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 50 struct 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 58 struct 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