xref: /netbsd-src/external/cddl/osnet/dist/lib/libuutil/common/libuutil.h (revision 3227e6cf668bd374971740bd6660f43cee4417ac)
1c1cb2cd8Shaad /*
2c1cb2cd8Shaad  * CDDL HEADER START
3c1cb2cd8Shaad  *
4c1cb2cd8Shaad  * The contents of this file are subject to the terms of the
5c1cb2cd8Shaad  * Common Development and Distribution License (the "License").
6c1cb2cd8Shaad  * You may not use this file except in compliance with the License.
7c1cb2cd8Shaad  *
8c1cb2cd8Shaad  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9c1cb2cd8Shaad  * or http://www.opensolaris.org/os/licensing.
10c1cb2cd8Shaad  * See the License for the specific language governing permissions
11c1cb2cd8Shaad  * and limitations under the License.
12c1cb2cd8Shaad  *
13c1cb2cd8Shaad  * When distributing Covered Code, include this CDDL HEADER in each
14c1cb2cd8Shaad  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15c1cb2cd8Shaad  * If applicable, add the following below this CDDL HEADER, with the
16c1cb2cd8Shaad  * fields enclosed by brackets "[]" replaced with your own identifying
17c1cb2cd8Shaad  * information: Portions Copyright [yyyy] [name of copyright owner]
18c1cb2cd8Shaad  *
19c1cb2cd8Shaad  * CDDL HEADER END
20c1cb2cd8Shaad  */
21c1cb2cd8Shaad /*
22*3227e6cfSchs  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23c1cb2cd8Shaad  */
24c1cb2cd8Shaad 
25c1cb2cd8Shaad #ifndef	_LIBUUTIL_H
26c1cb2cd8Shaad #define	_LIBUUTIL_H
27c1cb2cd8Shaad 
28*3227e6cfSchs #include <solaris.h>
29c1cb2cd8Shaad #include <sys/types.h>
30c1cb2cd8Shaad #include <stdarg.h>
31*3227e6cfSchs #include <stdio.h>
32c1cb2cd8Shaad 
33c1cb2cd8Shaad #ifdef	__cplusplus
34c1cb2cd8Shaad extern "C" {
35c1cb2cd8Shaad #endif
36c1cb2cd8Shaad 
37c1cb2cd8Shaad /*
38c1cb2cd8Shaad  * Standard flags codes.
39c1cb2cd8Shaad  */
40c1cb2cd8Shaad #define	UU_DEFAULT		0
41c1cb2cd8Shaad 
42c1cb2cd8Shaad /*
43c1cb2cd8Shaad  * Standard error codes.
44c1cb2cd8Shaad  */
45c1cb2cd8Shaad #define	UU_ERROR_NONE		0	/* no error */
46c1cb2cd8Shaad #define	UU_ERROR_INVALID_ARGUMENT 1	/* invalid argument */
47c1cb2cd8Shaad #define	UU_ERROR_UNKNOWN_FLAG	2	/* passed flag invalid */
48c1cb2cd8Shaad #define	UU_ERROR_NO_MEMORY	3	/* out of memory */
49c1cb2cd8Shaad #define	UU_ERROR_CALLBACK_FAILED 4	/* callback-initiated error */
50c1cb2cd8Shaad #define	UU_ERROR_NOT_SUPPORTED	5	/* operation not supported */
51c1cb2cd8Shaad #define	UU_ERROR_EMPTY		6	/* no value provided */
52c1cb2cd8Shaad #define	UU_ERROR_UNDERFLOW	7	/* value is too small */
53c1cb2cd8Shaad #define	UU_ERROR_OVERFLOW	8	/* value is too value */
54c1cb2cd8Shaad #define	UU_ERROR_INVALID_CHAR	9	/* value contains unexpected char */
55c1cb2cd8Shaad #define	UU_ERROR_INVALID_DIGIT	10	/* value contains digit not in base */
56c1cb2cd8Shaad 
57c1cb2cd8Shaad #define	UU_ERROR_SYSTEM		99	/* underlying system error */
58c1cb2cd8Shaad #define	UU_ERROR_UNKNOWN	100	/* error status not known */
59c1cb2cd8Shaad 
60c1cb2cd8Shaad /*
61c1cb2cd8Shaad  * Standard program exit codes.
62c1cb2cd8Shaad  */
63c1cb2cd8Shaad #define	UU_EXIT_OK	(*(uu_exit_ok()))
64c1cb2cd8Shaad #define	UU_EXIT_FATAL	(*(uu_exit_fatal()))
65c1cb2cd8Shaad #define	UU_EXIT_USAGE	(*(uu_exit_usage()))
66c1cb2cd8Shaad 
67c1cb2cd8Shaad /*
68c1cb2cd8Shaad  * Exit status profiles.
69c1cb2cd8Shaad  */
70c1cb2cd8Shaad #define	UU_PROFILE_DEFAULT	0
71c1cb2cd8Shaad #define	UU_PROFILE_LAUNCHER	1
72c1cb2cd8Shaad 
73c1cb2cd8Shaad /*
74c1cb2cd8Shaad  * Error reporting functions.
75c1cb2cd8Shaad  */
76c1cb2cd8Shaad uint32_t uu_error(void);
77c1cb2cd8Shaad const char *uu_strerror(uint32_t);
78c1cb2cd8Shaad 
79c1cb2cd8Shaad /*
80c1cb2cd8Shaad  * Program notification functions.
81c1cb2cd8Shaad  */
82c1cb2cd8Shaad extern void uu_alt_exit(int);
83c1cb2cd8Shaad extern const char *uu_setpname(char *);
84c1cb2cd8Shaad extern const char *uu_getpname(void);
85c1cb2cd8Shaad /*PRINTFLIKE1*/
86c1cb2cd8Shaad extern void uu_warn(const char *, ...);
87c1cb2cd8Shaad extern void uu_vwarn(const char *, va_list);
88c1cb2cd8Shaad /*PRINTFLIKE1*/
89c1cb2cd8Shaad extern void uu_die(const char *, ...) __NORETURN;
90c1cb2cd8Shaad extern void uu_vdie(const char *, va_list) __NORETURN;
91c1cb2cd8Shaad /*PRINTFLIKE2*/
92c1cb2cd8Shaad extern void uu_xdie(int, const char *, ...) __NORETURN;
93c1cb2cd8Shaad extern void uu_vxdie(int, const char *, va_list) __NORETURN;
94c1cb2cd8Shaad 
95c1cb2cd8Shaad /*
96c1cb2cd8Shaad  * Exit status functions (not to be used directly)
97c1cb2cd8Shaad  */
98c1cb2cd8Shaad extern int *uu_exit_ok(void);
99c1cb2cd8Shaad extern int *uu_exit_fatal(void);
100c1cb2cd8Shaad extern int *uu_exit_usage(void);
101c1cb2cd8Shaad 
102c1cb2cd8Shaad /*
103c1cb2cd8Shaad  * string->number conversions
104c1cb2cd8Shaad  */
105c1cb2cd8Shaad extern int uu_strtoint(const char *, void *, size_t, int, int64_t, int64_t);
106c1cb2cd8Shaad extern int uu_strtouint(const char *, void *, size_t, int, uint64_t, uint64_t);
107c1cb2cd8Shaad 
108c1cb2cd8Shaad /*
109c1cb2cd8Shaad  * Debug print facility functions.
110c1cb2cd8Shaad  */
111c1cb2cd8Shaad typedef struct uu_dprintf uu_dprintf_t;
112c1cb2cd8Shaad 
113c1cb2cd8Shaad typedef enum {
114c1cb2cd8Shaad 	UU_DPRINTF_SILENT,
115c1cb2cd8Shaad 	UU_DPRINTF_FATAL,
116c1cb2cd8Shaad 	UU_DPRINTF_WARNING,
117c1cb2cd8Shaad 	UU_DPRINTF_NOTICE,
118c1cb2cd8Shaad 	UU_DPRINTF_INFO,
119c1cb2cd8Shaad 	UU_DPRINTF_DEBUG
120c1cb2cd8Shaad } uu_dprintf_severity_t;
121c1cb2cd8Shaad 
122c1cb2cd8Shaad extern uu_dprintf_t *uu_dprintf_create(const char *, uu_dprintf_severity_t,
123c1cb2cd8Shaad     uint_t);
124c1cb2cd8Shaad /*PRINTFLIKE3*/
125c1cb2cd8Shaad extern void uu_dprintf(uu_dprintf_t *, uu_dprintf_severity_t,
126c1cb2cd8Shaad     const char *, ...);
127c1cb2cd8Shaad extern void uu_dprintf_destroy(uu_dprintf_t *);
128c1cb2cd8Shaad extern const char *uu_dprintf_getname(uu_dprintf_t *);
129c1cb2cd8Shaad 
130c1cb2cd8Shaad /*
131c1cb2cd8Shaad  * Identifier test flags and function.
132c1cb2cd8Shaad  */
133c1cb2cd8Shaad #define	UU_NAME_DOMAIN		0x1	/* allow SUNW, or com.sun, prefix */
134c1cb2cd8Shaad #define	UU_NAME_PATH		0x2	/* allow '/'-delimited paths */
135c1cb2cd8Shaad 
136c1cb2cd8Shaad int uu_check_name(const char *, uint_t);
137c1cb2cd8Shaad 
138c1cb2cd8Shaad /*
139c1cb2cd8Shaad  * File creation functions.
140c1cb2cd8Shaad  */
141c1cb2cd8Shaad extern int uu_open_tmp(const char *dir, uint_t uflags);
142c1cb2cd8Shaad 
143c1cb2cd8Shaad /*
144c1cb2cd8Shaad  * Convenience functions.
145c1cb2cd8Shaad  */
146*3227e6cfSchs #define	UU_NELEM(a)	(sizeof (a) / sizeof ((a)[0]))
147*3227e6cfSchs 
148c1cb2cd8Shaad /*PRINTFLIKE1*/
149c1cb2cd8Shaad extern char *uu_msprintf(const char *format, ...);
150c1cb2cd8Shaad extern void *uu_zalloc(size_t);
151c1cb2cd8Shaad extern char *uu_strdup(const char *);
152c1cb2cd8Shaad extern void uu_free(void *);
153c1cb2cd8Shaad 
154*3227e6cfSchs extern boolean_t uu_strcaseeq(const char *a, const char *b);
155*3227e6cfSchs extern boolean_t uu_streq(const char *a, const char *b);
156*3227e6cfSchs extern char *uu_strndup(const char *s, size_t n);
157*3227e6cfSchs extern boolean_t uu_strbw(const char *a, const char *b);
158*3227e6cfSchs extern void *uu_memdup(const void *buf, size_t sz);
159*3227e6cfSchs extern void uu_dump(FILE *out, const char *prefix, const void *buf, size_t len);
160*3227e6cfSchs 
161c1cb2cd8Shaad /*
162c1cb2cd8Shaad  * Comparison function type definition.
163c1cb2cd8Shaad  *   Developers should be careful in their use of the _private argument. If you
164c1cb2cd8Shaad  *   break interface guarantees, you get undefined behavior.
165c1cb2cd8Shaad  */
166c1cb2cd8Shaad typedef int uu_compare_fn_t(const void *__left, const void *__right,
167c1cb2cd8Shaad     void *__private);
168c1cb2cd8Shaad 
169c1cb2cd8Shaad /*
170c1cb2cd8Shaad  * Walk variant flags.
171c1cb2cd8Shaad  *   A data structure need not provide support for all variants and
172c1cb2cd8Shaad  *   combinations.  Refer to the appropriate documentation.
173c1cb2cd8Shaad  */
174c1cb2cd8Shaad #define	UU_WALK_ROBUST		0x00000001	/* walk can survive removes */
175c1cb2cd8Shaad #define	UU_WALK_REVERSE		0x00000002	/* reverse walk order */
176c1cb2cd8Shaad 
177c1cb2cd8Shaad #define	UU_WALK_PREORDER	0x00000010	/* walk tree in pre-order */
178c1cb2cd8Shaad #define	UU_WALK_POSTORDER	0x00000020	/* walk tree in post-order */
179c1cb2cd8Shaad 
180c1cb2cd8Shaad /*
181c1cb2cd8Shaad  * Walk callback function return codes.
182c1cb2cd8Shaad  */
183c1cb2cd8Shaad #define	UU_WALK_ERROR		-1
184c1cb2cd8Shaad #define	UU_WALK_NEXT		0
185c1cb2cd8Shaad #define	UU_WALK_DONE		1
186c1cb2cd8Shaad 
187c1cb2cd8Shaad /*
188c1cb2cd8Shaad  * Walk callback function type definition.
189c1cb2cd8Shaad  */
190c1cb2cd8Shaad typedef int uu_walk_fn_t(void *_elem, void *_private);
191c1cb2cd8Shaad 
192c1cb2cd8Shaad /*
193c1cb2cd8Shaad  * lists: opaque structures
194c1cb2cd8Shaad  */
195c1cb2cd8Shaad typedef struct uu_list_pool uu_list_pool_t;
196c1cb2cd8Shaad typedef struct uu_list uu_list_t;
197c1cb2cd8Shaad 
198c1cb2cd8Shaad typedef struct uu_list_node {
199c1cb2cd8Shaad 	uintptr_t uln_opaque[2];
200c1cb2cd8Shaad } uu_list_node_t;
201c1cb2cd8Shaad 
202c1cb2cd8Shaad typedef struct uu_list_walk uu_list_walk_t;
203c1cb2cd8Shaad 
204c1cb2cd8Shaad typedef uintptr_t uu_list_index_t;
205c1cb2cd8Shaad 
206c1cb2cd8Shaad /*
207c1cb2cd8Shaad  * lists: interface
208c1cb2cd8Shaad  *
209c1cb2cd8Shaad  * basic usage:
210c1cb2cd8Shaad  *	typedef struct foo {
211c1cb2cd8Shaad  *		...
212c1cb2cd8Shaad  *		uu_list_node_t foo_node;
213c1cb2cd8Shaad  *		...
214c1cb2cd8Shaad  *	} foo_t;
215c1cb2cd8Shaad  *
216c1cb2cd8Shaad  *	static int
217c1cb2cd8Shaad  *	foo_compare(void *l_arg, void *r_arg, void *private)
218c1cb2cd8Shaad  *	{
219c1cb2cd8Shaad  *		foo_t *l = l_arg;
220c1cb2cd8Shaad  *		foo_t *r = r_arg;
221c1cb2cd8Shaad  *
222c1cb2cd8Shaad  *		if (... l greater than r ...)
223c1cb2cd8Shaad  *			return (1);
224c1cb2cd8Shaad  *		if (... l less than r ...)
225c1cb2cd8Shaad  *			return (-1);
226c1cb2cd8Shaad  *		return (0);
227c1cb2cd8Shaad  *	}
228c1cb2cd8Shaad  *
229c1cb2cd8Shaad  *	...
230c1cb2cd8Shaad  *		// at initialization time
231c1cb2cd8Shaad  *		foo_pool = uu_list_pool_create("foo_pool",
232c1cb2cd8Shaad  *		    sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare,
233c1cb2cd8Shaad  *		    debugging? 0 : UU_AVL_POOL_DEBUG);
234c1cb2cd8Shaad  *	...
235c1cb2cd8Shaad  */
236c1cb2cd8Shaad uu_list_pool_t *uu_list_pool_create(const char *, size_t, size_t,
237c1cb2cd8Shaad     uu_compare_fn_t *, uint32_t);
238c1cb2cd8Shaad #define	UU_LIST_POOL_DEBUG	0x00000001
239c1cb2cd8Shaad 
240c1cb2cd8Shaad void uu_list_pool_destroy(uu_list_pool_t *);
241c1cb2cd8Shaad 
242c1cb2cd8Shaad /*
243c1cb2cd8Shaad  * usage:
244c1cb2cd8Shaad  *
245c1cb2cd8Shaad  *	foo_t *a;
246c1cb2cd8Shaad  *	a = malloc(sizeof(*a));
247c1cb2cd8Shaad  *	uu_list_node_init(a, &a->foo_list, pool);
248c1cb2cd8Shaad  *	...
249c1cb2cd8Shaad  *	uu_list_node_fini(a, &a->foo_list, pool);
250c1cb2cd8Shaad  *	free(a);
251c1cb2cd8Shaad  */
252c1cb2cd8Shaad void uu_list_node_init(void *, uu_list_node_t *, uu_list_pool_t *);
253c1cb2cd8Shaad void uu_list_node_fini(void *, uu_list_node_t *, uu_list_pool_t *);
254c1cb2cd8Shaad 
255c1cb2cd8Shaad uu_list_t *uu_list_create(uu_list_pool_t *, void *_parent, uint32_t);
256c1cb2cd8Shaad #define	UU_LIST_DEBUG	0x00000001
257c1cb2cd8Shaad #define	UU_LIST_SORTED	0x00000002	/* list is sorted */
258c1cb2cd8Shaad 
259c1cb2cd8Shaad void uu_list_destroy(uu_list_t *);	/* list must be empty */
260c1cb2cd8Shaad 
261c1cb2cd8Shaad size_t uu_list_numnodes(uu_list_t *);
262c1cb2cd8Shaad 
263c1cb2cd8Shaad void *uu_list_first(uu_list_t *);
264c1cb2cd8Shaad void *uu_list_last(uu_list_t *);
265c1cb2cd8Shaad 
266c1cb2cd8Shaad void *uu_list_next(uu_list_t *, void *);
267c1cb2cd8Shaad void *uu_list_prev(uu_list_t *, void *);
268c1cb2cd8Shaad 
269c1cb2cd8Shaad int uu_list_walk(uu_list_t *, uu_walk_fn_t *, void *, uint32_t);
270c1cb2cd8Shaad 
271c1cb2cd8Shaad uu_list_walk_t *uu_list_walk_start(uu_list_t *, uint32_t);
272c1cb2cd8Shaad void *uu_list_walk_next(uu_list_walk_t *);
273c1cb2cd8Shaad void uu_list_walk_end(uu_list_walk_t *);
274c1cb2cd8Shaad 
275c1cb2cd8Shaad void *uu_list_find(uu_list_t *, void *, void *, uu_list_index_t *);
276c1cb2cd8Shaad void uu_list_insert(uu_list_t *, void *, uu_list_index_t);
277c1cb2cd8Shaad 
278c1cb2cd8Shaad void *uu_list_nearest_next(uu_list_t *, uu_list_index_t);
279c1cb2cd8Shaad void *uu_list_nearest_prev(uu_list_t *, uu_list_index_t);
280c1cb2cd8Shaad 
281c1cb2cd8Shaad void *uu_list_teardown(uu_list_t *, void **);
282c1cb2cd8Shaad 
283c1cb2cd8Shaad void uu_list_remove(uu_list_t *, void *);
284c1cb2cd8Shaad 
285c1cb2cd8Shaad /*
286c1cb2cd8Shaad  * lists: interfaces for non-sorted lists only
287c1cb2cd8Shaad  */
288c1cb2cd8Shaad int uu_list_insert_before(uu_list_t *, void *_target, void *_elem);
289c1cb2cd8Shaad int uu_list_insert_after(uu_list_t *, void *_target, void *_elem);
290c1cb2cd8Shaad 
291c1cb2cd8Shaad /*
292c1cb2cd8Shaad  * avl trees: opaque structures
293c1cb2cd8Shaad  */
294c1cb2cd8Shaad typedef struct uu_avl_pool uu_avl_pool_t;
295c1cb2cd8Shaad typedef struct uu_avl uu_avl_t;
296c1cb2cd8Shaad 
297c1cb2cd8Shaad typedef struct uu_avl_node {
298c1cb2cd8Shaad #ifdef _LP64
299c1cb2cd8Shaad 	uintptr_t uan_opaque[3];
300c1cb2cd8Shaad #else
301c1cb2cd8Shaad 	uintptr_t uan_opaque[4];
302c1cb2cd8Shaad #endif
303c1cb2cd8Shaad } uu_avl_node_t;
304c1cb2cd8Shaad 
305c1cb2cd8Shaad typedef struct uu_avl_walk uu_avl_walk_t;
306c1cb2cd8Shaad 
307c1cb2cd8Shaad typedef uintptr_t uu_avl_index_t;
308c1cb2cd8Shaad 
309c1cb2cd8Shaad /*
310c1cb2cd8Shaad  * avl trees: interface
311c1cb2cd8Shaad  *
312c1cb2cd8Shaad  * basic usage:
313c1cb2cd8Shaad  *	typedef struct foo {
314c1cb2cd8Shaad  *		...
315c1cb2cd8Shaad  *		uu_avl_node_t foo_node;
316c1cb2cd8Shaad  *		...
317c1cb2cd8Shaad  *	} foo_t;
318c1cb2cd8Shaad  *
319c1cb2cd8Shaad  *	static int
320c1cb2cd8Shaad  *	foo_compare(void *l_arg, void *r_arg, void *private)
321c1cb2cd8Shaad  *	{
322c1cb2cd8Shaad  *		foo_t *l = l_arg;
323c1cb2cd8Shaad  *		foo_t *r = r_arg;
324c1cb2cd8Shaad  *
325c1cb2cd8Shaad  *		if (... l greater than r ...)
326c1cb2cd8Shaad  *			return (1);
327c1cb2cd8Shaad  *		if (... l less than r ...)
328c1cb2cd8Shaad  *			return (-1);
329c1cb2cd8Shaad  *		return (0);
330c1cb2cd8Shaad  *	}
331c1cb2cd8Shaad  *
332c1cb2cd8Shaad  *	...
333c1cb2cd8Shaad  *		// at initialization time
334c1cb2cd8Shaad  *		foo_pool = uu_avl_pool_create("foo_pool",
335c1cb2cd8Shaad  *		    sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare,
336c1cb2cd8Shaad  *		    debugging? 0 : UU_AVL_POOL_DEBUG);
337c1cb2cd8Shaad  *	...
338c1cb2cd8Shaad  */
339c1cb2cd8Shaad uu_avl_pool_t *uu_avl_pool_create(const char *, size_t, size_t,
340c1cb2cd8Shaad     uu_compare_fn_t *, uint32_t);
341c1cb2cd8Shaad #define	UU_AVL_POOL_DEBUG	0x00000001
342c1cb2cd8Shaad 
343c1cb2cd8Shaad void uu_avl_pool_destroy(uu_avl_pool_t *);
344c1cb2cd8Shaad 
345c1cb2cd8Shaad /*
346c1cb2cd8Shaad  * usage:
347c1cb2cd8Shaad  *
348c1cb2cd8Shaad  *	foo_t *a;
349c1cb2cd8Shaad  *	a = malloc(sizeof(*a));
350c1cb2cd8Shaad  *	uu_avl_node_init(a, &a->foo_avl, pool);
351c1cb2cd8Shaad  *	...
352c1cb2cd8Shaad  *	uu_avl_node_fini(a, &a->foo_avl, pool);
353c1cb2cd8Shaad  *	free(a);
354c1cb2cd8Shaad  */
355c1cb2cd8Shaad void uu_avl_node_init(void *, uu_avl_node_t *, uu_avl_pool_t *);
356c1cb2cd8Shaad void uu_avl_node_fini(void *, uu_avl_node_t *, uu_avl_pool_t *);
357c1cb2cd8Shaad 
358c1cb2cd8Shaad uu_avl_t *uu_avl_create(uu_avl_pool_t *, void *_parent, uint32_t);
359c1cb2cd8Shaad #define	UU_AVL_DEBUG	0x00000001
360c1cb2cd8Shaad 
361c1cb2cd8Shaad void uu_avl_destroy(uu_avl_t *);	/* list must be empty */
362c1cb2cd8Shaad 
363c1cb2cd8Shaad size_t uu_avl_numnodes(uu_avl_t *);
364c1cb2cd8Shaad 
365c1cb2cd8Shaad void *uu_avl_first(uu_avl_t *);
366c1cb2cd8Shaad void *uu_avl_last(uu_avl_t *);
367c1cb2cd8Shaad 
368c1cb2cd8Shaad void *uu_avl_next(uu_avl_t *, void *);
369c1cb2cd8Shaad void *uu_avl_prev(uu_avl_t *, void *);
370c1cb2cd8Shaad 
371c1cb2cd8Shaad int uu_avl_walk(uu_avl_t *, uu_walk_fn_t *, void *, uint32_t);
372c1cb2cd8Shaad 
373c1cb2cd8Shaad uu_avl_walk_t *uu_avl_walk_start(uu_avl_t *, uint32_t);
374c1cb2cd8Shaad void *uu_avl_walk_next(uu_avl_walk_t *);
375c1cb2cd8Shaad void uu_avl_walk_end(uu_avl_walk_t *);
376c1cb2cd8Shaad 
377c1cb2cd8Shaad void *uu_avl_find(uu_avl_t *, void *, void *, uu_avl_index_t *);
378c1cb2cd8Shaad void uu_avl_insert(uu_avl_t *, void *, uu_avl_index_t);
379c1cb2cd8Shaad 
380c1cb2cd8Shaad void *uu_avl_nearest_next(uu_avl_t *, uu_avl_index_t);
381c1cb2cd8Shaad void *uu_avl_nearest_prev(uu_avl_t *, uu_avl_index_t);
382c1cb2cd8Shaad 
383c1cb2cd8Shaad void *uu_avl_teardown(uu_avl_t *, void **);
384c1cb2cd8Shaad 
385c1cb2cd8Shaad void uu_avl_remove(uu_avl_t *, void *);
386c1cb2cd8Shaad 
387c1cb2cd8Shaad #ifdef	__cplusplus
388c1cb2cd8Shaad }
389c1cb2cd8Shaad #endif
390c1cb2cd8Shaad 
391c1cb2cd8Shaad #endif	/* _LIBUUTIL_H */
392