3 files changed, 597 insertions, 0 deletions
diff --git a/lib/libuutil/include/libuutil.h b/lib/libuutil/include/libuutil.h
new file mode 100644
index 000000000..ccd46b977
--- /dev/null
+++ b/lib/libuutil/include/libuutil.h
@@ -0,0 +1,381 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LIBUUTIL_H
+#define	_LIBUUTIL_H
+
+#include <sys/types.h>
+#include <stdarg.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Standard flags codes.
+ */
+#define	UU_DEFAULT		0
+
+/*
+ * Standard error codes.
+ */
+#define	UU_ERROR_NONE		0	/* no error */
+#define	UU_ERROR_INVALID_ARGUMENT 1	/* invalid argument */
+#define	UU_ERROR_UNKNOWN_FLAG	2	/* passed flag invalid */
+#define	UU_ERROR_NO_MEMORY	3	/* out of memory */
+#define	UU_ERROR_CALLBACK_FAILED 4	/* callback-initiated error */
+#define	UU_ERROR_NOT_SUPPORTED	5	/* operation not supported */
+#define	UU_ERROR_EMPTY		6	/* no value provided */
+#define	UU_ERROR_UNDERFLOW	7	/* value is too small */
+#define	UU_ERROR_OVERFLOW	8	/* value is too value */
+#define	UU_ERROR_INVALID_CHAR	9	/* value contains unexpected char */
+#define	UU_ERROR_INVALID_DIGIT	10	/* value contains digit not in base */
+
+#define	UU_ERROR_SYSTEM		99	/* underlying system error */
+#define	UU_ERROR_UNKNOWN	100	/* error status not known */
+
+/*
+ * Standard program exit codes.
+ */
+#define	UU_EXIT_OK	(*(uu_exit_ok()))
+#define	UU_EXIT_FATAL	(*(uu_exit_fatal()))
+#define	UU_EXIT_USAGE	(*(uu_exit_usage()))
+
+/*
+ * Exit status profiles.
+ */
+#define	UU_PROFILE_DEFAULT	0
+#define	UU_PROFILE_LAUNCHER	1
+
+/*
+ * Error reporting functions.
+ */
+uint32_t uu_error(void);
+const char *uu_strerror(uint32_t);
+
+/*
+ * Program notification functions.
+ */
+extern void uu_alt_exit(int);
+extern const char *uu_setpname(char *);
+extern const char *uu_getpname(void);
+/*PRINTFLIKE1*/
+extern void uu_warn(const char *, ...);
+extern void uu_vwarn(const char *, va_list);
+/*PRINTFLIKE1*/
+extern void uu_die(const char *, ...) __NORETURN;
+extern void uu_vdie(const char *, va_list) __NORETURN;
+/*PRINTFLIKE2*/
+extern void uu_xdie(int, const char *, ...) __NORETURN;
+extern void uu_vxdie(int, const char *, va_list) __NORETURN;
+
+/*
+ * Exit status functions (not to be used directly)
+ */
+extern int *uu_exit_ok(void);
+extern int *uu_exit_fatal(void);
+extern int *uu_exit_usage(void);
+
+/*
+ * string->number conversions
+ */
+extern int uu_strtoint(const char *, void *, size_t, int, int64_t, int64_t);
+extern int uu_strtouint(const char *, void *, size_t, int, uint64_t, uint64_t);
+
+/*
+ * Debug print facility functions.
+ */
+typedef struct uu_dprintf uu_dprintf_t;
+
+typedef enum {
+	UU_DPRINTF_SILENT,
+	UU_DPRINTF_FATAL,
+	UU_DPRINTF_WARNING,
+	UU_DPRINTF_NOTICE,
+	UU_DPRINTF_INFO,
+	UU_DPRINTF_DEBUG
+} uu_dprintf_severity_t;
+
+extern uu_dprintf_t *uu_dprintf_create(const char *, uu_dprintf_severity_t,
+    uint_t);
+/*PRINTFLIKE3*/
+extern void uu_dprintf(uu_dprintf_t *, uu_dprintf_severity_t,
+    const char *, ...);
+extern void uu_dprintf_destroy(uu_dprintf_t *);
+extern const char *uu_dprintf_getname(uu_dprintf_t *);
+
+/*
+ * Identifier test flags and function.
+ */
+#define	UU_NAME_DOMAIN		0x1	/* allow SUNW, or com.sun, prefix */
+#define	UU_NAME_PATH		0x2	/* allow '/'-delimited paths */
+
+int uu_check_name(const char *, uint_t);
+
+/*
+ * File creation functions.
+ */
+extern int uu_open_tmp(const char *dir, uint_t uflags);
+
+/*
+ * Convenience functions.
+ */
+/*PRINTFLIKE1*/
+extern char *uu_msprintf(const char *format, ...);
+extern void *uu_zalloc(size_t);
+extern char *uu_strdup(const char *);
+extern void uu_free(void *);
+
+/*
+ * Comparison function type definition.
+ *   Developers should be careful in their use of the _private argument. If you
+ *   break interface guarantees, you get undefined behavior.
+ */
+typedef int uu_compare_fn_t(const void *__left, const void *__right,
+    void *__private);
+
+/*
+ * Walk variant flags.
+ *   A data structure need not provide support for all variants and
+ *   combinations.  Refer to the appropriate documentation.
+ */
+#define	UU_WALK_ROBUST		0x00000001	/* walk can survive removes */
+#define	UU_WALK_REVERSE		0x00000002	/* reverse walk order */
+
+#define	UU_WALK_PREORDER	0x00000010	/* walk tree in pre-order */
+#define	UU_WALK_POSTORDER	0x00000020	/* walk tree in post-order */
+
+/*
+ * Walk callback function return codes.
+ */
+#define	UU_WALK_ERROR		-1
+#define	UU_WALK_NEXT		0
+#define	UU_WALK_DONE		1
+
+/*
+ * Walk callback function type definition.
+ */
+typedef int uu_walk_fn_t(void *_elem, void *_private);
+
+/*
+ * lists: opaque structures
+ */
+typedef struct uu_list_pool uu_list_pool_t;
+typedef struct uu_list uu_list_t;
+
+typedef struct uu_list_node {
+	uintptr_t uln_opaque[2];
+} uu_list_node_t;
+
+typedef struct uu_list_walk uu_list_walk_t;
+
+typedef uintptr_t uu_list_index_t;
+
+/*
+ * lists: interface
+ *
+ * basic usage:
+ *	typedef struct foo {
+ *		...
+ *		uu_list_node_t foo_node;
+ *		...
+ *	} foo_t;
+ *
+ *	static int
+ *	foo_compare(void *l_arg, void *r_arg, void *private)
+ *	{
+ *		foo_t *l = l_arg;
+ *		foo_t *r = r_arg;
+ *
+ *		if (... l greater than r ...)
+ *			return (1);
+ *		if (... l less than r ...)
+ *			return (-1);
+ *		return (0);
+ *	}
+ *
+ *	...
+ *		// at initialization time
+ *		foo_pool = uu_list_pool_create("foo_pool",
+ *		    sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare,
+ *		    debugging? 0 : UU_AVL_POOL_DEBUG);
+ *	...
+ */
+uu_list_pool_t *uu_list_pool_create(const char *, size_t, size_t,
+    uu_compare_fn_t *, uint32_t);
+#define	UU_LIST_POOL_DEBUG	0x00000001
+
+void uu_list_pool_destroy(uu_list_pool_t *);
+
+/*
+ * usage:
+ *
+ *	foo_t *a;
+ *	a = malloc(sizeof(*a));
+ *	uu_list_node_init(a, &a->foo_list, pool);
+ *	...
+ *	uu_list_node_fini(a, &a->foo_list, pool);
+ *	free(a);
+ */
+void uu_list_node_init(void *, uu_list_node_t *, uu_list_pool_t *);
+void uu_list_node_fini(void *, uu_list_node_t *, uu_list_pool_t *);
+
+uu_list_t *uu_list_create(uu_list_pool_t *, void *_parent, uint32_t);
+#define	UU_LIST_DEBUG	0x00000001
+#define	UU_LIST_SORTED	0x00000002	/* list is sorted */
+
+void uu_list_destroy(uu_list_t *);	/* list must be empty */
+
+size_t uu_list_numnodes(uu_list_t *);
+
+void *uu_list_first(uu_list_t *);
+void *uu_list_last(uu_list_t *);
+
+void *uu_list_next(uu_list_t *, void *);
+void *uu_list_prev(uu_list_t *, void *);
+
+int uu_list_walk(uu_list_t *, uu_walk_fn_t *, void *, uint32_t);
+
+uu_list_walk_t *uu_list_walk_start(uu_list_t *, uint32_t);
+void *uu_list_walk_next(uu_list_walk_t *);
+void uu_list_walk_end(uu_list_walk_t *);
+
+void *uu_list_find(uu_list_t *, void *, void *, uu_list_index_t *);
+void uu_list_insert(uu_list_t *, void *, uu_list_index_t);
+
+void *uu_list_nearest_next(uu_list_t *, uu_list_index_t);
+void *uu_list_nearest_prev(uu_list_t *, uu_list_index_t);
+
+void *uu_list_teardown(uu_list_t *, void **);
+
+void uu_list_remove(uu_list_t *, void *);
+
+/*
+ * lists: interfaces for non-sorted lists only
+ */
+int uu_list_insert_before(uu_list_t *, void *_target, void *_elem);
+int uu_list_insert_after(uu_list_t *, void *_target, void *_elem);
+
+/*
+ * avl trees: opaque structures
+ */
+typedef struct uu_avl_pool uu_avl_pool_t;
+typedef struct uu_avl uu_avl_t;
+
+typedef struct uu_avl_node {
+#ifdef _LP64
+	uintptr_t uan_opaque[3];
+#else
+	uintptr_t uan_opaque[4];
+#endif
+} uu_avl_node_t;
+
+typedef struct uu_avl_walk uu_avl_walk_t;
+
+typedef uintptr_t uu_avl_index_t;
+
+/*
+ * avl trees: interface
+ *
+ * basic usage:
+ *	typedef struct foo {
+ *		...
+ *		uu_avl_node_t foo_node;
+ *		...
+ *	} foo_t;
+ *
+ *	static int
+ *	foo_compare(void *l_arg, void *r_arg, void *private)
+ *	{
+ *		foo_t *l = l_arg;
+ *		foo_t *r = r_arg;
+ *
+ *		if (... l greater than r ...)
+ *			return (1);
+ *		if (... l less than r ...)
+ *			return (-1);
+ *		return (0);
+ *	}
+ *
+ *	...
+ *		// at initialization time
+ *		foo_pool = uu_avl_pool_create("foo_pool",
+ *		    sizeof (foo_t), offsetof(foo_t, foo_node), foo_compare,
+ *		    debugging? 0 : UU_AVL_POOL_DEBUG);
+ *	...
+ */
+uu_avl_pool_t *uu_avl_pool_create(const char *, size_t, size_t,
+    uu_compare_fn_t *, uint32_t);
+#define	UU_AVL_POOL_DEBUG	0x00000001
+
+void uu_avl_pool_destroy(uu_avl_pool_t *);
+
+/*
+ * usage:
+ *
+ *	foo_t *a;
+ *	a = malloc(sizeof(*a));
+ *	uu_avl_node_init(a, &a->foo_avl, pool);
+ *	...
+ *	uu_avl_node_fini(a, &a->foo_avl, pool);
+ *	free(a);
+ */
+void uu_avl_node_init(void *, uu_avl_node_t *, uu_avl_pool_t *);
+void uu_avl_node_fini(void *, uu_avl_node_t *, uu_avl_pool_t *);
+
+uu_avl_t *uu_avl_create(uu_avl_pool_t *, void *_parent, uint32_t);
+#define	UU_AVL_DEBUG	0x00000001
+
+void uu_avl_destroy(uu_avl_t *);	/* list must be empty */
+
+size_t uu_avl_numnodes(uu_avl_t *);
+
+void *uu_avl_first(uu_avl_t *);
+void *uu_avl_last(uu_avl_t *);
+
+void *uu_avl_next(uu_avl_t *, void *);
+void *uu_avl_prev(uu_avl_t *, void *);
+
+int uu_avl_walk(uu_avl_t *, uu_walk_fn_t *, void *, uint32_t);
+
+uu_avl_walk_t *uu_avl_walk_start(uu_avl_t *, uint32_t);
+void *uu_avl_walk_next(uu_avl_walk_t *);
+void uu_avl_walk_end(uu_avl_walk_t *);
+
+void *uu_avl_find(uu_avl_t *, void *, void *, uu_avl_index_t *);
+void uu_avl_insert(uu_avl_t *, void *, uu_avl_index_t);
+
+void *uu_avl_nearest_next(uu_avl_t *, uu_avl_index_t);
+void *uu_avl_nearest_prev(uu_avl_t *, uu_avl_index_t);
+
+void *uu_avl_teardown(uu_avl_t *, void **);
+
+void uu_avl_remove(uu_avl_t *, void *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LIBUUTIL_H */
diff --git a/lib/libuutil/include/libuutil_common.h b/lib/libuutil/include/libuutil_common.h
new file mode 100644
index 000000000..9ebaaedfd
--- /dev/null
+++ b/lib/libuutil/include/libuutil_common.h
@@ -0,0 +1,35 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LIBUUTIL_COMMON_H
+#define	_LIBUUTIL_COMMON_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <libuutil.h>
+#include <libuutil_impl.h>
+
+#endif	/* _LIBUUTIL_COMMON_H */
diff --git a/lib/libuutil/include/libuutil_impl.h b/lib/libuutil/include/libuutil_impl.h
new file mode 100644
index 000000000..9466e5974
--- /dev/null
+++ b/lib/libuutil/include/libuutil_impl.h
@@ -0,0 +1,181 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_LIBUUTIL_IMPL_H
+#define	_LIBUUTIL_IMPL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <libuutil.h>
+#include <pthread.h>
+
+#include <sys/avl_impl.h>
+#include <sys/byteorder.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+void uu_set_error(uint_t);
+#pragma rarely_called(uu_set_error)
+
+/*PRINTFLIKE1*/
+void uu_panic(const char *format, ...);
+#pragma rarely_called(uu_panic)
+
+struct uu_dprintf {
+	char	*uud_name;
+	uu_dprintf_severity_t uud_severity;
+	uint_t	uud_flags;
+};
+
+/*
+ * For debugging purposes, libuutil keeps around linked lists of all uu_lists
+ * and uu_avls, along with pointers to their parents.  These can cause false
+ * negatives when looking for memory leaks, so we encode the pointers by
+ * storing them with swapped endianness;  this is not perfect, but it's about
+ * the best we can do without wasting a lot of space.
+ */
+#ifdef _LP64
+#define	UU_PTR_ENCODE(ptr)		BSWAP_64((uintptr_t)(void *)(ptr))
+#else
+#define	UU_PTR_ENCODE(ptr)		BSWAP_32((uintptr_t)(void *)(ptr))
+#endif
+
+#define	UU_PTR_DECODE(ptr)		((void *)UU_PTR_ENCODE(ptr))
+
+/*
+ * uu_list structures
+ */
+typedef struct uu_list_node_impl {
+	struct uu_list_node_impl *uln_next;
+	struct uu_list_node_impl *uln_prev;
+} uu_list_node_impl_t;
+
+struct uu_list_walk {
+	uu_list_walk_t	*ulw_next;
+	uu_list_walk_t	*ulw_prev;
+
+	uu_list_t	*ulw_list;
+	int8_t		ulw_dir;
+	uint8_t		ulw_robust;
+	uu_list_node_impl_t *ulw_next_result;
+};
+
+struct uu_list {
+	uintptr_t	ul_next_enc;
+	uintptr_t	ul_prev_enc;
+
+	uu_list_pool_t	*ul_pool;
+	uintptr_t	ul_parent_enc;	/* encoded parent pointer */
+	size_t		ul_offset;
+	size_t		ul_numnodes;
+	uint8_t		ul_debug;
+	uint8_t		ul_sorted;
+	uint8_t		ul_index;	/* mark for uu_list_index_ts */
+
+	uu_list_node_impl_t ul_null_node;
+	uu_list_walk_t	ul_null_walk;	/* for robust walkers */
+};
+
+#define	UU_LIST_PTR(ptr)		((uu_list_t *)UU_PTR_DECODE(ptr))
+
+#define	UU_LIST_POOL_MAXNAME	64
+
+struct uu_list_pool {
+	uu_list_pool_t	*ulp_next;
+	uu_list_pool_t	*ulp_prev;
+
+	char		ulp_name[UU_LIST_POOL_MAXNAME];
+	size_t		ulp_nodeoffset;
+	size_t		ulp_objsize;
+	uu_compare_fn_t	*ulp_cmp;
+	uint8_t		ulp_debug;
+	uint8_t		ulp_last_index;
+	pthread_mutex_t	ulp_lock;		/* protects null_list */
+	uu_list_t	ulp_null_list;
+};
+
+/*
+ * uu_avl structures
+ */
+typedef struct avl_node		uu_avl_node_impl_t;
+
+struct uu_avl_walk {
+	uu_avl_walk_t	*uaw_next;
+	uu_avl_walk_t	*uaw_prev;
+
+	uu_avl_t	*uaw_avl;
+	void		*uaw_next_result;
+	int8_t		uaw_dir;
+	uint8_t		uaw_robust;
+};
+
+struct uu_avl {
+	uintptr_t	ua_next_enc;
+	uintptr_t	ua_prev_enc;
+
+	uu_avl_pool_t	*ua_pool;
+	uintptr_t	ua_parent_enc;
+	uint8_t		ua_debug;
+	uint8_t		ua_index;	/* mark for uu_avl_index_ts */
+
+	struct avl_tree	ua_tree;
+	uu_avl_walk_t	ua_null_walk;
+};
+
+#define	UU_AVL_PTR(x)		((uu_avl_t *)UU_PTR_DECODE(x))
+
+#define	UU_AVL_POOL_MAXNAME	64
+
+struct uu_avl_pool {
+	uu_avl_pool_t	*uap_next;
+	uu_avl_pool_t	*uap_prev;
+
+	char		uap_name[UU_AVL_POOL_MAXNAME];
+	size_t		uap_nodeoffset;
+	size_t		uap_objsize;
+	uu_compare_fn_t	*uap_cmp;
+	uint8_t		uap_debug;
+	uint8_t		uap_last_index;
+	pthread_mutex_t	uap_lock;		/* protects null_avl */
+	uu_avl_t	uap_null_avl;
+};
+
+/*
+ * atfork() handlers
+ */
+void uu_avl_lockup(void);
+void uu_avl_release(void);
+
+void uu_list_lockup(void);
+void uu_list_release(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _LIBUUTIL_IMPL_H */