| 1 | /* $NetBSD: ppath.c,v 1.4 2012/12/29 20:08:23 christos Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2011 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by David Young <dyoung@NetBSD.org>. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <sys/cdefs.h> |
| 33 | __RCSID("$NetBSD: ppath.c,v 1.4 2012/12/29 20:08:23 christos Exp $" ); |
| 34 | |
| 35 | #ifdef _KERNEL |
| 36 | #include <sys/systm.h> |
| 37 | #endif |
| 38 | #include <ppath/ppath.h> |
| 39 | #include <ppath/ppath_impl.h> |
| 40 | |
| 41 | enum _ppath_type { |
| 42 | PPATH_T_IDX = 0 |
| 43 | , PPATH_T_KEY = 1 |
| 44 | }; |
| 45 | |
| 46 | typedef enum _ppath_type ppath_type_t; |
| 47 | |
| 48 | struct _ppath_component { |
| 49 | unsigned int pc_refcnt; |
| 50 | ppath_type_t pc_type; |
| 51 | union { |
| 52 | char *u_key; |
| 53 | unsigned int u_idx; |
| 54 | } pc_u; |
| 55 | #define pc_key pc_u.u_key |
| 56 | #define pc_idx pc_u.u_idx |
| 57 | }; |
| 58 | |
| 59 | struct _ppath { |
| 60 | unsigned int p_refcnt; |
| 61 | unsigned int p_len; |
| 62 | ppath_component_t *p_cmpt[PPATH_MAX_COMPONENTS]; |
| 63 | }; |
| 64 | |
| 65 | static int ppath_copydel_object_of_type(prop_object_t, prop_object_t *, |
| 66 | const ppath_t *, prop_type_t); |
| 67 | static int ppath_copyset_object_helper(prop_object_t, prop_object_t *, |
| 68 | const ppath_t *, const prop_object_t); |
| 69 | |
| 70 | static void |
| 71 | ppath_strfree(char *s) |
| 72 | { |
| 73 | size_t size = strlen(s) + 1; |
| 74 | |
| 75 | ppath_free(s, size); |
| 76 | } |
| 77 | |
| 78 | static char * |
| 79 | ppath_strdup(const char *s) |
| 80 | { |
| 81 | size_t size = strlen(s) + 1; |
| 82 | char *p; |
| 83 | |
| 84 | if ((p = ppath_alloc(size)) == NULL) |
| 85 | return NULL; |
| 86 | |
| 87 | return strcpy(p, s); |
| 88 | } |
| 89 | |
| 90 | int |
| 91 | ppath_component_idx(const ppath_component_t *pc) |
| 92 | { |
| 93 | if (pc->pc_type != PPATH_T_IDX) |
| 94 | return -1; |
| 95 | return pc->pc_idx; |
| 96 | } |
| 97 | |
| 98 | const char * |
| 99 | ppath_component_key(const ppath_component_t *pc) |
| 100 | { |
| 101 | if (pc->pc_type != PPATH_T_KEY) |
| 102 | return NULL; |
| 103 | return pc->pc_key; |
| 104 | } |
| 105 | |
| 106 | ppath_component_t * |
| 107 | ppath_idx(unsigned int idx) |
| 108 | { |
| 109 | ppath_component_t *pc; |
| 110 | |
| 111 | if ((pc = ppath_alloc(sizeof(*pc))) == NULL) |
| 112 | return NULL; |
| 113 | pc->pc_idx = idx; |
| 114 | pc->pc_type = PPATH_T_IDX; |
| 115 | pc->pc_refcnt = 1; |
| 116 | ppath_component_extant_inc(); |
| 117 | return pc; |
| 118 | } |
| 119 | |
| 120 | ppath_component_t * |
| 121 | ppath_key(const char *key) |
| 122 | { |
| 123 | ppath_component_t *pc; |
| 124 | |
| 125 | if ((pc = ppath_alloc(sizeof(*pc))) == NULL) |
| 126 | return NULL; |
| 127 | |
| 128 | if ((pc->pc_key = ppath_strdup(key)) == NULL) { |
| 129 | ppath_free(pc, sizeof(*pc)); |
| 130 | return NULL; |
| 131 | } |
| 132 | pc->pc_type = PPATH_T_KEY; |
| 133 | pc->pc_refcnt = 1; |
| 134 | ppath_component_extant_inc(); |
| 135 | return pc; |
| 136 | } |
| 137 | |
| 138 | ppath_component_t * |
| 139 | ppath_component_retain(ppath_component_t *pc) |
| 140 | { |
| 141 | ppath_assert(pc->pc_refcnt != 0); |
| 142 | pc->pc_refcnt++; |
| 143 | |
| 144 | return pc; |
| 145 | } |
| 146 | |
| 147 | void |
| 148 | ppath_component_release(ppath_component_t *pc) |
| 149 | { |
| 150 | ppath_assert(pc->pc_refcnt != 0); |
| 151 | |
| 152 | if (--pc->pc_refcnt != 0) |
| 153 | return; |
| 154 | if (pc->pc_type == PPATH_T_KEY) |
| 155 | ppath_strfree(pc->pc_key); |
| 156 | ppath_component_extant_dec(); |
| 157 | ppath_free(pc, sizeof(*pc)); |
| 158 | } |
| 159 | |
| 160 | ppath_t * |
| 161 | ppath_create(void) |
| 162 | { |
| 163 | ppath_t *p; |
| 164 | |
| 165 | if ((p = ppath_alloc(sizeof(*p))) == NULL) |
| 166 | return NULL; |
| 167 | |
| 168 | p->p_refcnt = 1; |
| 169 | ppath_extant_inc(); |
| 170 | |
| 171 | return p; |
| 172 | } |
| 173 | |
| 174 | ppath_t * |
| 175 | ppath_pop(ppath_t *p, ppath_component_t **pcp) |
| 176 | { |
| 177 | ppath_component_t *pc; |
| 178 | |
| 179 | if (p == NULL || p->p_len == 0) |
| 180 | return NULL; |
| 181 | |
| 182 | pc = p->p_cmpt[--p->p_len]; |
| 183 | |
| 184 | if (pcp != NULL) |
| 185 | *pcp = pc; |
| 186 | else |
| 187 | ppath_component_release(pc); |
| 188 | |
| 189 | return p; |
| 190 | } |
| 191 | |
| 192 | ppath_t * |
| 193 | ppath_push(ppath_t *p, ppath_component_t *pc) |
| 194 | { |
| 195 | if (p == NULL || p->p_len == __arraycount(p->p_cmpt)) |
| 196 | return NULL; |
| 197 | |
| 198 | p->p_cmpt[p->p_len++] = ppath_component_retain(pc); |
| 199 | |
| 200 | return p; |
| 201 | } |
| 202 | |
| 203 | ppath_component_t * |
| 204 | ppath_component_at(const ppath_t *p, unsigned int i) |
| 205 | { |
| 206 | ppath_component_t *pc; |
| 207 | |
| 208 | if (p == NULL || i >= p->p_len) |
| 209 | return NULL; |
| 210 | |
| 211 | pc = p->p_cmpt[i]; |
| 212 | |
| 213 | return ppath_component_retain(pc); |
| 214 | } |
| 215 | |
| 216 | unsigned int |
| 217 | ppath_length(const ppath_t *p) |
| 218 | { |
| 219 | return p->p_len; |
| 220 | } |
| 221 | |
| 222 | ppath_t * |
| 223 | ppath_subpath(const ppath_t *p, unsigned int first, unsigned int exclast) |
| 224 | { |
| 225 | unsigned int i; |
| 226 | ppath_t *np; |
| 227 | ppath_component_t *pc; |
| 228 | |
| 229 | if (p == NULL || (np = ppath_create()) == NULL) |
| 230 | return NULL; |
| 231 | |
| 232 | for (i = first; i < exclast; i++) { |
| 233 | if ((pc = ppath_component_at(p, i)) == NULL) |
| 234 | break; |
| 235 | ppath_push(np, pc); |
| 236 | ppath_component_release(pc); |
| 237 | } |
| 238 | return np; |
| 239 | } |
| 240 | |
| 241 | ppath_t * |
| 242 | ppath_push_idx(ppath_t *p0, unsigned int idx) |
| 243 | { |
| 244 | ppath_component_t *pc; |
| 245 | ppath_t *p; |
| 246 | |
| 247 | if ((pc = ppath_idx(idx)) == NULL) |
| 248 | return NULL; |
| 249 | |
| 250 | p = ppath_push(p0, pc); |
| 251 | ppath_component_release(pc); |
| 252 | return p; |
| 253 | } |
| 254 | |
| 255 | ppath_t * |
| 256 | ppath_push_key(ppath_t *p0, const char *key) |
| 257 | { |
| 258 | ppath_component_t *pc; |
| 259 | ppath_t *p; |
| 260 | |
| 261 | if ((pc = ppath_key(key)) == NULL) |
| 262 | return NULL; |
| 263 | |
| 264 | p = ppath_push(p0, pc); |
| 265 | ppath_component_release(pc); |
| 266 | return p; |
| 267 | } |
| 268 | |
| 269 | ppath_t * |
| 270 | ppath_replace_idx(ppath_t *p, unsigned int idx) |
| 271 | { |
| 272 | ppath_component_t *pc0, *pc; |
| 273 | |
| 274 | if (p == NULL || p->p_len == 0) |
| 275 | return NULL; |
| 276 | |
| 277 | pc0 = p->p_cmpt[p->p_len - 1]; |
| 278 | |
| 279 | if (pc0->pc_type != PPATH_T_IDX) |
| 280 | return NULL; |
| 281 | |
| 282 | if ((pc = ppath_idx(idx)) == NULL) |
| 283 | return NULL; |
| 284 | |
| 285 | p->p_cmpt[p->p_len - 1] = pc; |
| 286 | ppath_component_release(pc0); |
| 287 | |
| 288 | return p; |
| 289 | } |
| 290 | |
| 291 | ppath_t * |
| 292 | ppath_replace_key(ppath_t *p, const char *key) |
| 293 | { |
| 294 | ppath_component_t *pc0, *pc; |
| 295 | |
| 296 | if (p == NULL || p->p_len == 0) |
| 297 | return NULL; |
| 298 | |
| 299 | pc0 = p->p_cmpt[p->p_len - 1]; |
| 300 | |
| 301 | if (pc0->pc_type != PPATH_T_KEY) |
| 302 | return NULL; |
| 303 | |
| 304 | if ((pc = ppath_key(key)) == NULL) |
| 305 | return NULL; |
| 306 | |
| 307 | p->p_cmpt[p->p_len - 1] = pc; |
| 308 | ppath_component_release(pc0); |
| 309 | |
| 310 | return p; |
| 311 | } |
| 312 | |
| 313 | ppath_t * |
| 314 | ppath_copy(const ppath_t *p0) |
| 315 | { |
| 316 | ppath_t *p; |
| 317 | unsigned int i; |
| 318 | |
| 319 | if ((p = ppath_create()) == NULL) |
| 320 | return NULL; |
| 321 | |
| 322 | for (i = 0; i < p0->p_len; i++) |
| 323 | p->p_cmpt[i] = ppath_component_retain(p0->p_cmpt[i]); |
| 324 | p->p_len = p0->p_len; |
| 325 | return p; |
| 326 | } |
| 327 | |
| 328 | ppath_t * |
| 329 | ppath_retain(ppath_t *p) |
| 330 | { |
| 331 | assert(p->p_refcnt != 0); |
| 332 | |
| 333 | p->p_refcnt++; |
| 334 | |
| 335 | return p; |
| 336 | } |
| 337 | |
| 338 | void |
| 339 | ppath_release(ppath_t *p) |
| 340 | { |
| 341 | unsigned int i; |
| 342 | |
| 343 | assert(p->p_refcnt != 0); |
| 344 | |
| 345 | if (--p->p_refcnt != 0) |
| 346 | return; |
| 347 | |
| 348 | for (i = 0; i < p->p_len; i++) |
| 349 | ppath_component_release(p->p_cmpt[i]); |
| 350 | |
| 351 | ppath_extant_dec(); |
| 352 | ppath_free(p, sizeof(*p)); |
| 353 | } |
| 354 | |
| 355 | static prop_object_t |
| 356 | ppath_lookup_helper(prop_object_t o0, const ppath_t *p, prop_object_t *pop, |
| 357 | ppath_component_t **pcp, unsigned int *ip) |
| 358 | { |
| 359 | unsigned int i; |
| 360 | prop_object_t o, po; |
| 361 | ppath_type_t t; |
| 362 | ppath_component_t *pc = NULL; |
| 363 | |
| 364 | for (po = NULL, o = o0, i = 0; i < p->p_len && o != NULL; i++) { |
| 365 | pc = p->p_cmpt[i]; |
| 366 | t = pc->pc_type; |
| 367 | switch (prop_object_type(o)) { |
| 368 | case PROP_TYPE_ARRAY: |
| 369 | po = o; |
| 370 | o = (t == PPATH_T_IDX) |
| 371 | ? prop_array_get(o, pc->pc_idx) |
| 372 | : NULL; |
| 373 | break; |
| 374 | case PROP_TYPE_DICTIONARY: |
| 375 | po = o; |
| 376 | o = (t == PPATH_T_KEY) |
| 377 | ? prop_dictionary_get(o, pc->pc_key) |
| 378 | : NULL; |
| 379 | break; |
| 380 | default: |
| 381 | o = NULL; |
| 382 | break; |
| 383 | } |
| 384 | } |
| 385 | if (pop != NULL) |
| 386 | *pop = po; |
| 387 | if (pcp != NULL) |
| 388 | *pcp = pc; |
| 389 | if (ip != NULL) |
| 390 | *ip = i; |
| 391 | return o; |
| 392 | } |
| 393 | |
| 394 | prop_object_t |
| 395 | ppath_lookup(prop_object_t o, const ppath_t *p) |
| 396 | { |
| 397 | return ppath_lookup_helper(o, p, NULL, NULL, NULL); |
| 398 | } |
| 399 | |
| 400 | static int |
| 401 | ppath_create_object_and_release(prop_object_t o, const ppath_t *p, |
| 402 | prop_object_t v) |
| 403 | { |
| 404 | int rc; |
| 405 | |
| 406 | rc = ppath_create_object(o, p, v); |
| 407 | prop_object_release(v); |
| 408 | return rc; |
| 409 | } |
| 410 | |
| 411 | int |
| 412 | ppath_create_string(prop_object_t o, const ppath_t *p, const char *s) |
| 413 | { |
| 414 | return ppath_create_object_and_release(o, p, |
| 415 | prop_string_create_cstring(s)); |
| 416 | } |
| 417 | |
| 418 | int |
| 419 | ppath_create_data(prop_object_t o, const ppath_t *p, |
| 420 | const void *data, size_t size) |
| 421 | { |
| 422 | return ppath_create_object_and_release(o, p, |
| 423 | prop_data_create_data(data, size)); |
| 424 | } |
| 425 | |
| 426 | int |
| 427 | ppath_create_uint64(prop_object_t o, const ppath_t *p, uint64_t u) |
| 428 | { |
| 429 | return ppath_create_object_and_release(o, p, |
| 430 | prop_number_create_unsigned_integer(u)); |
| 431 | } |
| 432 | |
| 433 | int |
| 434 | ppath_create_int64(prop_object_t o, const ppath_t *p, int64_t i) |
| 435 | { |
| 436 | return ppath_create_object_and_release(o, p, |
| 437 | prop_number_create_integer(i)); |
| 438 | } |
| 439 | |
| 440 | int |
| 441 | ppath_create_bool(prop_object_t o, const ppath_t *p, bool b) |
| 442 | { |
| 443 | return ppath_create_object_and_release(o, p, prop_bool_create(b)); |
| 444 | } |
| 445 | |
| 446 | int |
| 447 | ppath_create_object(prop_object_t o, const ppath_t *p, prop_object_t v) |
| 448 | { |
| 449 | unsigned int i; |
| 450 | ppath_component_t *pc; |
| 451 | prop_object_t po; |
| 452 | |
| 453 | if (ppath_lookup_helper(o, p, &po, &pc, &i) != NULL) |
| 454 | return EEXIST; |
| 455 | |
| 456 | if (i != ppath_length(p)) |
| 457 | return ENOENT; |
| 458 | |
| 459 | switch (pc->pc_type) { |
| 460 | case PPATH_T_IDX: |
| 461 | return prop_array_set(po, pc->pc_idx, v) ? 0 : ENOMEM; |
| 462 | case PPATH_T_KEY: |
| 463 | return prop_dictionary_set(po, pc->pc_key, v) ? 0 : ENOMEM; |
| 464 | default: |
| 465 | return ENOENT; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | int |
| 470 | ppath_set_object(prop_object_t o, const ppath_t *p, prop_object_t v) |
| 471 | { |
| 472 | ppath_component_t *pc; |
| 473 | prop_object_t po; |
| 474 | |
| 475 | if (ppath_lookup_helper(o, p, &po, &pc, NULL) == NULL) |
| 476 | return ENOENT; |
| 477 | |
| 478 | switch (pc->pc_type) { |
| 479 | case PPATH_T_IDX: |
| 480 | return prop_array_set(po, pc->pc_idx, v) ? 0 : ENOMEM; |
| 481 | case PPATH_T_KEY: |
| 482 | return prop_dictionary_set(po, pc->pc_key, v) ? 0 : ENOMEM; |
| 483 | default: |
| 484 | return ENOENT; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | static int |
| 489 | ppath_set_object_and_release(prop_object_t o, const ppath_t *p, prop_object_t v) |
| 490 | { |
| 491 | prop_object_t ov; |
| 492 | int rc; |
| 493 | |
| 494 | if (v == NULL) |
| 495 | return ENOMEM; |
| 496 | |
| 497 | if ((ov = ppath_lookup_helper(o, p, NULL, NULL, NULL)) == NULL) |
| 498 | return ENOENT; |
| 499 | |
| 500 | if (prop_object_type(ov) != prop_object_type(v)) |
| 501 | return EFTYPE; |
| 502 | |
| 503 | rc = ppath_set_object(o, p, v); |
| 504 | prop_object_release(v); |
| 505 | return rc; |
| 506 | } |
| 507 | |
| 508 | int |
| 509 | ppath_get_object(prop_object_t o, const ppath_t *p, prop_object_t *vp) |
| 510 | { |
| 511 | prop_object_t v; |
| 512 | |
| 513 | if ((v = ppath_lookup_helper(o, p, NULL, NULL, NULL)) == NULL) |
| 514 | return ENOENT; |
| 515 | |
| 516 | if (vp != NULL) |
| 517 | *vp = v; |
| 518 | return 0; |
| 519 | } |
| 520 | |
| 521 | static int |
| 522 | ppath_get_object_of_type(prop_object_t o, const ppath_t *p, prop_object_t *vp, |
| 523 | prop_type_t t) |
| 524 | { |
| 525 | int rc; |
| 526 | |
| 527 | if ((rc = ppath_get_object(o, p, vp)) != 0) |
| 528 | return rc; |
| 529 | |
| 530 | return (prop_object_type(*vp) == t) ? 0 : EFTYPE; |
| 531 | } |
| 532 | |
| 533 | int |
| 534 | ppath_delete_object(prop_object_t o, const ppath_t *p) |
| 535 | { |
| 536 | ppath_component_t *pc; |
| 537 | prop_object_t po; |
| 538 | |
| 539 | if (ppath_lookup_helper(o, p, &po, &pc, NULL) == NULL) |
| 540 | return ENOENT; |
| 541 | |
| 542 | switch (pc->pc_type) { |
| 543 | case PPATH_T_IDX: |
| 544 | prop_array_remove(po, pc->pc_idx); |
| 545 | return 0; |
| 546 | case PPATH_T_KEY: |
| 547 | prop_dictionary_remove(po, pc->pc_key); |
| 548 | return 0; |
| 549 | default: |
| 550 | return ENOENT; |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | static int |
| 555 | ppath_delete_object_of_type(prop_object_t o, const ppath_t *p, prop_type_t t) |
| 556 | { |
| 557 | prop_object_t v; |
| 558 | |
| 559 | if ((v = ppath_lookup_helper(o, p, NULL, NULL, NULL)) == NULL) |
| 560 | return ENOENT; |
| 561 | |
| 562 | if (prop_object_type(v) != t) |
| 563 | return EFTYPE; |
| 564 | |
| 565 | return ppath_delete_object(o, p); |
| 566 | } |
| 567 | |
| 568 | int |
| 569 | ppath_copydel_string(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 570 | { |
| 571 | return ppath_copydel_object_of_type(o, op, p, PROP_TYPE_STRING); |
| 572 | } |
| 573 | |
| 574 | int |
| 575 | ppath_copydel_data(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 576 | { |
| 577 | return ppath_copydel_object_of_type(o, op, p, PROP_TYPE_DATA); |
| 578 | } |
| 579 | |
| 580 | int |
| 581 | ppath_copydel_uint64(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 582 | { |
| 583 | return ppath_copydel_object_of_type(o, op, p, PROP_TYPE_NUMBER); |
| 584 | } |
| 585 | |
| 586 | int |
| 587 | ppath_copydel_int64(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 588 | { |
| 589 | return ppath_copydel_object_of_type(o, op, p, PROP_TYPE_NUMBER); |
| 590 | } |
| 591 | |
| 592 | int |
| 593 | ppath_copydel_bool(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 594 | { |
| 595 | return ppath_copydel_object_of_type(o, op, p, PROP_TYPE_BOOL); |
| 596 | } |
| 597 | |
| 598 | static int |
| 599 | ppath_copydel_object_of_type(prop_object_t o, prop_object_t *op, |
| 600 | const ppath_t *p, prop_type_t t) |
| 601 | { |
| 602 | prop_object_t v; |
| 603 | |
| 604 | if ((v = ppath_lookup_helper(o, p, NULL, NULL, NULL)) == NULL) |
| 605 | return ENOENT; |
| 606 | |
| 607 | if (prop_object_type(v) != t) |
| 608 | return EFTYPE; |
| 609 | |
| 610 | return ppath_copydel_object(o, op, p); |
| 611 | } |
| 612 | |
| 613 | int |
| 614 | ppath_copydel_object(prop_object_t o, prop_object_t *op, const ppath_t *p) |
| 615 | { |
| 616 | return ppath_copyset_object_helper(o, op, p, NULL); |
| 617 | } |
| 618 | |
| 619 | int |
| 620 | ppath_copyset_object(prop_object_t o, prop_object_t *op, const ppath_t *p, |
| 621 | const prop_object_t v) |
| 622 | { |
| 623 | ppath_assert(v != NULL); |
| 624 | return ppath_copyset_object_helper(o, op, p, v); |
| 625 | } |
| 626 | |
| 627 | static int |
| 628 | ppath_copyset_object_helper(prop_object_t o, prop_object_t *op, |
| 629 | const ppath_t *p0, const prop_object_t v0) |
| 630 | { |
| 631 | bool copy, success; |
| 632 | ppath_component_t *npc, *pc; |
| 633 | ppath_t *cp, *p; |
| 634 | prop_object_t npo = NULL, po, v; |
| 635 | |
| 636 | for (cp = p = ppath_copy(p0), v = v0; |
| 637 | p != NULL; |
| 638 | p = ppath_pop(p, NULL), v = npo) { |
| 639 | |
| 640 | if (ppath_lookup_helper(o, p, &po, &pc, NULL) == NULL) |
| 641 | return ENOENT; |
| 642 | |
| 643 | if (pc == NULL) |
| 644 | break; |
| 645 | |
| 646 | if (ppath_lookup_helper(*op, p, &npo, &npc, NULL) == NULL) |
| 647 | npo = po; |
| 648 | |
| 649 | copy = (npo == po); |
| 650 | |
| 651 | switch (pc->pc_type) { |
| 652 | case PPATH_T_IDX: |
| 653 | if (copy && (npo = prop_array_copy_mutable(po)) == NULL) |
| 654 | return ENOMEM; |
| 655 | success = (v == NULL) |
| 656 | ? (prop_array_remove(npo, pc->pc_idx), true) |
| 657 | : prop_array_set(npo, pc->pc_idx, v); |
| 658 | break; |
| 659 | case PPATH_T_KEY: |
| 660 | if (copy && |
| 661 | (npo = prop_dictionary_copy_mutable(po)) == NULL) |
| 662 | return ENOMEM; |
| 663 | success = (v == NULL) |
| 664 | ? (prop_dictionary_remove(npo, pc->pc_key), true) |
| 665 | : prop_dictionary_set(npo, pc->pc_key, v); |
| 666 | break; |
| 667 | default: |
| 668 | return ENOENT; |
| 669 | } |
| 670 | if (!success) { |
| 671 | if (copy) |
| 672 | prop_object_release(npo); |
| 673 | return ENOMEM; |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | if (cp == NULL) |
| 678 | return ENOMEM; |
| 679 | |
| 680 | ppath_release(cp); |
| 681 | |
| 682 | if (op != NULL && npo != NULL) |
| 683 | *op = npo; |
| 684 | else if (npo != NULL) |
| 685 | prop_object_release(npo); |
| 686 | |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | static int |
| 691 | ppath_copyset_object_and_release(prop_object_t o, prop_object_t *op, |
| 692 | const ppath_t *p, prop_object_t v) |
| 693 | { |
| 694 | prop_object_t ov; |
| 695 | int rc; |
| 696 | |
| 697 | if (v == NULL) |
| 698 | return ENOMEM; |
| 699 | |
| 700 | if ((ov = ppath_lookup_helper(o, p, NULL, NULL, NULL)) == NULL) |
| 701 | return ENOENT; |
| 702 | |
| 703 | if (prop_object_type(ov) != prop_object_type(v)) |
| 704 | return EFTYPE; |
| 705 | |
| 706 | rc = ppath_copyset_object(o, op, p, v); |
| 707 | prop_object_release(v); |
| 708 | return rc; |
| 709 | } |
| 710 | |
| 711 | int |
| 712 | ppath_copyset_bool(prop_object_t o, prop_object_t *op, const ppath_t *p, bool b) |
| 713 | { |
| 714 | return ppath_copyset_object_and_release(o, op, p, prop_bool_create(b)); |
| 715 | } |
| 716 | |
| 717 | int |
| 718 | ppath_set_bool(prop_object_t o, const ppath_t *p, bool b) |
| 719 | { |
| 720 | return ppath_set_object_and_release(o, p, prop_bool_create(b)); |
| 721 | } |
| 722 | |
| 723 | int |
| 724 | ppath_get_bool(prop_object_t o, const ppath_t *p, bool *bp) |
| 725 | { |
| 726 | prop_object_t v; |
| 727 | int rc; |
| 728 | |
| 729 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_BOOL)) != 0) |
| 730 | return rc; |
| 731 | |
| 732 | if (bp != NULL) |
| 733 | *bp = prop_bool_true(v); |
| 734 | |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | int |
| 739 | ppath_delete_bool(prop_object_t o, const ppath_t *p) |
| 740 | { |
| 741 | return ppath_delete_object_of_type(o, p, PROP_TYPE_BOOL); |
| 742 | } |
| 743 | |
| 744 | int |
| 745 | ppath_copyset_data(prop_object_t o, prop_object_t *op, const ppath_t *p, |
| 746 | const void *data, size_t size) |
| 747 | { |
| 748 | return ppath_copyset_object_and_release(o, op, p, |
| 749 | prop_data_create_data(data, size)); |
| 750 | } |
| 751 | |
| 752 | int |
| 753 | ppath_set_data(prop_object_t o, const ppath_t *p, const void *data, size_t size) |
| 754 | { |
| 755 | return ppath_set_object_and_release(o, p, |
| 756 | prop_data_create_data(data, size)); |
| 757 | } |
| 758 | |
| 759 | int |
| 760 | ppath_get_data(prop_object_t o, const ppath_t *p, const void **datap, |
| 761 | size_t *sizep) |
| 762 | { |
| 763 | prop_object_t v; |
| 764 | int rc; |
| 765 | |
| 766 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_DATA)) != 0) |
| 767 | return rc; |
| 768 | |
| 769 | if (datap != NULL) |
| 770 | *datap = prop_data_data_nocopy(v); |
| 771 | if (sizep != NULL) |
| 772 | *sizep = prop_data_size(v); |
| 773 | |
| 774 | return 0; |
| 775 | } |
| 776 | |
| 777 | int |
| 778 | ppath_dup_data(prop_object_t o, const ppath_t *p, void **datap, size_t *sizep) |
| 779 | { |
| 780 | prop_object_t v; |
| 781 | int rc; |
| 782 | |
| 783 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_DATA)) != 0) |
| 784 | return rc; |
| 785 | |
| 786 | if (datap != NULL) |
| 787 | *datap = prop_data_data(v); |
| 788 | if (sizep != NULL) |
| 789 | *sizep = prop_data_size(v); |
| 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | int |
| 795 | ppath_delete_data(prop_object_t o, const ppath_t *p) |
| 796 | { |
| 797 | return ppath_delete_object_of_type(o, p, PROP_TYPE_DATA); |
| 798 | } |
| 799 | |
| 800 | int |
| 801 | ppath_copyset_int64(prop_object_t o, prop_object_t *op, const ppath_t *p, |
| 802 | int64_t i) |
| 803 | { |
| 804 | return ppath_copyset_object_and_release(o, op, p, |
| 805 | prop_number_create_integer(i)); |
| 806 | } |
| 807 | |
| 808 | int |
| 809 | ppath_set_int64(prop_object_t o, const ppath_t *p, int64_t i) |
| 810 | { |
| 811 | return ppath_set_object_and_release(o, p, |
| 812 | prop_number_create_integer(i)); |
| 813 | } |
| 814 | |
| 815 | int |
| 816 | ppath_get_int64(prop_object_t o, const ppath_t *p, int64_t *ip) |
| 817 | { |
| 818 | prop_object_t v; |
| 819 | int rc; |
| 820 | |
| 821 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_DATA)) != 0) |
| 822 | return rc; |
| 823 | |
| 824 | if (prop_number_unsigned(v)) |
| 825 | return EFTYPE; |
| 826 | |
| 827 | if (ip != NULL) |
| 828 | *ip = prop_number_integer_value(v); |
| 829 | |
| 830 | return 0; |
| 831 | } |
| 832 | |
| 833 | int |
| 834 | ppath_delete_int64(prop_object_t o, const ppath_t *p) |
| 835 | { |
| 836 | return ppath_delete_object_of_type(o, p, PROP_TYPE_NUMBER); |
| 837 | } |
| 838 | |
| 839 | int |
| 840 | ppath_copyset_string(prop_object_t o, prop_object_t *op, const ppath_t *p, |
| 841 | const char *s) |
| 842 | { |
| 843 | return ppath_copyset_object_and_release(o, op, p, |
| 844 | prop_string_create_cstring(s)); |
| 845 | } |
| 846 | |
| 847 | int |
| 848 | ppath_set_string(prop_object_t o, const ppath_t *p, const char *s) |
| 849 | { |
| 850 | return ppath_set_object_and_release(o, p, |
| 851 | prop_string_create_cstring(s)); |
| 852 | } |
| 853 | |
| 854 | int |
| 855 | ppath_get_string(prop_object_t o, const ppath_t *p, const char **sp) |
| 856 | { |
| 857 | int rc; |
| 858 | prop_object_t v; |
| 859 | |
| 860 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_STRING)) != 0) |
| 861 | return rc; |
| 862 | |
| 863 | if (sp != NULL) |
| 864 | *sp = prop_string_cstring_nocopy(v); |
| 865 | |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | int |
| 870 | ppath_dup_string(prop_object_t o, const ppath_t *p, char **sp) |
| 871 | { |
| 872 | int rc; |
| 873 | prop_object_t v; |
| 874 | |
| 875 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_STRING)) != 0) |
| 876 | return rc; |
| 877 | |
| 878 | if (sp != NULL) |
| 879 | *sp = prop_string_cstring(v); |
| 880 | |
| 881 | return 0; |
| 882 | } |
| 883 | |
| 884 | int |
| 885 | ppath_delete_string(prop_object_t o, const ppath_t *p) |
| 886 | { |
| 887 | return ppath_delete_object_of_type(o, p, PROP_TYPE_STRING); |
| 888 | } |
| 889 | |
| 890 | int |
| 891 | ppath_copyset_uint64(prop_object_t o, prop_object_t *op, const ppath_t *p, |
| 892 | uint64_t u) |
| 893 | { |
| 894 | return ppath_copyset_object_and_release(o, op, p, |
| 895 | prop_number_create_unsigned_integer(u)); |
| 896 | } |
| 897 | |
| 898 | int |
| 899 | ppath_set_uint64(prop_object_t o, const ppath_t *p, uint64_t u) |
| 900 | { |
| 901 | return ppath_set_object_and_release(o, p, |
| 902 | prop_number_create_unsigned_integer(u)); |
| 903 | } |
| 904 | |
| 905 | int |
| 906 | ppath_get_uint64(prop_object_t o, const ppath_t *p, uint64_t *up) |
| 907 | { |
| 908 | prop_object_t v; |
| 909 | int rc; |
| 910 | |
| 911 | if ((rc = ppath_get_object_of_type(o, p, &v, PROP_TYPE_DATA)) != 0) |
| 912 | return rc; |
| 913 | |
| 914 | if (!prop_number_unsigned(v)) |
| 915 | return EFTYPE; |
| 916 | |
| 917 | if (up != NULL) |
| 918 | *up = prop_number_unsigned_integer_value(v); |
| 919 | |
| 920 | return 0; |
| 921 | } |
| 922 | |
| 923 | int |
| 924 | ppath_delete_uint64(prop_object_t o, const ppath_t *p) |
| 925 | { |
| 926 | return ppath_delete_object_of_type(o, p, PROP_TYPE_NUMBER); |
| 927 | } |
| 928 | |