1149 lines
28 KiB
C
1149 lines
28 KiB
C
/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1991, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)options.c 10.51 (Berkeley) 10/14/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "common.h"
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#include "../vi/vi.h"
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#include "pathnames.h"
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static int opts_abbcmp __P((const void *, const void *));
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static int opts_cmp __P((const void *, const void *));
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static int opts_print __P((SCR *, OPTLIST const *));
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/*
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* O'Reilly noted options and abbreviations are from "Learning the VI Editor",
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* Fifth Edition, May 1992. There's no way of knowing what systems they are
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* actually from.
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*
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* HPUX noted options and abbreviations are from "The Ultimate Guide to the
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* VI and EX Text Editors", 1990.
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*/
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OPTLIST const optlist[] = {
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/* O_ALTWERASE 4.4BSD */
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{"altwerase", f_altwerase, OPT_0BOOL, 0},
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/* O_AUTOINDENT 4BSD */
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{"autoindent", NULL, OPT_0BOOL, 0},
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/* O_AUTOPRINT 4BSD */
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{"autoprint", NULL, OPT_1BOOL, 0},
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/* O_AUTOWRITE 4BSD */
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{"autowrite", NULL, OPT_0BOOL, 0},
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/* O_BACKUP 4.4BSD */
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{"backup", NULL, OPT_STR, 0},
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/* O_BEAUTIFY 4BSD */
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{"beautify", NULL, OPT_0BOOL, 0},
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/* O_CDPATH 4.4BSD */
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{"cdpath", NULL, OPT_STR, 0},
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/* O_CEDIT 4.4BSD */
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{"cedit", NULL, OPT_STR, 0},
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/* O_COLUMNS 4.4BSD */
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{"columns", f_columns, OPT_NUM, OPT_NOSAVE},
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/* O_COMMENT 4.4BSD */
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{"comment", NULL, OPT_0BOOL, 0},
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/* O_DIRECTORY 4BSD */
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{"directory", NULL, OPT_STR, 0},
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/* O_EDCOMPATIBLE 4BSD */
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{"edcompatible",NULL, OPT_0BOOL, 0},
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/* O_ESCAPETIME 4.4BSD */
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{"escapetime", NULL, OPT_NUM, 0},
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/* O_ERRORBELLS 4BSD */
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{"errorbells", NULL, OPT_0BOOL, 0},
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/* O_EXRC System V (undocumented) */
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{"exrc", NULL, OPT_0BOOL, 0},
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/* O_EXTENDED 4.4BSD */
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{"extended", f_recompile, OPT_0BOOL, 0},
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/* O_FILEC 4.4BSD */
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{"filec", NULL, OPT_STR, 0},
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/* O_FLASH HPUX */
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{"flash", NULL, OPT_1BOOL, 0},
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#ifdef GTAGS
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/* O_GTAGSMODE FreeBSD2.2 */
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{"gtagsmode", NULL, OPT_0BOOL, 0},
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#endif
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/* O_HARDTABS 4BSD */
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{"hardtabs", NULL, OPT_NUM, 0},
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/* O_ICLOWER 4.4BSD */
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{"iclower", f_recompile, OPT_0BOOL, 0},
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/* O_IGNORECASE 4BSD */
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{"ignorecase", f_recompile, OPT_0BOOL, 0},
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/* O_KEYTIME 4.4BSD */
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{"keytime", NULL, OPT_NUM, 0},
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/* O_LEFTRIGHT 4.4BSD */
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{"leftright", f_reformat, OPT_0BOOL, 0},
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/* O_LINES 4.4BSD */
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{"lines", f_lines, OPT_NUM, OPT_NOSAVE},
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/* O_LISP 4BSD
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* XXX
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* When the lisp option is implemented, delete the OPT_NOSAVE flag,
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* so that :mkexrc dumps it.
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*/
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{"lisp", f_lisp, OPT_0BOOL, OPT_NOSAVE},
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/* O_LIST 4BSD */
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{"list", f_reformat, OPT_0BOOL, 0},
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/* O_LOCKFILES 4.4BSD
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* XXX
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* Locking isn't reliable enough over NFS to require it, in addition,
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* it's a serious startup performance problem over some remote links.
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*/
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{"lock", NULL, OPT_1BOOL, 0},
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/* O_MAGIC 4BSD */
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{"magic", NULL, OPT_1BOOL, 0},
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/* O_MATCHTIME 4.4BSD */
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{"matchtime", NULL, OPT_NUM, 0},
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/* O_MESG 4BSD */
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{"mesg", NULL, OPT_1BOOL, 0},
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/* O_MODELINE 4BSD
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* !!!
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* This has been documented in historical systems as both "modeline"
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* and as "modelines". Regardless of the name, this option represents
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* a security problem of mammoth proportions, not to mention a stunning
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* example of what your intro CS professor referred to as the perils of
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* mixing code and data. Don't add it, or I will kill you.
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*/
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{"modeline", NULL, OPT_0BOOL, OPT_NOSET},
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/* O_MSGCAT 4.4BSD */
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{"msgcat", f_msgcat, OPT_STR, 0},
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/* O_NOPRINT 4.4BSD */
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{"noprint", f_print, OPT_STR, 0},
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/* O_NUMBER 4BSD */
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{"number", f_reformat, OPT_0BOOL, 0},
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/* O_OCTAL 4.4BSD */
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{"octal", f_print, OPT_0BOOL, 0},
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/* O_OPEN 4BSD */
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{"open", NULL, OPT_1BOOL, 0},
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/* O_OPTIMIZE 4BSD */
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{"optimize", NULL, OPT_1BOOL, 0},
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/* O_PARAGRAPHS 4BSD */
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{"paragraphs", f_paragraph, OPT_STR, 0},
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/* O_PATH 4.4BSD */
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{"path", NULL, OPT_STR, 0},
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/* O_PRINT 4.4BSD */
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{"print", f_print, OPT_STR, 0},
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/* O_PROMPT 4BSD */
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{"prompt", NULL, OPT_1BOOL, 0},
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/* O_READONLY 4BSD (undocumented) */
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{"readonly", f_readonly, OPT_0BOOL, OPT_ALWAYS},
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/* O_RECDIR 4.4BSD */
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{"recdir", NULL, OPT_STR, 0},
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/* O_REDRAW 4BSD */
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{"redraw", NULL, OPT_0BOOL, 0},
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/* O_REMAP 4BSD */
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{"remap", NULL, OPT_1BOOL, 0},
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/* O_REPORT 4BSD */
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{"report", NULL, OPT_NUM, 0},
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/* O_RULER 4.4BSD */
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{"ruler", NULL, OPT_0BOOL, 0},
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/* O_SCROLL 4BSD */
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{"scroll", NULL, OPT_NUM, 0},
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/* O_SEARCHINCR 4.4BSD */
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{"searchincr", NULL, OPT_0BOOL, 0},
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/* O_SECTIONS 4BSD */
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{"sections", f_section, OPT_STR, 0},
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/* O_SECURE 4.4BSD */
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{"secure", NULL, OPT_0BOOL, OPT_NOUNSET},
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/* O_SHELL 4BSD */
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{"shell", NULL, OPT_STR, 0},
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/* O_SHELLMETA 4.4BSD */
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{"shellmeta", NULL, OPT_STR, 0},
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/* O_SHIFTWIDTH 4BSD */
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{"shiftwidth", NULL, OPT_NUM, OPT_NOZERO},
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/* O_SHOWMATCH 4BSD */
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{"showmatch", NULL, OPT_0BOOL, 0},
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/* O_SHOWMODE 4.4BSD */
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{"showmode", NULL, OPT_0BOOL, 0},
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/* O_SIDESCROLL 4.4BSD */
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{"sidescroll", NULL, OPT_NUM, OPT_NOZERO},
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/* O_SLOWOPEN 4BSD */
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{"slowopen", NULL, OPT_0BOOL, 0},
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/* O_SOURCEANY 4BSD (undocumented)
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* !!!
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* Historic vi, on startup, source'd $HOME/.exrc and ./.exrc, if they
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* were owned by the user. The sourceany option was an undocumented
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* feature of historic vi which permitted the startup source'ing of
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* .exrc files the user didn't own. This is an obvious security problem,
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* and we ignore the option.
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*/
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{"sourceany", NULL, OPT_0BOOL, OPT_NOSET},
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/* O_TABSTOP 4BSD */
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{"tabstop", f_reformat, OPT_NUM, OPT_NOZERO},
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/* O_TAGLENGTH 4BSD */
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{"taglength", NULL, OPT_NUM, 0},
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/* O_TAGS 4BSD */
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{"tags", NULL, OPT_STR, 0},
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/* O_TERM 4BSD
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* !!!
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* By default, the historic vi always displayed information about two
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* options, redraw and term. Term seems sufficient.
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*/
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{"term", NULL, OPT_STR, OPT_ADISP|OPT_NOSAVE},
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/* O_TERSE 4BSD */
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{"terse", NULL, OPT_0BOOL, 0},
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/* O_TILDEOP 4.4BSD */
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{"tildeop", NULL, OPT_0BOOL, 0},
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/* O_TIMEOUT 4BSD (undocumented) */
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{"timeout", NULL, OPT_1BOOL, 0},
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/* O_TTYWERASE 4.4BSD */
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{"ttywerase", f_ttywerase, OPT_0BOOL, 0},
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/* O_VERBOSE 4.4BSD */
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{"verbose", NULL, OPT_0BOOL, 0},
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/* O_W1200 4BSD */
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{"w1200", f_w1200, OPT_NUM, OPT_NDISP|OPT_NOSAVE},
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/* O_W300 4BSD */
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{"w300", f_w300, OPT_NUM, OPT_NDISP|OPT_NOSAVE},
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/* O_W9600 4BSD */
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{"w9600", f_w9600, OPT_NUM, OPT_NDISP|OPT_NOSAVE},
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/* O_WARN 4BSD */
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{"warn", NULL, OPT_1BOOL, 0},
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/* O_WINDOW 4BSD */
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{"window", f_window, OPT_NUM, 0},
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/* O_WINDOWNAME 4BSD */
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{"windowname", NULL, OPT_0BOOL, 0},
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/* O_WRAPLEN 4.4BSD */
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{"wraplen", NULL, OPT_NUM, 0},
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/* O_WRAPMARGIN 4BSD */
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{"wrapmargin", NULL, OPT_NUM, 0},
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/* O_WRAPSCAN 4BSD */
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{"wrapscan", NULL, OPT_1BOOL, 0},
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/* O_WRITEANY 4BSD */
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{"writeany", NULL, OPT_0BOOL, 0},
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{NULL},
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};
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typedef struct abbrev {
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char *name;
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int offset;
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} OABBREV;
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static OABBREV const abbrev[] = {
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{"ai", O_AUTOINDENT}, /* 4BSD */
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{"ap", O_AUTOPRINT}, /* 4BSD */
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{"aw", O_AUTOWRITE}, /* 4BSD */
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{"bf", O_BEAUTIFY}, /* 4BSD */
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{"co", O_COLUMNS}, /* 4.4BSD */
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{"dir", O_DIRECTORY}, /* 4BSD */
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{"eb", O_ERRORBELLS}, /* 4BSD */
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{"ed", O_EDCOMPATIBLE}, /* 4BSD */
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{"ex", O_EXRC}, /* System V (undocumented) */
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#ifdef GTAGS
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{"gt", O_GTAGSMODE}, /* FreeBSD2.2 */
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#endif
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{"ht", O_HARDTABS}, /* 4BSD */
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{"ic", O_IGNORECASE}, /* 4BSD */
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{"li", O_LINES}, /* 4.4BSD */
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{"modelines", O_MODELINE}, /* HPUX */
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{"nu", O_NUMBER}, /* 4BSD */
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{"opt", O_OPTIMIZE}, /* 4BSD */
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{"para", O_PARAGRAPHS}, /* 4BSD */
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{"re", O_REDRAW}, /* O'Reilly */
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{"ro", O_READONLY}, /* 4BSD (undocumented) */
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{"scr", O_SCROLL}, /* 4BSD (undocumented) */
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{"sect", O_SECTIONS}, /* O'Reilly */
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{"sh", O_SHELL}, /* 4BSD */
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{"slow", O_SLOWOPEN}, /* 4BSD */
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{"sm", O_SHOWMATCH}, /* 4BSD */
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{"smd", O_SHOWMODE}, /* 4BSD */
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{"sw", O_SHIFTWIDTH}, /* 4BSD */
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{"tag", O_TAGS}, /* 4BSD (undocumented) */
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{"tl", O_TAGLENGTH}, /* 4BSD */
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{"to", O_TIMEOUT}, /* 4BSD (undocumented) */
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{"ts", O_TABSTOP}, /* 4BSD */
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{"tty", O_TERM}, /* 4BSD (undocumented) */
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{"ttytype", O_TERM}, /* 4BSD (undocumented) */
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{"w", O_WINDOW}, /* O'Reilly */
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{"wa", O_WRITEANY}, /* 4BSD */
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{"wi", O_WINDOW}, /* 4BSD (undocumented) */
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{"wl", O_WRAPLEN}, /* 4.4BSD */
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{"wm", O_WRAPMARGIN}, /* 4BSD */
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{"ws", O_WRAPSCAN}, /* 4BSD */
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{NULL},
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};
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/*
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* opts_init --
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* Initialize some of the options.
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*
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* PUBLIC: int opts_init __P((SCR *, int *));
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*/
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int
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opts_init(sp, oargs)
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SCR *sp;
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int *oargs;
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{
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ARGS *argv[2], a, b;
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OPTLIST const *op;
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u_long v;
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int cnt, optindx;
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char *s, b1[1024];
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a.bp = b1;
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b.bp = NULL;
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a.len = b.len = 0;
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argv[0] = &a;
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argv[1] = &b;
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/* Set numeric and string default values. */
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#define OI(indx, str) { \
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if (str != b1) /* GCC puts strings in text-space. */ \
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(void)strcpy(b1, str); \
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a.len = strlen(b1); \
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if (opts_set(sp, argv, NULL)) { \
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optindx = indx; \
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goto err; \
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} \
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}
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/*
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* Indirect global options to global space. Specifically, set up
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* terminal, lines, columns first, they're used by other options.
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* Note, don't set the flags until we've set up the indirection.
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*/
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if (o_set(sp, O_TERM, 0, NULL, GO_TERM))
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goto err;
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F_SET(&sp->opts[O_TERM], OPT_GLOBAL);
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if (o_set(sp, O_LINES, 0, NULL, GO_LINES))
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goto err;
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F_SET(&sp->opts[O_LINES], OPT_GLOBAL);
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if (o_set(sp, O_COLUMNS, 0, NULL, GO_COLUMNS))
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goto err;
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F_SET(&sp->opts[O_COLUMNS], OPT_GLOBAL);
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if (o_set(sp, O_SECURE, 0, NULL, GO_SECURE))
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goto err;
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F_SET(&sp->opts[O_SECURE], OPT_GLOBAL);
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/* Initialize string values. */
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(void)snprintf(b1, sizeof(b1),
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"cdpath=%s", (s = getenv("CDPATH")) == NULL ? ":" : s);
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OI(O_CDPATH, b1);
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/*
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* !!!
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* Vi historically stored temporary files in /var/tmp. We store them
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* in /tmp by default, hoping it's a memory based file system. There
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* are two ways to change this -- the user can set either the directory
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* option or the TMPDIR environmental variable.
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*/
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(void)snprintf(b1, sizeof(b1),
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"directory=%s", (s = getenv("TMPDIR")) == NULL ? _PATH_TMP : s);
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OI(O_DIRECTORY, b1);
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OI(O_ESCAPETIME, "escapetime=6");
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OI(O_KEYTIME, "keytime=6");
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OI(O_MATCHTIME, "matchtime=7");
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(void)snprintf(b1, sizeof(b1), "msgcat=%s", _PATH_MSGCAT);
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OI(O_MSGCAT, b1);
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OI(O_REPORT, "report=5");
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OI(O_PARAGRAPHS, "paragraphs=IPLPPPQPP LIpplpipbp");
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(void)snprintf(b1, sizeof(b1), "path=%s", "");
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OI(O_PATH, b1);
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(void)snprintf(b1, sizeof(b1), "recdir=%s", _PATH_PRESERVE);
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OI(O_RECDIR, b1);
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OI(O_SECTIONS, "sections=NHSHH HUnhsh");
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(void)snprintf(b1, sizeof(b1),
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"shell=%s", (s = getenv("SHELL")) == NULL ? _PATH_BSHELL : s);
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OI(O_SHELL, b1);
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OI(O_SHELLMETA, "shellmeta=~{[*?$`'\"\\");
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OI(O_SHIFTWIDTH, "shiftwidth=8");
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OI(O_SIDESCROLL, "sidescroll=16");
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OI(O_TABSTOP, "tabstop=8");
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(void)snprintf(b1, sizeof(b1), "tags=%s", _PATH_TAGS);
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OI(O_TAGS, b1);
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/*
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* XXX
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* Initialize O_SCROLL here, after term; initializing term should
|
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* have created a LINES/COLUMNS value.
|
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*/
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if ((v = (O_VAL(sp, O_LINES) - 1) / 2) == 0)
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v = 1;
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(void)snprintf(b1, sizeof(b1), "scroll=%ld", v);
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OI(O_SCROLL, b1);
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|
|
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/*
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* The default window option values are:
|
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* 8 if baud rate <= 600
|
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* 16 if baud rate <= 1200
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* LINES - 1 if baud rate > 1200
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*
|
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* Note, the windows option code will correct any too-large value
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* or when the O_LINES value is 1.
|
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*/
|
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if (sp->gp->scr_baud(sp, &v))
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return (1);
|
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if (v <= 600)
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v = 8;
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else if (v <= 1200)
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v = 16;
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else
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v = O_VAL(sp, O_LINES) - 1;
|
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(void)snprintf(b1, sizeof(b1), "window=%lu", v);
|
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OI(O_WINDOW, b1);
|
|
|
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/*
|
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* Set boolean default values, and copy all settings into the default
|
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* information. OS_NOFREE is set, we're copying, not replacing.
|
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*/
|
|
for (op = optlist, cnt = 0; op->name != NULL; ++op, ++cnt)
|
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switch (op->type) {
|
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case OPT_0BOOL:
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break;
|
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case OPT_1BOOL:
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O_SET(sp, cnt);
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O_D_SET(sp, cnt);
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break;
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case OPT_NUM:
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o_set(sp, cnt, OS_DEF, NULL, O_VAL(sp, cnt));
|
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break;
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case OPT_STR:
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if (O_STR(sp, cnt) != NULL && o_set(sp, cnt,
|
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OS_DEF | OS_NOFREE | OS_STRDUP, O_STR(sp, cnt), 0))
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goto err;
|
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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.
|
|
*/
|
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for (; *oargs != -1; ++oargs)
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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));
|
|
}
|
|
}
|