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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.46 by root, Sun Dec 14 05:57:22 2014 UTC vs.
Revision 1.71 by root, Fri Mar 19 17:30:27 2021 UTC

6#include <string.h> 6#include <string.h>
7#include <stdlib.h> 7#include <stdlib.h>
8#include <stdio.h> 8#include <stdio.h>
9#include <limits.h> 9#include <limits.h>
10#include <float.h> 10#include <float.h>
11#include <inttypes.h>
11 12
12#define ECB_NO_THREADS 1 13#define ECB_NO_THREADS 1
13#include "ecb.h" 14#include "ecb.h"
14 15
15// compatibility with perl <5.18 16// compatibility with perl <5.18
20# define HvNAMELEN(hv) HvNAMELEN_get (hv) 21# define HvNAMELEN(hv) HvNAMELEN_get (hv)
21#endif 22#endif
22#ifndef HvNAMEUTF8 23#ifndef HvNAMEUTF8
23# define HvNAMEUTF8(hv) 0 24# define HvNAMEUTF8(hv) 0
24#endif 25#endif
26#ifndef SvREFCNT_inc_NN
27# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
28#endif
25#ifndef SvREFCNT_dec_NN 29#ifndef SvREFCNT_dec_NN
26# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) 30# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
27#endif 31#endif
28 32
29// known major and minor types 33// known major and minor types
95 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 99 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
96 100
97 CBOR_TAG_MAGIC = 55799, // self-describe cbor 101 CBOR_TAG_MAGIC = 55799, // self-describe cbor
98}; 102};
99 103
104// known forced types, also hardcoded in CBOR.pm
105enum
106{
107 AS_CBOR = 0,
108 AS_INT = 1,
109 AS_BYTES = 2,
110 AS_TEXT = 3,
111 AS_FLOAT16 = 4,
112 AS_FLOAT32 = 5,
113 AS_FLOAT64 = 6,
114 AS_MAP = 7,
115 // possibly future enhancements: (generic) float, (generic) string
116};
117
100#define F_SHRINK 0x00000001UL 118#define F_SHRINK 0x00000001UL
101#define F_ALLOW_UNKNOWN 0x00000002UL 119#define F_ALLOW_UNKNOWN 0x00000002UL
102#define F_ALLOW_SHARING 0x00000004UL 120#define F_ALLOW_SHARING 0x00000004UL
103#define F_ALLOW_CYCLES 0x00000008UL 121#define F_ALLOW_CYCLES 0x00000008UL
122#define F_FORBID_OBJECTS 0x00000010UL
104#define F_PACK_STRINGS 0x00000010UL 123#define F_PACK_STRINGS 0x00000020UL
124#define F_TEXT_KEYS 0x00000040UL
125#define F_TEXT_STRINGS 0x00000080UL
105#define F_VALIDATE_UTF8 0x00000020UL 126#define F_VALIDATE_UTF8 0x00000100UL
106 127
107#define INIT_SIZE 32 // initial scalar size to be allocated 128#define INIT_SIZE 32 // initial scalar size to be allocated
108 129
109#define SB do { 130#define SB do {
110#define SE } while (0) 131#define SE } while (0)
180#endif 201#endif
181 } 202 }
182} 203}
183 204
184// minimum length of a string to be registered for stringref 205// minimum length of a string to be registered for stringref
185ecb_inline int 206ecb_inline STRLEN
186minimum_string_length (UV idx) 207minimum_string_length (UV idx)
187{ 208{
188 return idx > 23 209 return idx <= 23 ? 3
189 ? idx > 0xffU 210 : idx <= 0xffU ? 4
190 ? idx > 0xffffU 211 : idx <= 0xffffU ? 5
191 ? idx > 0xffffffffU 212 : idx <= 0xffffffffU ? 7
192 ? 11 213 : 11;
193 : 7
194 : 5
195 : 4
196 : 3;
197} 214}
198 215
199///////////////////////////////////////////////////////////////////////////// 216/////////////////////////////////////////////////////////////////////////////
200// encoder 217// encoder
201 218
214} enc_t; 231} enc_t;
215 232
216ecb_inline void 233ecb_inline void
217need (enc_t *enc, STRLEN len) 234need (enc_t *enc, STRLEN len)
218{ 235{
219 if (ecb_expect_false (enc->cur + len >= enc->end)) 236 if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len))
220 { 237 {
221 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); 238 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
222 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); 239 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
223 enc->cur = SvPVX (enc->sv) + cur; 240 enc->cur = SvPVX (enc->sv) + cur;
224 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; 241 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
225 } 242 }
226} 243}
227 244
245static void encode_sv (enc_t *enc, SV *sv);
246
228ecb_inline void 247ecb_inline void
229encode_ch (enc_t *enc, char ch) 248encode_ch (enc_t *enc, char ch)
230{ 249{
231 need (enc, 1); 250 need (enc, 1);
232 *enc->cur++ = ch; 251 *enc->cur++ = ch;
233} 252}
234 253
254// used for tags, intregers, element counts and so on
235static void 255static void
236encode_uint (enc_t *enc, int major, UV len) 256encode_uint (enc_t *enc, int major, UV len)
237{ 257{
238 need (enc, 9); 258 need (enc, 9);
239 259
270 *enc->cur++ = len >> 8; 290 *enc->cur++ = len >> 8;
271 *enc->cur++ = len; 291 *enc->cur++ = len;
272 } 292 }
273} 293}
274 294
295// encodes a perl value into a CBOR integer
296ecb_inline void
297encode_int (enc_t *enc, SV *sv)
298{
299 if (SvIsUV (sv))
300 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
301 else if (SvIVX (sv) >= 0)
302 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
303 else
304 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
305}
306
275ecb_inline void 307ecb_inline void
276encode_tag (enc_t *enc, UV tag) 308encode_tag (enc_t *enc, UV tag)
277{ 309{
278 encode_uint (enc, MAJOR_TAG, tag); 310 encode_uint (enc, MAJOR_TAG, tag);
279} 311}
280 312
313// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
314ecb_noinline static void
315encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
316{
317 STRLEN ulen = len;
318 U8 *p, *pend = (U8 *)str + len;
319
320 for (p = (U8 *)str; p < pend; ++p)
321 ulen += *p >> 7; // count set high bits
322
323 encode_uint (enc, MAJOR_TEXT, ulen);
324
325 need (enc, ulen);
326 for (p = (U8 *)str; p < pend; ++p)
327 if (*p < 0x80)
328 *enc->cur++ = *p;
329 else
330 {
331 *enc->cur++ = 0xc0 + (*p >> 6);
332 *enc->cur++ = 0x80 + (*p & 63);
333 }
334}
335
281ecb_inline void 336ecb_inline void
282encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 337encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
283{ 338{
339 if (ecb_expect_false (upgrade_utf8))
340 if (!utf8)
341 {
342 encode_str_utf8 (enc, utf8, str, len);
343 return;
344 }
345
284 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); 346 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
285 need (enc, len); 347 need (enc, len);
286 memcpy (enc->cur, str, len); 348 memcpy (enc->cur, str, len);
287 enc->cur += len; 349 enc->cur += len;
288} 350}
289 351
290static void 352ecb_inline void
291encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) 353encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
292{ 354{
293 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) 355 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
294 { 356 {
295 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); 357 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
296 358
307 sv_setuv (*svp, enc->stringref_idx); 369 sv_setuv (*svp, enc->stringref_idx);
308 ++enc->stringref_idx; 370 ++enc->stringref_idx;
309 } 371 }
310 } 372 }
311 373
312 encode_str (enc, utf8, str, len); 374 encode_str (enc, upgrade_utf8, utf8, str, len);
313} 375}
314 376
315static void encode_sv (enc_t *enc, SV *sv); 377ecb_inline void
378encode_float16 (enc_t *enc, NV nv)
379{
380 need (enc, 1+2);
381
382 *enc->cur++ = MAJOR_MISC | MISC_FLOAT16;
383
384 uint16_t fp = ecb_float_to_binary16 (nv);
385
386 if (!ecb_big_endian ())
387 fp = ecb_bswap16 (fp);
388
389 memcpy (enc->cur, &fp, 2);
390 enc->cur += 2;
391}
392
393ecb_inline void
394encode_float32 (enc_t *enc, NV nv)
395{
396 need (enc, 1+4);
397
398 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
399
400 uint32_t fp = ecb_float_to_binary32 (nv);
401
402 if (!ecb_big_endian ())
403 fp = ecb_bswap32 (fp);
404
405 memcpy (enc->cur, &fp, 4);
406 enc->cur += 4;
407}
408
409ecb_inline void
410encode_float64 (enc_t *enc, NV nv)
411{
412 need (enc, 1+8);
413
414 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
415
416 uint64_t fp = ecb_double_to_binary64 (nv);
417
418 if (!ecb_big_endian ())
419 fp = ecb_bswap64 (fp);
420
421 memcpy (enc->cur, &fp, 8);
422 enc->cur += 8;
423}
424
425ecb_inline void
426encode_bool (enc_t *enc, int istrue)
427{
428 encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE);
429}
430
431// encodes an arrayref containing key-value pairs as CBOR map
432ecb_inline void
433encode_array_as_map (enc_t *enc, SV *sv)
434{
435 if (enc->depth >= enc->cbor.max_depth)
436 croak (ERR_NESTING_EXCEEDED);
437
438 ++enc->depth;
439
440 // as_map does error checking for us, but we re-check in case
441 // things have changed.
442
443 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
444 croak ("CBOR::XS::as_map requires an array reference (did you change the array after calling as_map?)");
445
446 AV *av = (AV *)SvRV (sv);
447 int i, len = av_len (av);
448
449 if (!(len & 1))
450 croak ("CBOR::XS::as_map requires an even number of elements (did you change the array after calling as_map?)");
451
452 encode_uint (enc, MAJOR_MAP, (len + 1) >> 1);
453
454 for (i = 0; i <= len; ++i)
455 {
456 SV **svp = av_fetch (av, i, 0);
457 encode_sv (enc, svp ? *svp : &PL_sv_undef);
458 }
459
460 --enc->depth;
461}
462
463ecb_inline void
464encode_forced (enc_t *enc, UV type, SV *sv)
465{
466 switch (type)
467 {
468 case AS_CBOR:
469 {
470 STRLEN len;
471 char *str = SvPVbyte (sv, len);
472
473 need (enc, len);
474 memcpy (enc->cur, str, len);
475 enc->cur += len;
476 }
477 break;
478
479 case AS_BYTES:
480 {
481 STRLEN len;
482 char *str = SvPVbyte (sv, len);
483 encode_strref (enc, 0, 0, str, len);
484 }
485 break;
486
487 case AS_TEXT:
488 {
489 STRLEN len;
490 char *str = SvPVutf8 (sv, len);
491 encode_strref (enc, 1, 1, str, len);
492 }
493 break;
494
495 case AS_INT: encode_int (enc, sv); break;
496
497 case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break;
498 case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break;
499 case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break;
500
501 case AS_MAP: encode_array_as_map (enc, sv); break;
502
503 default:
504 croak ("encountered malformed CBOR::XS::Tagged object");
505 }
506}
316 507
317static void 508static void
318encode_av (enc_t *enc, AV *av) 509encode_av (enc_t *enc, AV *av)
319{ 510{
320 int i, len = av_len (av); 511 int i, len = av_len (av);
324 515
325 ++enc->depth; 516 ++enc->depth;
326 517
327 encode_uint (enc, MAJOR_ARRAY, len + 1); 518 encode_uint (enc, MAJOR_ARRAY, len + 1);
328 519
329 if (SvMAGICAL (av)) 520 if (ecb_expect_false (SvMAGICAL (av)))
330 for (i = 0; i <= len; ++i) 521 for (i = 0; i <= len; ++i)
331 { 522 {
332 SV **svp = av_fetch (av, i, 0); 523 SV **svp = av_fetch (av, i, 0);
333 encode_sv (enc, svp ? *svp : &PL_sv_undef); 524 encode_sv (enc, svp ? *svp : &PL_sv_undef);
334 } 525 }
353 ++enc->depth; 544 ++enc->depth;
354 545
355 int pairs = hv_iterinit (hv); 546 int pairs = hv_iterinit (hv);
356 int mg = SvMAGICAL (hv); 547 int mg = SvMAGICAL (hv);
357 548
358 if (mg) 549 if (ecb_expect_false (mg))
359 encode_ch (enc, MAJOR_MAP | MINOR_INDEF); 550 encode_ch (enc, MAJOR_MAP | MINOR_INDEF);
360 else 551 else
361 encode_uint (enc, MAJOR_MAP, pairs); 552 encode_uint (enc, MAJOR_MAP, pairs);
362 553
363 while ((he = hv_iternext (hv))) 554 while ((he = hv_iternext (hv)))
364 { 555 {
365 if (HeKLEN (he) == HEf_SVKEY) 556 if (HeKLEN (he) == HEf_SVKEY)
366 encode_sv (enc, HeSVKEY (he)); 557 encode_sv (enc, HeSVKEY (he));
367 else 558 else
368 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 559 encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
369 560
370 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 561 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
371 } 562 }
372 563
373 if (mg) 564 if (ecb_expect_false (mg))
374 encode_ch (enc, MAJOR_MISC | MINOR_INDEF); 565 encode_ch (enc, MAJOR_MISC | MINOR_INDEF);
375 566
376 --enc->depth; 567 --enc->depth;
377} 568}
378 569
398 589
399 HV *stash = SvSTASH (sv); 590 HV *stash = SvSTASH (sv);
400 591
401 if (stash == boolean_stash) 592 if (stash == boolean_stash)
402 { 593 {
403 encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); 594 encode_bool (enc, SvIV (sv));
404 return; 595 return;
405 } 596 }
406 else if (stash == error_stash) 597 else if (stash == error_stash)
407 { 598 {
408 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); 599 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
411 else if (stash == tagged_stash) 602 else if (stash == tagged_stash)
412 { 603 {
413 if (svt != SVt_PVAV) 604 if (svt != SVt_PVAV)
414 croak ("encountered CBOR::XS::Tagged object that isn't an array"); 605 croak ("encountered CBOR::XS::Tagged object that isn't an array");
415 606
607 switch (av_len ((AV *)sv))
608 {
609 case 2-1:
610 // actually a tagged value
416 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); 611 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1)));
417 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); 612 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));
613 break;
614
615 case 3-1:
616 // a forced type [value, type, undef]
617 encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1));
618 break;
619
620 default:
621 croak ("encountered malformed CBOR::XS::Tagged object");
622 }
418 623
419 return; 624 return;
420 } 625 }
421 } 626 }
422 627
423 if (ecb_expect_false (SvREFCNT (sv) > 1) 628 if (ecb_expect_false (SvREFCNT (sv) > 1)
424 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) 629 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
425 { 630 {
426 if (!enc->shareable) 631 if (ecb_expect_false (!enc->shareable))
427 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); 632 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
428 633
429 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); 634 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
430 635
431 if (SvOK (*svp)) 636 if (SvOK (*svp))
445 if (ecb_expect_false (SvOBJECT (sv))) 650 if (ecb_expect_false (SvOBJECT (sv)))
446 { 651 {
447 HV *stash = SvSTASH (sv); 652 HV *stash = SvSTASH (sv);
448 GV *method; 653 GV *method;
449 654
655 if (enc->cbor.flags & F_FORBID_OBJECTS)
656 croak ("encountered object '%s', but forbid_objects is enabled",
657 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
450 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 658 else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
451 { 659 {
452 dSP; 660 dSP;
453 661
454 ENTER; SAVETMPS; PUSHMARK (SP); 662 ENTER; SAVETMPS;
663 PUSHMARK (SP);
455 // we re-bless the reference to get overload and other niceties right 664 // we re-bless the reference to get overload and other niceties right
456 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 665 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
457 666
458 PUTBACK; 667 PUTBACK;
459 // G_SCALAR ensures that return value is 1 668 // G_SCALAR ensures that return value is 1
472 } 681 }
473 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) 682 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)
474 { 683 {
475 dSP; 684 dSP;
476 685
477 ENTER; SAVETMPS; PUSHMARK (SP); 686 ENTER; SAVETMPS;
687 PUSHMARK (SP);
478 EXTEND (SP, 2); 688 EXTEND (SP, 2);
479 // we re-bless the reference to get overload and other niceties right 689 // we re-bless the reference to get overload and other niceties right
480 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 690 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
481 PUSHs (sv_cbor); 691 PUSHs (sv_cbor);
482 692
488 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 698 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
489 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 699 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
490 700
491 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 701 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
492 encode_uint (enc, MAJOR_ARRAY, count + 1); 702 encode_uint (enc, MAJOR_ARRAY, count + 1);
493 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 703 encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
494 704
495 while (count) 705 {
706 int i;
707
708 for (i = 0; i < count; ++i)
496 encode_sv (enc, SP[1 - count--]); 709 encode_sv (enc, SP[i + 1 - count]);
710
711 SP -= count;
712 }
497 713
498 PUTBACK; 714 PUTBACK;
499 715
500 FREETMPS; LEAVE; 716 FREETMPS; LEAVE;
501 } 717 }
523 739
524 if (ecb_expect_false (nv == (NV)(U32)nv)) 740 if (ecb_expect_false (nv == (NV)(U32)nv))
525 encode_uint (enc, MAJOR_POS_INT, (U32)nv); 741 encode_uint (enc, MAJOR_POS_INT, (U32)nv);
526 //TODO: maybe I32? 742 //TODO: maybe I32?
527 else if (ecb_expect_false (nv == (float)nv)) 743 else if (ecb_expect_false (nv == (float)nv))
528 { 744 encode_float32 (enc, nv);
529 uint32_t fp = ecb_float_to_binary32 (nv);
530
531 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
532
533 if (!ecb_big_endian ())
534 fp = ecb_bswap32 (fp);
535
536 memcpy (enc->cur, &fp, 4);
537 enc->cur += 4;
538 }
539 else 745 else
540 { 746 encode_float64 (enc, nv);
541 uint64_t fp = ecb_double_to_binary64 (nv);
542
543 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
544
545 if (!ecb_big_endian ())
546 fp = ecb_bswap64 (fp);
547
548 memcpy (enc->cur, &fp, 8);
549 enc->cur += 8;
550 }
551} 747}
552 748
553static void 749static void
554encode_sv (enc_t *enc, SV *sv) 750encode_sv (enc_t *enc, SV *sv)
555{ 751{
557 753
558 if (SvPOKp (sv)) 754 if (SvPOKp (sv))
559 { 755 {
560 STRLEN len; 756 STRLEN len;
561 char *str = SvPV (sv, len); 757 char *str = SvPV (sv, len);
562 encode_strref (enc, SvUTF8 (sv), str, len); 758 encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len);
563 } 759 }
564 else if (SvNOKp (sv)) 760 else if (SvNOKp (sv))
565 encode_nv (enc, sv); 761 encode_nv (enc, sv);
566 else if (SvIOKp (sv)) 762 else if (SvIOKp (sv))
567 { 763 encode_int (enc, sv);
568 if (SvIsUV (sv))
569 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
570 else if (SvIVX (sv) >= 0)
571 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
572 else
573 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
574 }
575 else if (SvROK (sv)) 764 else if (SvROK (sv))
576 encode_rv (enc, SvRV (sv)); 765 encode_rv (enc, SvRV (sv));
577 else if (!SvOK (sv)) 766 else if (!SvOK (sv))
578 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); 767 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL);
579 else if (enc->cbor.flags & F_ALLOW_UNKNOWN) 768 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
584} 773}
585 774
586static SV * 775static SV *
587encode_cbor (SV *scalar, CBOR *cbor) 776encode_cbor (SV *scalar, CBOR *cbor)
588{ 777{
589 enc_t enc = { }; 778 enc_t enc = { 0 };
590 779
591 enc.cbor = *cbor; 780 enc.cbor = *cbor;
592 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 781 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
593 enc.cur = SvPVX (enc.sv); 782 enc.cur = SvPVX (enc.sv);
594 enc.end = SvEND (enc.sv); 783 enc.end = SvEND (enc.sv);
595 784
596 SvPOK_only (enc.sv); 785 SvPOK_only (enc.sv);
597 786
598 if (cbor->flags & F_PACK_STRINGS) 787 if (cbor->flags & F_PACK_STRINGS)
599 { 788 {
626 U32 depth; // recursion depth 815 U32 depth; // recursion depth
627 U32 maxdepth; // recursion depth limit 816 U32 maxdepth; // recursion depth limit
628 AV *shareable; 817 AV *shareable;
629 AV *stringref; 818 AV *stringref;
630 SV *decode_tagged; 819 SV *decode_tagged;
820 SV *err_sv; // optional sv for error, needs to be freed
631} dec_t; 821} dec_t;
632 822
633#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 823// set dec->err to ERRSV
824ecb_cold static void
825err_errsv (dec_t *dec)
826{
827 if (!dec->err)
828 {
829 dec->err_sv = newSVsv (ERRSV);
634 830
635#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 831 // chop off the trailing \n
832 SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1);
833 *SvEND (dec->err_sv) = 0;
636 834
835 dec->err = SvPVutf8_nolen (dec->err_sv);
836 }
837}
838
839// the following functions are used to reduce code size and help the compiler to optimise
840ecb_cold static void
841err_set (dec_t *dec, const char *reason)
842{
843 if (!dec->err)
844 dec->err = reason;
845}
846
847ecb_cold static void
848err_unexpected_end (dec_t *dec)
849{
850 err_set (dec, "unexpected end of CBOR data");
851}
852
853#define ERR_DO(do) SB do; goto fail; SE
854#define ERR(reason) ERR_DO (err_set (dec, reason))
855#define ERR_ERRSV ERR_DO (err_errsv (dec))
856
857#define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec))
858
637#define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) 859#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED)
638#define DEC_DEC_DEPTH --dec->depth 860#define DEC_DEC_DEPTH --dec->depth
639 861
640static UV 862static UV
641decode_uint (dec_t *dec) 863decode_uint (dec_t *dec)
642{ 864{
708 930
709 for (;;) 931 for (;;)
710 { 932 {
711 WANT (1); 933 WANT (1);
712 934
713 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 935 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
714 { 936 {
715 ++dec->cur; 937 ++dec->cur;
716 break; 938 break;
717 } 939 }
718 940
719 av_push (av, decode_sv (dec)); 941 av_push (av, decode_sv (dec));
720 } 942 }
721 } 943 }
722 else 944 else
723 { 945 {
724 int i, len = decode_uint (dec); 946 UV i, len = decode_uint (dec);
725 947
726 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays 948 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays
727 av_fill (av, len - 1); 949 av_fill (av, len - 1);
728 950
729 for (i = 0; i < len; ++i) 951 for (i = 0; i < len; ++i)
732 954
733 DEC_DEC_DEPTH; 955 DEC_DEC_DEPTH;
734 return newRV_noinc ((SV *)av); 956 return newRV_noinc ((SV *)av);
735 957
736fail: 958fail:
737 SvREFCNT_dec (av); 959 SvREFCNT_dec_NN (av);
738 DEC_DEC_DEPTH; 960 DEC_DEC_DEPTH;
739 return &PL_sv_undef; 961 return &PL_sv_undef;
740} 962}
741 963
742static void 964static void
746 // byte or utf-8 strings as keys, but only when !stringref 968 // byte or utf-8 strings as keys, but only when !stringref
747 969
748 if (ecb_expect_true (!dec->stringref)) 970 if (ecb_expect_true (!dec->stringref))
749 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) 971 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8))
750 { 972 {
751 I32 len = decode_uint (dec); 973 STRLEN len = decode_uint (dec);
752 char *key = (char *)dec->cur; 974 char *key = (char *)dec->cur;
753 975
976 WANT (len);
754 dec->cur += len; 977 dec->cur += len;
755 978
756 hv_store (hv, key, len, decode_sv (dec), 0); 979 hv_store (hv, key, len, decode_sv (dec), 0);
757 980
758 return; 981 return;
759 } 982 }
760 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) 983 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8))
761 { 984 {
762 I32 len = decode_uint (dec); 985 STRLEN len = decode_uint (dec);
763 char *key = (char *)dec->cur; 986 char *key = (char *)dec->cur;
764 987
988 WANT (len);
765 dec->cur += len; 989 dec->cur += len;
766 990
767 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) 991 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
768 if (!is_utf8_string (key, len)) 992 if (!is_utf8_string ((U8 *)key, len))
769 ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); 993 ERR ("corrupted CBOR data (invalid UTF-8 in map key)");
770 994
771 hv_store (hv, key, -len, decode_sv (dec), 0); 995 hv_store (hv, key, -len, decode_sv (dec), 0);
772 996
773 return; 997 return;
774 } 998 }
775 999
776 SV *k = decode_sv (dec); 1000 SV *k = decode_sv (dec);
777 SV *v = decode_sv (dec); 1001 SV *v = decode_sv (dec);
778 1002
1003 // we leak memory if uncaught exceptions are thrown by random magical
1004 // methods, and this is hopefully the only place where it can happen,
1005 // so if there is a chance of an exception, take the very slow path.
1006 // since catching exceptions is "undocumented/internal/forbidden" by
1007 // the new p5p powers, we need to call out to a perl function :/
1008 if (ecb_expect_false (SvAMAGIC (k)))
1009 {
1010 dSP;
1011
1012 ENTER; SAVETMPS;
1013 PUSHMARK (SP);
1014 EXTEND (SP, 3);
1015 PUSHs (sv_2mortal (newRV_inc ((SV *)hv)));
1016 PUSHs (sv_2mortal (k));
1017 PUSHs (sv_2mortal (v));
1018
1019 PUTBACK;
1020 call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL);
1021 SPAGAIN;
1022
1023 FREETMPS; LEAVE;
1024
1025 if (SvTRUE (ERRSV))
1026 ERR_ERRSV;
1027
1028 return;
1029 }
1030
779 hv_store_ent (hv, k, v, 0); 1031 hv_store_ent (hv, k, v, 0);
780 SvREFCNT_dec (k); 1032 SvREFCNT_dec_NN (k);
781 1033
782fail: 1034fail:
783 ; 1035 ;
784} 1036}
785 1037
796 1048
797 for (;;) 1049 for (;;)
798 { 1050 {
799 WANT (1); 1051 WANT (1);
800 1052
801 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 1053 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
802 { 1054 {
803 ++dec->cur; 1055 ++dec->cur;
804 break; 1056 break;
805 } 1057 }
806 1058
807 decode_he (dec, hv); 1059 decode_he (dec, hv);
808 } 1060 }
809 } 1061 }
810 else 1062 else
811 { 1063 {
812 int pairs = decode_uint (dec); 1064 UV pairs = decode_uint (dec);
1065
1066 WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes
813 1067
814 while (pairs--) 1068 while (pairs--)
815 decode_he (dec, hv); 1069 decode_he (dec, hv);
816 } 1070 }
817 1071
818 DEC_DEC_DEPTH; 1072 DEC_DEC_DEPTH;
819 return newRV_noinc ((SV *)hv); 1073 return newRV_noinc ((SV *)hv);
820 1074
821fail: 1075fail:
822 SvREFCNT_dec (hv); 1076 SvREFCNT_dec_NN (hv);
823 DEC_DEC_DEPTH; 1077 DEC_DEC_DEPTH;
824 return &PL_sv_undef; 1078 return &PL_sv_undef;
825} 1079}
826 1080
827static SV * 1081static SV *
828decode_str (dec_t *dec, int utf8) 1082decode_str (dec_t *dec, int utf8)
829{ 1083{
830 SV *sv = 0; 1084 SV *sv = 0;
831 1085
832 if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) 1086 if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF))
833 { 1087 {
834 // indefinite length strings 1088 // indefinite length strings
835 ++dec->cur; 1089 ++dec->cur;
836 1090
837 U8 major = *dec->cur & MAJOR_MISC; 1091 U8 major = *dec->cur & MAJOR_MISC;
905 sv = newRV_noinc (decode_sv (dec)); 1159 sv = newRV_noinc (decode_sv (dec));
906 break; 1160 break;
907 1161
908 case CBOR_TAG_STRINGREF_NAMESPACE: 1162 case CBOR_TAG_STRINGREF_NAMESPACE:
909 { 1163 {
1164 // do not use SAVETMPS/FREETMPS, as these will
1165 // erase mortalised caches, e.g. "shareable"
910 ENTER; SAVETMPS; 1166 ENTER;
911 1167
912 SAVESPTR (dec->stringref); 1168 SAVESPTR (dec->stringref);
913 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); 1169 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
914 1170
915 sv = decode_sv (dec); 1171 sv = decode_sv (dec);
916 1172
917 FREETMPS; LEAVE; 1173 LEAVE;
918 } 1174 }
919 break; 1175 break;
920 1176
921 case CBOR_TAG_STRINGREF: 1177 case CBOR_TAG_STRINGREF:
922 { 1178 {
923 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1179 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
924 ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); 1180 ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
925 1181
926 UV idx = decode_uint (dec); 1182 UV idx = decode_uint (dec);
927 1183
928 if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) 1184 if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref)))
929 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); 1185 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
930 1186
931 sv = newSVsv (AvARRAY (dec->stringref)[idx]); 1187 sv = newSVsv (AvARRAY (dec->stringref)[idx]);
932 } 1188 }
933 break; 1189 break;
961 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1217 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
962 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); 1218 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
963 1219
964 UV idx = decode_uint (dec); 1220 UV idx = decode_uint (dec);
965 1221
966 if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) 1222 if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable)))
967 ERR ("corrupted CBOR data (sharedref index out of bounds)"); 1223 ERR ("corrupted CBOR data (sharedref index out of bounds)");
968 1224
969 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); 1225 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
970 1226
971 if (sv == &PL_sv_undef) 1227 if (sv == &PL_sv_undef)
973 } 1229 }
974 break; 1230 break;
975 1231
976 case CBOR_TAG_PERL_OBJECT: 1232 case CBOR_TAG_PERL_OBJECT:
977 { 1233 {
1234 if (dec->cbor.flags & F_FORBID_OBJECTS)
1235 goto filter;
1236
978 sv = decode_sv (dec); 1237 sv = decode_sv (dec);
979 1238
980 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) 1239 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
981 ERR ("corrupted CBOR data (non-array perl object)"); 1240 ERR ("corrupted CBOR data (non-array perl object)");
982 1241
992 if (!method) 1251 if (!method)
993 ERR ("cannot decode perl-object (package does not have a THAW method)"); 1252 ERR ("cannot decode perl-object (package does not have a THAW method)");
994 1253
995 dSP; 1254 dSP;
996 1255
997 ENTER; SAVETMPS; PUSHMARK (SP); 1256 ENTER; SAVETMPS;
1257 PUSHMARK (SP);
998 EXTEND (SP, len + 1); 1258 EXTEND (SP, len + 1);
999 // we re-bless the reference to get overload and other niceties right 1259 // we re-bless the reference to get overload and other niceties right
1000 PUSHs (*av_fetch (av, 0, 1)); 1260 PUSHs (*av_fetch (av, 0, 1));
1001 PUSHs (sv_cbor); 1261 PUSHs (sv_cbor);
1002 1262
1010 SPAGAIN; 1270 SPAGAIN;
1011 1271
1012 if (SvTRUE (ERRSV)) 1272 if (SvTRUE (ERRSV))
1013 { 1273 {
1014 FREETMPS; LEAVE; 1274 FREETMPS; LEAVE;
1015 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1275 ERR_ERRSV;
1016 } 1276 }
1017 1277
1018 SvREFCNT_dec (sv); 1278 SvREFCNT_dec_NN (sv);
1019 sv = SvREFCNT_inc (POPs); 1279 sv = SvREFCNT_inc (POPs);
1020 1280
1021 PUTBACK; 1281 PUTBACK;
1022 1282
1023 FREETMPS; LEAVE; 1283 FREETMPS; LEAVE;
1024 } 1284 }
1025 break; 1285 break;
1026 1286
1027 default: 1287 default:
1288 filter:
1028 { 1289 {
1290 SV *tag_sv = newSVuv (tag);
1291
1029 sv = decode_sv (dec); 1292 sv = decode_sv (dec);
1030 1293
1031 dSP; 1294 dSP;
1032 ENTER; SAVETMPS; PUSHMARK (SP); 1295 ENTER; SAVETMPS;
1296 PUSHMARK (SP);
1033 EXTEND (SP, 2); 1297 EXTEND (SP, 2);
1034 PUSHs (newSVuv (tag)); 1298 PUSHs (tag_sv);
1035 PUSHs (sv); 1299 PUSHs (sv);
1036 1300
1037 PUTBACK; 1301 PUTBACK;
1038 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); 1302 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
1039 SPAGAIN; 1303 SPAGAIN;
1040 1304
1041 if (SvTRUE (ERRSV)) 1305 if (SvTRUE (ERRSV))
1042 { 1306 {
1307 SvREFCNT_dec_NN (tag_sv);
1043 FREETMPS; LEAVE; 1308 FREETMPS; LEAVE;
1044 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1309 ERR_ERRSV;
1045 } 1310 }
1046 1311
1047 if (count) 1312 if (count)
1048 { 1313 {
1314 SvREFCNT_dec_NN (tag_sv);
1049 SvREFCNT_dec (sv); 1315 SvREFCNT_dec_NN (sv);
1050 sv = SvREFCNT_inc (POPs); 1316 sv = SvREFCNT_inc_NN (TOPs);
1317 SP -= count;
1051 } 1318 }
1052 else 1319 else
1053 { 1320 {
1054 AV *av = newAV (); 1321 AV *av = newAV ();
1055 av_push (av, newSVuv (tag)); 1322 av_push (av, tag_sv);
1056 av_push (av, sv); 1323 av_push (av, sv);
1057 1324
1058 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 1325 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
1059 ? cbor_tagged_stash 1326 ? cbor_tagged_stash
1060 : gv_stashpv ("CBOR::XS::Tagged" , 1); 1327 : gv_stashpv ("CBOR::XS::Tagged" , 1);
1163} 1430}
1164 1431
1165static SV * 1432static SV *
1166decode_cbor (SV *string, CBOR *cbor, char **offset_return) 1433decode_cbor (SV *string, CBOR *cbor, char **offset_return)
1167{ 1434{
1168 dec_t dec = { }; 1435 dec_t dec = { 0 };
1169 SV *sv; 1436 SV *sv;
1170 STRLEN len; 1437 STRLEN len;
1171 char *data = SvPVbyte (string, len); 1438 char *data = SvPVbyte (string, len);
1172 1439
1173 if (len > cbor->max_size && cbor->max_size) 1440 if (len > cbor->max_size && cbor->max_size)
1189 1456
1190 if (dec.err) 1457 if (dec.err)
1191 { 1458 {
1192 if (dec.shareable) 1459 if (dec.shareable)
1193 { 1460 {
1194 // need to break cyclic links, which whould all be in shareable 1461 // need to break cyclic links, which would all be in shareable
1195 int i; 1462 int i;
1196 SV **svp; 1463 SV **svp;
1197 1464
1198 for (i = av_len (dec.shareable) + 1; i--; ) 1465 for (i = av_len (dec.shareable) + 1; i--; )
1199 if ((svp = av_fetch (dec.shareable, i, 0))) 1466 if ((svp = av_fetch (dec.shareable, i, 0)))
1200 sv_setsv (*svp, &PL_sv_undef); 1467 sv_setsv (*svp, &PL_sv_undef);
1201 } 1468 }
1202 1469
1203 SvREFCNT_dec (sv); 1470 SvREFCNT_dec_NN (sv);
1471
1472 if (dec.err_sv)
1473 sv_2mortal (dec.err_sv);
1474
1204 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); 1475 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);
1205 } 1476 }
1206 1477
1207 sv = sv_2mortal (sv); 1478 sv = sv_2mortal (sv);
1208 1479
1264 1535
1265 int major = *p >> MAJOR_SHIFT; 1536 int major = *p >> MAJOR_SHIFT;
1266 1537
1267 switch (major) 1538 switch (major)
1268 { 1539 {
1540 case MAJOR_TAG >> MAJOR_SHIFT:
1541 ++count; // tags merely prefix another value
1542 break;
1543
1269 case MAJOR_BYTES >> MAJOR_SHIFT: 1544 case MAJOR_BYTES >> MAJOR_SHIFT:
1270 case MAJOR_TEXT >> MAJOR_SHIFT: 1545 case MAJOR_TEXT >> MAJOR_SHIFT:
1271 case MAJOR_ARRAY >> MAJOR_SHIFT: 1546 case MAJOR_ARRAY >> MAJOR_SHIFT:
1272 case MAJOR_MAP >> MAJOR_SHIFT: 1547 case MAJOR_MAP >> MAJOR_SHIFT:
1273 { 1548 {
1294 1569
1295 break; 1570 break;
1296 1571
1297 case MAJOR_MAP >> MAJOR_SHIFT: 1572 case MAJOR_MAP >> MAJOR_SHIFT:
1298 len <<= 1; 1573 len <<= 1;
1574 /* FALLTHROUGH */
1299 case MAJOR_ARRAY >> MAJOR_SHIFT: 1575 case MAJOR_ARRAY >> MAJOR_SHIFT:
1300 if (len) 1576 if (len)
1301 { 1577 {
1302 av_push (self->incr_count, newSViv (len + 1)); //TODO: nest 1578 av_push (self->incr_count, newSViv (len + 1)); //TODO: nest
1303 count = len + 1; 1579 count = len + 1;
1348 1624
1349 default_filter = newSVpv ("CBOR::XS::default_filter", 0); 1625 default_filter = newSVpv ("CBOR::XS::default_filter", 0);
1350 1626
1351 sv_cbor = newSVpv ("CBOR", 0); 1627 sv_cbor = newSVpv ("CBOR", 0);
1352 SvREADONLY_on (sv_cbor); 1628 SvREADONLY_on (sv_cbor);
1629
1630 assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1));
1353} 1631}
1354 1632
1355PROTOTYPES: DISABLE 1633PROTOTYPES: DISABLE
1356 1634
1357void CLONE (...) 1635void CLONE (...)
1377 ALIAS: 1655 ALIAS:
1378 shrink = F_SHRINK 1656 shrink = F_SHRINK
1379 allow_unknown = F_ALLOW_UNKNOWN 1657 allow_unknown = F_ALLOW_UNKNOWN
1380 allow_sharing = F_ALLOW_SHARING 1658 allow_sharing = F_ALLOW_SHARING
1381 allow_cycles = F_ALLOW_CYCLES 1659 allow_cycles = F_ALLOW_CYCLES
1660 forbid_objects = F_FORBID_OBJECTS
1382 pack_strings = F_PACK_STRINGS 1661 pack_strings = F_PACK_STRINGS
1662 text_keys = F_TEXT_KEYS
1663 text_strings = F_TEXT_STRINGS
1383 validate_utf8 = F_VALIDATE_UTF8 1664 validate_utf8 = F_VALIDATE_UTF8
1384 PPCODE: 1665 PPCODE:
1385{ 1666{
1386 if (enable) 1667 if (enable)
1387 self->flags |= ix; 1668 self->flags |= ix;
1395 ALIAS: 1676 ALIAS:
1396 get_shrink = F_SHRINK 1677 get_shrink = F_SHRINK
1397 get_allow_unknown = F_ALLOW_UNKNOWN 1678 get_allow_unknown = F_ALLOW_UNKNOWN
1398 get_allow_sharing = F_ALLOW_SHARING 1679 get_allow_sharing = F_ALLOW_SHARING
1399 get_allow_cycles = F_ALLOW_CYCLES 1680 get_allow_cycles = F_ALLOW_CYCLES
1681 get_forbid_objects = F_FORBID_OBJECTS
1400 get_pack_strings = F_PACK_STRINGS 1682 get_pack_strings = F_PACK_STRINGS
1683 get_text_keys = F_TEXT_KEYS
1684 get_text_strings = F_TEXT_STRINGS
1401 get_validate_utf8 = F_VALIDATE_UTF8 1685 get_validate_utf8 = F_VALIDATE_UTF8
1402 PPCODE: 1686 PPCODE:
1403 XPUSHs (boolSV (self->flags & ix)); 1687 XPUSHs (boolSV (self->flags & ix));
1404 1688
1405void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1689void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
1535 cbor_init (&cbor); 1819 cbor_init (&cbor);
1536 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; 1820 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN;
1537 XPUSHs (cborstr); 1821 XPUSHs (cborstr);
1538} 1822}
1539 1823
1824#ifdef __AFL_COMPILER
1825
1826void
1827afl_init ()
1828 CODE:
1829 __AFL_INIT ();
1830
1831int
1832afl_loop (unsigned int count = 10000)
1833 CODE:
1834 RETVAL = __AFL_LOOP (count);
1835 OUTPUT:
1836 RETVAL
1837
1838#endif
1839

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