xref: /NextBSD/cddl/contrib/opensolaris/lib/libnvpair/libnvpair.c (revision 287e3b14e9552995def1802ec9c5034f4adf28ec)
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  * Copyright (c) 2012 by Delphix. All rights reserved.
24  */
25 
26 #include <solaris.h>
27 #include <inttypes.h>
28 #include <unistd.h>
29 #include <strings.h>
30 #include <libintl.h>
31 #include <stdarg.h>
32 #include "libnvpair.h"
33 
34 /*
35  * libnvpair - A tools library for manipulating <name, value> pairs.
36  *
37  *	This library provides routines packing an unpacking nv pairs
38  *	for transporting data across process boundaries, transporting
39  *	between kernel and userland, and possibly saving onto disk files.
40  */
41 
42 /*
43  * Print control structure.
44  */
45 
46 #define	DEFINEOP(opname, vtype) \
47 	struct { \
48 		int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
49 		    const char *, vtype); \
50 		void *arg; \
51 	} opname
52 
53 #define	DEFINEARROP(opname, vtype) \
54 	struct { \
55 		int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
56 		    const char *, vtype, uint_t); \
57 		void *arg; \
58 	} opname
59 
60 struct nvlist_printops {
61 	DEFINEOP(print_boolean, int);
62 	DEFINEOP(print_boolean_value, boolean_t);
63 	DEFINEOP(print_byte, uchar_t);
64 	DEFINEOP(print_int8, int8_t);
65 	DEFINEOP(print_uint8, uint8_t);
66 	DEFINEOP(print_int16, int16_t);
67 	DEFINEOP(print_uint16, uint16_t);
68 	DEFINEOP(print_int32, int32_t);
69 	DEFINEOP(print_uint32, uint32_t);
70 	DEFINEOP(print_int64, int64_t);
71 	DEFINEOP(print_uint64, uint64_t);
72 	DEFINEOP(print_double, double);
73 	DEFINEOP(print_string, char *);
74 	DEFINEOP(print_hrtime, hrtime_t);
75 	DEFINEOP(print_nvlist, nvlist_t *);
76 	DEFINEARROP(print_boolean_array, boolean_t *);
77 	DEFINEARROP(print_byte_array, uchar_t *);
78 	DEFINEARROP(print_int8_array, int8_t *);
79 	DEFINEARROP(print_uint8_array, uint8_t *);
80 	DEFINEARROP(print_int16_array, int16_t *);
81 	DEFINEARROP(print_uint16_array, uint16_t *);
82 	DEFINEARROP(print_int32_array, int32_t *);
83 	DEFINEARROP(print_uint32_array, uint32_t *);
84 	DEFINEARROP(print_int64_array, int64_t *);
85 	DEFINEARROP(print_uint64_array, uint64_t *);
86 	DEFINEARROP(print_string_array, char **);
87 	DEFINEARROP(print_nvlist_array, nvlist_t **);
88 };
89 
90 struct nvlist_prtctl {
91 	FILE *nvprt_fp;			/* output destination */
92 	enum nvlist_indent_mode nvprt_indent_mode; /* see above */
93 	int nvprt_indent;		/* absolute indent, or tab depth */
94 	int nvprt_indentinc;		/* indent or tab increment */
95 	const char *nvprt_nmfmt;	/* member name format, max one %s */
96 	const char *nvprt_eomfmt;	/* after member format, e.g. "\n" */
97 	const char *nvprt_btwnarrfmt;	/* between array members */
98 	int nvprt_btwnarrfmt_nl;	/* nvprt_eoamfmt includes newline? */
99 	struct nvlist_printops *nvprt_dfltops;
100 	struct nvlist_printops *nvprt_custops;
101 };
102 
103 #define	DFLTPRTOP(pctl, type) \
104 	((pctl)->nvprt_dfltops->print_##type.op)
105 
106 #define	DFLTPRTOPARG(pctl, type) \
107 	((pctl)->nvprt_dfltops->print_##type.arg)
108 
109 #define	CUSTPRTOP(pctl, type) \
110 	((pctl)->nvprt_custops->print_##type.op)
111 
112 #define	CUSTPRTOPARG(pctl, type) \
113 	((pctl)->nvprt_custops->print_##type.arg)
114 
115 #define	RENDER(pctl, type, nvl, name, val) \
116 	{ \
117 		int done = 0; \
118 		if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
119 			done = CUSTPRTOP(pctl, type)(pctl, \
120 			    CUSTPRTOPARG(pctl, type), nvl, name, val); \
121 		} \
122 		if (!done) { \
123 			(void) DFLTPRTOP(pctl, type)(pctl, \
124 			    DFLTPRTOPARG(pctl, type), nvl, name, val); \
125 		} \
126 		(void) fprintf(pctl->nvprt_fp, pctl->nvprt_eomfmt); \
127 	}
128 
129 #define	ARENDER(pctl, type, nvl, name, arrp, count) \
130 	{ \
131 		int done = 0; \
132 		if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
133 			done = CUSTPRTOP(pctl, type)(pctl, \
134 			    CUSTPRTOPARG(pctl, type), nvl, name, arrp, count); \
135 		} \
136 		if (!done) { \
137 			(void) DFLTPRTOP(pctl, type)(pctl, \
138 			    DFLTPRTOPARG(pctl, type), nvl, name, arrp, count); \
139 		} \
140 		(void) fprintf(pctl->nvprt_fp, pctl->nvprt_eomfmt); \
141 	}
142 
143 static void nvlist_print_with_indent(nvlist_t *, nvlist_prtctl_t);
144 
145 /*
146  * ======================================================================
147  * |									|
148  * | Indentation							|
149  * |									|
150  * ======================================================================
151  */
152 
153 static void
indent(nvlist_prtctl_t pctl,int onemore)154 indent(nvlist_prtctl_t pctl, int onemore)
155 {
156 	int depth;
157 
158 	switch (pctl->nvprt_indent_mode) {
159 	case NVLIST_INDENT_ABS:
160 		(void) fprintf(pctl->nvprt_fp, "%*s",
161 		    pctl->nvprt_indent + onemore * pctl->nvprt_indentinc, "");
162 		break;
163 
164 	case NVLIST_INDENT_TABBED:
165 		depth = pctl->nvprt_indent + onemore;
166 		while (depth-- > 0)
167 			(void) fprintf(pctl->nvprt_fp, "\t");
168 	}
169 }
170 
171 /*
172  * ======================================================================
173  * |									|
174  * | Default nvlist member rendering functions.				|
175  * |									|
176  * ======================================================================
177  */
178 
179 /*
180  * Generate functions to print single-valued nvlist members.
181  *
182  * type_and_variant - suffix to form function name
183  * vtype - C type for the member value
184  * ptype - C type to cast value to for printing
185  * vfmt - format string for pair value, e.g "%d" or "0x%llx"
186  */
187 
188 #define	NVLIST_PRTFUNC(type_and_variant, vtype, ptype, vfmt) \
189 static int \
190 nvprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
191     nvlist_t *nvl, const char *name, vtype value) \
192 { \
193 	FILE *fp = pctl->nvprt_fp; \
194 	NOTE(ARGUNUSED(private)) \
195 	NOTE(ARGUNUSED(nvl)) \
196 	indent(pctl, 1); \
197 	(void) fprintf(fp, pctl->nvprt_nmfmt, name); \
198 	(void) fprintf(fp, vfmt, (ptype)value); \
199 	return (1); \
200 }
201 
202 NVLIST_PRTFUNC(boolean, int, int, "%d")
203 NVLIST_PRTFUNC(boolean_value, boolean_t, int, "%d")
204 NVLIST_PRTFUNC(byte, uchar_t, uchar_t, "0x%2.2x")
205 NVLIST_PRTFUNC(int8, int8_t, int, "%d")
206 NVLIST_PRTFUNC(uint8, uint8_t, uint8_t, "0x%x")
207 NVLIST_PRTFUNC(int16, int16_t, int16_t, "%d")
208 NVLIST_PRTFUNC(uint16, uint16_t, uint16_t, "0x%x")
209 NVLIST_PRTFUNC(int32, int32_t, int32_t, "%d")
210 NVLIST_PRTFUNC(uint32, uint32_t, uint32_t, "0x%x")
211 NVLIST_PRTFUNC(int64, int64_t, longlong_t, "%lld")
212 NVLIST_PRTFUNC(uint64, uint64_t, u_longlong_t, "0x%llx")
213 NVLIST_PRTFUNC(double, double, double, "0x%f")
214 NVLIST_PRTFUNC(string, char *, char *, "%s")
215 NVLIST_PRTFUNC(hrtime, hrtime_t, hrtime_t, "0x%llx")
216 
217 /*
218  * Generate functions to print array-valued nvlist members.
219  */
220 
221 #define	NVLIST_ARRPRTFUNC(type_and_variant, vtype, ptype, vfmt) \
222 static int \
223 nvaprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
224     nvlist_t *nvl, const char *name, vtype *valuep, uint_t count) \
225 { \
226 	FILE *fp = pctl->nvprt_fp; \
227 	uint_t i; \
228 	NOTE(ARGUNUSED(private)) \
229 	NOTE(ARGUNUSED(nvl)) \
230 	for (i = 0; i < count; i++) { \
231 		if (i == 0 || pctl->nvprt_btwnarrfmt_nl) { \
232 			indent(pctl, 1); \
233 			(void) fprintf(fp, pctl->nvprt_nmfmt, name); \
234 			if (pctl->nvprt_btwnarrfmt_nl) \
235 				(void) fprintf(fp, "[%d]: ", i); \
236 		} \
237 		if (i != 0) \
238 			(void) fprintf(fp, pctl->nvprt_btwnarrfmt); \
239 		(void) fprintf(fp, vfmt, (ptype)valuep[i]); \
240 	} \
241 	return (1); \
242 }
243 
244 NVLIST_ARRPRTFUNC(boolean_array, boolean_t, boolean_t, "%d")
245 NVLIST_ARRPRTFUNC(byte_array, uchar_t, uchar_t, "0x%2.2x")
246 NVLIST_ARRPRTFUNC(int8_array, int8_t, int8_t, "%d")
247 NVLIST_ARRPRTFUNC(uint8_array, uint8_t, uint8_t, "0x%x")
248 NVLIST_ARRPRTFUNC(int16_array, int16_t, int16_t, "%d")
249 NVLIST_ARRPRTFUNC(uint16_array, uint16_t, uint16_t, "0x%x")
250 NVLIST_ARRPRTFUNC(int32_array, int32_t, int32_t, "%d")
251 NVLIST_ARRPRTFUNC(uint32_array, uint32_t, uint32_t, "0x%x")
252 NVLIST_ARRPRTFUNC(int64_array, int64_t, longlong_t, "%lld")
253 NVLIST_ARRPRTFUNC(uint64_array, uint64_t, u_longlong_t, "0x%llx")
254 NVLIST_ARRPRTFUNC(string_array, char *, char *, "%s")
255 
256 /*ARGSUSED*/
257 static int
nvprint_nvlist(nvlist_prtctl_t pctl,void * private,nvlist_t * nvl,const char * name,nvlist_t * value)258 nvprint_nvlist(nvlist_prtctl_t pctl, void *private,
259     nvlist_t *nvl, const char *name, nvlist_t *value)
260 {
261 	FILE *fp = pctl->nvprt_fp;
262 
263 	indent(pctl, 1);
264 	(void) fprintf(fp, "%s = (embedded nvlist)\n", name);
265 
266 	pctl->nvprt_indent += pctl->nvprt_indentinc;
267 	nvlist_print_with_indent(value, pctl);
268 	pctl->nvprt_indent -= pctl->nvprt_indentinc;
269 
270 	indent(pctl, 1);
271 	(void) fprintf(fp, "(end %s)\n", name);
272 
273 	return (1);
274 }
275 
276 /*ARGSUSED*/
277 static int
nvaprint_nvlist_array(nvlist_prtctl_t pctl,void * private,nvlist_t * nvl,const char * name,nvlist_t ** valuep,uint_t count)278 nvaprint_nvlist_array(nvlist_prtctl_t pctl, void *private,
279     nvlist_t *nvl, const char *name, nvlist_t **valuep, uint_t count)
280 {
281 	FILE *fp = pctl->nvprt_fp;
282 	uint_t i;
283 
284 	indent(pctl, 1);
285 	(void) fprintf(fp, "%s = (array of embedded nvlists)\n", name);
286 
287 	for (i = 0; i < count; i++) {
288 		indent(pctl, 1);
289 		(void) fprintf(fp, "(start %s[%d])\n", name, i);
290 
291 		pctl->nvprt_indent += pctl->nvprt_indentinc;
292 		nvlist_print_with_indent(valuep[i], pctl);
293 		pctl->nvprt_indent -= pctl->nvprt_indentinc;
294 
295 		indent(pctl, 1);
296 		(void) fprintf(fp, "(end %s[%d])\n", name, i);
297 	}
298 
299 	return (1);
300 }
301 
302 /*
303  * ======================================================================
304  * |									|
305  * | Interfaces that allow control over formatting.			|
306  * |									|
307  * ======================================================================
308  */
309 
310 void
nvlist_prtctl_setdest(nvlist_prtctl_t pctl,FILE * fp)311 nvlist_prtctl_setdest(nvlist_prtctl_t pctl, FILE *fp)
312 {
313 	pctl->nvprt_fp = fp;
314 }
315 
316 FILE *
nvlist_prtctl_getdest(nvlist_prtctl_t pctl)317 nvlist_prtctl_getdest(nvlist_prtctl_t pctl)
318 {
319 	return (pctl->nvprt_fp);
320 }
321 
322 
323 void
nvlist_prtctl_setindent(nvlist_prtctl_t pctl,enum nvlist_indent_mode mode,int start,int inc)324 nvlist_prtctl_setindent(nvlist_prtctl_t pctl, enum nvlist_indent_mode mode,
325     int start, int inc)
326 {
327 	if (mode < NVLIST_INDENT_ABS || mode > NVLIST_INDENT_TABBED)
328 		mode = NVLIST_INDENT_TABBED;
329 
330 	if (start < 0)
331 		start = 0;
332 
333 	if (inc < 0)
334 		inc = 1;
335 
336 	pctl->nvprt_indent_mode = mode;
337 	pctl->nvprt_indent = start;
338 	pctl->nvprt_indentinc = inc;
339 }
340 
341 void
nvlist_prtctl_doindent(nvlist_prtctl_t pctl,int onemore)342 nvlist_prtctl_doindent(nvlist_prtctl_t pctl, int onemore)
343 {
344 	indent(pctl, onemore);
345 }
346 
347 
348 void
nvlist_prtctl_setfmt(nvlist_prtctl_t pctl,enum nvlist_prtctl_fmt which,const char * fmt)349 nvlist_prtctl_setfmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which,
350     const char *fmt)
351 {
352 	switch (which) {
353 	case NVLIST_FMT_MEMBER_NAME:
354 		if (fmt == NULL)
355 			fmt = "%s = ";
356 		pctl->nvprt_nmfmt = fmt;
357 		break;
358 
359 	case NVLIST_FMT_MEMBER_POSTAMBLE:
360 		if (fmt == NULL)
361 			fmt = "\n";
362 		pctl->nvprt_eomfmt = fmt;
363 		break;
364 
365 	case NVLIST_FMT_BTWN_ARRAY:
366 		if (fmt == NULL) {
367 			pctl->nvprt_btwnarrfmt = " ";
368 			pctl->nvprt_btwnarrfmt_nl = 0;
369 		} else {
370 			pctl->nvprt_btwnarrfmt = fmt;
371 			pctl->nvprt_btwnarrfmt_nl = (strstr(fmt, "\n") != NULL);
372 		}
373 		break;
374 
375 	default:
376 		break;
377 	}
378 }
379 
380 
381 void
nvlist_prtctl_dofmt(nvlist_prtctl_t pctl,enum nvlist_prtctl_fmt which,...)382 nvlist_prtctl_dofmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which, ...)
383 {
384 	FILE *fp = pctl->nvprt_fp;
385 	va_list ap;
386 	char *name;
387 
388 	va_start(ap, which);
389 
390 	switch (which) {
391 	case NVLIST_FMT_MEMBER_NAME:
392 		name = va_arg(ap, char *);
393 		(void) fprintf(fp, pctl->nvprt_nmfmt, name);
394 		break;
395 
396 	case NVLIST_FMT_MEMBER_POSTAMBLE:
397 		(void) fprintf(fp, pctl->nvprt_eomfmt);
398 		break;
399 
400 	case NVLIST_FMT_BTWN_ARRAY:
401 		(void) fprintf(fp, pctl->nvprt_btwnarrfmt); \
402 		break;
403 
404 	default:
405 		break;
406 	}
407 
408 	va_end(ap);
409 }
410 
411 /*
412  * ======================================================================
413  * |									|
414  * | Interfaces to allow appointment of replacement rendering functions.|
415  * |									|
416  * ======================================================================
417  */
418 
419 #define	NVLIST_PRINTCTL_REPLACE(type, vtype) \
420 void \
421 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
422     int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype), \
423     void *private) \
424 { \
425 	CUSTPRTOP(pctl, type) = func; \
426 	CUSTPRTOPARG(pctl, type) = private; \
427 }
428 
429 NVLIST_PRINTCTL_REPLACE(boolean, int)
430 NVLIST_PRINTCTL_REPLACE(boolean_value, boolean_t)
431 NVLIST_PRINTCTL_REPLACE(byte, uchar_t)
432 NVLIST_PRINTCTL_REPLACE(int8, int8_t)
433 NVLIST_PRINTCTL_REPLACE(uint8, uint8_t)
434 NVLIST_PRINTCTL_REPLACE(int16, int16_t)
435 NVLIST_PRINTCTL_REPLACE(uint16, uint16_t)
436 NVLIST_PRINTCTL_REPLACE(int32, int32_t)
437 NVLIST_PRINTCTL_REPLACE(uint32, uint32_t)
438 NVLIST_PRINTCTL_REPLACE(int64, int64_t)
439 NVLIST_PRINTCTL_REPLACE(uint64, uint64_t)
440 NVLIST_PRINTCTL_REPLACE(double, double)
441 NVLIST_PRINTCTL_REPLACE(string, char *)
442 NVLIST_PRINTCTL_REPLACE(hrtime, hrtime_t)
443 NVLIST_PRINTCTL_REPLACE(nvlist, nvlist_t *)
444 
445 #define	NVLIST_PRINTCTL_AREPLACE(type, vtype) \
446 void \
447 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
448     int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype, \
449     uint_t), void *private) \
450 { \
451 	CUSTPRTOP(pctl, type) = func; \
452 	CUSTPRTOPARG(pctl, type) = private; \
453 }
454 
455 NVLIST_PRINTCTL_AREPLACE(boolean_array, boolean_t *)
456 NVLIST_PRINTCTL_AREPLACE(byte_array, uchar_t *)
457 NVLIST_PRINTCTL_AREPLACE(int8_array, int8_t *)
458 NVLIST_PRINTCTL_AREPLACE(uint8_array, uint8_t *)
459 NVLIST_PRINTCTL_AREPLACE(int16_array, int16_t *)
460 NVLIST_PRINTCTL_AREPLACE(uint16_array, uint16_t *)
461 NVLIST_PRINTCTL_AREPLACE(int32_array, int32_t *)
462 NVLIST_PRINTCTL_AREPLACE(uint32_array, uint32_t *)
463 NVLIST_PRINTCTL_AREPLACE(int64_array, int64_t *)
464 NVLIST_PRINTCTL_AREPLACE(uint64_array, uint64_t *)
465 NVLIST_PRINTCTL_AREPLACE(string_array, char **)
466 NVLIST_PRINTCTL_AREPLACE(nvlist_array, nvlist_t **)
467 
468 /*
469  * ======================================================================
470  * |									|
471  * | Interfaces to manage nvlist_prtctl_t cookies.			|
472  * |									|
473  * ======================================================================
474  */
475 
476 
477 static const struct nvlist_printops defprtops = {
478 	{ nvprint_boolean, NULL },
479 	{ nvprint_boolean_value, NULL },
480 	{ nvprint_byte, NULL },
481 	{ nvprint_int8, NULL },
482 	{ nvprint_uint8, NULL },
483 	{ nvprint_int16, NULL },
484 	{ nvprint_uint16, NULL },
485 	{ nvprint_int32, NULL },
486 	{ nvprint_uint32, NULL },
487 	{ nvprint_int64, NULL },
488 	{ nvprint_uint64, NULL },
489 	{ nvprint_double, NULL },
490 	{ nvprint_string, NULL },
491 	{ nvprint_hrtime, NULL },
492 	{ nvprint_nvlist, NULL },
493 	{ nvaprint_boolean_array, NULL },
494 	{ nvaprint_byte_array, NULL },
495 	{ nvaprint_int8_array, NULL },
496 	{ nvaprint_uint8_array, NULL },
497 	{ nvaprint_int16_array, NULL },
498 	{ nvaprint_uint16_array, NULL },
499 	{ nvaprint_int32_array, NULL },
500 	{ nvaprint_uint32_array, NULL },
501 	{ nvaprint_int64_array, NULL },
502 	{ nvaprint_uint64_array, NULL },
503 	{ nvaprint_string_array, NULL },
504 	{ nvaprint_nvlist_array, NULL },
505 };
506 
507 static void
prtctl_defaults(FILE * fp,struct nvlist_prtctl * pctl,struct nvlist_printops * ops)508 prtctl_defaults(FILE *fp, struct nvlist_prtctl *pctl,
509     struct nvlist_printops *ops)
510 {
511 	pctl->nvprt_fp = fp;
512 	pctl->nvprt_indent_mode = NVLIST_INDENT_TABBED;
513 	pctl->nvprt_indent = 0;
514 	pctl->nvprt_indentinc = 1;
515 	pctl->nvprt_nmfmt = "%s = ";
516 	pctl->nvprt_eomfmt = "\n";
517 	pctl->nvprt_btwnarrfmt = " ";
518 	pctl->nvprt_btwnarrfmt_nl = 0;
519 
520 	pctl->nvprt_dfltops = (struct nvlist_printops *)&defprtops;
521 	pctl->nvprt_custops = ops;
522 }
523 
524 nvlist_prtctl_t
nvlist_prtctl_alloc(void)525 nvlist_prtctl_alloc(void)
526 {
527 	struct nvlist_prtctl *pctl;
528 	struct nvlist_printops *ops;
529 
530 	if ((pctl = malloc(sizeof (*pctl))) == NULL)
531 		return (NULL);
532 
533 	if ((ops = calloc(1, sizeof (*ops))) == NULL) {
534 		free(pctl);
535 		return (NULL);
536 	}
537 
538 	prtctl_defaults(stdout, pctl, ops);
539 
540 	return (pctl);
541 }
542 
543 void
nvlist_prtctl_free(nvlist_prtctl_t pctl)544 nvlist_prtctl_free(nvlist_prtctl_t pctl)
545 {
546 	if (pctl != NULL) {
547 		free(pctl->nvprt_custops);
548 		free(pctl);
549 	}
550 }
551 
552 /*
553  * ======================================================================
554  * |									|
555  * | Top-level print request interfaces.				|
556  * |									|
557  * ======================================================================
558  */
559 
560 /*
561  * nvlist_print - Prints elements in an event buffer
562  */
563 static void
nvlist_print_with_indent(nvlist_t * nvl,nvlist_prtctl_t pctl)564 nvlist_print_with_indent(nvlist_t *nvl, nvlist_prtctl_t pctl)
565 {
566 	FILE *fp = pctl->nvprt_fp;
567 	char *name;
568 	uint_t nelem;
569 	nvpair_t *nvp;
570 
571 	if (nvl == NULL)
572 		return;
573 
574 	indent(pctl, 0);
575 	(void) fprintf(fp, "nvlist version: %d\n", NVL_VERSION(nvl));
576 
577 	nvp = nvlist_next_nvpair(nvl, NULL);
578 
579 	while (nvp) {
580 		data_type_t type = nvpair_type(nvp);
581 
582 		name = nvpair_name(nvp);
583 		nelem = 0;
584 
585 		switch (type) {
586 		case DATA_TYPE_BOOLEAN: {
587 			RENDER(pctl, boolean, nvl, name, 1);
588 			break;
589 		}
590 		case DATA_TYPE_BOOLEAN_VALUE: {
591 			boolean_t val;
592 			(void) nvpair_value_boolean_value(nvp, &val);
593 			RENDER(pctl, boolean_value, nvl, name, val);
594 			break;
595 		}
596 		case DATA_TYPE_BYTE: {
597 			uchar_t val;
598 			(void) nvpair_value_byte(nvp, &val);
599 			RENDER(pctl, byte, nvl, name, val);
600 			break;
601 		}
602 		case DATA_TYPE_INT8: {
603 			int8_t val;
604 			(void) nvpair_value_int8(nvp, &val);
605 			RENDER(pctl, int8, nvl, name, val);
606 			break;
607 		}
608 		case DATA_TYPE_UINT8: {
609 			uint8_t val;
610 			(void) nvpair_value_uint8(nvp, &val);
611 			RENDER(pctl, uint8, nvl, name, val);
612 			break;
613 		}
614 		case DATA_TYPE_INT16: {
615 			int16_t val;
616 			(void) nvpair_value_int16(nvp, &val);
617 			RENDER(pctl, int16, nvl, name, val);
618 			break;
619 		}
620 		case DATA_TYPE_UINT16: {
621 			uint16_t val;
622 			(void) nvpair_value_uint16(nvp, &val);
623 			RENDER(pctl, uint16, nvl, name, val);
624 			break;
625 		}
626 		case DATA_TYPE_INT32: {
627 			int32_t val;
628 			(void) nvpair_value_int32(nvp, &val);
629 			RENDER(pctl, int32, nvl, name, val);
630 			break;
631 		}
632 		case DATA_TYPE_UINT32: {
633 			uint32_t val;
634 			(void) nvpair_value_uint32(nvp, &val);
635 			RENDER(pctl, uint32, nvl, name, val);
636 			break;
637 		}
638 		case DATA_TYPE_INT64: {
639 			int64_t val;
640 			(void) nvpair_value_int64(nvp, &val);
641 			RENDER(pctl, int64, nvl, name, val);
642 			break;
643 		}
644 		case DATA_TYPE_UINT64: {
645 			uint64_t val;
646 			(void) nvpair_value_uint64(nvp, &val);
647 			RENDER(pctl, uint64, nvl, name, val);
648 			break;
649 		}
650 		case DATA_TYPE_DOUBLE: {
651 			double val;
652 			(void) nvpair_value_double(nvp, &val);
653 			RENDER(pctl, double, nvl, name, val);
654 			break;
655 		}
656 		case DATA_TYPE_STRING: {
657 			char *val;
658 			(void) nvpair_value_string(nvp, &val);
659 			RENDER(pctl, string, nvl, name, val);
660 			break;
661 		}
662 		case DATA_TYPE_BOOLEAN_ARRAY: {
663 			boolean_t *val;
664 			(void) nvpair_value_boolean_array(nvp, &val, &nelem);
665 			ARENDER(pctl, boolean_array, nvl, name, val, nelem);
666 			break;
667 		}
668 		case DATA_TYPE_BYTE_ARRAY: {
669 			uchar_t *val;
670 			(void) nvpair_value_byte_array(nvp, &val, &nelem);
671 			ARENDER(pctl, byte_array, nvl, name, val, nelem);
672 			break;
673 		}
674 		case DATA_TYPE_INT8_ARRAY: {
675 			int8_t *val;
676 			(void) nvpair_value_int8_array(nvp, &val, &nelem);
677 			ARENDER(pctl, int8_array, nvl, name, val, nelem);
678 			break;
679 		}
680 		case DATA_TYPE_UINT8_ARRAY: {
681 			uint8_t *val;
682 			(void) nvpair_value_uint8_array(nvp, &val, &nelem);
683 			ARENDER(pctl, uint8_array, nvl, name, val, nelem);
684 			break;
685 		}
686 		case DATA_TYPE_INT16_ARRAY: {
687 			int16_t *val;
688 			(void) nvpair_value_int16_array(nvp, &val, &nelem);
689 			ARENDER(pctl, int16_array, nvl, name, val, nelem);
690 			break;
691 		}
692 		case DATA_TYPE_UINT16_ARRAY: {
693 			uint16_t *val;
694 			(void) nvpair_value_uint16_array(nvp, &val, &nelem);
695 			ARENDER(pctl, uint16_array, nvl, name, val, nelem);
696 			break;
697 		}
698 		case DATA_TYPE_INT32_ARRAY: {
699 			int32_t *val;
700 			(void) nvpair_value_int32_array(nvp, &val, &nelem);
701 			ARENDER(pctl, int32_array, nvl, name, val, nelem);
702 			break;
703 		}
704 		case DATA_TYPE_UINT32_ARRAY: {
705 			uint32_t *val;
706 			(void) nvpair_value_uint32_array(nvp, &val, &nelem);
707 			ARENDER(pctl, uint32_array, nvl, name, val, nelem);
708 			break;
709 		}
710 		case DATA_TYPE_INT64_ARRAY: {
711 			int64_t *val;
712 			(void) nvpair_value_int64_array(nvp, &val, &nelem);
713 			ARENDER(pctl, int64_array, nvl, name, val, nelem);
714 			break;
715 		}
716 		case DATA_TYPE_UINT64_ARRAY: {
717 			uint64_t *val;
718 			(void) nvpair_value_uint64_array(nvp, &val, &nelem);
719 			ARENDER(pctl, uint64_array, nvl, name, val, nelem);
720 			break;
721 		}
722 		case DATA_TYPE_STRING_ARRAY: {
723 			char **val;
724 			(void) nvpair_value_string_array(nvp, &val, &nelem);
725 			ARENDER(pctl, string_array, nvl, name, val, nelem);
726 			break;
727 		}
728 		case DATA_TYPE_HRTIME: {
729 			hrtime_t val;
730 			(void) nvpair_value_hrtime(nvp, &val);
731 			RENDER(pctl, hrtime, nvl, name, val);
732 			break;
733 		}
734 		case DATA_TYPE_NVLIST: {
735 			nvlist_t *val;
736 			(void) nvpair_value_nvlist(nvp, &val);
737 			RENDER(pctl, nvlist, nvl, name, val);
738 			break;
739 		}
740 		case DATA_TYPE_NVLIST_ARRAY: {
741 			nvlist_t **val;
742 			(void) nvpair_value_nvlist_array(nvp, &val, &nelem);
743 			ARENDER(pctl, nvlist_array, nvl, name, val, nelem);
744 			break;
745 		}
746 		default:
747 			(void) fprintf(fp, " unknown data type (%d)", type);
748 			break;
749 		}
750 		nvp = nvlist_next_nvpair(nvl, nvp);
751 	}
752 }
753 
754 void
nvlist_print(FILE * fp,nvlist_t * nvl)755 nvlist_print(FILE *fp, nvlist_t *nvl)
756 {
757 	struct nvlist_prtctl pc;
758 
759 	prtctl_defaults(fp, &pc, NULL);
760 	nvlist_print_with_indent(nvl, &pc);
761 }
762 
763 void
nvlist_prt(nvlist_t * nvl,nvlist_prtctl_t pctl)764 nvlist_prt(nvlist_t *nvl, nvlist_prtctl_t pctl)
765 {
766 	nvlist_print_with_indent(nvl, pctl);
767 }
768 
769 #define	NVP(elem, type, vtype, ptype, format) { \
770 	vtype	value; \
771 \
772 	(void) nvpair_value_##type(elem, &value); \
773 	(void) printf("%*s%s: " format "\n", indent, "", \
774 	    nvpair_name(elem), (ptype)value); \
775 }
776 
777 #define	NVPA(elem, type, vtype, ptype, format) { \
778 	uint_t	i, count; \
779 	vtype	*value;  \
780 \
781 	(void) nvpair_value_##type(elem, &value, &count); \
782 	for (i = 0; i < count; i++) { \
783 		(void) printf("%*s%s[%d]: " format "\n", indent, "", \
784 		    nvpair_name(elem), i, (ptype)value[i]); \
785 	} \
786 }
787 
788 /*
789  * Similar to nvlist_print() but handles arrays slightly differently.
790  */
791 void
dump_nvlist(nvlist_t * list,int indent)792 dump_nvlist(nvlist_t *list, int indent)
793 {
794 	nvpair_t	*elem = NULL;
795 	boolean_t	bool_value;
796 	boolean_t	*bool_array_value;
797 	nvlist_t	*nvlist_value;
798 	nvlist_t	**nvlist_array_value;
799 	uint_t		i, count;
800 
801 	if (list == NULL) {
802 		return;
803 	}
804 
805 	while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
806 		switch (nvpair_type(elem)) {
807 		case DATA_TYPE_BOOLEAN:
808 			(void) printf("%*s%s\n", indent, "", nvpair_name(elem));
809 			break;
810 
811 		case DATA_TYPE_BOOLEAN_VALUE:
812 			(void) nvpair_value_boolean_value(elem, &bool_value);
813 			(void) printf("%*s%s: %s\n", indent, "",
814 			    nvpair_name(elem), bool_value ? "true" : "false");
815 			break;
816 
817 		case DATA_TYPE_BYTE:
818 			NVP(elem, byte, uchar_t, int, "%u");
819 			break;
820 
821 		case DATA_TYPE_INT8:
822 			NVP(elem, int8, int8_t, int, "%d");
823 			break;
824 
825 		case DATA_TYPE_UINT8:
826 			NVP(elem, uint8, uint8_t, int, "%u");
827 			break;
828 
829 		case DATA_TYPE_INT16:
830 			NVP(elem, int16, int16_t, int, "%d");
831 			break;
832 
833 		case DATA_TYPE_UINT16:
834 			NVP(elem, uint16, uint16_t, int, "%u");
835 			break;
836 
837 		case DATA_TYPE_INT32:
838 			NVP(elem, int32, int32_t, long, "%ld");
839 			break;
840 
841 		case DATA_TYPE_UINT32:
842 			NVP(elem, uint32, uint32_t, ulong_t, "%lu");
843 			break;
844 
845 		case DATA_TYPE_INT64:
846 			NVP(elem, int64, int64_t, longlong_t, "%lld");
847 			break;
848 
849 		case DATA_TYPE_UINT64:
850 			NVP(elem, uint64, uint64_t, u_longlong_t, "%llu");
851 			break;
852 
853 		case DATA_TYPE_STRING:
854 			NVP(elem, string, char *, char *, "'%s'");
855 			break;
856 
857 		case DATA_TYPE_BOOLEAN_ARRAY:
858 			(void) nvpair_value_boolean_array(elem,
859 			    &bool_array_value, &count);
860 			for (i = 0; i < count; i++) {
861 				(void) printf("%*s%s[%d]: %s\n", indent, "",
862 				    nvpair_name(elem), i,
863 				    bool_array_value[i] ? "true" : "false");
864 			}
865 			break;
866 
867 		case DATA_TYPE_BYTE_ARRAY:
868 			NVPA(elem, byte_array, uchar_t, int, "%u");
869 			break;
870 
871 		case DATA_TYPE_INT8_ARRAY:
872 			NVPA(elem, int8_array, int8_t, int, "%d");
873 			break;
874 
875 		case DATA_TYPE_UINT8_ARRAY:
876 			NVPA(elem, uint8_array, uint8_t, int, "%u");
877 			break;
878 
879 		case DATA_TYPE_INT16_ARRAY:
880 			NVPA(elem, int16_array, int16_t, int, "%d");
881 			break;
882 
883 		case DATA_TYPE_UINT16_ARRAY:
884 			NVPA(elem, uint16_array, uint16_t, int, "%u");
885 			break;
886 
887 		case DATA_TYPE_INT32_ARRAY:
888 			NVPA(elem, int32_array, int32_t, long, "%ld");
889 			break;
890 
891 		case DATA_TYPE_UINT32_ARRAY:
892 			NVPA(elem, uint32_array, uint32_t, ulong_t, "%lu");
893 			break;
894 
895 		case DATA_TYPE_INT64_ARRAY:
896 			NVPA(elem, int64_array, int64_t, longlong_t, "%lld");
897 			break;
898 
899 		case DATA_TYPE_UINT64_ARRAY:
900 			NVPA(elem, uint64_array, uint64_t, u_longlong_t,
901 			    "%llu");
902 			break;
903 
904 		case DATA_TYPE_STRING_ARRAY:
905 			NVPA(elem, string_array, char *, char *, "'%s'");
906 			break;
907 
908 		case DATA_TYPE_NVLIST:
909 			(void) nvpair_value_nvlist(elem, &nvlist_value);
910 			(void) printf("%*s%s:\n", indent, "",
911 			    nvpair_name(elem));
912 			dump_nvlist(nvlist_value, indent + 4);
913 			break;
914 
915 		case DATA_TYPE_NVLIST_ARRAY:
916 			(void) nvpair_value_nvlist_array(elem,
917 			    &nvlist_array_value, &count);
918 			for (i = 0; i < count; i++) {
919 				(void) printf("%*s%s[%u]:\n", indent, "",
920 				    nvpair_name(elem), i);
921 				dump_nvlist(nvlist_array_value[i], indent + 4);
922 			}
923 			break;
924 
925 		default:
926 			(void) printf(dgettext(TEXT_DOMAIN, "bad config type "
927 			    "%d for %s\n"), nvpair_type(elem),
928 			    nvpair_name(elem));
929 		}
930 	}
931 }
932 
933 /*
934  * ======================================================================
935  * |									|
936  * | Misc private interface.						|
937  * |									|
938  * ======================================================================
939  */
940 
941 /*
942  * Determine if string 'value' matches 'nvp' value.  The 'value' string is
943  * converted, depending on the type of 'nvp', prior to match.  For numeric
944  * types, a radix independent sscanf conversion of 'value' is used. If 'nvp'
945  * is an array type, 'ai' is the index into the array against which we are
946  * checking for match. If nvp is of DATA_TYPE_STRING*, the caller can pass
947  * in a regex_t compilation of value in 'value_regex' to trigger regular
948  * expression string match instead of simple strcmp().
949  *
950  * Return 1 on match, 0 on no-match, and -1 on error.  If the error is
951  * related to value syntax error and 'ep' is non-NULL, *ep will point into
952  * the 'value' string at the location where the error exists.
953  *
954  * NOTE: It may be possible to move the non-regex_t version of this into
955  * common code used by library/kernel/boot.
956  */
957 int
nvpair_value_match_regex(nvpair_t * nvp,int ai,char * value,regex_t * value_regex,char ** ep)958 nvpair_value_match_regex(nvpair_t *nvp, int ai,
959     char *value, regex_t *value_regex, char **ep)
960 {
961 	char	*evalue;
962 	uint_t	a_len;
963 	int	sr;
964 
965 	if (ep)
966 		*ep = NULL;
967 
968 	if ((nvp == NULL) || (value == NULL))
969 		return (-1);		/* error fail match - invalid args */
970 
971 	/* make sure array and index combination make sense */
972 	if ((nvpair_type_is_array(nvp) && (ai < 0)) ||
973 	    (!nvpair_type_is_array(nvp) && (ai >= 0)))
974 		return (-1);		/* error fail match - bad index */
975 
976 	/* non-string values should be single 'chunk' */
977 	if ((nvpair_type(nvp) != DATA_TYPE_STRING) &&
978 	    (nvpair_type(nvp) != DATA_TYPE_STRING_ARRAY)) {
979 		value += strspn(value, " \t");
980 		evalue = value + strcspn(value, " \t");
981 		if (*evalue) {
982 			if (ep)
983 				*ep = evalue;
984 			return (-1);	/* error fail match - syntax */
985 		}
986 	}
987 
988 	sr = EOF;
989 	switch (nvpair_type(nvp)) {
990 	case DATA_TYPE_STRING: {
991 		char	*val;
992 
993 		/* check string value for match */
994 		if (nvpair_value_string(nvp, &val) == 0) {
995 			if (value_regex) {
996 				if (regexec(value_regex, val,
997 				    (size_t)0, NULL, 0) == 0)
998 					return (1);	/* match */
999 			} else {
1000 				if (strcmp(value, val) == 0)
1001 					return (1);	/* match */
1002 			}
1003 		}
1004 		break;
1005 	}
1006 	case DATA_TYPE_STRING_ARRAY: {
1007 		char **val_array;
1008 
1009 		/* check indexed string value of array for match */
1010 		if ((nvpair_value_string_array(nvp, &val_array, &a_len) == 0) &&
1011 		    (ai < a_len)) {
1012 			if (value_regex) {
1013 				if (regexec(value_regex, val_array[ai],
1014 				    (size_t)0, NULL, 0) == 0)
1015 					return (1);
1016 			} else {
1017 				if (strcmp(value, val_array[ai]) == 0)
1018 					return (1);
1019 			}
1020 		}
1021 		break;
1022 	}
1023 	case DATA_TYPE_BYTE: {
1024 		uchar_t val, val_arg;
1025 
1026 		/* scanf uchar_t from value and check for match */
1027 		sr = sscanf(value, "%c", &val_arg);
1028 		if ((sr == 1) && (nvpair_value_byte(nvp, &val) == 0) &&
1029 		    (val == val_arg))
1030 			return (1);
1031 		break;
1032 	}
1033 	case DATA_TYPE_BYTE_ARRAY: {
1034 		uchar_t *val_array, val_arg;
1035 
1036 
1037 		/* check indexed value of array for match */
1038 		sr = sscanf(value, "%c", &val_arg);
1039 		if ((sr == 1) &&
1040 		    (nvpair_value_byte_array(nvp, &val_array, &a_len) == 0) &&
1041 		    (ai < a_len) &&
1042 		    (val_array[ai] == val_arg))
1043 			return (1);
1044 		break;
1045 	}
1046 	case DATA_TYPE_INT8: {
1047 		int8_t val, val_arg;
1048 
1049 		/* scanf int8_t from value and check for match */
1050 		sr = sscanf(value, "%"SCNi8, &val_arg);
1051 		if ((sr == 1) &&
1052 		    (nvpair_value_int8(nvp, &val) == 0) &&
1053 		    (val == val_arg))
1054 			return (1);
1055 		break;
1056 	}
1057 	case DATA_TYPE_INT8_ARRAY: {
1058 		int8_t *val_array, val_arg;
1059 
1060 		/* check indexed value of array for match */
1061 		sr = sscanf(value, "%"SCNi8, &val_arg);
1062 		if ((sr == 1) &&
1063 		    (nvpair_value_int8_array(nvp, &val_array, &a_len) == 0) &&
1064 		    (ai < a_len) &&
1065 		    (val_array[ai] == val_arg))
1066 			return (1);
1067 		break;
1068 	}
1069 	case DATA_TYPE_UINT8: {
1070 		uint8_t val, val_arg;
1071 
1072 		/* scanf uint8_t from value and check for match */
1073 		sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1074 		if ((sr == 1) &&
1075 		    (nvpair_value_uint8(nvp, &val) == 0) &&
1076 		    (val == val_arg))
1077 			return (1);
1078 		break;
1079 	}
1080 	case DATA_TYPE_UINT8_ARRAY: {
1081 		uint8_t *val_array, val_arg;
1082 
1083 		/* check indexed value of array for match */
1084 		sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1085 		if ((sr == 1) &&
1086 		    (nvpair_value_uint8_array(nvp, &val_array, &a_len) == 0) &&
1087 		    (ai < a_len) &&
1088 		    (val_array[ai] == val_arg))
1089 			return (1);
1090 		break;
1091 	}
1092 	case DATA_TYPE_INT16: {
1093 		int16_t val, val_arg;
1094 
1095 		/* scanf int16_t from value and check for match */
1096 		sr = sscanf(value, "%"SCNi16, &val_arg);
1097 		if ((sr == 1) &&
1098 		    (nvpair_value_int16(nvp, &val) == 0) &&
1099 		    (val == val_arg))
1100 			return (1);
1101 		break;
1102 	}
1103 	case DATA_TYPE_INT16_ARRAY: {
1104 		int16_t *val_array, val_arg;
1105 
1106 		/* check indexed value of array for match */
1107 		sr = sscanf(value, "%"SCNi16, &val_arg);
1108 		if ((sr == 1) &&
1109 		    (nvpair_value_int16_array(nvp, &val_array, &a_len) == 0) &&
1110 		    (ai < a_len) &&
1111 		    (val_array[ai] == val_arg))
1112 			return (1);
1113 		break;
1114 	}
1115 	case DATA_TYPE_UINT16: {
1116 		uint16_t val, val_arg;
1117 
1118 		/* scanf uint16_t from value and check for match */
1119 		sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1120 		if ((sr == 1) &&
1121 		    (nvpair_value_uint16(nvp, &val) == 0) &&
1122 		    (val == val_arg))
1123 			return (1);
1124 		break;
1125 	}
1126 	case DATA_TYPE_UINT16_ARRAY: {
1127 		uint16_t *val_array, val_arg;
1128 
1129 		/* check indexed value of array for match */
1130 		sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1131 		if ((sr == 1) &&
1132 		    (nvpair_value_uint16_array(nvp, &val_array, &a_len) == 0) &&
1133 		    (ai < a_len) &&
1134 		    (val_array[ai] == val_arg))
1135 			return (1);
1136 		break;
1137 	}
1138 	case DATA_TYPE_INT32: {
1139 		int32_t val, val_arg;
1140 
1141 		/* scanf int32_t from value and check for match */
1142 		sr = sscanf(value, "%"SCNi32, &val_arg);
1143 		if ((sr == 1) &&
1144 		    (nvpair_value_int32(nvp, &val) == 0) &&
1145 		    (val == val_arg))
1146 			return (1);
1147 		break;
1148 	}
1149 	case DATA_TYPE_INT32_ARRAY: {
1150 		int32_t *val_array, val_arg;
1151 
1152 		/* check indexed value of array for match */
1153 		sr = sscanf(value, "%"SCNi32, &val_arg);
1154 		if ((sr == 1) &&
1155 		    (nvpair_value_int32_array(nvp, &val_array, &a_len) == 0) &&
1156 		    (ai < a_len) &&
1157 		    (val_array[ai] == val_arg))
1158 			return (1);
1159 		break;
1160 	}
1161 	case DATA_TYPE_UINT32: {
1162 		uint32_t val, val_arg;
1163 
1164 		/* scanf uint32_t from value and check for match */
1165 		sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1166 		if ((sr == 1) &&
1167 		    (nvpair_value_uint32(nvp, &val) == 0) &&
1168 		    (val == val_arg))
1169 			return (1);
1170 		break;
1171 	}
1172 	case DATA_TYPE_UINT32_ARRAY: {
1173 		uint32_t *val_array, val_arg;
1174 
1175 		/* check indexed value of array for match */
1176 		sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1177 		if ((sr == 1) &&
1178 		    (nvpair_value_uint32_array(nvp, &val_array, &a_len) == 0) &&
1179 		    (ai < a_len) &&
1180 		    (val_array[ai] == val_arg))
1181 			return (1);
1182 		break;
1183 	}
1184 	case DATA_TYPE_INT64: {
1185 		int64_t val, val_arg;
1186 
1187 		/* scanf int64_t from value and check for match */
1188 		sr = sscanf(value, "%"SCNi64, &val_arg);
1189 		if ((sr == 1) &&
1190 		    (nvpair_value_int64(nvp, &val) == 0) &&
1191 		    (val == val_arg))
1192 			return (1);
1193 		break;
1194 	}
1195 	case DATA_TYPE_INT64_ARRAY: {
1196 		int64_t *val_array, val_arg;
1197 
1198 		/* check indexed value of array for match */
1199 		sr = sscanf(value, "%"SCNi64, &val_arg);
1200 		if ((sr == 1) &&
1201 		    (nvpair_value_int64_array(nvp, &val_array, &a_len) == 0) &&
1202 		    (ai < a_len) &&
1203 		    (val_array[ai] == val_arg))
1204 				return (1);
1205 		break;
1206 	}
1207 	case DATA_TYPE_UINT64: {
1208 		uint64_t val_arg, val;
1209 
1210 		/* scanf uint64_t from value and check for match */
1211 		sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1212 		if ((sr == 1) &&
1213 		    (nvpair_value_uint64(nvp, &val) == 0) &&
1214 		    (val == val_arg))
1215 			return (1);
1216 		break;
1217 	}
1218 	case DATA_TYPE_UINT64_ARRAY: {
1219 		uint64_t *val_array, val_arg;
1220 
1221 		/* check indexed value of array for match */
1222 		sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1223 		if ((sr == 1) &&
1224 		    (nvpair_value_uint64_array(nvp, &val_array, &a_len) == 0) &&
1225 		    (ai < a_len) &&
1226 		    (val_array[ai] == val_arg))
1227 			return (1);
1228 		break;
1229 	}
1230 	case DATA_TYPE_BOOLEAN_VALUE: {
1231 		boolean_t val, val_arg;
1232 
1233 		/* scanf boolean_t from value and check for match */
1234 		sr = sscanf(value, "%"SCNi32, &val_arg);
1235 		if ((sr == 1) &&
1236 		    (nvpair_value_boolean_value(nvp, &val) == 0) &&
1237 		    (val == val_arg))
1238 			return (1);
1239 		break;
1240 	}
1241 	case DATA_TYPE_BOOLEAN_ARRAY: {
1242 		boolean_t *val_array, val_arg;
1243 
1244 		/* check indexed value of array for match */
1245 		sr = sscanf(value, "%"SCNi32, &val_arg);
1246 		if ((sr == 1) &&
1247 		    (nvpair_value_boolean_array(nvp,
1248 		    &val_array, &a_len) == 0) &&
1249 		    (ai < a_len) &&
1250 		    (val_array[ai] == val_arg))
1251 			return (1);
1252 		break;
1253 	}
1254 	case DATA_TYPE_HRTIME:
1255 	case DATA_TYPE_NVLIST:
1256 	case DATA_TYPE_NVLIST_ARRAY:
1257 	case DATA_TYPE_BOOLEAN:
1258 	case DATA_TYPE_DOUBLE:
1259 	case DATA_TYPE_UNKNOWN:
1260 	default:
1261 		/*
1262 		 * unknown/unsupported data type
1263 		 */
1264 		return (-1);		/* error fail match */
1265 	}
1266 
1267 	/*
1268 	 * check to see if sscanf failed conversion, return approximate
1269 	 * pointer to problem
1270 	 */
1271 	if (sr != 1) {
1272 		if (ep)
1273 			*ep = value;
1274 		return (-1);		/* error fail match  - syntax */
1275 	}
1276 
1277 	return (0);			/* fail match */
1278 }
1279 
1280 int
nvpair_value_match(nvpair_t * nvp,int ai,char * value,char ** ep)1281 nvpair_value_match(nvpair_t *nvp, int ai, char *value, char **ep)
1282 {
1283 	return (nvpair_value_match_regex(nvp, ai, value, NULL, ep));
1284 }
1285