diff options
author | peter <peter@FreeBSD.org> | 2013-08-11 08:38:10 +0000 |
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committer | peter <peter@FreeBSD.org> | 2013-08-11 08:38:10 +0000 |
commit | 75700a8c067d4d910e2017f0aa29cbbca644f9cc (patch) | |
tree | fcfc8dee7b416cacdea763f18f34e0930234186a /contrib/nvi/common/options.c | |
parent | 3102470d94db36e49a2262542f69cc4219ae1aee (diff) | |
download | FreeBSD-src-75700a8c067d4d910e2017f0aa29cbbca644f9cc.zip FreeBSD-src-75700a8c067d4d910e2017f0aa29cbbca644f9cc.tar.gz |
Post-cvs2svn flatten pass.
Diffstat (limited to 'contrib/nvi/common/options.c')
-rw-r--r-- | contrib/nvi/common/options.c | 1141 |
1 files changed, 0 insertions, 1141 deletions
diff --git a/contrib/nvi/common/options.c b/contrib/nvi/common/options.c deleted file mode 100644 index 973778c..0000000 --- a/contrib/nvi/common/options.c +++ /dev/null @@ -1,1141 +0,0 @@ -/*- - * Copyright (c) 1991, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 1991, 1993, 1994, 1995, 1996 - * Keith Bostic. All rights reserved. - * - * See the LICENSE file for redistribution information. - */ - -#include "config.h" - -#ifndef lint -static const char sccsid[] = "@(#)options.c 10.51 (Berkeley) 10/14/96"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/queue.h> -#include <sys/stat.h> -#include <sys/time.h> - -#include <bitstring.h> -#include <ctype.h> -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "common.h" -#include "../vi/vi.h" -#include "pathnames.h" - -static int opts_abbcmp __P((const void *, const void *)); -static int opts_cmp __P((const void *, const void *)); -static int opts_print __P((SCR *, OPTLIST const *)); - -/* - * O'Reilly noted options and abbreviations are from "Learning the VI Editor", - * Fifth Edition, May 1992. There's no way of knowing what systems they are - * actually from. - * - * HPUX noted options and abbreviations are from "The Ultimate Guide to the - * VI and EX Text Editors", 1990. - */ -OPTLIST const optlist[] = { -/* O_ALTWERASE 4.4BSD */ - {"altwerase", f_altwerase, OPT_0BOOL, 0}, -/* O_AUTOINDENT 4BSD */ - {"autoindent", NULL, OPT_0BOOL, 0}, -/* O_AUTOPRINT 4BSD */ - {"autoprint", NULL, OPT_1BOOL, 0}, -/* O_AUTOWRITE 4BSD */ - {"autowrite", NULL, OPT_0BOOL, 0}, -/* O_BACKUP 4.4BSD */ - {"backup", NULL, OPT_STR, 0}, -/* O_BEAUTIFY 4BSD */ - {"beautify", NULL, OPT_0BOOL, 0}, -/* O_CDPATH 4.4BSD */ - {"cdpath", NULL, OPT_STR, 0}, -/* O_CEDIT 4.4BSD */ - {"cedit", NULL, OPT_STR, 0}, -/* O_COLUMNS 4.4BSD */ - {"columns", f_columns, OPT_NUM, OPT_NOSAVE}, -/* O_COMMENT 4.4BSD */ - {"comment", NULL, OPT_0BOOL, 0}, -/* O_DIRECTORY 4BSD */ - {"directory", NULL, OPT_STR, 0}, -/* O_EDCOMPATIBLE 4BSD */ - {"edcompatible",NULL, OPT_0BOOL, 0}, -/* O_ESCAPETIME 4.4BSD */ - {"escapetime", NULL, OPT_NUM, 0}, -/* O_ERRORBELLS 4BSD */ - {"errorbells", NULL, OPT_0BOOL, 0}, -/* O_EXRC System V (undocumented) */ - {"exrc", NULL, OPT_0BOOL, 0}, -/* O_EXTENDED 4.4BSD */ - {"extended", f_recompile, OPT_0BOOL, 0}, -/* O_FILEC 4.4BSD */ - {"filec", NULL, OPT_STR, 0}, -/* O_FLASH HPUX */ - {"flash", NULL, OPT_1BOOL, 0}, -/* O_HARDTABS 4BSD */ - {"hardtabs", NULL, OPT_NUM, 0}, -/* O_ICLOWER 4.4BSD */ - {"iclower", f_recompile, OPT_0BOOL, 0}, -/* O_IGNORECASE 4BSD */ - {"ignorecase", f_recompile, OPT_0BOOL, 0}, -/* O_KEYTIME 4.4BSD */ - {"keytime", NULL, OPT_NUM, 0}, -/* O_LEFTRIGHT 4.4BSD */ - {"leftright", f_reformat, OPT_0BOOL, 0}, -/* O_LINES 4.4BSD */ - {"lines", f_lines, OPT_NUM, OPT_NOSAVE}, -/* O_LISP 4BSD - * XXX - * When the lisp option is implemented, delete the OPT_NOSAVE flag, - * so that :mkexrc dumps it. - */ - {"lisp", f_lisp, OPT_0BOOL, OPT_NOSAVE}, -/* O_LIST 4BSD */ - {"list", f_reformat, OPT_0BOOL, 0}, -/* O_LOCKFILES 4.4BSD - * XXX - * Locking isn't reliable enough over NFS to require it, in addition, - * it's a serious startup performance problem over some remote links. - */ - {"lock", NULL, OPT_1BOOL, 0}, -/* O_MAGIC 4BSD */ - {"magic", NULL, OPT_1BOOL, 0}, -/* O_MATCHTIME 4.4BSD */ - {"matchtime", NULL, OPT_NUM, 0}, -/* O_MESG 4BSD */ - {"mesg", NULL, OPT_1BOOL, 0}, -/* O_MODELINE 4BSD - * !!! - * This has been documented in historical systems as both "modeline" - * and as "modelines". Regardless of the name, this option represents - * a security problem of mammoth proportions, not to mention a stunning - * example of what your intro CS professor referred to as the perils of - * mixing code and data. Don't add it, or I will kill you. - */ - {"modeline", NULL, OPT_0BOOL, OPT_NOSET}, -/* O_MSGCAT 4.4BSD */ - {"msgcat", f_msgcat, OPT_STR, 0}, -/* O_NOPRINT 4.4BSD */ - {"noprint", f_print, OPT_STR, 0}, -/* O_NUMBER 4BSD */ - {"number", f_reformat, OPT_0BOOL, 0}, -/* O_OCTAL 4.4BSD */ - {"octal", f_print, OPT_0BOOL, 0}, -/* O_OPEN 4BSD */ - {"open", NULL, OPT_1BOOL, 0}, -/* O_OPTIMIZE 4BSD */ - {"optimize", NULL, OPT_1BOOL, 0}, -/* O_PARAGRAPHS 4BSD */ - {"paragraphs", f_paragraph, OPT_STR, 0}, -/* O_PATH 4.4BSD */ - {"path", NULL, OPT_STR, 0}, -/* O_PRINT 4.4BSD */ - {"print", f_print, OPT_STR, 0}, -/* O_PROMPT 4BSD */ - {"prompt", NULL, OPT_1BOOL, 0}, -/* O_READONLY 4BSD (undocumented) */ - {"readonly", f_readonly, OPT_0BOOL, OPT_ALWAYS}, -/* O_RECDIR 4.4BSD */ - {"recdir", NULL, OPT_STR, 0}, -/* O_REDRAW 4BSD */ - {"redraw", NULL, OPT_0BOOL, 0}, -/* O_REMAP 4BSD */ - {"remap", NULL, OPT_1BOOL, 0}, -/* O_REPORT 4BSD */ - {"report", NULL, OPT_NUM, 0}, -/* O_RULER 4.4BSD */ - {"ruler", NULL, OPT_0BOOL, 0}, -/* O_SCROLL 4BSD */ - {"scroll", NULL, OPT_NUM, 0}, -/* O_SEARCHINCR 4.4BSD */ - {"searchincr", NULL, OPT_0BOOL, 0}, -/* O_SECTIONS 4BSD */ - {"sections", f_section, OPT_STR, 0}, -/* O_SECURE 4.4BSD */ - {"secure", NULL, OPT_0BOOL, OPT_NOUNSET}, -/* O_SHELL 4BSD */ - {"shell", NULL, OPT_STR, 0}, -/* O_SHELLMETA 4.4BSD */ - {"shellmeta", NULL, OPT_STR, 0}, -/* O_SHIFTWIDTH 4BSD */ - {"shiftwidth", NULL, OPT_NUM, OPT_NOZERO}, -/* O_SHOWMATCH 4BSD */ - {"showmatch", NULL, OPT_0BOOL, 0}, -/* O_SHOWMODE 4.4BSD */ - {"showmode", NULL, OPT_0BOOL, 0}, -/* O_SIDESCROLL 4.4BSD */ - {"sidescroll", NULL, OPT_NUM, OPT_NOZERO}, -/* O_SLOWOPEN 4BSD */ - {"slowopen", NULL, OPT_0BOOL, 0}, -/* O_SOURCEANY 4BSD (undocumented) - * !!! - * Historic vi, on startup, source'd $HOME/.exrc and ./.exrc, if they - * were owned by the user. The sourceany option was an undocumented - * feature of historic vi which permitted the startup source'ing of - * .exrc files the user didn't own. This is an obvious security problem, - * and we ignore the option. - */ - {"sourceany", NULL, OPT_0BOOL, OPT_NOSET}, -/* O_TABSTOP 4BSD */ - {"tabstop", f_reformat, OPT_NUM, OPT_NOZERO}, -/* O_TAGLENGTH 4BSD */ - {"taglength", NULL, OPT_NUM, 0}, -/* O_TAGS 4BSD */ - {"tags", NULL, OPT_STR, 0}, -/* O_TERM 4BSD - * !!! - * By default, the historic vi always displayed information about two - * options, redraw and term. Term seems sufficient. - */ - {"term", NULL, OPT_STR, OPT_ADISP|OPT_NOSAVE}, -/* O_TERSE 4BSD */ - {"terse", NULL, OPT_0BOOL, 0}, -/* O_TILDEOP 4.4BSD */ - {"tildeop", NULL, OPT_0BOOL, 0}, -/* O_TIMEOUT 4BSD (undocumented) */ - {"timeout", NULL, OPT_1BOOL, 0}, -/* O_TTYWERASE 4.4BSD */ - {"ttywerase", f_ttywerase, OPT_0BOOL, 0}, -/* O_VERBOSE 4.4BSD */ - {"verbose", NULL, OPT_0BOOL, 0}, -/* O_W1200 4BSD */ - {"w1200", f_w1200, OPT_NUM, OPT_NDISP|OPT_NOSAVE}, -/* O_W300 4BSD */ - {"w300", f_w300, OPT_NUM, OPT_NDISP|OPT_NOSAVE}, -/* O_W9600 4BSD */ - {"w9600", f_w9600, OPT_NUM, OPT_NDISP|OPT_NOSAVE}, -/* O_WARN 4BSD */ - {"warn", NULL, OPT_1BOOL, 0}, -/* O_WINDOW 4BSD */ - {"window", f_window, OPT_NUM, 0}, -/* O_WINDOWNAME 4BSD */ - {"windowname", NULL, OPT_0BOOL, 0}, -/* O_WRAPLEN 4.4BSD */ - {"wraplen", NULL, OPT_NUM, 0}, -/* O_WRAPMARGIN 4BSD */ - {"wrapmargin", NULL, OPT_NUM, 0}, -/* O_WRAPSCAN 4BSD */ - {"wrapscan", NULL, OPT_1BOOL, 0}, -/* O_WRITEANY 4BSD */ - {"writeany", NULL, OPT_0BOOL, 0}, - {NULL}, -}; - -typedef struct abbrev { - char *name; - int offset; -} OABBREV; - -static OABBREV const abbrev[] = { - {"ai", O_AUTOINDENT}, /* 4BSD */ - {"ap", O_AUTOPRINT}, /* 4BSD */ - {"aw", O_AUTOWRITE}, /* 4BSD */ - {"bf", O_BEAUTIFY}, /* 4BSD */ - {"co", O_COLUMNS}, /* 4.4BSD */ - {"dir", O_DIRECTORY}, /* 4BSD */ - {"eb", O_ERRORBELLS}, /* 4BSD */ - {"ed", O_EDCOMPATIBLE}, /* 4BSD */ - {"ex", O_EXRC}, /* System V (undocumented) */ - {"ht", O_HARDTABS}, /* 4BSD */ - {"ic", O_IGNORECASE}, /* 4BSD */ - {"li", O_LINES}, /* 4.4BSD */ - {"modelines", O_MODELINE}, /* HPUX */ - {"nu", O_NUMBER}, /* 4BSD */ - {"opt", O_OPTIMIZE}, /* 4BSD */ - {"para", O_PARAGRAPHS}, /* 4BSD */ - {"re", O_REDRAW}, /* O'Reilly */ - {"ro", O_READONLY}, /* 4BSD (undocumented) */ - {"scr", O_SCROLL}, /* 4BSD (undocumented) */ - {"sect", O_SECTIONS}, /* O'Reilly */ - {"sh", O_SHELL}, /* 4BSD */ - {"slow", O_SLOWOPEN}, /* 4BSD */ - {"sm", O_SHOWMATCH}, /* 4BSD */ - {"smd", O_SHOWMODE}, /* 4BSD */ - {"sw", O_SHIFTWIDTH}, /* 4BSD */ - {"tag", O_TAGS}, /* 4BSD (undocumented) */ - {"tl", O_TAGLENGTH}, /* 4BSD */ - {"to", O_TIMEOUT}, /* 4BSD (undocumented) */ - {"ts", O_TABSTOP}, /* 4BSD */ - {"tty", O_TERM}, /* 4BSD (undocumented) */ - {"ttytype", O_TERM}, /* 4BSD (undocumented) */ - {"w", O_WINDOW}, /* O'Reilly */ - {"wa", O_WRITEANY}, /* 4BSD */ - {"wi", O_WINDOW}, /* 4BSD (undocumented) */ - {"wl", O_WRAPLEN}, /* 4.4BSD */ - {"wm", O_WRAPMARGIN}, /* 4BSD */ - {"ws", O_WRAPSCAN}, /* 4BSD */ - {NULL}, -}; - -/* - * opts_init -- - * Initialize some of the options. - * - * PUBLIC: int opts_init __P((SCR *, int *)); - */ -int -opts_init(sp, oargs) - SCR *sp; - int *oargs; -{ - ARGS *argv[2], a, b; - OPTLIST const *op; - u_long v; - int cnt, optindx; - char *s, b1[1024]; - - a.bp = b1; - b.bp = NULL; - a.len = b.len = 0; - argv[0] = &a; - argv[1] = &b; - - /* Set numeric and string default values. */ -#define OI(indx, str) { \ - if (str != b1) /* GCC puts strings in text-space. */ \ - (void)strcpy(b1, str); \ - a.len = strlen(b1); \ - if (opts_set(sp, argv, NULL)) { \ - optindx = indx; \ - goto err; \ - } \ -} - /* - * Indirect global options to global space. Specifically, set up - * terminal, lines, columns first, they're used by other options. - * Note, don't set the flags until we've set up the indirection. - */ - if (o_set(sp, O_TERM, 0, NULL, GO_TERM)) - goto err; - F_SET(&sp->opts[O_TERM], OPT_GLOBAL); - if (o_set(sp, O_LINES, 0, NULL, GO_LINES)) - goto err; - F_SET(&sp->opts[O_LINES], OPT_GLOBAL); - if (o_set(sp, O_COLUMNS, 0, NULL, GO_COLUMNS)) - goto err; - F_SET(&sp->opts[O_COLUMNS], OPT_GLOBAL); - if (o_set(sp, O_SECURE, 0, NULL, GO_SECURE)) - goto err; - F_SET(&sp->opts[O_SECURE], OPT_GLOBAL); - - /* Initialize string values. */ - (void)snprintf(b1, sizeof(b1), - "cdpath=%s", (s = getenv("CDPATH")) == NULL ? ":" : s); - OI(O_CDPATH, b1); - - /* - * !!! - * Vi historically stored temporary files in /var/tmp. We store them - * in /tmp by default, hoping it's a memory based file system. There - * are two ways to change this -- the user can set either the directory - * option or the TMPDIR environmental variable. - */ - (void)snprintf(b1, sizeof(b1), - "directory=%s", (s = getenv("TMPDIR")) == NULL ? _PATH_TMP : s); - OI(O_DIRECTORY, b1); - OI(O_ESCAPETIME, "escapetime=1"); - OI(O_KEYTIME, "keytime=6"); - OI(O_MATCHTIME, "matchtime=7"); - (void)snprintf(b1, sizeof(b1), "msgcat=%s", _PATH_MSGCAT); - OI(O_MSGCAT, b1); - OI(O_REPORT, "report=5"); - OI(O_PARAGRAPHS, "paragraphs=IPLPPPQPP LIpplpipbp"); - (void)snprintf(b1, sizeof(b1), "path=%s", ""); - OI(O_PATH, b1); - (void)snprintf(b1, sizeof(b1), "recdir=%s", _PATH_PRESERVE); - OI(O_RECDIR, b1); - OI(O_SECTIONS, "sections=NHSHH HUnhsh"); - (void)snprintf(b1, sizeof(b1), - "shell=%s", (s = getenv("SHELL")) == NULL ? _PATH_BSHELL : s); - OI(O_SHELL, b1); - OI(O_SHELLMETA, "shellmeta=~{[*?$`'\"\\"); - OI(O_SHIFTWIDTH, "shiftwidth=8"); - OI(O_SIDESCROLL, "sidescroll=16"); - OI(O_TABSTOP, "tabstop=8"); - (void)snprintf(b1, sizeof(b1), "tags=%s", _PATH_TAGS); - OI(O_TAGS, b1); - - /* - * XXX - * Initialize O_SCROLL here, after term; initializing term should - * have created a LINES/COLUMNS value. - */ - if ((v = (O_VAL(sp, O_LINES) - 1) / 2) == 0) - v = 1; - (void)snprintf(b1, sizeof(b1), "scroll=%ld", v); - OI(O_SCROLL, b1); - - /* - * The default window option values are: - * 8 if baud rate <= 600 - * 16 if baud rate <= 1200 - * LINES - 1 if baud rate > 1200 - * - * Note, the windows option code will correct any too-large value - * or when the O_LINES value is 1. - */ - if (sp->gp->scr_baud(sp, &v)) - return (1); - if (v <= 600) - v = 8; - else if (v <= 1200) - v = 16; - else - v = O_VAL(sp, O_LINES) - 1; - (void)snprintf(b1, sizeof(b1), "window=%lu", v); - OI(O_WINDOW, b1); - - /* - * Set boolean default values, and copy all settings into the default - * information. OS_NOFREE is set, we're copying, not replacing. - */ - for (op = optlist, cnt = 0; op->name != NULL; ++op, ++cnt) - switch (op->type) { - case OPT_0BOOL: - break; - case OPT_1BOOL: - O_SET(sp, cnt); - O_D_SET(sp, cnt); - break; - case OPT_NUM: - o_set(sp, cnt, OS_DEF, NULL, O_VAL(sp, cnt)); - break; - case OPT_STR: - if (O_STR(sp, cnt) != NULL && o_set(sp, cnt, - OS_DEF | OS_NOFREE | OS_STRDUP, O_STR(sp, cnt), 0)) - goto err; - break; - default: - abort(); - } - - /* - * !!! - * Some options can be initialized by the command name or the - * command-line arguments. They don't set the default values, - * it's historic practice. - */ - for (; *oargs != -1; ++oargs) - OI(*oargs, optlist[*oargs].name); - return (0); -#undef OI - -err: msgq(sp, M_ERR, - "031|Unable to set default %s option", optlist[optindx].name); - return (1); -} - -/* - * opts_set -- - * Change the values of one or more options. - * - * PUBLIC: int opts_set __P((SCR *, ARGS *[], char *)); - */ -int -opts_set(sp, argv, usage) - SCR *sp; - ARGS *argv[]; - char *usage; -{ - enum optdisp disp; - enum nresult nret; - OPTLIST const *op; - OPTION *spo; - u_long value, turnoff; - int ch, equals, nf, nf2, offset, qmark, rval; - char *endp, *name, *p, *sep, *t; - - disp = NO_DISPLAY; - for (rval = 0; argv[0]->len != 0; ++argv) { - /* - * The historic vi dumped the options for each occurrence of - * "all" in the set list. Puhleeze. - */ - if (!strcmp(argv[0]->bp, "all")) { - disp = ALL_DISPLAY; - continue; - } - - /* Find equals sign or question mark. */ - for (sep = NULL, equals = qmark = 0, - p = name = argv[0]->bp; (ch = *p) != '\0'; ++p) - if (ch == '=' || ch == '?') { - if (p == name) { - if (usage != NULL) - msgq(sp, M_ERR, - "032|Usage: %s", usage); - return (1); - } - sep = p; - if (ch == '=') - equals = 1; - else - qmark = 1; - break; - } - - turnoff = 0; - op = NULL; - if (sep != NULL) - *sep++ = '\0'; - - /* Search for the name, then name without any leading "no". */ - if ((op = opts_search(name)) == NULL && - name[0] == 'n' && name[1] == 'o') { - turnoff = 1; - name += 2; - op = opts_search(name); - } - if (op == NULL) { - opts_nomatch(sp, name); - rval = 1; - continue; - } - - /* Find current option values. */ - offset = op - optlist; - spo = sp->opts + offset; - - /* - * !!! - * Historically, the question mark could be a separate - * argument. - */ - if (!equals && !qmark && - argv[1]->len == 1 && argv[1]->bp[0] == '?') { - ++argv; - qmark = 1; - } - - /* Set name, value. */ - switch (op->type) { - case OPT_0BOOL: - case OPT_1BOOL: - /* Some options may not be reset. */ - if (F_ISSET(op, OPT_NOUNSET) && turnoff) { - msgq_str(sp, M_ERR, name, - "291|set: the %s option may not be turned off"); - rval = 1; - break; - } - - /* Some options may not be set. */ - if (F_ISSET(op, OPT_NOSET) && !turnoff) { - msgq_str(sp, M_ERR, name, - "313|set: the %s option may never be turned on"); - rval = 1; - break; - } - - if (equals) { - msgq_str(sp, M_ERR, name, - "034|set: [no]%s option doesn't take a value"); - rval = 1; - break; - } - if (qmark) { - if (!disp) - disp = SELECT_DISPLAY; - F_SET(spo, OPT_SELECTED); - break; - } - - /* - * Do nothing if the value is unchanged, the underlying - * functions can be expensive. - */ - if (!F_ISSET(op, OPT_ALWAYS)) - if (turnoff) { - if (!O_ISSET(sp, offset)) - break; - } else { - if (O_ISSET(sp, offset)) - break; - } - - /* Report to subsystems. */ - if (op->func != NULL && - op->func(sp, spo, NULL, &turnoff) || - ex_optchange(sp, offset, NULL, &turnoff) || - v_optchange(sp, offset, NULL, &turnoff) || - sp->gp->scr_optchange(sp, offset, NULL, &turnoff)) { - rval = 1; - break; - } - - /* Set the value. */ - if (turnoff) - O_CLR(sp, offset); - else - O_SET(sp, offset); - break; - case OPT_NUM: - if (turnoff) { - msgq_str(sp, M_ERR, name, - "035|set: %s option isn't a boolean"); - rval = 1; - break; - } - if (qmark || !equals) { - if (!disp) - disp = SELECT_DISPLAY; - F_SET(spo, OPT_SELECTED); - break; - } - - if (!isdigit(sep[0])) - goto badnum; - if ((nret = - nget_uslong(&value, sep, &endp, 10)) != NUM_OK) { - p = msg_print(sp, name, &nf); - t = msg_print(sp, sep, &nf2); - switch (nret) { - case NUM_ERR: - msgq(sp, M_SYSERR, - "036|set: %s option: %s", p, t); - break; - case NUM_OVER: - msgq(sp, M_ERR, - "037|set: %s option: %s: value overflow", p, t); - break; - case NUM_OK: - case NUM_UNDER: - abort(); - } - if (nf) - FREE_SPACE(sp, p, 0); - if (nf2) - FREE_SPACE(sp, t, 0); - rval = 1; - break; - } - if (*endp && !isblank(*endp)) { -badnum: p = msg_print(sp, name, &nf); - t = msg_print(sp, sep, &nf2); - msgq(sp, M_ERR, - "038|set: %s option: %s is an illegal number", p, t); - if (nf) - FREE_SPACE(sp, p, 0); - if (nf2) - FREE_SPACE(sp, t, 0); - rval = 1; - break; - } - - /* Some options may never be set to zero. */ - if (F_ISSET(op, OPT_NOZERO) && value == 0) { - msgq_str(sp, M_ERR, name, - "314|set: the %s option may never be set to 0"); - rval = 1; - break; - } - - /* - * Do nothing if the value is unchanged, the underlying - * functions can be expensive. - */ - if (!F_ISSET(op, OPT_ALWAYS) && - O_VAL(sp, offset) == value) - break; - - /* Report to subsystems. */ - if (op->func != NULL && - op->func(sp, spo, sep, &value) || - ex_optchange(sp, offset, sep, &value) || - v_optchange(sp, offset, sep, &value) || - sp->gp->scr_optchange(sp, offset, sep, &value)) { - rval = 1; - break; - } - - /* Set the value. */ - if (o_set(sp, offset, 0, NULL, value)) - rval = 1; - break; - case OPT_STR: - if (turnoff) { - msgq_str(sp, M_ERR, name, - "039|set: %s option isn't a boolean"); - rval = 1; - break; - } - if (qmark || !equals) { - if (!disp) - disp = SELECT_DISPLAY; - F_SET(spo, OPT_SELECTED); - break; - } - - /* - * Do nothing if the value is unchanged, the underlying - * functions can be expensive. - */ - if (!F_ISSET(op, OPT_ALWAYS) && - O_STR(sp, offset) != NULL && - !strcmp(O_STR(sp, offset), sep)) - break; - - /* Report to subsystems. */ - if (op->func != NULL && - op->func(sp, spo, sep, NULL) || - ex_optchange(sp, offset, sep, NULL) || - v_optchange(sp, offset, sep, NULL) || - sp->gp->scr_optchange(sp, offset, sep, NULL)) { - rval = 1; - break; - } - - /* Set the value. */ - if (o_set(sp, offset, OS_STRDUP, sep, 0)) - rval = 1; - break; - default: - abort(); - } - } - if (disp != NO_DISPLAY) - opts_dump(sp, disp); - return (rval); -} - -/* - * o_set -- - * Set an option's value. - * - * PUBLIC: int o_set __P((SCR *, int, u_int, char *, u_long)); - */ -int -o_set(sp, opt, flags, str, val) - SCR *sp; - int opt; - u_int flags; - char *str; - u_long val; -{ - OPTION *op; - - /* Set a pointer to the options area. */ - op = F_ISSET(&sp->opts[opt], OPT_GLOBAL) ? - &sp->gp->opts[sp->opts[opt].o_cur.val] : &sp->opts[opt]; - - /* Copy the string, if requested. */ - if (LF_ISSET(OS_STRDUP) && (str = strdup(str)) == NULL) { - msgq(sp, M_SYSERR, NULL); - return (1); - } - - /* Free the previous string, if requested, and set the value. */ - if LF_ISSET(OS_DEF) - if (LF_ISSET(OS_STR | OS_STRDUP)) { - if (!LF_ISSET(OS_NOFREE) && op->o_def.str != NULL) - free(op->o_def.str); - op->o_def.str = str; - } else - op->o_def.val = val; - else - if (LF_ISSET(OS_STR | OS_STRDUP)) { - if (!LF_ISSET(OS_NOFREE) && op->o_cur.str != NULL) - free(op->o_cur.str); - op->o_cur.str = str; - } else - op->o_cur.val = val; - return (0); -} - -/* - * opts_empty -- - * Return 1 if the string option is invalid, 0 if it's OK. - * - * PUBLIC: int opts_empty __P((SCR *, int, int)); - */ -int -opts_empty(sp, off, silent) - SCR *sp; - int off, silent; -{ - char *p; - - if ((p = O_STR(sp, off)) == NULL || p[0] == '\0') { - if (!silent) - msgq_str(sp, M_ERR, optlist[off].name, - "305|No %s edit option specified"); - return (1); - } - return (0); -} - -/* - * opts_dump -- - * List the current values of selected options. - * - * PUBLIC: void opts_dump __P((SCR *, enum optdisp)); - */ -void -opts_dump(sp, type) - SCR *sp; - enum optdisp type; -{ - OPTLIST const *op; - int base, b_num, cnt, col, colwidth, curlen, s_num; - int numcols, numrows, row; - int b_op[O_OPTIONCOUNT], s_op[O_OPTIONCOUNT]; - char nbuf[20]; - - /* - * Options are output in two groups -- those that fit in a column and - * those that don't. Output is done on 6 character "tab" boundaries - * for no particular reason. (Since we don't output tab characters, - * we can ignore the terminal's tab settings.) Ignore the user's tab - * setting because we have no idea how reasonable it is. - * - * Find a column width we can live with, testing from 10 columns to 1. - */ - for (numcols = 10; numcols > 1; --numcols) { - colwidth = sp->cols / numcols & ~(STANDARD_TAB - 1); - if (colwidth >= 10) { - colwidth = - (colwidth + STANDARD_TAB) & ~(STANDARD_TAB - 1); - numcols = sp->cols / colwidth; - break; - } - colwidth = 0; - } - - /* - * Get the set of options to list, entering them into - * the column list or the overflow list. - */ - for (b_num = s_num = 0, op = optlist; op->name != NULL; ++op) { - cnt = op - optlist; - - /* If OPT_NDISP set, it's never displayed. */ - if (F_ISSET(op, OPT_NDISP)) - continue; - - switch (type) { - case ALL_DISPLAY: /* Display all. */ - break; - case CHANGED_DISPLAY: /* Display changed. */ - /* If OPT_ADISP set, it's always "changed". */ - if (F_ISSET(op, OPT_ADISP)) - break; - switch (op->type) { - case OPT_0BOOL: - case OPT_1BOOL: - case OPT_NUM: - if (O_VAL(sp, cnt) == O_D_VAL(sp, cnt)) - continue; - break; - case OPT_STR: - if (O_STR(sp, cnt) == O_D_STR(sp, cnt) || - O_D_STR(sp, cnt) != NULL && - !strcmp(O_STR(sp, cnt), O_D_STR(sp, cnt))) - continue; - break; - } - break; - case SELECT_DISPLAY: /* Display selected. */ - if (!F_ISSET(&sp->opts[cnt], OPT_SELECTED)) - continue; - break; - default: - case NO_DISPLAY: - abort(); - } - F_CLR(&sp->opts[cnt], OPT_SELECTED); - - curlen = strlen(op->name); - switch (op->type) { - case OPT_0BOOL: - case OPT_1BOOL: - if (!O_ISSET(sp, cnt)) - curlen += 2; - break; - case OPT_NUM: - (void)snprintf(nbuf, - sizeof(nbuf), "%ld", O_VAL(sp, cnt)); - curlen += strlen(nbuf); - break; - case OPT_STR: - if (O_STR(sp, cnt) != NULL) - curlen += strlen(O_STR(sp, cnt)); - curlen += 3; - break; - } - /* Offset by 2 so there's a gap. */ - if (curlen <= colwidth - 2) - s_op[s_num++] = cnt; - else - b_op[b_num++] = cnt; - } - - if (s_num > 0) { - /* Figure out the number of rows. */ - if (s_num > numcols) { - numrows = s_num / numcols; - if (s_num % numcols) - ++numrows; - } else - numrows = 1; - - /* Display the options in sorted order. */ - for (row = 0; row < numrows;) { - for (base = row, col = 0; col < numcols; ++col) { - cnt = opts_print(sp, &optlist[s_op[base]]); - if ((base += numrows) >= s_num) - break; - (void)ex_printf(sp, "%*s", - (int)(colwidth - cnt), ""); - } - if (++row < numrows || b_num) - (void)ex_puts(sp, "\n"); - } - } - - for (row = 0; row < b_num;) { - (void)opts_print(sp, &optlist[b_op[row]]); - if (++row < b_num) - (void)ex_puts(sp, "\n"); - } - (void)ex_puts(sp, "\n"); -} - -/* - * opts_print -- - * Print out an option. - */ -static int -opts_print(sp, op) - SCR *sp; - OPTLIST const *op; -{ - int curlen, offset; - - curlen = 0; - offset = op - optlist; - switch (op->type) { - case OPT_0BOOL: - case OPT_1BOOL: - curlen += ex_printf(sp, - "%s%s", O_ISSET(sp, offset) ? "" : "no", op->name); - break; - case OPT_NUM: - curlen += ex_printf(sp, "%s=%ld", op->name, O_VAL(sp, offset)); - break; - case OPT_STR: - curlen += ex_printf(sp, "%s=\"%s\"", op->name, - O_STR(sp, offset) == NULL ? "" : O_STR(sp, offset)); - break; - } - return (curlen); -} - -/* - * opts_save -- - * Write the current configuration to a file. - * - * PUBLIC: int opts_save __P((SCR *, FILE *)); - */ -int -opts_save(sp, fp) - SCR *sp; - FILE *fp; -{ - OPTLIST const *op; - int ch, cnt; - char *p; - - for (op = optlist; op->name != NULL; ++op) { - if (F_ISSET(op, OPT_NOSAVE)) - continue; - cnt = op - optlist; - switch (op->type) { - case OPT_0BOOL: - case OPT_1BOOL: - if (O_ISSET(sp, cnt)) - (void)fprintf(fp, "set %s\n", op->name); - else - (void)fprintf(fp, "set no%s\n", op->name); - break; - case OPT_NUM: - (void)fprintf(fp, - "set %s=%-3ld\n", op->name, O_VAL(sp, cnt)); - break; - case OPT_STR: - if (O_STR(sp, cnt) == NULL) - break; - (void)fprintf(fp, "set "); - for (p = op->name; (ch = *p) != '\0'; ++p) { - if (isblank(ch) || ch == '\\') - (void)putc('\\', fp); - (void)putc(ch, fp); - } - (void)putc('=', fp); - for (p = O_STR(sp, cnt); (ch = *p) != '\0'; ++p) { - if (isblank(ch) || ch == '\\') - (void)putc('\\', fp); - (void)putc(ch, fp); - } - (void)putc('\n', fp); - break; - } - if (ferror(fp)) { - msgq(sp, M_SYSERR, NULL); - return (1); - } - } - return (0); -} - -/* - * opts_search -- - * Search for an option. - * - * PUBLIC: OPTLIST const *opts_search __P((char *)); - */ -OPTLIST const * -opts_search(name) - char *name; -{ - OPTLIST const *op, *found; - OABBREV atmp, *ap; - OPTLIST otmp; - size_t len; - - /* Check list of abbreviations. */ - atmp.name = name; - if ((ap = bsearch(&atmp, abbrev, sizeof(abbrev) / sizeof(OABBREV) - 1, - sizeof(OABBREV), opts_abbcmp)) != NULL) - return (optlist + ap->offset); - - /* Check list of options. */ - otmp.name = name; - if ((op = bsearch(&otmp, optlist, sizeof(optlist) / sizeof(OPTLIST) - 1, - sizeof(OPTLIST), opts_cmp)) != NULL) - return (op); - - /* - * Check to see if the name is the prefix of one (and only one) - * option. If so, return the option. - */ - len = strlen(name); - for (found = NULL, op = optlist; op->name != NULL; ++op) { - if (op->name[0] < name[0]) - continue; - if (op->name[0] > name[0]) - break; - if (!memcmp(op->name, name, len)) { - if (found != NULL) - return (NULL); - found = op; - } - } - return (found); -} - -/* - * opts_nomatch -- - * Standard nomatch error message for options. - * - * PUBLIC: void opts_nomatch __P((SCR *, char *)); - */ -void -opts_nomatch(sp, name) - SCR *sp; - char *name; -{ - msgq_str(sp, M_ERR, name, - "033|set: no %s option: 'set all' gives all option values"); -} - -static int -opts_abbcmp(a, b) - const void *a, *b; -{ - return(strcmp(((OABBREV *)a)->name, ((OABBREV *)b)->name)); -} - -static int -opts_cmp(a, b) - const void *a, *b; -{ - return(strcmp(((OPTLIST *)a)->name, ((OPTLIST *)b)->name)); -} - -/* - * opts_copy -- - * Copy a screen's OPTION array. - * - * PUBLIC: int opts_copy __P((SCR *, SCR *)); - */ -int -opts_copy(orig, sp) - SCR *orig, *sp; -{ - int cnt, rval; - - /* Copy most everything without change. */ - memcpy(sp->opts, orig->opts, sizeof(orig->opts)); - - /* Copy the string edit options. */ - for (cnt = rval = 0; cnt < O_OPTIONCOUNT; ++cnt) { - if (optlist[cnt].type != OPT_STR || - F_ISSET(&optlist[cnt], OPT_GLOBAL)) - continue; - /* - * If never set, or already failed, NULL out the entries -- - * have to continue after failure, otherwise would have two - * screens referencing the same memory. - */ - if (rval || O_STR(sp, cnt) == NULL) { - o_set(sp, cnt, OS_NOFREE | OS_STR, NULL, 0); - o_set(sp, cnt, OS_DEF | OS_NOFREE | OS_STR, NULL, 0); - continue; - } - - /* Copy the current string. */ - if (o_set(sp, cnt, OS_NOFREE | OS_STRDUP, O_STR(sp, cnt), 0)) { - o_set(sp, cnt, OS_DEF | OS_NOFREE | OS_STR, NULL, 0); - goto nomem; - } - - /* Copy the default string. */ - if (O_D_STR(sp, cnt) != NULL && o_set(sp, cnt, - OS_DEF | OS_NOFREE | OS_STRDUP, O_D_STR(sp, cnt), 0)) { -nomem: msgq(orig, M_SYSERR, NULL); - rval = 1; - } - } - return (rval); -} - -/* - * opts_free -- - * Free all option strings - * - * PUBLIC: void opts_free __P((SCR *)); - */ -void -opts_free(sp) - SCR *sp; -{ - int cnt; - - for (cnt = 0; cnt < O_OPTIONCOUNT; ++cnt) { - if (optlist[cnt].type != OPT_STR || - F_ISSET(&optlist[cnt], OPT_GLOBAL)) - continue; - if (O_STR(sp, cnt) != NULL) - free(O_STR(sp, cnt)); - if (O_D_STR(sp, cnt) != NULL) - free(O_D_STR(sp, cnt)); - } -} |