Import the [now] dual licensed version 3.5.4 of less. It is

distributed under your choice of the GPL or a BSD style license.

Reviewed by:	peter
Obtained from:	http://home.flash.net/~marknu/less/

1 files changed, 62 insertions, 0 deletions

diff --git a/contrib/less/option.h b/contrib/less/option.h
new file mode 100644
index 0000000..326fe5d
--- /dev/null
+++ b/contrib/less/option.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 1984-2000  Mark Nudelman
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Less License, as specified in the README file.
+ *
+ * For more information about less, or for information on how to 
+ * contact the author, see the README file.
+ */
+
+
+#define	END_OPTION_STRING	('$')
+
+/*
+ * Types of options.
+ */
+#define	BOOL		01	/* Boolean option: 0 or 1 */
+#define	TRIPLE		02	/* Triple-valued option: 0, 1 or 2 */
+#define	NUMBER		04	/* Numeric option */
+#define	STRING		010	/* String-valued option */
+#define	NOVAR		020	/* No associated variable */
+#define	REPAINT		040	/* Repaint screen after toggling option */
+#define	NO_TOGGLE	0100	/* Option cannot be toggled with "-" cmd */
+#define	HL_REPAINT	0200	/* Repaint hilites after toggling option */
+#define	NO_QUERY	0400	/* Option cannot be queried with "_" cmd */
+
+#define	OTYPE		(BOOL|TRIPLE|NUMBER|STRING|NOVAR)
+
+/*
+ * Argument to a handling function tells what type of activity:
+ */
+#define	INIT	0	/* Initialization (from command line) */
+#define	QUERY	1	/* Query (from _ or - command) */
+#define	TOGGLE	2	/* Change value (from - command) */
+
+/* Flag to toggle_option to specify how to "toggle" */
+#define	OPT_NO_TOGGLE	0
+#define	OPT_TOGGLE	1
+#define	OPT_UNSET	2
+#define	OPT_SET		3
+#define OPT_NO_PROMPT	0100
+
+/* Error code from findopt_name */
+#define OPT_AMBIG       1
+
+struct optname
+{
+	char *oname;            /* Long (GNU-style) option name */
+	struct optname *onext;  /* List of synonymous option names */
+};
+
+struct option
+{
+	char oletter;		/* The controlling letter (a-z) */
+	struct optname *onames; /* Long (GNU-style) option name */
+	int otype;		/* Type of the option */
+	int odefault;		/* Default value */
+	int *ovar;		/* Pointer to the associated variable */
+	void (*ofunc)();	/* Pointer to special handling function */
+	char *odesc[3];		/* Description of each value */
+};
+