1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #ifndef _LIBNVPAIR_H
26 #define _LIBNVPAIR_H
27
28 #include <sys/nvpair.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <regex.h>
32
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36
37 /*
38 * All interfaces described in this file are private to Solaris, and
39 * are subject to change at any time and without notice. The public
40 * nvlist/nvpair interfaces, as documented in manpage sections 3NVPAIR,
41 * are all imported from <sys/nvpair.h> included above.
42 */
43
44 extern int nvpair_value_match(nvpair_t *, int, char *, char **);
45 extern int nvpair_value_match_regex(nvpair_t *, int, char *, regex_t *,
46 char **);
47
48 extern void nvlist_print(FILE *, nvlist_t *);
49 extern void dump_nvlist(nvlist_t *, int);
50
51 /*
52 * Private nvlist printing interface that allows the caller some control
53 * over output rendering (as opposed to nvlist_print and dump_nvlist).
54 *
55 * Obtain an opaque nvlist_prtctl_t cookie using nvlist_prtctl_alloc
56 * (NULL on failure); on return the cookie is set up for default formatting
57 * and rendering. Quote the cookie in subsequent customisation functions and
58 * then pass the cookie to nvlist_prt to render the nvlist. Finally,
59 * use nvlist_prtctl_free to release the cookie.
60 *
61 * For all nvlist_lookup_xxx and nvlist_lookup_xxx_array functions
62 * we have a corresponding brace of functions that appoint replacement
63 * rendering functions:
64 *
65 * extern void nvlist_prtctl_xxx(nvlist_prtctl_t,
66 * void (*)(nvlist_prtctl_t ctl, void *private, const char *name,
67 * xxxtype value))
68 *
69 * and
70 *
71 * extern void nvlist_prtctl_xxx_array(nvlist_prtctl_t,
72 * void (*)(nvlist_prtctl_t ctl, void *private, const char *name,
73 * xxxtype value, uint_t count))
74 *
75 * where xxxtype is the C datatype corresponding to xxx, eg int8_t for "int8"
76 * and char * for "string". The function that is appointed to render the
77 * specified datatype receives as arguments the cookie, the nvlist
78 * member name, the value of that member (or a pointer for array function),
79 * and (for array rendering functions) a count of the number of elements.
80 */
81
82 typedef struct nvlist_prtctl *nvlist_prtctl_t; /* opaque */
83
84 enum nvlist_indent_mode {
85 NVLIST_INDENT_ABS, /* Absolute indentation */
86 NVLIST_INDENT_TABBED /* Indent with tabstops */
87 };
88
89 extern nvlist_prtctl_t nvlist_prtctl_alloc(void);
90 extern void nvlist_prtctl_free(nvlist_prtctl_t);
91 extern void nvlist_prt(nvlist_t *, nvlist_prtctl_t);
92
93 /* Output stream */
94 extern void nvlist_prtctl_setdest(nvlist_prtctl_t, FILE *);
95 extern FILE *nvlist_prtctl_getdest(nvlist_prtctl_t);
96
97 /* Indentation mode, start indent, indent increment; default tabbed/0/1 */
98 extern void nvlist_prtctl_setindent(nvlist_prtctl_t, enum nvlist_indent_mode,
99 int, int);
100 extern void nvlist_prtctl_doindent(nvlist_prtctl_t, int);
101
102 enum nvlist_prtctl_fmt {
103 NVLIST_FMT_MEMBER_NAME, /* name fmt; default "%s = " */
104 NVLIST_FMT_MEMBER_POSTAMBLE, /* after nvlist member; default "\n" */
105 NVLIST_FMT_BTWN_ARRAY /* between array members; default " " */
106 };
107
108 extern void nvlist_prtctl_setfmt(nvlist_prtctl_t, enum nvlist_prtctl_fmt,
109 const char *);
110 extern void nvlist_prtctl_dofmt(nvlist_prtctl_t, enum nvlist_prtctl_fmt, ...);
111
112 /*
113 * Function prototypes for interfaces that appoint a new rendering function
114 * for single-valued nvlist members.
115 *
116 * A replacement function receives arguments as follows:
117 *
118 * nvlist_prtctl_t Print control structure; do not change preferences
119 * for this object from a print callback function.
120 *
121 * void * The function-private cookie argument registered
122 * when the replacement function was appointed.
123 *
124 * nvlist_t * The full nvlist that is being processed. The
125 * rendering function is called to render a single
126 * member (name and value passed as below) but it may
127 * want to reference or incorporate other aspects of
128 * the full nvlist.
129 *
130 * const char * Member name to render
131 *
132 * valtype Value of the member to render
133 *
134 * The function must return non-zero if it has rendered output for this
135 * member, or 0 if it wants to default to standard rendering for this
136 * one member.
137 */
138
139 #define NVLIST_PRINTCTL_SVDECL(funcname, valtype) \
140 extern void funcname(nvlist_prtctl_t, \
141 int (*)(nvlist_prtctl_t, void *, nvlist_t *, const char *, valtype), \
142 void *)
143
144 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_boolean, int);
145 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_boolean_value, boolean_t);
146 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_byte, uchar_t);
147 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int8, int8_t);
148 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint8, uint8_t);
149 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int16, int16_t);
150 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint16, uint16_t);
151 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int32, int32_t);
152 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint32, uint32_t);
153 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_int64, int64_t);
154 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_uint64, uint64_t);
155 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_double, double);
156 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_string, char *);
157 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_hrtime, hrtime_t);
158 NVLIST_PRINTCTL_SVDECL(nvlist_prtctlop_nvlist, nvlist_t *);
159
160 #undef NVLIST_PRINTCTL_SVDECL /* was just for "clarity" above */
161
162 /*
163 * Function prototypes for interfaces that appoint a new rendering function
164 * for array-valued nvlist members.
165 *
166 * One additional argument is taken: uint_t for the number of array elements
167 *
168 * Return values as above.
169 */
170 #define NVLIST_PRINTCTL_AVDECL(funcname, vtype) \
171 extern void funcname(nvlist_prtctl_t, \
172 int (*)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype, uint_t), \
173 void *)
174
175 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_boolean_array, boolean_t *);
176 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_byte_array, uchar_t *);
177 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int8_array, int8_t *);
178 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint8_array, uint8_t *);
179 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int16_array, int16_t *);
180 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint16_array, uint16_t *);
181 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int32_array, int32_t *);
182 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint32_array, uint32_t *);
183 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_int64_array, int64_t *);
184 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_uint64_array, uint64_t *);
185 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_string_array, char **);
186 NVLIST_PRINTCTL_AVDECL(nvlist_prtctlop_nvlist_array, nvlist_t **);
187
188 #undef NVLIST_PRINTCTL_AVDECL /* was just for "clarity" above */
189
190 #ifdef __cplusplus
191 }
192 #endif
193
194 #endif /* _LIBNVPAIR_H */