Annotation of src/usr.bin/less/option.h, Revision 1.9
1.1 etheisen 1: /*
1.5 shadchin 2: * Copyright (C) 1984-2012 Mark Nudelman
1.7 nicm 3: * Modified for use with illumos by Garrett D'Amore.
4: * Copyright 2014 Garrett D'Amore <garrett@damore.org>
1.1 etheisen 5: *
1.3 millert 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.
1.1 etheisen 8: *
1.5 shadchin 9: * For more information, see the README file.
1.6 nicm 10: */
1.1 etheisen 11:
12: #define END_OPTION_STRING ('$')
13:
14: /*
15: * Types of options.
16: */
17: #define BOOL 01 /* Boolean option: 0 or 1 */
18: #define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */
19: #define NUMBER 04 /* Numeric option */
20: #define STRING 010 /* String-valued option */
21: #define NOVAR 020 /* No associated variable */
22: #define REPAINT 040 /* Repaint screen after toggling option */
23: #define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */
24: #define HL_REPAINT 0200 /* Repaint hilites after toggling option */
25: #define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */
1.3 millert 26: #define INIT_HANDLER 01000 /* Call option handler function at startup */
1.6 nicm 27: #define MORE_OK 02000 /* Allow when less_is_more */
1.1 etheisen 28:
29: #define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR)
30:
1.6 nicm 31: #define OLETTER_NONE '\1' /* Invalid option letter */
1.4 shadchin 32:
1.1 etheisen 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
1.6 nicm 45: #define OPT_NO_PROMPT 0100
1.3 millert 46:
47: /* Error code from findopt_name */
1.6 nicm 48: #define OPT_AMBIG 1
1.3 millert 49:
1.8 deraadt 50: struct optname {
1.6 nicm 51: char *oname; /* Long (GNU-style) option name */
1.3 millert 52: struct optname *onext; /* List of synonymous option names */
53: };
1.4 shadchin 54:
1.6 nicm 55: #define OPTNAME_MAX 32 /* Max length of long option name */
1.1 etheisen 56:
1.8 deraadt 57: struct loption {
1.1 etheisen 58: char oletter; /* The controlling letter (a-z) */
1.3 millert 59: struct optname *onames; /* Long (GNU-style) option name */
1.1 etheisen 60: int otype; /* Type of the option */
61: int odefault; /* Default value */
62: int *ovar; /* Pointer to the associated variable */
1.9 ! nicm 63: void (*ofunc)(int, char *); /* Pointer to special handling function */
1.1 etheisen 64: char *odesc[3]; /* Description of each value */
65: };