lymain.c

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    case 'a':
    if (strncmp(argv[0], "-anonymous", 10) == 0) {
	/*
	 *  Should already have been set, so we don't
	 *  override or replace any additional
	 *  restrictions from the command line. - FM
	 */
	if (!anon_restrictions_set)
	    parse_restrictions("default");
	    anon_restrictions_set = TRUE;

    } else if ((strncmp(argv[0], "-assume_charset", 15) == 0) ||
	       (strncmp(argv[0], "-assume_local_charset", 21) == 0) ||
	       (strncmp(argv[0], "-assume_unrec_charset", 21) == 0)) {
	BOOL local_flag = (argv[0][8] == 'l');
	BOOL unrec_flag = (argv[0][8] == 'u');

	if (nextarg) {
	    int j;

	    for (j = 0; cp[j]; j++)
		cp[j] = TOLOWER(cp[j]);
	    if (local_flag) {
		StrAllocCopy(UCAssume_localMIMEcharset, cp);
		if (UCAssume_localMIMEcharset && *UCAssume_localMIMEcharset)
		    UCLYhndl_HTFile_for_unspec =
			UCGetLYhndl_byMIME(UCAssume_localMIMEcharset);
	    } else if (unrec_flag) {
		StrAllocCopy(UCAssume_unrecMIMEcharset, cp);
		if (UCAssume_unrecMIMEcharset && *UCAssume_unrecMIMEcharset)
		    UCLYhndl_for_unrec =
			UCGetLYhndl_byMIME(UCAssume_unrecMIMEcharset);
	    } else {
		StrAllocCopy(UCAssume_MIMEcharset, cp);
		if (UCAssume_MIMEcharset && *UCAssume_MIMEcharset)
		    UCLYhndl_for_unspec =
			UCGetLYhndl_byMIME(UCAssume_MIMEcharset);
	    }
	} else {
	    if (local_flag)
		UCLYhndl_HTFile_for_unspec = 0;
	    else if (unrec_flag)
		UCLYhndl_for_unrec = 0;
	    else
		UCLYhndl_for_unspec = 0;
	}

    } else if (strncmp(argv[0], "-auth", 5) == 0) {
	/*
	 *  Authentication information for protected documents.
	 */
	char *auth_info = NULL;

	if (nextarg) {
	    StrAllocCopy(auth_info, cp);
	    memset(cp, ' ', strlen(cp));	/* Let's not show too much */
	}
	if (auth_info != NULL)	{
	    if ((cp = strchr(auth_info, ':')) != NULL) {	/* Pw */
		*cp++ = '\0';	/* Terminate ID */
		if (*cp) {
		    HTUnEscape(cp);
		    StrAllocCopy(authentication_info[1], cp);
		}
	    }
	    if (*auth_info) {					/* Id */
		HTUnEscape(auth_info);
		StrAllocCopy(authentication_info[0], auth_info);
	    }
	    FREE(auth_info);
	}

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'b':
    if (strcmp(argv[0], "-base") == 0) {
	/*
	 *  Treat -source equivalently to an interactive
	 *  download with LYPrefixBaseToSource configured
	 *  to TRUE, so that a BASE tag is prepended for
	 *  text/html content types.  We normally treat
	 *  the module-wide global LYPrefixBaseToSource
	 *  flag as FALSE with -source, but force it TRUE,
	 *  later, if LYPrependBase is set TRUE here. - FM
	 */
	LYPrependBase = TRUE;
	if (HTOutputFormat == HTAtom_for("www/dump")) {
	    HTOutputFormat = HTAtom_for("www/download");
	}

    } else if (strcmp(argv[0], "-book") == 0) {
	/*
	 *  Use bookmarks as startfile.
	 */
	bookmark_start = TRUE;

    } else if (strcmp(argv[0], "-buried_news") == 0) {
	/*
	 *  Toggle scans for buried news references.
	 */
	if (scan_for_buried_news_references)
	    scan_for_buried_news_references = FALSE;
	else
	    scan_for_buried_news_references = TRUE;

#ifdef USE_SLANG
    } else if (strncmp(argv[0], "-blink", 6) == 0) {
	Lynx_Color_Flags |= SL_LYNX_USE_BLINK;
#endif /* USE_SLANG */

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'c':
    if (strncmp(argv[0], "-cache", 6) == 0) {
	if (nextarg)
	    HTCacheSize = atoi(cp);
	/*
	 *  Limit size.
	 */
	if (HTCacheSize < 2) HTCacheSize = 2;

    } else if (strncmp(argv[0], "-case", 5) == 0) {
	case_sensitive = TRUE;

    } else if (strncmp(argv[0], "-cfg", 4) == 0) {
	/*
	 *  Already read the alternate configuration file
	 *  so just check whether we need to increment i
	 */
	if (nextarg)
	    ; /* do nothing */

    } else if (strncmp(argv[0], "-child", 6) == 0) {
	child_lynx = TRUE;
	no_disk_save = TRUE;

#ifdef USE_SLANG
    } else if (strncmp(argv[0], "-color", 6) == 0) {
	Lynx_Color_Flags |= SL_LYNX_USE_COLOR;
	if (LYShowColor != SHOW_COLOR_ALWAYS) {
	    LYShowColor = SHOW_COLOR_ON;
	}
#endif /* USE_SLANG */

    } else if (strncmp(argv[0], "-crawl", 6) == 0) {
	crawl = TRUE;
	LYcols = 80;

    } else if (strncmp(argv[0], "-cookies", 8) == 0) {
	if (LYSetCookies)
	    LYSetCookies = FALSE;
	else
	    LYSetCookies = TRUE;

#ifndef VMS
    } else if (strncmp(argv[0], "-core", 5) == 0) {
	if (LYNoCore)
	    LYNoCore = FALSE;
	else
	    LYNoCore = TRUE;
#endif /* !VMS */

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'd':
    if (strncmp(argv[0], "-display", 8) == 0) {
	if (nextarg) {
#ifdef VMS
	    int j;
	    for (j = 0; cp[j]; j++)
		cp[j] = TOUPPER(cp[j]);
	    Define_VMSLogical(DISPLAY, cp ? cp : "");
#else
	    sprintf(display_putenv_command, "DISPLAY=%s", cp ? cp : "");
	    putenv(display_putenv_command);
#endif /* VMS */
	    if ((cp = getenv(DISPLAY)) != NULL && *cp != '\0') {
		StrAllocCopy(display, cp);
	    }
	}

    } else if (strncmp(argv[0], "-dump", 5) == 0) {
	dump_output_immediately = TRUE;
	LYcols=80;

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'e':
    if (strncmp(argv[0], "-editor", 7) == 0) {
	if (nextarg)
	    StrAllocCopy(editor,cp);
	system_editor = TRUE;

    } else if (strncmp(argv[0], "-emacskeys", 10) == 0) {
	emacs_keys = TRUE;

    } else if (strncmp(argv[0], "-enable_scrollback", 18) == 0) {
	if (enable_scrollback)
	    enable_scrollback = FALSE;
	else
	    enable_scrollback = TRUE;

    } else if (strncmp(argv[0], "-error_file", 11) == 0) {
	/*
	 *  Output return (success/failure) code
	 *  of an HTTP transaction.
	 */
	if (nextarg)
	    http_error_file = cp;

#if defined(EXEC_LINKS) || defined(EXEC_SCRIPTS)
    } else if (strncmp(argv[0], "-exec", 5) == 0) {
#ifndef NEVER_ALLOW_REMOTE_EXEC
	local_exec = TRUE;
#else
	local_exec_on_local_files = TRUE;
#endif /* NEVER_ALLOW_REMOTE_EXEC */
#endif /* EXEC_LINKS || EXEC_SCRIPTS */

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'f':
    if (strncmp(argv[0], "-force_html", 11) == 0) {
	LYforce_HTML_mode = TRUE;

    } else if (strncmp(argv[0], "-fileversions", 13) == 0) {
#ifdef VMS
	HTVMSFileVersions = TRUE;
#else
	break;;
#endif /* VMS */

    } else if (strncmp(argv[0], "-force_secure", 13) == 0) {
	if (LYForceSSLCookiesSecure)
	    LYForceSSLCookiesSecure = FALSE;
	else
	    LYForceSSLCookiesSecure = TRUE;

    } else if (strncmp(argv[0], "-from", 5) == 0) {
	if (LYNoFromHeader)
	    LYNoFromHeader = FALSE;
	else
	    LYNoFromHeader = TRUE;

    } else if (strncmp(argv[0], "-ftp", 4) == 0) {
	ftp_ok = FALSE;

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'g':
    if (strcmp(argv[0], "-get_data") == 0) {
	/*
	 *  User data for GET form.
	 */
	char **get_data;
	char buf[1024];

	/*
	 *  On Unix, conflicts with curses when interactive
	 *  so let's force a dump.  - CL
	 *
	 *  On VMS, mods have been made in LYCurses.c to deal with
	 *  potential conflicts, so don't force the dump here. - FM
	 */
#ifndef VMS
	dump_output_immediately = TRUE;
	LYcols = 80;
#endif /* VMS */

	StrAllocCopy(form_get_data, "?");   /* Prime the pump */
	get_data = &form_get_data;

	/*
	 *  Build GET data for later.  Stop reading when we see a line
	 *  with "---" as its first three characters.
	 */
	while (fgets(buf, sizeof(buf), stdin) &&
	       strncmp(buf, "---", 3) != 0) {
	    int j;

	    for (j = strlen(buf) - 1; j >= 0 && /* Strip line terminators */
		(buf[j] == CR || buf[j] == LF); j--) {
		buf[j] = '\0';
	    }
	    StrAllocCat(*get_data, buf);
	}

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'h':
    if (strcmp(argv[0], "-help") == 0) {
	goto Output_Help_List;

    } else if (strcmp(argv[0], "-head") == 0) {
	/*
	 *  Return mime headers.
	 */
	HEAD_request = TRUE;

    } else if (strncmp(argv[0], "-hiddenlinks", 7) == 0) {
	if (nextarg) {
	    if (strncasecomp(cp, "merge", 1) == 0)
		LYHiddenLinks = HIDDENLINKS_MERGE;
	    else if (strncasecomp(cp, "listonly", 1) == 0)
		LYHiddenLinks = HIDDENLINKS_SEPARATE;
	    else if (strncasecomp(cp, "ignore", 1) == 0)
		LYHiddenLinks = HIDDENLINKS_IGNORE;
	    else
		goto Output_Error_and_Help_List;
	} else
	    LYHiddenLinks = HIDDENLINKS_MERGE;

    } else if (strncmp(argv[0], "-historical", 11) == 0) {
	if (historical_comments)
	    historical_comments = FALSE;
	else
	    historical_comments = TRUE;

    } else if (strncmp(argv[0], "-homepage", 9) == 0) {
	if (nextarg) {
	    StrAllocCopy(homepage, cp);
	    LYTrimHead(homepage);
	    if (!strncasecomp(homepage, "lynxexec:", 9) ||
		!strncasecomp(homepage, "lynxprog:", 9)) {
		/*
		 *  The original implementations of these schemes expected
		 *  white space without hex escaping, and did not check
		 *  for hex escaping, so we'll continue to support that,
		 *  until that code is redone in conformance with SGML
		 *  principles.  - FM
		 */
		HTUnEscapeSome(homepage, " \r\n\t");
		convert_to_spaces(homepage, TRUE);
	    }
	}
    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'i':
    if (strncmp(argv[0], "-image_links", 12) == 0) {
	if (clickable_images)
	    clickable_images = FALSE;
	else
	    clickable_images = TRUE;

    } else if (strncmp(argv[0], "-index", 6) == 0) {
	if (nextarg)
	    StrAllocCopy(indexfile, cp);

    } else if (strncmp(argv[0], "-ismap", 6) == 0) {
	if (LYNoISMAPifUSEMAP)
	    LYNoISMAPifUSEMAP = FALSE;
	else
	    LYNoISMAPifUSEMAP = TRUE;

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'l':
    if (strncmp(argv[0], "-link", 5) == 0) {
	if (nextarg)
	    ccount = atoi(cp);

    } else if (strncmp(argv[0], "-localhost", 10) == 0) {
	local_host_only = TRUE;

#if defined(EXEC_LINKS) || defined(EXEC_SCRIPTS)
    } else if (strncmp(argv[0], "-locexec", 8) == 0) {
	local_exec_on_local_files = TRUE;
#endif /* EXEC_LINKS || EXEC_SCRIPTS */

#if defined(USE_HASH)
    } else if (strncmp(argv[0], "-lss", 4) == 0) {
	/*
	 *  Already read the alternate lynx-style file
	 *  so just check whether we need to increment i
	 */
	if (nextarg)
	    ; /* do nothing */
#endif

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'm':
    if (strcmp(argv[0], "-mime_header") == 0) {
	/*
	 *  Include mime headers and force source dump.
	 */
	keep_mime_headers = TRUE;
	dump_output_immediately = TRUE;
	HTOutputFormat = (LYPrependBase ?
	     HTAtom_for("www/download") : HTAtom_for("www/dump"));
	LYcols=999;

    } else if (strncmp(argv[0], "-minimal", 8) == 0) {
	if (minimal_comments)
	    minimal_comments = FALSE;
	else
	    minimal_comments = TRUE;

    } else {
	goto Output_Error_and_Help_List;
    }
    break;

    case 'n':
    if (strncmp(argv[0], "-newschunksize", 14) == 0) {
	if (nextarg) {
	    HTNewsChunkSize = atoi(cp);
	    /*
	     * If the new HTNewsChunkSize exceeds the maximum,
	     * increase HTNewsMaxChunk to this size. - FM
	     */
	    if (HTNewsChunkSize > HTNewsMaxChunk) {
		HTNewsMaxChunk = HTNewsChunkSize;
	    }
	}

    } else if (strncmp(argv[0], "-newsmaxchunk", 13) == 0) {
	if (nextarg) {
	    HTNewsMaxChunk = atoi(cp);
	    /*
	     * If HTNewsChunkSize exceeds the new maximum,
	     * reduce HTNew