===================================================================
RCS file: /cvs/mandoc/Attic/apropos_db.h,v
retrieving revision 1.10
retrieving revision 1.13
diff -u -p -r1.10 -r1.13
--- mandoc/Attic/apropos_db.h	2011/11/27 23:11:37	1.10
+++ mandoc/Attic/apropos_db.h	2012/03/24 01:46:25	1.13
@@ -1,6 +1,6 @@
-/*	$Id: apropos_db.h,v 1.10 2011/11/27 23:11:37 schwarze Exp $ */
+/*	$Id: apropos_db.h,v 1.13 2012/03/24 01:46:25 kristaps Exp $ */
 /*
- * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -17,8 +17,14 @@
 #ifndef APROPOS_H
 #define APROPOS_H
 
+enum	restype {
+	RESTYPE_MAN, /* man(7) file */
+	RESTYPE_MDOC, /* mdoc(7) file */
+	RESTYPE_CAT /* pre-formatted file */
+};
+
 struct	res {
-	char		*type; /* file type: mdoc, man or cat */
+	enum restype	 type; /* input file type */
 	char		*file; /* file in file-system */
 	char		*cat; /* category (3p, 3, etc.) */
 	char		*title; /* title (FOO, etc.) */
@@ -30,6 +36,18 @@ struct	res {
 	 * searched for manual page databases.
 	 */
 	unsigned int	 volume;
+	/*
+	 * The following fields are used internally.
+	 *
+	 * Maintain a binary tree for checking the uniqueness of `rec'
+	 * when adding elements to the results array.
+	 * Since the results array is dynamic, use offset in the array
+	 * instead of a pointer to the structure.
+	 */
+	int		 lhs;
+	int		 rhs;
+	int		 matched; /* expression is true */
+	int		*matches; /* partial truth evaluations */
 };
 
 struct	opts {
@@ -41,11 +59,13 @@ __BEGIN_DECLS
 
 struct	expr;
 
-int	 	 apropos_search(int, char **, const struct opts *,
-			const struct expr *, size_t, void *,
+int		 apropos_search(int, char **, const struct opts *,
+			const struct expr *, size_t, 
+			void *, size_t *, struct res **,
 			void (*)(struct res *, size_t, void *));
 struct	expr	*exprcomp(int, char *[], size_t *);
 void		 exprfree(struct expr *);
+void	 	 resfree(struct res *, size_t);
 struct	expr	*termcomp(int, char *[], size_t *);
 
 __END_DECLS