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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / lib / libnvpair / libnvpair.c
blobd4d20000280bd18da3c8bc65660ba34879de59b7
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 <unistd.h>
27 #include <string.h>
28 #include <libintl.h>
29 #include <sys/types.h>
30 #include <sys/inttypes.h>
31 #include <stdarg.h>
32 #include <note.h>
33 #include "libnvpair.h"
34
35 /*
36 * libnvpair - A tools library for manipulating <name, value> pairs.
37 *
38 * This library provides routines packing an unpacking nv pairs
39 * for transporting data across process boundaries, transporting
40 * between kernel and userland, and possibly saving onto disk files.
41 */
42
43 /*
44 * Print control structure.
45 */
46
47 #define DEFINEOP(opname, vtype) \
48 struct { \
49 int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
50 const char *, vtype); \
51 void *arg; \
52 } opname
53
54 #define DEFINEARROP(opname, vtype) \
55 struct { \
56 int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
57 const char *, vtype, uint_t); \
58 void *arg; \
59 } opname
60
61 struct nvlist_printops {
62 DEFINEOP(print_boolean, int);
63 DEFINEOP(print_boolean_value, boolean_t);
64 DEFINEOP(print_byte, uchar_t);
65 DEFINEOP(print_int8, int8_t);
66 DEFINEOP(print_uint8, uint8_t);
67 DEFINEOP(print_int16, int16_t);
68 DEFINEOP(print_uint16, uint16_t);
69 DEFINEOP(print_int32, int32_t);
70 DEFINEOP(print_uint32, uint32_t);
71 DEFINEOP(print_int64, int64_t);
72 DEFINEOP(print_uint64, uint64_t);
73 DEFINEOP(print_double, double);
74 DEFINEOP(print_string, char *);
75 DEFINEOP(print_hrtime, hrtime_t);
76 DEFINEOP(print_nvlist, nvlist_t *);
77 DEFINEARROP(print_boolean_array, boolean_t *);
78 DEFINEARROP(print_byte_array, uchar_t *);
79 DEFINEARROP(print_int8_array, int8_t *);
80 DEFINEARROP(print_uint8_array, uint8_t *);
81 DEFINEARROP(print_int16_array, int16_t *);
82 DEFINEARROP(print_uint16_array, uint16_t *);
83 DEFINEARROP(print_int32_array, int32_t *);
84 DEFINEARROP(print_uint32_array, uint32_t *);
85 DEFINEARROP(print_int64_array, int64_t *);
86 DEFINEARROP(print_uint64_array, uint64_t *);
87 DEFINEARROP(print_string_array, char **);
88 DEFINEARROP(print_nvlist_array, nvlist_t **);
89 };
90
91 struct nvlist_prtctl {
92 FILE *nvprt_fp; /* output destination */
93 enum nvlist_indent_mode nvprt_indent_mode; /* see above */
94 int nvprt_indent; /* absolute indent, or tab depth */
95 int nvprt_indentinc; /* indent or tab increment */
96 const char *nvprt_nmfmt; /* member name format, max one %s */
97 const char *nvprt_eomfmt; /* after member format, e.g. "\n" */
98 const char *nvprt_btwnarrfmt; /* between array members */
99 int nvprt_btwnarrfmt_nl; /* nvprt_eoamfmt includes newline? */
100 struct nvlist_printops *nvprt_dfltops;
101 struct nvlist_printops *nvprt_custops;
102 };
103
104 #define DFLTPRTOP(pctl, type) \
105 ((pctl)->nvprt_dfltops->print_##type.op)
106
107 #define DFLTPRTOPARG(pctl, type) \
108 ((pctl)->nvprt_dfltops->print_##type.arg)
109
110 #define CUSTPRTOP(pctl, type) \
111 ((pctl)->nvprt_custops->print_##type.op)
112
113 #define CUSTPRTOPARG(pctl, type) \
114 ((pctl)->nvprt_custops->print_##type.arg)
115
116 #define RENDER(pctl, type, nvl, name, val) \
117 { \
118 int done = 0; \
119 if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
120 done = CUSTPRTOP(pctl, type)(pctl, \
121 CUSTPRTOPARG(pctl, type), nvl, name, val); \
122 } \
123 if (!done) { \
124 (void) DFLTPRTOP(pctl, type)(pctl, \
125 DFLTPRTOPARG(pctl, type), nvl, name, val); \
126 } \
127 (void) fprintf(pctl->nvprt_fp, pctl->nvprt_eomfmt); \
128 }
129
130 #define ARENDER(pctl, type, nvl, name, arrp, count) \
131 { \
132 int done = 0; \
133 if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
134 done = CUSTPRTOP(pctl, type)(pctl, \
135 CUSTPRTOPARG(pctl, type), nvl, name, arrp, count); \
136 } \
137 if (!done) { \
138 (void) DFLTPRTOP(pctl, type)(pctl, \
139 DFLTPRTOPARG(pctl, type), nvl, name, arrp, count); \
140 } \
141 (void) fprintf(pctl->nvprt_fp, pctl->nvprt_eomfmt); \
142 }
143
144 static void nvlist_print_with_indent(nvlist_t *, nvlist_prtctl_t);
145
146 /*
147 * ======================================================================
148 * | |
149 * | Indentation |
150 * | |
151 * ======================================================================
152 */
153
154 static void
155 indent(nvlist_prtctl_t pctl, int onemore)
156 {
157 int depth;
158
159 switch (pctl->nvprt_indent_mode) {
160 case NVLIST_INDENT_ABS:
161 (void) fprintf(pctl->nvprt_fp, "%*s",
162 pctl->nvprt_indent + onemore * pctl->nvprt_indentinc, "");
163 break;
164
165 case NVLIST_INDENT_TABBED:
166 depth = pctl->nvprt_indent + onemore;
167 while (depth-- > 0)
168 (void) fprintf(pctl->nvprt_fp, "\t");
169 }
170 }
171
172 /*
173 * ======================================================================
174 * | |
175 * | Default nvlist member rendering functions. |
176 * | |
177 * ======================================================================
178 */
179
180 /*
181 * Generate functions to print single-valued nvlist members.
182 *
183 * type_and_variant - suffix to form function name
184 * vtype - C type for the member value
185 * ptype - C type to cast value to for printing
186 * vfmt - format string for pair value, e.g "%d" or "0x%llx"
187 */
188
189 #define NVLIST_PRTFUNC(type_and_variant, vtype, ptype, vfmt) \
190 static int \
191 nvprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
192 nvlist_t *nvl, const char *name, vtype value) \
193 { \
194 FILE *fp = pctl->nvprt_fp; \
195 NOTE(ARGUNUSED(private)) \
196 NOTE(ARGUNUSED(nvl)) \
197 indent(pctl, 1); \
198 (void) fprintf(fp, pctl->nvprt_nmfmt, name); \
199 (void) fprintf(fp, vfmt, (ptype)value); \
200 return (1); \
201 }
202
203 NVLIST_PRTFUNC(boolean, int, int, "%d")
204 NVLIST_PRTFUNC(boolean_value, boolean_t, int, "%d")
205 NVLIST_PRTFUNC(byte, uchar_t, uchar_t, "0x%2.2x")
206 NVLIST_PRTFUNC(int8, int8_t, int, "%d")
207 NVLIST_PRTFUNC(uint8, uint8_t, uint8_t, "0x%x")
208 NVLIST_PRTFUNC(int16, int16_t, int16_t, "%d")
209 NVLIST_PRTFUNC(uint16, uint16_t, uint16_t, "0x%x")
210 NVLIST_PRTFUNC(int32, int32_t, int32_t, "%d")
211 NVLIST_PRTFUNC(uint32, uint32_t, uint32_t, "0x%x")
212 NVLIST_PRTFUNC(int64, int64_t, longlong_t, "%lld")
213 NVLIST_PRTFUNC(uint64, uint64_t, u_longlong_t, "0x%llx")
214 NVLIST_PRTFUNC(double, double, double, "0x%f")
215 NVLIST_PRTFUNC(string, char *, char *, "%s")
216 NVLIST_PRTFUNC(hrtime, hrtime_t, hrtime_t, "0x%llx")
217
218 /*
219 * Generate functions to print array-valued nvlist members.
220 */
221
222 #define NVLIST_ARRPRTFUNC(type_and_variant, vtype, ptype, vfmt) \
223 static int \
224 nvaprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
225 nvlist_t *nvl, const char *name, vtype *valuep, uint_t count) \
226 { \
227 FILE *fp = pctl->nvprt_fp; \
228 uint_t i; \
229 NOTE(ARGUNUSED(private)) \
230 NOTE(ARGUNUSED(nvl)) \
231 for (i = 0; i < count; i++) { \
232 if (i == 0 || pctl->nvprt_btwnarrfmt_nl) { \
233 indent(pctl, 1); \
234 (void) fprintf(fp, pctl->nvprt_nmfmt, name); \
235 if (pctl->nvprt_btwnarrfmt_nl) \
236 (void) fprintf(fp, "[%d]: ", i); \
237 } \
238 if (i != 0) \
239 (void) fprintf(fp, pctl->nvprt_btwnarrfmt); \
240 (void) fprintf(fp, vfmt, (ptype)valuep[i]); \
241 } \
242 return (1); \
243 }
244
245 NVLIST_ARRPRTFUNC(boolean_array, boolean_t, boolean_t, "%d")
246 NVLIST_ARRPRTFUNC(byte_array, uchar_t, uchar_t, "0x%2.2x")
247 NVLIST_ARRPRTFUNC(int8_array, int8_t, int8_t, "%d")
248 NVLIST_ARRPRTFUNC(uint8_array, uint8_t, uint8_t, "0x%x")
249 NVLIST_ARRPRTFUNC(int16_array, int16_t, int16_t, "%d")
250 NVLIST_ARRPRTFUNC(uint16_array, uint16_t, uint16_t, "0x%x")
251 NVLIST_ARRPRTFUNC(int32_array, int32_t, int32_t, "%d")
252 NVLIST_ARRPRTFUNC(uint32_array, uint32_t, uint32_t, "0x%x")
253 NVLIST_ARRPRTFUNC(int64_array, int64_t, longlong_t, "%lld")
254 NVLIST_ARRPRTFUNC(uint64_array, uint64_t, u_longlong_t, "0x%llx")
255 NVLIST_ARRPRTFUNC(string_array, char *, char *, "%s")
256
257 /*ARGSUSED*/
258 static int
259 nvprint_nvlist(nvlist_prtctl_t pctl, void *private,
260 nvlist_t *nvl, const char *name, nvlist_t *value)
261 {
262 FILE *fp = pctl->nvprt_fp;
263
264 indent(pctl, 1);
265 (void) fprintf(fp, "%s = (embedded nvlist)\n", name);
266
267 pctl->nvprt_indent += pctl->nvprt_indentinc;
268 nvlist_print_with_indent(value, pctl);
269 pctl->nvprt_indent -= pctl->nvprt_indentinc;
270
271 indent(pctl, 1);
272 (void) fprintf(fp, "(end %s)\n", name);
273
274 return (1);
275 }
276
277 /*ARGSUSED*/
278 static int
279 nvaprint_nvlist_array(nvlist_prtctl_t pctl, void *private,
280 nvlist_t *nvl, const char *name, nvlist_t **valuep, uint_t count)
281 {
282 FILE *fp = pctl->nvprt_fp;
283 uint_t i;
284
285 indent(pctl, 1);
286 (void) fprintf(fp, "%s = (array of embedded nvlists)\n", name);
287
288 for (i = 0; i < count; i++) {
289 indent(pctl, 1);
290 (void) fprintf(fp, "(start %s[%d])\n", name, i);
291
292 pctl->nvprt_indent += pctl->nvprt_indentinc;
293 nvlist_print_with_indent(valuep[i], pctl);
294 pctl->nvprt_indent -= pctl->nvprt_indentinc;
295
296 indent(pctl, 1);
297 (void) fprintf(fp, "(end %s[%d])\n", name, i);
298 }
299
300 return (1);
301 }
302
303 /*
304 * ======================================================================
305 * | |
306 * | Interfaces that allow control over formatting. |
307 * | |
308 * ======================================================================
309 */
310
311 void
312 nvlist_prtctl_setdest(nvlist_prtctl_t pctl, FILE *fp)
313 {
314 pctl->nvprt_fp = fp;
315 }
316
317 FILE *
318 nvlist_prtctl_getdest(nvlist_prtctl_t pctl)
319 {
320 return (pctl->nvprt_fp);
321 }
322
323
324 void
325 nvlist_prtctl_setindent(nvlist_prtctl_t pctl, enum nvlist_indent_mode mode,
326 int start, int inc)
327 {
328 if (mode < NVLIST_INDENT_ABS || mode > NVLIST_INDENT_TABBED)
329 mode = NVLIST_INDENT_TABBED;
330
331 if (start < 0)
332 start = 0;
333
334 if (inc < 0)
335 inc = 1;
336
337 pctl->nvprt_indent_mode = mode;
338 pctl->nvprt_indent = start;
339 pctl->nvprt_indentinc = inc;
340 }
341
342 void
343 nvlist_prtctl_doindent(nvlist_prtctl_t pctl, int onemore)
344 {
345 indent(pctl, onemore);
346 }
347
348
349 void
350 nvlist_prtctl_setfmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which,
351 const char *fmt)
352 {
353 switch (which) {
354 case NVLIST_FMT_MEMBER_NAME:
355 if (fmt == NULL)
356 fmt = "%s = ";
357 pctl->nvprt_nmfmt = fmt;
358 break;
359
360 case NVLIST_FMT_MEMBER_POSTAMBLE:
361 if (fmt == NULL)
362 fmt = "\n";
363 pctl->nvprt_eomfmt = fmt;
364 break;
365
366 case NVLIST_FMT_BTWN_ARRAY:
367 if (fmt == NULL) {
368 pctl->nvprt_btwnarrfmt = " ";
369 pctl->nvprt_btwnarrfmt_nl = 0;
370 } else {
371 pctl->nvprt_btwnarrfmt = fmt;
372 pctl->nvprt_btwnarrfmt_nl = (strstr(fmt, "\n") != NULL);
373 }
374 break;
375
376 default:
377 break;
378 }
379 }
380
381
382 void
383 nvlist_prtctl_dofmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which, ...)
384 {
385 FILE *fp = pctl->nvprt_fp;
386 va_list ap;
387 char *name;
388
389 va_start(ap, which);
390
391 switch (which) {
392 case NVLIST_FMT_MEMBER_NAME:
393 name = va_arg(ap, char *);
394 (void) fprintf(fp, pctl->nvprt_nmfmt, name);
395 break;
396
397 case NVLIST_FMT_MEMBER_POSTAMBLE:
398 (void) fprintf(fp, pctl->nvprt_eomfmt);
399 break;
400
401 case NVLIST_FMT_BTWN_ARRAY:
402 (void) fprintf(fp, pctl->nvprt_btwnarrfmt); \
403 break;
404
405 default:
406 break;
407 }
408
409 va_end(ap);
410 }
411
412 /*
413 * ======================================================================
414 * | |
415 * | Interfaces to allow appointment of replacement rendering functions.|
416 * | |
417 * ======================================================================
418 */
419
420 #define NVLIST_PRINTCTL_REPLACE(type, vtype) \
421 void \
422 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
423 int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype), \
424 void *private) \
425 { \
426 CUSTPRTOP(pctl, type) = func; \
427 CUSTPRTOPARG(pctl, type) = private; \
428 }
429
430 NVLIST_PRINTCTL_REPLACE(boolean, int)
431 NVLIST_PRINTCTL_REPLACE(boolean_value, boolean_t)
432 NVLIST_PRINTCTL_REPLACE(byte, uchar_t)
433 NVLIST_PRINTCTL_REPLACE(int8, int8_t)
434 NVLIST_PRINTCTL_REPLACE(uint8, uint8_t)
435 NVLIST_PRINTCTL_REPLACE(int16, int16_t)
436 NVLIST_PRINTCTL_REPLACE(uint16, uint16_t)
437 NVLIST_PRINTCTL_REPLACE(int32, int32_t)
438 NVLIST_PRINTCTL_REPLACE(uint32, uint32_t)
439 NVLIST_PRINTCTL_REPLACE(int64, int64_t)
440 NVLIST_PRINTCTL_REPLACE(uint64, uint64_t)
441 NVLIST_PRINTCTL_REPLACE(double, double)
442 NVLIST_PRINTCTL_REPLACE(string, char *)
443 NVLIST_PRINTCTL_REPLACE(hrtime, hrtime_t)
444 NVLIST_PRINTCTL_REPLACE(nvlist, nvlist_t *)
445
446 #define NVLIST_PRINTCTL_AREPLACE(type, vtype) \
447 void \
448 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
449 int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype, \
450 uint_t), void *private) \
451 { \
452 CUSTPRTOP(pctl, type) = func; \
453 CUSTPRTOPARG(pctl, type) = private; \
454 }
455
456 NVLIST_PRINTCTL_AREPLACE(boolean_array, boolean_t *)
457 NVLIST_PRINTCTL_AREPLACE(byte_array, uchar_t *)
458 NVLIST_PRINTCTL_AREPLACE(int8_array, int8_t *)
459 NVLIST_PRINTCTL_AREPLACE(uint8_array, uint8_t *)
460 NVLIST_PRINTCTL_AREPLACE(int16_array, int16_t *)
461 NVLIST_PRINTCTL_AREPLACE(uint16_array, uint16_t *)
462 NVLIST_PRINTCTL_AREPLACE(int32_array, int32_t *)
463 NVLIST_PRINTCTL_AREPLACE(uint32_array, uint32_t *)
464 NVLIST_PRINTCTL_AREPLACE(int64_array, int64_t *)
465 NVLIST_PRINTCTL_AREPLACE(uint64_array, uint64_t *)
466 NVLIST_PRINTCTL_AREPLACE(string_array, char **)
467 NVLIST_PRINTCTL_AREPLACE(nvlist_array, nvlist_t **)
468
469 /*
470 * ======================================================================
471 * | |
472 * | Interfaces to manage nvlist_prtctl_t cookies. |
473 * | |
474 * ======================================================================
475 */
476
477
478 static const struct nvlist_printops defprtops = {
479 { nvprint_boolean, NULL },
480 { nvprint_boolean_value, NULL },
481 { nvprint_byte, NULL },
482 { nvprint_int8, NULL },
483 { nvprint_uint8, NULL },
484 { nvprint_int16, NULL },
485 { nvprint_uint16, NULL },
486 { nvprint_int32, NULL },
487 { nvprint_uint32, NULL },
488 { nvprint_int64, NULL },
489 { nvprint_uint64, NULL },
490 { nvprint_double, NULL },
491 { nvprint_string, NULL },
492 { nvprint_hrtime, NULL },
493 { nvprint_nvlist, NULL },
494 { nvaprint_boolean_array, NULL },
495 { nvaprint_byte_array, NULL },
496 { nvaprint_int8_array, NULL },
497 { nvaprint_uint8_array, NULL },
498 { nvaprint_int16_array, NULL },
499 { nvaprint_uint16_array, NULL },
500 { nvaprint_int32_array, NULL },
501 { nvaprint_uint32_array, NULL },
502 { nvaprint_int64_array, NULL },
503 { nvaprint_uint64_array, NULL },
504 { nvaprint_string_array, NULL },
505 { nvaprint_nvlist_array, NULL },
506 };
507
508 static void
509 prtctl_defaults(FILE *fp, struct nvlist_prtctl *pctl,
510 struct nvlist_printops *ops)
511 {
512 pctl->nvprt_fp = fp;
513 pctl->nvprt_indent_mode = NVLIST_INDENT_TABBED;
514 pctl->nvprt_indent = 0;
515 pctl->nvprt_indentinc = 1;
516 pctl->nvprt_nmfmt = "%s = ";
517 pctl->nvprt_eomfmt = "\n";
518 pctl->nvprt_btwnarrfmt = " ";
519 pctl->nvprt_btwnarrfmt_nl = 0;
520
521 pctl->nvprt_dfltops = (struct nvlist_printops *)&defprtops;
522 pctl->nvprt_custops = ops;
523 }
524
525 nvlist_prtctl_t
526 nvlist_prtctl_alloc(void)
527 {
528 struct nvlist_prtctl *pctl;
529 struct nvlist_printops *ops;
530
531 if ((pctl = malloc(sizeof (*pctl))) == NULL)
532 return (NULL);
533
534 if ((ops = calloc(1, sizeof (*ops))) == NULL) {
535 free(pctl);
536 return (NULL);
537 }
538
539 prtctl_defaults(stdout, pctl, ops);
540
541 return (pctl);
542 }
543
544 void
545 nvlist_prtctl_free(nvlist_prtctl_t pctl)
546 {
547 if (pctl != NULL) {
548 free(pctl->nvprt_custops);
549 free(pctl);
550 }
551 }
552
553 /*
554 * ======================================================================
555 * | |
556 * | Top-level print request interfaces. |
557 * | |
558 * ======================================================================
559 */
560
561 /*
562 * nvlist_print - Prints elements in an event buffer
563 */
564 static void
565 nvlist_print_with_indent(nvlist_t *nvl, nvlist_prtctl_t pctl)
566 {
567 FILE *fp = pctl->nvprt_fp;
568 char *name;
569 uint_t nelem;
570 nvpair_t *nvp;
571
572 if (nvl == NULL)
573 return;
574
575 indent(pctl, 0);
576 (void) fprintf(fp, "nvlist version: %d\n", NVL_VERSION(nvl));
577
578 nvp = nvlist_next_nvpair(nvl, NULL);
579
580 while (nvp) {
581 data_type_t type = nvpair_type(nvp);
582
583 name = nvpair_name(nvp);
584 nelem = 0;
585
586 switch (type) {
587 case DATA_TYPE_BOOLEAN: {
588 RENDER(pctl, boolean, nvl, name, 1);
589 break;
590 }
591 case DATA_TYPE_BOOLEAN_VALUE: {
592 boolean_t val;
593 (void) nvpair_value_boolean_value(nvp, &val);
594 RENDER(pctl, boolean_value, nvl, name, val);
595 break;
596 }
597 case DATA_TYPE_BYTE: {
598 uchar_t val;
599 (void) nvpair_value_byte(nvp, &val);
600 RENDER(pctl, byte, nvl, name, val);
601 break;
602 }
603 case DATA_TYPE_INT8: {
604 int8_t val;
605 (void) nvpair_value_int8(nvp, &val);
606 RENDER(pctl, int8, nvl, name, val);
607 break;
608 }
609 case DATA_TYPE_UINT8: {
610 uint8_t val;
611 (void) nvpair_value_uint8(nvp, &val);
612 RENDER(pctl, uint8, nvl, name, val);
613 break;
614 }
615 case DATA_TYPE_INT16: {
616 int16_t val;
617 (void) nvpair_value_int16(nvp, &val);
618 RENDER(pctl, int16, nvl, name, val);
619 break;
620 }
621 case DATA_TYPE_UINT16: {
622 uint16_t val;
623 (void) nvpair_value_uint16(nvp, &val);
624 RENDER(pctl, uint16, nvl, name, val);
625 break;
626 }
627 case DATA_TYPE_INT32: {
628 int32_t val;
629 (void) nvpair_value_int32(nvp, &val);
630 RENDER(pctl, int32, nvl, name, val);
631 break;
632 }
633 case DATA_TYPE_UINT32: {
634 uint32_t val;
635 (void) nvpair_value_uint32(nvp, &val);
636 RENDER(pctl, uint32, nvl, name, val);
637 break;
638 }
639 case DATA_TYPE_INT64: {
640 int64_t val;
641 (void) nvpair_value_int64(nvp, &val);
642 RENDER(pctl, int64, nvl, name, val);
643 break;
644 }
645 case DATA_TYPE_UINT64: {
646 uint64_t val;
647 (void) nvpair_value_uint64(nvp, &val);
648 RENDER(pctl, uint64, nvl, name, val);
649 break;
650 }
651 case DATA_TYPE_DOUBLE: {
652 double val;
653 (void) nvpair_value_double(nvp, &val);
654 RENDER(pctl, double, nvl, name, val);
655 break;
656 }
657 case DATA_TYPE_STRING: {
658 char *val;
659 (void) nvpair_value_string(nvp, &val);
660 RENDER(pctl, string, nvl, name, val);
661 break;
662 }
663 case DATA_TYPE_BOOLEAN_ARRAY: {
664 boolean_t *val;
665 (void) nvpair_value_boolean_array(nvp, &val, &nelem);
666 ARENDER(pctl, boolean_array, nvl, name, val, nelem);
667 break;
668 }
669 case DATA_TYPE_BYTE_ARRAY: {
670 uchar_t *val;
671 (void) nvpair_value_byte_array(nvp, &val, &nelem);
672 ARENDER(pctl, byte_array, nvl, name, val, nelem);
673 break;
674 }
675 case DATA_TYPE_INT8_ARRAY: {
676 int8_t *val;
677 (void) nvpair_value_int8_array(nvp, &val, &nelem);
678 ARENDER(pctl, int8_array, nvl, name, val, nelem);
679 break;
680 }
681 case DATA_TYPE_UINT8_ARRAY: {
682 uint8_t *val;
683 (void) nvpair_value_uint8_array(nvp, &val, &nelem);
684 ARENDER(pctl, uint8_array, nvl, name, val, nelem);
685 break;
686 }
687 case DATA_TYPE_INT16_ARRAY: {
688 int16_t *val;
689 (void) nvpair_value_int16_array(nvp, &val, &nelem);
690 ARENDER(pctl, int16_array, nvl, name, val, nelem);
691 break;
692 }
693 case DATA_TYPE_UINT16_ARRAY: {
694 uint16_t *val;
695 (void) nvpair_value_uint16_array(nvp, &val, &nelem);
696 ARENDER(pctl, uint16_array, nvl, name, val, nelem);
697 break;
698 }
699 case DATA_TYPE_INT32_ARRAY: {
700 int32_t *val;
701 (void) nvpair_value_int32_array(nvp, &val, &nelem);
702 ARENDER(pctl, int32_array, nvl, name, val, nelem);
703 break;
704 }
705 case DATA_TYPE_UINT32_ARRAY: {
706 uint32_t *val;
707 (void) nvpair_value_uint32_array(nvp, &val, &nelem);
708 ARENDER(pctl, uint32_array, nvl, name, val, nelem);
709 break;
710 }
711 case DATA_TYPE_INT64_ARRAY: {
712 int64_t *val;
713 (void) nvpair_value_int64_array(nvp, &val, &nelem);
714 ARENDER(pctl, int64_array, nvl, name, val, nelem);
715 break;
716 }
717 case DATA_TYPE_UINT64_ARRAY: {
718 uint64_t *val;
719 (void) nvpair_value_uint64_array(nvp, &val, &nelem);
720 ARENDER(pctl, uint64_array, nvl, name, val, nelem);
721 break;
722 }
723 case DATA_TYPE_STRING_ARRAY: {
724 char **val;
725 (void) nvpair_value_string_array(nvp, &val, &nelem);
726 ARENDER(pctl, string_array, nvl, name, val, nelem);
727 break;
728 }
729 case DATA_TYPE_HRTIME: {
730 hrtime_t val;
731 (void) nvpair_value_hrtime(nvp, &val);
732 RENDER(pctl, hrtime, nvl, name, val);
733 break;
734 }
735 case DATA_TYPE_NVLIST: {
736 nvlist_t *val;
737 (void) nvpair_value_nvlist(nvp, &val);
738 RENDER(pctl, nvlist, nvl, name, val);
739 break;
740 }
741 case DATA_TYPE_NVLIST_ARRAY: {
742 nvlist_t **val;
743 (void) nvpair_value_nvlist_array(nvp, &val, &nelem);
744 ARENDER(pctl, nvlist_array, nvl, name, val, nelem);
745 break;
746 }
747 default:
748 (void) fprintf(fp, " unknown data type (%d)", type);
749 break;
750 }
751 nvp = nvlist_next_nvpair(nvl, nvp);
752 }
753 }
754
755 void
756 nvlist_print(FILE *fp, nvlist_t *nvl)
757 {
758 struct nvlist_prtctl pc;
759
760 prtctl_defaults(fp, &pc, NULL);
761 nvlist_print_with_indent(nvl, &pc);
762 }
763
764 void
765 nvlist_prt(nvlist_t *nvl, nvlist_prtctl_t pctl)
766 {
767 nvlist_print_with_indent(nvl, pctl);
768 }
769
770 #define NVP(elem, type, vtype, ptype, format) { \
771 vtype value; \
772 \
773 (void) nvpair_value_##type(elem, &value); \
774 (void) printf("%*s%s: " format "\n", indent, "", \
775 nvpair_name(elem), (ptype)value); \
776 }
777
778 #define NVPA(elem, type, vtype, ptype, format) { \
779 uint_t i, count; \
780 vtype *value; \
781 \
782 (void) nvpair_value_##type(elem, &value, &count); \
783 for (i = 0; i < count; i++) { \
784 (void) printf("%*s%s[%d]: " format "\n", indent, "", \
785 nvpair_name(elem), i, (ptype)value[i]); \
786 } \
787 }
788
789 /*
790 * Similar to nvlist_print() but handles arrays slightly differently.
791 */
792 void
793 dump_nvlist(nvlist_t *list, int indent)
794 {
795 nvpair_t *elem = NULL;
796 boolean_t bool_value;
797 boolean_t *bool_array_value;
798 nvlist_t *nvlist_value;
799 nvlist_t **nvlist_array_value;
800 uint_t i, count;
801
802 if (list == NULL) {
803 return;
804 }
805
806 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
807 switch (nvpair_type(elem)) {
808 case DATA_TYPE_BOOLEAN:
809 (void) printf("%*s%s\n", indent, "", nvpair_name(elem));
810 break;
811
812 case DATA_TYPE_BOOLEAN_VALUE:
813 (void) nvpair_value_boolean_value(elem, &bool_value);
814 (void) printf("%*s%s: %s\n", indent, "",
815 nvpair_name(elem), bool_value ? "true" : "false");
816 break;
817
818 case DATA_TYPE_BYTE:
819 NVP(elem, byte, uchar_t, int, "%u");
820 break;
821
822 case DATA_TYPE_INT8:
823 NVP(elem, int8, int8_t, int, "%d");
824 break;
825
826 case DATA_TYPE_UINT8:
827 NVP(elem, uint8, uint8_t, int, "%u");
828 break;
829
830 case DATA_TYPE_INT16:
831 NVP(elem, int16, int16_t, int, "%d");
832 break;
833
834 case DATA_TYPE_UINT16:
835 NVP(elem, uint16, uint16_t, int, "%u");
836 break;
837
838 case DATA_TYPE_INT32:
839 NVP(elem, int32, int32_t, long, "%ld");
840 break;
841
842 case DATA_TYPE_UINT32:
843 NVP(elem, uint32, uint32_t, ulong_t, "%lu");
844 break;
845
846 case DATA_TYPE_INT64:
847 NVP(elem, int64, int64_t, longlong_t, "%lld");
848 break;
849
850 case DATA_TYPE_UINT64:
851 NVP(elem, uint64, uint64_t, u_longlong_t, "%llu");
852 break;
853
854 case DATA_TYPE_STRING:
855 NVP(elem, string, char *, char *, "'%s'");
856 break;
857
858 case DATA_TYPE_BOOLEAN_ARRAY:
859 (void) nvpair_value_boolean_array(elem,
860 &bool_array_value, &count);
861 for (i = 0; i < count; i++) {
862 (void) printf("%*s%s[%d]: %s\n", indent, "",
863 nvpair_name(elem), i,
864 bool_array_value[i] ? "true" : "false");
865 }
866 break;
867
868 case DATA_TYPE_BYTE_ARRAY:
869 NVPA(elem, byte_array, uchar_t, int, "%u");
870 break;
871
872 case DATA_TYPE_INT8_ARRAY:
873 NVPA(elem, int8_array, int8_t, int, "%d");
874 break;
875
876 case DATA_TYPE_UINT8_ARRAY:
877 NVPA(elem, uint8_array, uint8_t, int, "%u");
878 break;
879
880 case DATA_TYPE_INT16_ARRAY:
881 NVPA(elem, int16_array, int16_t, int, "%d");
882 break;
883
884 case DATA_TYPE_UINT16_ARRAY:
885 NVPA(elem, uint16_array, uint16_t, int, "%u");
886 break;
887
888 case DATA_TYPE_INT32_ARRAY:
889 NVPA(elem, int32_array, int32_t, long, "%ld");
890 break;
891
892 case DATA_TYPE_UINT32_ARRAY:
893 NVPA(elem, uint32_array, uint32_t, ulong_t, "%lu");
894 break;
895
896 case DATA_TYPE_INT64_ARRAY:
897 NVPA(elem, int64_array, int64_t, longlong_t, "%lld");
898 break;
899
900 case DATA_TYPE_UINT64_ARRAY:
901 NVPA(elem, uint64_array, uint64_t, u_longlong_t,
902 "%llu");
903 break;
904
905 case DATA_TYPE_STRING_ARRAY:
906 NVPA(elem, string_array, char *, char *, "'%s'");
907 break;
908
909 case DATA_TYPE_NVLIST:
910 (void) nvpair_value_nvlist(elem, &nvlist_value);
911 (void) printf("%*s%s:\n", indent, "",
912 nvpair_name(elem));
913 dump_nvlist(nvlist_value, indent + 4);
914 break;
915
916 case DATA_TYPE_NVLIST_ARRAY:
917 (void) nvpair_value_nvlist_array(elem,
918 &nvlist_array_value, &count);
919 for (i = 0; i < count; i++) {
920 (void) printf("%*s%s[%u]:\n", indent, "",
921 nvpair_name(elem), i);
922 dump_nvlist(nvlist_array_value[i], indent + 4);
923 }
924 break;
925
926 default:
927 (void) printf(dgettext(TEXT_DOMAIN, "bad config type "
928 "%d for %s\n"), nvpair_type(elem),
929 nvpair_name(elem));
930 }
931 }
932 }
933
934 /*
935 * ======================================================================
936 * | |
937 * | Misc private interface. |
938 * | |
939 * ======================================================================
940 */
941
942 /*
943 * Determine if string 'value' matches 'nvp' value. The 'value' string is
944 * converted, depending on the type of 'nvp', prior to match. For numeric
945 * types, a radix independent sscanf conversion of 'value' is used. If 'nvp'
946 * is an array type, 'ai' is the index into the array against which we are
947 * checking for match. If nvp is of DATA_TYPE_STRING*, the caller can pass
948 * in a regex_t compilation of value in 'value_regex' to trigger regular
949 * expression string match instead of simple strcmp().
950 *
951 * Return 1 on match, 0 on no-match, and -1 on error. If the error is
952 * related to value syntax error and 'ep' is non-NULL, *ep will point into
953 * the 'value' string at the location where the error exists.
954 *
955 * NOTE: It may be possible to move the non-regex_t version of this into
956 * common code used by library/kernel/boot.
957 */
958 int
959 nvpair_value_match_regex(nvpair_t *nvp, int ai,
960 char *value, regex_t *value_regex, char **ep)
961 {
962 char *evalue;
963 uint_t a_len;
964 int sr;
965
966 if (ep)
967 *ep = NULL;
968
969 if ((nvp == NULL) || (value == NULL))
970 return (-1); /* error fail match - invalid args */
971
972 /* make sure array and index combination make sense */
973 if ((nvpair_type_is_array(nvp) && (ai < 0)) ||
974 (!nvpair_type_is_array(nvp) && (ai >= 0)))
975 return (-1); /* error fail match - bad index */
976
977 /* non-string values should be single 'chunk' */
978 if ((nvpair_type(nvp) != DATA_TYPE_STRING) &&
979 (nvpair_type(nvp) != DATA_TYPE_STRING_ARRAY)) {
980 value += strspn(value, " \t");
981 evalue = value + strcspn(value, " \t");
982 if (*evalue) {
983 if (ep)
984 *ep = evalue;
985 return (-1); /* error fail match - syntax */
986 }
987 }
988
989 sr = EOF;
990 switch (nvpair_type(nvp)) {
991 case DATA_TYPE_STRING: {
992 char *val;
993
994 /* check string value for match */
995 if (nvpair_value_string(nvp, &val) == 0) {
996 if (value_regex) {
997 if (regexec(value_regex, val,
998 (size_t)0, NULL, 0) == 0)
999 return (1); /* match */
1000 } else {
1001 if (strcmp(value, val) == 0)
1002 return (1); /* match */
1003 }
1004 }
1005 break;
1006 }
1007 case DATA_TYPE_STRING_ARRAY: {
1008 char **val_array;
1009
1010 /* check indexed string value of array for match */
1011 if ((nvpair_value_string_array(nvp, &val_array, &a_len) == 0) &&
1012 (ai < a_len)) {
1013 if (value_regex) {
1014 if (regexec(value_regex, val_array[ai],
1015 (size_t)0, NULL, 0) == 0)
1016 return (1);
1017 } else {
1018 if (strcmp(value, val_array[ai]) == 0)
1019 return (1);
1020 }
1021 }
1022 break;
1023 }
1024 case DATA_TYPE_BYTE: {
1025 uchar_t val, val_arg;
1026
1027 /* scanf uchar_t from value and check for match */
1028 sr = sscanf(value, "%c", &val_arg);
1029 if ((sr == 1) && (nvpair_value_byte(nvp, &val) == 0) &&
1030 (val == val_arg))
1031 return (1);
1032 break;
1033 }
1034 case DATA_TYPE_BYTE_ARRAY: {
1035 uchar_t *val_array, val_arg;
1036
1037
1038 /* check indexed value of array for match */
1039 sr = sscanf(value, "%c", &val_arg);
1040 if ((sr == 1) &&
1041 (nvpair_value_byte_array(nvp, &val_array, &a_len) == 0) &&
1042 (ai < a_len) &&
1043 (val_array[ai] == val_arg))
1044 return (1);
1045 break;
1046 }
1047 case DATA_TYPE_INT8: {
1048 int8_t val, val_arg;
1049
1050 /* scanf int8_t from value and check for match */
1051 sr = sscanf(value, "%"SCNi8, &val_arg);
1052 if ((sr == 1) &&
1053 (nvpair_value_int8(nvp, &val) == 0) &&
1054 (val == val_arg))
1055 return (1);
1056 break;
1057 }
1058 case DATA_TYPE_INT8_ARRAY: {
1059 int8_t *val_array, val_arg;
1060
1061 /* check indexed value of array for match */
1062 sr = sscanf(value, "%"SCNi8, &val_arg);
1063 if ((sr == 1) &&
1064 (nvpair_value_int8_array(nvp, &val_array, &a_len) == 0) &&
1065 (ai < a_len) &&
1066 (val_array[ai] == val_arg))
1067 return (1);
1068 break;
1069 }
1070 case DATA_TYPE_UINT8: {
1071 uint8_t val, val_arg;
1072
1073 /* scanf uint8_t from value and check for match */
1074 sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1075 if ((sr == 1) &&
1076 (nvpair_value_uint8(nvp, &val) == 0) &&
1077 (val == val_arg))
1078 return (1);
1079 break;
1080 }
1081 case DATA_TYPE_UINT8_ARRAY: {
1082 uint8_t *val_array, val_arg;
1083
1084 /* check indexed value of array for match */
1085 sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1086 if ((sr == 1) &&
1087 (nvpair_value_uint8_array(nvp, &val_array, &a_len) == 0) &&
1088 (ai < a_len) &&
1089 (val_array[ai] == val_arg))
1090 return (1);
1091 break;
1092 }
1093 case DATA_TYPE_INT16: {
1094 int16_t val, val_arg;
1095
1096 /* scanf int16_t from value and check for match */
1097 sr = sscanf(value, "%"SCNi16, &val_arg);
1098 if ((sr == 1) &&
1099 (nvpair_value_int16(nvp, &val) == 0) &&
1100 (val == val_arg))
1101 return (1);
1102 break;
1103 }
1104 case DATA_TYPE_INT16_ARRAY: {
1105 int16_t *val_array, val_arg;
1106
1107 /* check indexed value of array for match */
1108 sr = sscanf(value, "%"SCNi16, &val_arg);
1109 if ((sr == 1) &&
1110 (nvpair_value_int16_array(nvp, &val_array, &a_len) == 0) &&
1111 (ai < a_len) &&
1112 (val_array[ai] == val_arg))
1113 return (1);
1114 break;
1115 }
1116 case DATA_TYPE_UINT16: {
1117 uint16_t val, val_arg;
1118
1119 /* scanf uint16_t from value and check for match */
1120 sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1121 if ((sr == 1) &&
1122 (nvpair_value_uint16(nvp, &val) == 0) &&
1123 (val == val_arg))
1124 return (1);
1125 break;
1126 }
1127 case DATA_TYPE_UINT16_ARRAY: {
1128 uint16_t *val_array, val_arg;
1129
1130 /* check indexed value of array for match */
1131 sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1132 if ((sr == 1) &&
1133 (nvpair_value_uint16_array(nvp, &val_array, &a_len) == 0) &&
1134 (ai < a_len) &&
1135 (val_array[ai] == val_arg))
1136 return (1);
1137 break;
1138 }
1139 case DATA_TYPE_INT32: {
1140 int32_t val, val_arg;
1141
1142 /* scanf int32_t from value and check for match */
1143 sr = sscanf(value, "%"SCNi32, &val_arg);
1144 if ((sr == 1) &&
1145 (nvpair_value_int32(nvp, &val) == 0) &&
1146 (val == val_arg))
1147 return (1);
1148 break;
1149 }
1150 case DATA_TYPE_INT32_ARRAY: {
1151 int32_t *val_array, val_arg;
1152
1153 /* check indexed value of array for match */
1154 sr = sscanf(value, "%"SCNi32, &val_arg);
1155 if ((sr == 1) &&
1156 (nvpair_value_int32_array(nvp, &val_array, &a_len) == 0) &&
1157 (ai < a_len) &&
1158 (val_array[ai] == val_arg))
1159 return (1);
1160 break;
1161 }
1162 case DATA_TYPE_UINT32: {
1163 uint32_t val, val_arg;
1164
1165 /* scanf uint32_t from value and check for match */
1166 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1167 if ((sr == 1) &&
1168 (nvpair_value_uint32(nvp, &val) == 0) &&
1169 (val == val_arg))
1170 return (1);
1171 break;
1172 }
1173 case DATA_TYPE_UINT32_ARRAY: {
1174 uint32_t *val_array, val_arg;
1175
1176 /* check indexed value of array for match */
1177 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1178 if ((sr == 1) &&
1179 (nvpair_value_uint32_array(nvp, &val_array, &a_len) == 0) &&
1180 (ai < a_len) &&
1181 (val_array[ai] == val_arg))
1182 return (1);
1183 break;
1184 }
1185 case DATA_TYPE_INT64: {
1186 int64_t val, val_arg;
1187
1188 /* scanf int64_t from value and check for match */
1189 sr = sscanf(value, "%"SCNi64, &val_arg);
1190 if ((sr == 1) &&
1191 (nvpair_value_int64(nvp, &val) == 0) &&
1192 (val == val_arg))
1193 return (1);
1194 break;
1195 }
1196 case DATA_TYPE_INT64_ARRAY: {
1197 int64_t *val_array, val_arg;
1198
1199 /* check indexed value of array for match */
1200 sr = sscanf(value, "%"SCNi64, &val_arg);
1201 if ((sr == 1) &&
1202 (nvpair_value_int64_array(nvp, &val_array, &a_len) == 0) &&
1203 (ai < a_len) &&
1204 (val_array[ai] == val_arg))
1205 return (1);
1206 break;
1207 }
1208 case DATA_TYPE_UINT64: {
1209 uint64_t val_arg, val;
1210
1211 /* scanf uint64_t from value and check for match */
1212 sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1213 if ((sr == 1) &&
1214 (nvpair_value_uint64(nvp, &val) == 0) &&
1215 (val == val_arg))
1216 return (1);
1217 break;
1218 }
1219 case DATA_TYPE_UINT64_ARRAY: {
1220 uint64_t *val_array, val_arg;
1221
1222 /* check indexed value of array for match */
1223 sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1224 if ((sr == 1) &&
1225 (nvpair_value_uint64_array(nvp, &val_array, &a_len) == 0) &&
1226 (ai < a_len) &&
1227 (val_array[ai] == val_arg))
1228 return (1);
1229 break;
1230 }
1231 case DATA_TYPE_BOOLEAN_VALUE: {
1232 int32_t val_arg;
1233 boolean_t val;
1234
1235 /* scanf boolean_t from value and check for match */
1236 sr = sscanf(value, "%"SCNi32, &val_arg);
1237 if ((sr == 1) &&
1238 (nvpair_value_boolean_value(nvp, &val) == 0) &&
1239 (val == val_arg))
1240 return (1);
1241 break;
1242 }
1243 case DATA_TYPE_BOOLEAN_ARRAY: {
1244 boolean_t *val_array;
1245 int32_t val_arg;
1246
1247 /* check indexed value of array for match */
1248 sr = sscanf(value, "%"SCNi32, &val_arg);
1249 if ((sr == 1) &&
1250 (nvpair_value_boolean_array(nvp,
1251 &val_array, &a_len) == 0) &&
1252 (ai < a_len) &&
1253 (val_array[ai] == val_arg))
1254 return (1);
1255 break;
1256 }
1257 case DATA_TYPE_HRTIME:
1258 case DATA_TYPE_NVLIST:
1259 case DATA_TYPE_NVLIST_ARRAY:
1260 case DATA_TYPE_BOOLEAN:
1261 case DATA_TYPE_DOUBLE:
1262 case DATA_TYPE_UNKNOWN:
1263 default:
1264 /*
1265 * unknown/unsupported data type
1266 */
1267 return (-1); /* error fail match */
1268 }
1269
1270 /*
1271 * check to see if sscanf failed conversion, return approximate
1272 * pointer to problem
1273 */
1274 if (sr != 1) {
1275 if (ep)
1276 *ep = value;
1277 return (-1); /* error fail match - syntax */
1278 }
1279
1280 return (0); /* fail match */
1281 }
1282
1283 int
1284 nvpair_value_match(nvpair_t *nvp, int ai, char *value, char **ep)
1285 {
1286 return (nvpair_value_match_regex(nvp, ai, value, NULL, ep));
1287 }
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