1/* $NetBSD: option.h,v 1.5 2023/10/06 05:49:49 simonb Exp $ */ 2 3/* 4 * Copyright (C) 1984-2023 Mark Nudelman 5 * 6 * You may distribute under the terms of either the GNU General Public 7 * License or the Less License, as specified in the README file. 8 * 9 * For more information, see the README file. 10 */ 11 12 13#define END_OPTION_STRING ('$') 14 15/* 16 * Types of options. 17 */ 18#define BOOL 01 /* Boolean option: 0 or 1 */ 19#define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */ 20#define NUMBER 04 /* Numeric option */ 21#define STRING 010 /* String-valued option */ 22#define NOVAR 020 /* No associated variable */ 23#define REPAINT 040 /* Repaint screen after toggling option */ 24#define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */ 25#define HL_REPAINT 0200 /* Repaint hilites after toggling option */ 26#define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */ 27#define INIT_HANDLER 01000 /* Call option handler function at startup */ 28 29#define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR) 30 31#define OLETTER_NONE '\1' /* Invalid option letter */ 32 33/* 34 * Argument to a handling function tells what type of activity: 35 */ 36#define INIT 0 /* Initialization (from command line) */ 37#define QUERY 1 /* Query (from _ or - command) */ 38#define TOGGLE 2 /* Change value (from - command) */ 39 40/* Flag to toggle_option to specify how to "toggle" */ 41#define OPT_NO_TOGGLE 0 42#define OPT_TOGGLE 1 43#define OPT_UNSET 2 44#define OPT_SET 3 45#define OPT_NO_PROMPT 0100 46 47/* Error code from findopt_name */ 48#define OPT_AMBIG 1 49 50struct optname 51{ 52 char *oname; /* Long (GNU-style) option name */ 53 struct optname *onext; /* List of synonymous option names */ 54}; 55 56#define OPTNAME_MAX 32 /* Max length of long option name */ 57 58struct loption 59{ 60 char oletter; /* The controlling letter (a-z) */ 61 struct optname *onames; /* Long (GNU-style) option name */ 62 int otype; /* Type of the option */ 63 int odefault; /* Default value */ 64 int *ovar; /* Pointer to the associated variable */ 65 void (*ofunc)(int, char*); /* Pointer to special handling function */ 66 char *odesc[3]; /* Description of each value */ 67}; 68 69