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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.44 by root, Tue Feb 18 22:12:12 2014 UTC vs.
Revision 1.69 by root, Mon Nov 30 20:38:25 2020 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 // possibly future enhancements: (generic) float, (generic) string
115};
116
100#define F_SHRINK 0x00000001UL 117#define F_SHRINK 0x00000001UL
101#define F_ALLOW_UNKNOWN 0x00000002UL 118#define F_ALLOW_UNKNOWN 0x00000002UL
102#define F_ALLOW_SHARING 0x00000004UL 119#define F_ALLOW_SHARING 0x00000004UL
103#define F_ALLOW_CYCLES 0x00000008UL 120#define F_ALLOW_CYCLES 0x00000008UL
121#define F_FORBID_OBJECTS 0x00000010UL
104#define F_PACK_STRINGS 0x00000010UL 122#define F_PACK_STRINGS 0x00000020UL
123#define F_TEXT_KEYS 0x00000040UL
124#define F_TEXT_STRINGS 0x00000080UL
105#define F_VALIDATE_UTF8 0x00000020UL 125#define F_VALIDATE_UTF8 0x00000100UL
106 126
107#define INIT_SIZE 32 // initial scalar size to be allocated 127#define INIT_SIZE 32 // initial scalar size to be allocated
108 128
109#define SB do { 129#define SB do {
110#define SE } while (0) 130#define SE } while (0)
… …
183 203
184// minimum length of a string to be registered for stringref 204// minimum length of a string to be registered for stringref
185ecb_inline int 205ecb_inline int
186minimum_string_length (UV idx) 206minimum_string_length (UV idx)
187{ 207{
188 return idx > 23 208 return idx <= 23 ? 3
189 ? idx > 0xffU 209 : idx <= 0xffU ? 4
190 ? idx > 0xffffU 210 : idx <= 0xffffU ? 5
191 ? idx > 0xffffffffU 211 : idx <= 0xffffffffU ? 7
192 ? 11 212 : 11;
193 : 7
194 : 5
195 : 4
196 : 3;
197} 213}
198 214
199///////////////////////////////////////////////////////////////////////////// 215/////////////////////////////////////////////////////////////////////////////
200// encoder 216// encoder
201 217
… …
214} enc_t; 230} enc_t;
215 231
216ecb_inline void 232ecb_inline void
217need (enc_t *enc, STRLEN len) 233need (enc_t *enc, STRLEN len)
218{ 234{
219 if (ecb_expect_false (enc->cur + len >= enc->end)) 235 if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len))
220 { 236 {
221 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); 237 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
222 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); 238 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
223 enc->cur = SvPVX (enc->sv) + cur; 239 enc->cur = SvPVX (enc->sv) + cur;
224 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; 240 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
… …
230{ 246{
231 need (enc, 1); 247 need (enc, 1);
232 *enc->cur++ = ch; 248 *enc->cur++ = ch;
233} 249}
234 250
251// used for tags, intregers, element counts and so on
235static void 252static void
236encode_uint (enc_t *enc, int major, UV len) 253encode_uint (enc_t *enc, int major, UV len)
237{ 254{
238 need (enc, 9); 255 need (enc, 9);
239 256
… …
270 *enc->cur++ = len >> 8; 287 *enc->cur++ = len >> 8;
271 *enc->cur++ = len; 288 *enc->cur++ = len;
272 } 289 }
273} 290}
274 291
292// encodes a perl value into a CBOR integer
293ecb_inline void
294encode_int (enc_t *enc, SV *sv)
295{
296 if (SvIsUV (sv))
297 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
298 else if (SvIVX (sv) >= 0)
299 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
300 else
301 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
302}
303
275ecb_inline void 304ecb_inline void
276encode_tag (enc_t *enc, UV tag) 305encode_tag (enc_t *enc, UV tag)
277{ 306{
278 encode_uint (enc, MAJOR_TAG, tag); 307 encode_uint (enc, MAJOR_TAG, tag);
279} 308}
280 309
310// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
311ecb_noinline static void
312encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
313{
314 STRLEN ulen = len;
315 U8 *p, *pend = (U8 *)str + len;
316
317 for (p = (U8 *)str; p < pend; ++p)
318 ulen += *p >> 7; // count set high bits
319
320 encode_uint (enc, MAJOR_TEXT, ulen);
321
322 need (enc, ulen);
323 for (p = (U8 *)str; p < pend; ++p)
324 if (*p < 0x80)
325 *enc->cur++ = *p;
326 else
327 {
328 *enc->cur++ = 0xc0 + (*p >> 6);
329 *enc->cur++ = 0x80 + (*p & 63);
330 }
331}
332
281ecb_inline void 333ecb_inline void
282encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 334encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
283{ 335{
336 if (ecb_expect_false (upgrade_utf8))
337 if (!utf8)
338 {
339 encode_str_utf8 (enc, utf8, str, len);
340 return;
341 }
342
284 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); 343 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
285 need (enc, len); 344 need (enc, len);
286 memcpy (enc->cur, str, len); 345 memcpy (enc->cur, str, len);
287 enc->cur += len; 346 enc->cur += len;
288} 347}
289 348
290static void 349ecb_inline void
291encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) 350encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
292{ 351{
293 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) 352 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
294 { 353 {
295 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); 354 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
296 355
… …
307 sv_setuv (*svp, enc->stringref_idx); 366 sv_setuv (*svp, enc->stringref_idx);
308 ++enc->stringref_idx; 367 ++enc->stringref_idx;
309 } 368 }
310 } 369 }
311 370
312 encode_str (enc, utf8, str, len); 371 encode_str (enc, upgrade_utf8, utf8, str, len);
372}
373
374ecb_inline void
375encode_float16 (enc_t *enc, NV nv)
376{
377 need (enc, 1+2);
378
379 *enc->cur++ = MAJOR_MISC | MISC_FLOAT16;
380
381 uint16_t fp = ecb_float_to_binary16 (nv);
382
383 if (!ecb_big_endian ())
384 fp = ecb_bswap16 (fp);
385
386 memcpy (enc->cur, &fp, 2);
387 enc->cur += 2;
388}
389
390ecb_inline void
391encode_float32 (enc_t *enc, NV nv)
392{
393 need (enc, 1+4);
394
395 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
396
397 uint32_t fp = ecb_float_to_binary32 (nv);
398
399 if (!ecb_big_endian ())
400 fp = ecb_bswap32 (fp);
401
402 memcpy (enc->cur, &fp, 4);
403 enc->cur += 4;
404}
405
406ecb_inline void
407encode_float64 (enc_t *enc, NV nv)
408{
409 need (enc, 1+8);
410
411 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
412
413 uint64_t fp = ecb_double_to_binary64 (nv);
414
415 if (!ecb_big_endian ())
416 fp = ecb_bswap64 (fp);
417
418 memcpy (enc->cur, &fp, 8);
419 enc->cur += 8;
420}
421
422ecb_inline void
423encode_bool (enc_t *enc, int istrue)
424{
425 encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE);
426}
427
428ecb_inline void
429encode_forced (enc_t *enc, UV type, SV *sv)
430{
431 switch (type)
432 {
433 case AS_CBOR:
434 {
435 STRLEN len;
436 char *str = SvPVbyte (sv, len);
437
438 need (enc, len);
439 memcpy (enc->cur, str, len);
440 enc->cur += len;
441 }
442 break;
443
444 case AS_BYTES:
445 {
446 STRLEN len;
447 char *str = SvPVbyte (sv, len);
448 encode_strref (enc, 0, 0, str, len);
449 }
450 break;
451
452 case AS_TEXT:
453 {
454 STRLEN len;
455 char *str = SvPVutf8 (sv, len);
456 encode_strref (enc, 1, 1, str, len);
457 }
458 break;
459
460 case AS_INT: encode_int (enc, sv); break;
461
462 case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break;
463 case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break;
464 case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break;
465
466 default:
467 croak ("encountered malformed CBOR::XS::Tagged object");
468 }
313} 469}
314 470
315static void encode_sv (enc_t *enc, SV *sv); 471static void encode_sv (enc_t *enc, SV *sv);
316 472
317static void 473static void
… …
324 480
325 ++enc->depth; 481 ++enc->depth;
326 482
327 encode_uint (enc, MAJOR_ARRAY, len + 1); 483 encode_uint (enc, MAJOR_ARRAY, len + 1);
328 484
485 if (ecb_expect_false (SvMAGICAL (av)))
329 for (i = 0; i <= len; ++i) 486 for (i = 0; i <= len; ++i)
330 { 487 {
331 SV **svp = av_fetch (av, i, 0); 488 SV **svp = av_fetch (av, i, 0);
332 encode_sv (enc, svp ? *svp : &PL_sv_undef); 489 encode_sv (enc, svp ? *svp : &PL_sv_undef);
333 } 490 }
491 else
492 for (i = 0; i <= len; ++i)
493 {
494 SV *sv = AvARRAY (av)[i];
495 encode_sv (enc, sv ? sv : &PL_sv_undef);
496 }
334 497
335 --enc->depth; 498 --enc->depth;
336} 499}
337 500
338static void 501static void
… …
346 ++enc->depth; 509 ++enc->depth;
347 510
348 int pairs = hv_iterinit (hv); 511 int pairs = hv_iterinit (hv);
349 int mg = SvMAGICAL (hv); 512 int mg = SvMAGICAL (hv);
350 513
351 if (mg) 514 if (ecb_expect_false (mg))
352 encode_ch (enc, MAJOR_MAP | MINOR_INDEF); 515 encode_ch (enc, MAJOR_MAP | MINOR_INDEF);
353 else 516 else
354 encode_uint (enc, MAJOR_MAP, pairs); 517 encode_uint (enc, MAJOR_MAP, pairs);
355 518
356 while ((he = hv_iternext (hv))) 519 while ((he = hv_iternext (hv)))
357 { 520 {
358 if (HeKLEN (he) == HEf_SVKEY) 521 if (HeKLEN (he) == HEf_SVKEY)
359 encode_sv (enc, HeSVKEY (he)); 522 encode_sv (enc, HeSVKEY (he));
360 else 523 else
361 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 524 encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
362 525
363 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 526 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
364 } 527 }
365 528
366 if (mg) 529 if (ecb_expect_false (mg))
367 encode_ch (enc, MAJOR_MISC | MINOR_INDEF); 530 encode_ch (enc, MAJOR_MISC | MINOR_INDEF);
368 531
369 --enc->depth; 532 --enc->depth;
370} 533}
371 534
… …
391 554
392 HV *stash = SvSTASH (sv); 555 HV *stash = SvSTASH (sv);
393 556
394 if (stash == boolean_stash) 557 if (stash == boolean_stash)
395 { 558 {
396 encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); 559 encode_bool (enc, SvIV (sv));
397 return; 560 return;
398 } 561 }
399 else if (stash == error_stash) 562 else if (stash == error_stash)
400 { 563 {
401 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); 564 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
… …
404 else if (stash == tagged_stash) 567 else if (stash == tagged_stash)
405 { 568 {
406 if (svt != SVt_PVAV) 569 if (svt != SVt_PVAV)
407 croak ("encountered CBOR::XS::Tagged object that isn't an array"); 570 croak ("encountered CBOR::XS::Tagged object that isn't an array");
408 571
572 switch (av_len ((AV *)sv))
573 {
574 case 2-1:
575 // actually a tagged value
409 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); 576 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1)));
410 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); 577 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));
578 break;
579
580 case 3-1:
581 // a forced type [value, type, undef]
582 encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1));
583 break;
584
585 default:
586 croak ("encountered malformed CBOR::XS::Tagged object");
587 }
411 588
412 return; 589 return;
413 } 590 }
414 } 591 }
415 592
416 if (ecb_expect_false (SvREFCNT (sv) > 1) 593 if (ecb_expect_false (SvREFCNT (sv) > 1)
417 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) 594 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
418 { 595 {
419 if (!enc->shareable) 596 if (ecb_expect_false (!enc->shareable))
420 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); 597 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
421 598
422 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); 599 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
423 600
424 if (SvOK (*svp)) 601 if (SvOK (*svp))
… …
438 if (ecb_expect_false (SvOBJECT (sv))) 615 if (ecb_expect_false (SvOBJECT (sv)))
439 { 616 {
440 HV *stash = SvSTASH (sv); 617 HV *stash = SvSTASH (sv);
441 GV *method; 618 GV *method;
442 619
620 if (enc->cbor.flags & F_FORBID_OBJECTS)
621 croak ("encountered object '%s', but forbid_objects is enabled",
622 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
443 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 623 else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
444 { 624 {
445 dSP; 625 dSP;
446 626
447 ENTER; SAVETMPS; PUSHMARK (SP); 627 ENTER; SAVETMPS;
628 PUSHMARK (SP);
448 // we re-bless the reference to get overload and other niceties right 629 // we re-bless the reference to get overload and other niceties right
449 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 630 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
450 631
451 PUTBACK; 632 PUTBACK;
452 // G_SCALAR ensures that return value is 1 633 // G_SCALAR ensures that return value is 1
… …
465 } 646 }
466 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) 647 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)
467 { 648 {
468 dSP; 649 dSP;
469 650
470 ENTER; SAVETMPS; PUSHMARK (SP); 651 ENTER; SAVETMPS;
652 PUSHMARK (SP);
471 EXTEND (SP, 2); 653 EXTEND (SP, 2);
472 // we re-bless the reference to get overload and other niceties right 654 // we re-bless the reference to get overload and other niceties right
473 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 655 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
474 PUSHs (sv_cbor); 656 PUSHs (sv_cbor);
475 657
… …
481 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 663 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
482 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 664 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
483 665
484 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 666 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
485 encode_uint (enc, MAJOR_ARRAY, count + 1); 667 encode_uint (enc, MAJOR_ARRAY, count + 1);
486 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 668 encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
487 669
488 while (count) 670 {
671 int i;
672
673 for (i = 0; i < count; ++i)
489 encode_sv (enc, SP[1 - count--]); 674 encode_sv (enc, SP[i + 1 - count]);
675
676 SP -= count;
677 }
490 678
491 PUTBACK; 679 PUTBACK;
492 680
493 FREETMPS; LEAVE; 681 FREETMPS; LEAVE;
494 } 682 }
… …
516 704
517 if (ecb_expect_false (nv == (NV)(U32)nv)) 705 if (ecb_expect_false (nv == (NV)(U32)nv))
518 encode_uint (enc, MAJOR_POS_INT, (U32)nv); 706 encode_uint (enc, MAJOR_POS_INT, (U32)nv);
519 //TODO: maybe I32? 707 //TODO: maybe I32?
520 else if (ecb_expect_false (nv == (float)nv)) 708 else if (ecb_expect_false (nv == (float)nv))
521 { 709 encode_float32 (enc, nv);
522 uint32_t fp = ecb_float_to_binary32 (nv);
523
524 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
525
526 if (!ecb_big_endian ())
527 fp = ecb_bswap32 (fp);
528
529 memcpy (enc->cur, &fp, 4);
530 enc->cur += 4;
531 }
532 else 710 else
533 { 711 encode_float64 (enc, nv);
534 uint64_t fp = ecb_double_to_binary64 (nv);
535
536 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
537
538 if (!ecb_big_endian ())
539 fp = ecb_bswap64 (fp);
540
541 memcpy (enc->cur, &fp, 8);
542 enc->cur += 8;
543 }
544} 712}
545 713
546static void 714static void
547encode_sv (enc_t *enc, SV *sv) 715encode_sv (enc_t *enc, SV *sv)
548{ 716{
… …
550 718
551 if (SvPOKp (sv)) 719 if (SvPOKp (sv))
552 { 720 {
553 STRLEN len; 721 STRLEN len;
554 char *str = SvPV (sv, len); 722 char *str = SvPV (sv, len);
555 encode_strref (enc, SvUTF8 (sv), str, len); 723 encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len);
556 } 724 }
557 else if (SvNOKp (sv)) 725 else if (SvNOKp (sv))
558 encode_nv (enc, sv); 726 encode_nv (enc, sv);
559 else if (SvIOKp (sv)) 727 else if (SvIOKp (sv))
560 { 728 encode_int (enc, sv);
561 if (SvIsUV (sv))
562 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
563 else if (SvIVX (sv) >= 0)
564 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
565 else
566 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
567 }
568 else if (SvROK (sv)) 729 else if (SvROK (sv))
569 encode_rv (enc, SvRV (sv)); 730 encode_rv (enc, SvRV (sv));
570 else if (!SvOK (sv)) 731 else if (!SvOK (sv))
571 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); 732 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL);
572 else if (enc->cbor.flags & F_ALLOW_UNKNOWN) 733 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
… …
577} 738}
578 739
579static SV * 740static SV *
580encode_cbor (SV *scalar, CBOR *cbor) 741encode_cbor (SV *scalar, CBOR *cbor)
581{ 742{
582 enc_t enc = { }; 743 enc_t enc = { 0 };
583 744
584 enc.cbor = *cbor; 745 enc.cbor = *cbor;
585 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 746 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
586 enc.cur = SvPVX (enc.sv); 747 enc.cur = SvPVX (enc.sv);
587 enc.end = SvEND (enc.sv); 748 enc.end = SvEND (enc.sv);
588 749
589 SvPOK_only (enc.sv); 750 SvPOK_only (enc.sv);
590 751
591 if (cbor->flags & F_PACK_STRINGS) 752 if (cbor->flags & F_PACK_STRINGS)
592 { 753 {
… …
619 U32 depth; // recursion depth 780 U32 depth; // recursion depth
620 U32 maxdepth; // recursion depth limit 781 U32 maxdepth; // recursion depth limit
621 AV *shareable; 782 AV *shareable;
622 AV *stringref; 783 AV *stringref;
623 SV *decode_tagged; 784 SV *decode_tagged;
785 SV *err_sv; // optional sv for error, needs to be freed
624} dec_t; 786} dec_t;
625 787
626#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 788// set dec->err to ERRSV
789ecb_cold static void
790err_errsv (dec_t *dec)
791{
792 if (!dec->err)
793 {
794 dec->err_sv = newSVsv (ERRSV);
627 795
628#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 796 // chop off the trailing \n
797 SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1);
798 *SvEND (dec->err_sv) = 0;
629 799
800 dec->err = SvPVutf8_nolen (dec->err_sv);
801 }
802}
803
804// the following functions are used to reduce code size and help the compiler to optimise
805ecb_cold static void
806err_set (dec_t *dec, const char *reason)
807{
808 if (!dec->err)
809 dec->err = reason;
810}
811
812ecb_cold static void
813err_unexpected_end (dec_t *dec)
814{
815 err_set (dec, "unexpected end of CBOR data");
816}
817
818#define ERR_DO(do) SB do; goto fail; SE
819#define ERR(reason) ERR_DO (err_set (dec, reason))
820#define ERR_ERRSV ERR_DO (err_errsv (dec))
821
822#define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec))
823
630#define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) 824#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED)
631#define DEC_DEC_DEPTH --dec->depth 825#define DEC_DEC_DEPTH --dec->depth
632 826
633static UV 827static UV
634decode_uint (dec_t *dec) 828decode_uint (dec_t *dec)
635{ 829{
… …
701 895
702 for (;;) 896 for (;;)
703 { 897 {
704 WANT (1); 898 WANT (1);
705 899
706 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 900 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
707 { 901 {
708 ++dec->cur; 902 ++dec->cur;
709 break; 903 break;
710 } 904 }
711 905
712 av_push (av, decode_sv (dec)); 906 av_push (av, decode_sv (dec));
713 } 907 }
714 } 908 }
715 else 909 else
716 { 910 {
717 int i, len = decode_uint (dec); 911 UV i, len = decode_uint (dec);
718 912
719 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays 913 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays
720 av_fill (av, len - 1); 914 av_fill (av, len - 1);
721 915
722 for (i = 0; i < len; ++i) 916 for (i = 0; i < len; ++i)
… …
725 919
726 DEC_DEC_DEPTH; 920 DEC_DEC_DEPTH;
727 return newRV_noinc ((SV *)av); 921 return newRV_noinc ((SV *)av);
728 922
729fail: 923fail:
730 SvREFCNT_dec (av); 924 SvREFCNT_dec_NN (av);
731 DEC_DEC_DEPTH; 925 DEC_DEC_DEPTH;
732 return &PL_sv_undef; 926 return &PL_sv_undef;
733} 927}
734 928
735static void 929static void
… …
739 // byte or utf-8 strings as keys, but only when !stringref 933 // byte or utf-8 strings as keys, but only when !stringref
740 934
741 if (ecb_expect_true (!dec->stringref)) 935 if (ecb_expect_true (!dec->stringref))
742 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) 936 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8))
743 { 937 {
744 I32 len = decode_uint (dec); 938 STRLEN len = decode_uint (dec);
745 char *key = (char *)dec->cur; 939 char *key = (char *)dec->cur;
746 940
941 WANT (len);
747 dec->cur += len; 942 dec->cur += len;
748 943
749 hv_store (hv, key, len, decode_sv (dec), 0); 944 hv_store (hv, key, len, decode_sv (dec), 0);
750 945
751 return; 946 return;
752 } 947 }
753 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) 948 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8))
754 { 949 {
755 I32 len = decode_uint (dec); 950 STRLEN len = decode_uint (dec);
756 char *key = (char *)dec->cur; 951 char *key = (char *)dec->cur;
757 952
953 WANT (len);
758 dec->cur += len; 954 dec->cur += len;
759 955
760 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) 956 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
761 if (!is_utf8_string (key, len)) 957 if (!is_utf8_string (key, len))
762 ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); 958 ERR ("corrupted CBOR data (invalid UTF-8 in map key)");
… …
767 } 963 }
768 964
769 SV *k = decode_sv (dec); 965 SV *k = decode_sv (dec);
770 SV *v = decode_sv (dec); 966 SV *v = decode_sv (dec);
771 967
968 // we leak memory if uncaught exceptions are thrown by random magical
969 // methods, and this is hopefully the only place where it can happen,
970 // so if there is a chance of an exception, take the very slow path.
971 // since catching exceptions is "undocumented/internal/forbidden" by
972 // the new p5p powers, we need to call out to a perl function :/
973 if (ecb_expect_false (SvAMAGIC (k)))
974 {
975 dSP;
976
977 ENTER; SAVETMPS;
978 PUSHMARK (SP);
979 EXTEND (SP, 3);
980 PUSHs (sv_2mortal (newRV_inc ((SV *)hv)));
981 PUSHs (sv_2mortal (k));
982 PUSHs (sv_2mortal (v));
983
984 PUTBACK;
985 call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL);
986 SPAGAIN;
987
988 FREETMPS; LEAVE;
989
990 if (SvTRUE (ERRSV))
991 ERR_ERRSV;
992
993 return;
994 }
995
772 hv_store_ent (hv, k, v, 0); 996 hv_store_ent (hv, k, v, 0);
773 SvREFCNT_dec (k); 997 SvREFCNT_dec_NN (k);
774 998
775fail: 999fail:
776 ; 1000 ;
777} 1001}
778 1002
… …
789 1013
790 for (;;) 1014 for (;;)
791 { 1015 {
792 WANT (1); 1016 WANT (1);
793 1017
794 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 1018 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
795 { 1019 {
796 ++dec->cur; 1020 ++dec->cur;
797 break; 1021 break;
798 } 1022 }
799 1023
800 decode_he (dec, hv); 1024 decode_he (dec, hv);
801 } 1025 }
802 } 1026 }
803 else 1027 else
804 { 1028 {
805 int pairs = decode_uint (dec); 1029 UV pairs = decode_uint (dec);
1030
1031 WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes
806 1032
807 while (pairs--) 1033 while (pairs--)
808 decode_he (dec, hv); 1034 decode_he (dec, hv);
809 } 1035 }
810 1036
811 DEC_DEC_DEPTH; 1037 DEC_DEC_DEPTH;
812 return newRV_noinc ((SV *)hv); 1038 return newRV_noinc ((SV *)hv);
813 1039
814fail: 1040fail:
815 SvREFCNT_dec (hv); 1041 SvREFCNT_dec_NN (hv);
816 DEC_DEC_DEPTH; 1042 DEC_DEC_DEPTH;
817 return &PL_sv_undef; 1043 return &PL_sv_undef;
818} 1044}
819 1045
820static SV * 1046static SV *
821decode_str (dec_t *dec, int utf8) 1047decode_str (dec_t *dec, int utf8)
822{ 1048{
823 SV *sv = 0; 1049 SV *sv = 0;
824 1050
825 if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) 1051 if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF))
826 { 1052 {
827 // indefinite length strings 1053 // indefinite length strings
828 ++dec->cur; 1054 ++dec->cur;
829 1055
830 U8 major = *dec->cur & MAJOR_MISC; 1056 U8 major = *dec->cur & MAJOR_MISC;
… …
898 sv = newRV_noinc (decode_sv (dec)); 1124 sv = newRV_noinc (decode_sv (dec));
899 break; 1125 break;
900 1126
901 case CBOR_TAG_STRINGREF_NAMESPACE: 1127 case CBOR_TAG_STRINGREF_NAMESPACE:
902 { 1128 {
1129 // do not use SAVETMPS/FREETMPS, as these will
1130 // erase mortalised caches, e.g. "shareable"
903 ENTER; SAVETMPS; 1131 ENTER;
904 1132
905 SAVESPTR (dec->stringref); 1133 SAVESPTR (dec->stringref);
906 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); 1134 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
907 1135
908 sv = decode_sv (dec); 1136 sv = decode_sv (dec);
909 1137
910 FREETMPS; LEAVE; 1138 LEAVE;
911 } 1139 }
912 break; 1140 break;
913 1141
914 case CBOR_TAG_STRINGREF: 1142 case CBOR_TAG_STRINGREF:
915 { 1143 {
916 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1144 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
917 ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); 1145 ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
918 1146
919 UV idx = decode_uint (dec); 1147 UV idx = decode_uint (dec);
920 1148
921 if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) 1149 if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref)))
922 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); 1150 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
923 1151
924 sv = newSVsv (AvARRAY (dec->stringref)[idx]); 1152 sv = newSVsv (AvARRAY (dec->stringref)[idx]);
925 } 1153 }
926 break; 1154 break;
… …
954 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1182 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
955 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); 1183 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
956 1184
957 UV idx = decode_uint (dec); 1185 UV idx = decode_uint (dec);
958 1186
959 if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) 1187 if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable)))
960 ERR ("corrupted CBOR data (sharedref index out of bounds)"); 1188 ERR ("corrupted CBOR data (sharedref index out of bounds)");
961 1189
962 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); 1190 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
963 1191
964 if (sv == &PL_sv_undef) 1192 if (sv == &PL_sv_undef)
… …
966 } 1194 }
967 break; 1195 break;
968 1196
969 case CBOR_TAG_PERL_OBJECT: 1197 case CBOR_TAG_PERL_OBJECT:
970 { 1198 {
1199 if (dec->cbor.flags & F_FORBID_OBJECTS)
1200 goto filter;
1201
971 sv = decode_sv (dec); 1202 sv = decode_sv (dec);
972 1203
973 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) 1204 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
974 ERR ("corrupted CBOR data (non-array perl object)"); 1205 ERR ("corrupted CBOR data (non-array perl object)");
975 1206
… …
985 if (!method) 1216 if (!method)
986 ERR ("cannot decode perl-object (package does not have a THAW method)"); 1217 ERR ("cannot decode perl-object (package does not have a THAW method)");
987 1218
988 dSP; 1219 dSP;
989 1220
990 ENTER; SAVETMPS; PUSHMARK (SP); 1221 ENTER; SAVETMPS;
1222 PUSHMARK (SP);
991 EXTEND (SP, len + 1); 1223 EXTEND (SP, len + 1);
992 // we re-bless the reference to get overload and other niceties right 1224 // we re-bless the reference to get overload and other niceties right
993 PUSHs (*av_fetch (av, 0, 1)); 1225 PUSHs (*av_fetch (av, 0, 1));
994 PUSHs (sv_cbor); 1226 PUSHs (sv_cbor);
995 1227
… …
1003 SPAGAIN; 1235 SPAGAIN;
1004 1236
1005 if (SvTRUE (ERRSV)) 1237 if (SvTRUE (ERRSV))
1006 { 1238 {
1007 FREETMPS; LEAVE; 1239 FREETMPS; LEAVE;
1008 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1240 ERR_ERRSV;
1009 } 1241 }
1010 1242
1011 SvREFCNT_dec (sv); 1243 SvREFCNT_dec_NN (sv);
1012 sv = SvREFCNT_inc (POPs); 1244 sv = SvREFCNT_inc (POPs);
1013 1245
1014 PUTBACK; 1246 PUTBACK;
1015 1247
1016 FREETMPS; LEAVE; 1248 FREETMPS; LEAVE;
1017 } 1249 }
1018 break; 1250 break;
1019 1251
1020 default: 1252 default:
1253 filter:
1021 { 1254 {
1255 SV *tag_sv = newSVuv (tag);
1256
1022 sv = decode_sv (dec); 1257 sv = decode_sv (dec);
1023 1258
1024 dSP; 1259 dSP;
1025 ENTER; SAVETMPS; PUSHMARK (SP); 1260 ENTER; SAVETMPS;
1261 PUSHMARK (SP);
1026 EXTEND (SP, 2); 1262 EXTEND (SP, 2);
1027 PUSHs (newSVuv (tag)); 1263 PUSHs (tag_sv);
1028 PUSHs (sv); 1264 PUSHs (sv);
1029 1265
1030 PUTBACK; 1266 PUTBACK;
1031 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); 1267 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
1032 SPAGAIN; 1268 SPAGAIN;
1033 1269
1034 if (SvTRUE (ERRSV)) 1270 if (SvTRUE (ERRSV))
1035 { 1271 {
1272 SvREFCNT_dec_NN (tag_sv);
1036 FREETMPS; LEAVE; 1273 FREETMPS; LEAVE;
1037 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1274 ERR_ERRSV;
1038 } 1275 }
1039 1276
1040 if (count) 1277 if (count)
1041 { 1278 {
1279 SvREFCNT_dec_NN (tag_sv);
1042 SvREFCNT_dec (sv); 1280 SvREFCNT_dec_NN (sv);
1043 sv = SvREFCNT_inc (POPs); 1281 sv = SvREFCNT_inc_NN (TOPs);
1282 SP -= count;
1044 } 1283 }
1045 else 1284 else
1046 { 1285 {
1047 AV *av = newAV (); 1286 AV *av = newAV ();
1048 av_push (av, newSVuv (tag)); 1287 av_push (av, tag_sv);
1049 av_push (av, sv); 1288 av_push (av, sv);
1050 1289
1051 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 1290 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
1052 ? cbor_tagged_stash 1291 ? cbor_tagged_stash
1053 : gv_stashpv ("CBOR::XS::Tagged" , 1); 1292 : gv_stashpv ("CBOR::XS::Tagged" , 1);
… …
1156} 1395}
1157 1396
1158static SV * 1397static SV *
1159decode_cbor (SV *string, CBOR *cbor, char **offset_return) 1398decode_cbor (SV *string, CBOR *cbor, char **offset_return)
1160{ 1399{
1161 dec_t dec = { }; 1400 dec_t dec = { 0 };
1162 SV *sv; 1401 SV *sv;
1163 STRLEN len; 1402 STRLEN len;
1164 char *data = SvPVbyte (string, len); 1403 char *data = SvPVbyte (string, len);
1165 1404
1166 if (len > cbor->max_size && cbor->max_size) 1405 if (len > cbor->max_size && cbor->max_size)
… …
1182 1421
1183 if (dec.err) 1422 if (dec.err)
1184 { 1423 {
1185 if (dec.shareable) 1424 if (dec.shareable)
1186 { 1425 {
1187 // need to break cyclic links, which whould all be in shareable 1426 // need to break cyclic links, which would all be in shareable
1188 int i; 1427 int i;
1189 SV **svp; 1428 SV **svp;
1190 1429
1191 for (i = av_len (dec.shareable) + 1; i--; ) 1430 for (i = av_len (dec.shareable) + 1; i--; )
1192 if ((svp = av_fetch (dec.shareable, i, 0))) 1431 if ((svp = av_fetch (dec.shareable, i, 0)))
1193 sv_setsv (*svp, &PL_sv_undef); 1432 sv_setsv (*svp, &PL_sv_undef);
1194 } 1433 }
1195 1434
1196 SvREFCNT_dec (sv); 1435 SvREFCNT_dec_NN (sv);
1436
1437 if (dec.err_sv)
1438 sv_2mortal (dec.err_sv);
1439
1197 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); 1440 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);
1198 } 1441 }
1199 1442
1200 sv = sv_2mortal (sv); 1443 sv = sv_2mortal (sv);
1201 1444
… …
1257 1500
1258 int major = *p >> MAJOR_SHIFT; 1501 int major = *p >> MAJOR_SHIFT;
1259 1502
1260 switch (major) 1503 switch (major)
1261 { 1504 {
1505 case MAJOR_TAG >> MAJOR_SHIFT:
1506 ++count; // tags merely prefix another value
1507 break;
1508
1262 case MAJOR_BYTES >> MAJOR_SHIFT: 1509 case MAJOR_BYTES >> MAJOR_SHIFT:
1263 case MAJOR_TEXT >> MAJOR_SHIFT: 1510 case MAJOR_TEXT >> MAJOR_SHIFT:
1264 case MAJOR_ARRAY >> MAJOR_SHIFT: 1511 case MAJOR_ARRAY >> MAJOR_SHIFT:
1265 case MAJOR_MAP >> MAJOR_SHIFT: 1512 case MAJOR_MAP >> MAJOR_SHIFT:
1266 { 1513 {
… …
1341 1588
1342 default_filter = newSVpv ("CBOR::XS::default_filter", 0); 1589 default_filter = newSVpv ("CBOR::XS::default_filter", 0);
1343 1590
1344 sv_cbor = newSVpv ("CBOR", 0); 1591 sv_cbor = newSVpv ("CBOR", 0);
1345 SvREADONLY_on (sv_cbor); 1592 SvREADONLY_on (sv_cbor);
1593
1594 assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1));
1346} 1595}
1347 1596
1348PROTOTYPES: DISABLE 1597PROTOTYPES: DISABLE
1349 1598
1350void CLONE (...) 1599void CLONE (...)
… …
1370 ALIAS: 1619 ALIAS:
1371 shrink = F_SHRINK 1620 shrink = F_SHRINK
1372 allow_unknown = F_ALLOW_UNKNOWN 1621 allow_unknown = F_ALLOW_UNKNOWN
1373 allow_sharing = F_ALLOW_SHARING 1622 allow_sharing = F_ALLOW_SHARING
1374 allow_cycles = F_ALLOW_CYCLES 1623 allow_cycles = F_ALLOW_CYCLES
1624 forbid_objects = F_FORBID_OBJECTS
1375 pack_strings = F_PACK_STRINGS 1625 pack_strings = F_PACK_STRINGS
1626 text_keys = F_TEXT_KEYS
1627 text_strings = F_TEXT_STRINGS
1376 validate_utf8 = F_VALIDATE_UTF8 1628 validate_utf8 = F_VALIDATE_UTF8
1377 PPCODE: 1629 PPCODE:
1378{ 1630{
1379 if (enable) 1631 if (enable)
1380 self->flags |= ix; 1632 self->flags |= ix;
… …
1388 ALIAS: 1640 ALIAS:
1389 get_shrink = F_SHRINK 1641 get_shrink = F_SHRINK
1390 get_allow_unknown = F_ALLOW_UNKNOWN 1642 get_allow_unknown = F_ALLOW_UNKNOWN
1391 get_allow_sharing = F_ALLOW_SHARING 1643 get_allow_sharing = F_ALLOW_SHARING
1392 get_allow_cycles = F_ALLOW_CYCLES 1644 get_allow_cycles = F_ALLOW_CYCLES
1645 get_forbid_objects = F_FORBID_OBJECTS
1393 get_pack_strings = F_PACK_STRINGS 1646 get_pack_strings = F_PACK_STRINGS
1647 get_text_keys = F_TEXT_KEYS
1648 get_text_strings = F_TEXT_STRINGS
1394 get_validate_utf8 = F_VALIDATE_UTF8 1649 get_validate_utf8 = F_VALIDATE_UTF8
1395 PPCODE: 1650 PPCODE:
1396 XPUSHs (boolSV (self->flags & ix)); 1651 XPUSHs (boolSV (self->flags & ix));
1397 1652
1398void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1653void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
… …
1528 cbor_init (&cbor); 1783 cbor_init (&cbor);
1529 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; 1784 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN;
1530 XPUSHs (cborstr); 1785 XPUSHs (cborstr);
1531} 1786}
1532 1787
1788#ifdef __AFL_COMPILER
1789
1790void
1791afl_init ()
1792 CODE:
1793 __AFL_INIT ();
1794
1795int
1796afl_loop (unsigned int count = 10000)
1797 CODE:
1798 RETVAL = __AFL_LOOP (count);
1799 OUTPUT:
1800 RETVAL
1801
1802#endif
1803

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