
838 (colwidth
+ STANDARD_TAB
) & ~(STANDARD_TAB
- 1);
839 numcols
= sp
->cols
/ colwidth
;
846 * Get the set of options to list, entering them into
847 * the column list or the overflow list.
849 for (b_num
= s_num
= 0, op
= optlist
; op
->name
!= NULL
; ++op
) {
852 /* If OPT_NDISP set, it's never displayed. */
853 if (F_ISSET(op
, OPT_NDISP
))
857 case ALL_DISPLAY
: /* Display all. */
859 case CHANGED_DISPLAY
: /* Display changed. */
860 /* If OPT_ADISP set, it's always "changed". */
861 if (F_ISSET(op
, OPT_ADISP
))
867 if (O_VAL(sp
, cnt
) == O_D_VAL(sp
, cnt
))
871 if (O_STR(sp
, cnt
) == O_D_STR(sp
, cnt
) ||
872 O_D_STR(sp
, cnt
) != NULL
&&
873 !strcmp(O_STR(sp
, cnt
), O_D_STR(sp
, cnt
)))
878 case SELECT_DISPLAY
: /* Display selected. */
879 if (!F_ISSET(&sp
->opts
[cnt
], OPT_SELECTED
))
886 F_CLR(&sp
->opts
[cnt
], OPT_SELECTED
);
888 curlen
= STRLEN(op
->name
);
892 if (!O_ISSET(sp
, cnt
))
897 sizeof(nbuf
), "%ld", O_VAL(sp
, cnt
));
898 curlen
+= strlen(nbuf
);
901 if (O_STR(sp
, cnt
) != NULL
)
902 curlen
+= strlen(O_STR(sp
, cnt
));
906 /* Offset by 2 so there's a gap. */
907 if (curlen
<= colwidth
- 2)
914 /* Figure out the number of rows. */
915 if (s_num
> numcols
) {
916 numrows
= s_num
/ numcols
;
922 /* Display the options in sorted order. */
923 for (row
= 0; row
< numrows
;) {
924 for (base
= row
, col
= 0; col
< numcols
; ++col
) {
925 cnt
= opts_print(sp
, &optlist
[s_op
[base
]]);
926 if ((base
+= numrows
) >= s_num
)
928 (void)ex_printf(sp
, "%*s",
929 (int)(colwidth
- cnt
), "");
931 if (++row
< numrows
|| b_num
)
932 (void)ex_puts(sp
, "\n");
936 for (row
= 0; row
< b_num
;) {
937 (void)opts_print(sp
, &optlist
[b_op
[row
]]);
939 (void)ex_puts(sp
, "\n");
941 (void)ex_puts(sp
, "\n");
946 * Print out an option.
956 offset
= op
- optlist
;
960 curlen
+= ex_printf(sp
,
961 "%s"WS
, O_ISSET(sp
, offset
) ? "" : "no", op
->name
);
964 curlen
+= ex_printf(sp
, WS
"=%ld", op
->name
, O_VAL(sp
, offset
));
967 curlen
+= ex_printf(sp
, WS
"=\"%s\"", op
->name
,
968 O_STR(sp
, offset
) == NULL
? "" : O_STR(sp
, offset
));
976 * Write the current configuration to a file.
978 * PUBLIC: int opts_save __P((SCR *, FILE *));
990 for (op
= optlist
; op
->name
!= NULL
; ++op
) {
991 if (F_ISSET(op
, OPT_NOSAVE
))
997 if (O_ISSET(sp
, cnt
))
998 (void)fprintf(fp
, "set "WS
"\n", op
->name
);
1000 (void)fprintf(fp
, "set no"WS
"\n", op
->name
);
1004 "set "WS
"=%-3ld\n", op
->name
, O_VAL(sp
, cnt
));
1007 if (O_STR(sp
, cnt
) == NULL
)
1009 (void)fprintf(fp
, "set ");
1010 for (p
= op
->name
; (ch
= *p
) != L('\0'); ++p
) {
1011 if (ISBLANK(ch
) || ch
== L('\\'))
1012 (void)putc('\\', fp
);
1013 fprintf(fp
, WC
, ch
);
1015 (void)putc('=', fp
);
1016 for (np
= O_STR(sp
, cnt
); (nch
= *np
) != '\0'; ++np
) {
1017 if (isblank(nch
) || nch
== '\\')
1018 (void)putc('\\', fp
);
1019 (void)putc(nch
, fp
);
1021 (void)putc('\n', fp
);
1025 msgq(sp
, M_SYSERR
, NULL
);
1034 * Search for an option.
1036 * PUBLIC: OPTLIST const *opts_search __P((CHAR_T *));
1042 OPTLIST
const *op
, *found
;
1047 /* Check list of abbreviations. */
1049 if ((ap
= bsearch(&atmp
, abbrev
, sizeof(abbrev
) / sizeof(OABBREV
) - 1,
1050 sizeof(OABBREV
), opts_abbcmp
)) != NULL
)
1051 return (optlist
+ ap
->offset
);
1053 /* Check list of options. */
1055 if ((op
= bsearch(&otmp
, optlist
, sizeof(optlist
) / sizeof(OPTLIST
) - 1,
1056 sizeof(OPTLIST
), opts_cmp
)) != NULL
)
1060 * Check to see if the name is the prefix of one (and only one)
1061 * option. If so, return the option.
1064 for (found
= NULL
, op
= optlist
; op
->name
!= NULL
; ++op
) {
1065 if (op
->name
[0] < name
[0])
1067 if (op
->name
[0] > name
[0])
1069 if (!memcmp(op
->name
, name
, len
)) {
1080 * Standard nomatch error message for options.
1082 * PUBLIC: void opts_nomatch __P((SCR *, CHAR_T *));
1085 opts_nomatch(SCR
*sp
, CHAR_T
*name
)
1087 msgq_wstr(sp
, M_ERR
, name
,
1088 "033|set: no %s option: 'set all' gives all option values");
1095 return(STRCMP(((OABBREV
*)a
)->name
, ((OABBREV
*)b
)->name
));
1102 return(STRCMP(((OPTLIST
*)a
)->name
, ((OPTLIST
*)b
)->name
));
1107 * Copy a screen's OPTION array.
1109 * PUBLIC: int opts_copy __P((SCR *, SCR *));
1117 /* Copy most everything without change. */
1118 memcpy(sp
->opts
, orig
->opts
, sizeof(orig
->opts
));
1120 /* Copy the string edit options. */
1121 for (cnt
= rval
= 0; cnt
< O_OPTIONCOUNT
; ++cnt
) {
1122 if (optlist
[cnt
].type
!= OPT_STR
||
1123 F_ISSET(&optlist
[cnt
], OPT_GLOBAL
))
1126 * If never set, or already failed, NULL out the entries --
1127 * have to continue after failure, otherwise would have two
1128 * screens referencing the same memory.
1130 if (rval
|| O_STR(sp
, cnt
) == NULL
) {
1131 o_set(sp
, cnt
, OS_NOFREE
| OS_STR
, NULL
, 0);
1132 o_set(sp
, cnt
, OS_DEF
| OS_NOFREE
| OS_STR
, NULL
, 0);
1136 /* Copy the current string. */
1137 if (o_set(sp
, cnt
, OS_NOFREE
| OS_STRDUP
, O_STR(sp
, cnt
), 0)) {
1138 o_set(sp
, cnt
, OS_DEF
| OS_NOFREE
| OS_STR
, NULL
, 0);
1142 /* Copy the default string. */
1143 if (O_D_STR(sp
, cnt
) != NULL
&& o_set(sp
, cnt
,
1144 OS_DEF
| OS_NOFREE
| OS_STRDUP
, O_D_STR(sp
, cnt
), 0)) {
1145 nomem
: msgq(orig
, M_SYSERR
, NULL
);
1154 * Free all option strings
1156 * PUBLIC: void opts_free __P((SCR *));
1164 for (cnt
= 0; cnt
< O_OPTIONCOUNT
; ++cnt
) {
1165 if (optlist
[cnt
].type
!= OPT_STR
||
1166 F_ISSET(&optlist
[cnt
], OPT_GLOBAL
))
1168 if (O_STR(sp
, cnt
) != NULL
)
1169 free(O_STR(sp
, cnt
));
1170 if (O_D_STR(sp
, cnt
) != NULL
)
1171 free(O_D_STR(sp
, cnt
));