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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.42 by root, Tue Dec 10 15:31:40 2013 UTC vs.
Revision 1.75 by root, Thu Sep 7 23:52:24 2023 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
13#define ECB_NO_THREADS 1
12#include "ecb.h" 14#include "ecb.h"
13 15
14// compatibility with perl <5.18 16// compatibility with perl <5.18
15#ifndef HvNAMELEN_get 17#ifndef HvNAMELEN_get
16# define HvNAMELEN_get(hv) strlen (HvNAME (hv)) 18# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
… …
19# define HvNAMELEN(hv) HvNAMELEN_get (hv) 21# define HvNAMELEN(hv) HvNAMELEN_get (hv)
20#endif 22#endif
21#ifndef HvNAMEUTF8 23#ifndef HvNAMEUTF8
22# define HvNAMEUTF8(hv) 0 24# define HvNAMEUTF8(hv) 0
23#endif 25#endif
26#ifndef SvREFCNT_inc_NN
27# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
28#endif
24#ifndef SvREFCNT_dec_NN 29#ifndef SvREFCNT_dec_NN
25# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) 30# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
26#endif 31#endif
32
33// perl's is_utf8_string interprets len=0 as "calculate len", but we want it to mean 0
34#define cbor_is_utf8_string(str,len) (!(len) || is_utf8_string ((str), (len)))
27 35
28// known major and minor types 36// known major and minor types
29enum cbor_type 37enum cbor_type
30{ 38{
31 MAJOR_SHIFT = 5, 39 MAJOR_SHIFT = 5,
… …
94 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 102 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
95 103
96 CBOR_TAG_MAGIC = 55799, // self-describe cbor 104 CBOR_TAG_MAGIC = 55799, // self-describe cbor
97}; 105};
98 106
107// known forced types, also hardcoded in CBOR.pm
108enum
109{
110 AS_CBOR = 0,
111 AS_INT = 1,
112 AS_BYTES = 2,
113 AS_TEXT = 3,
114 AS_FLOAT16 = 4,
115 AS_FLOAT32 = 5,
116 AS_FLOAT64 = 6,
117 AS_MAP = 7,
118 // possibly future enhancements: (generic) float, (generic) string
119};
120
99#define F_SHRINK 0x00000001UL 121#define F_SHRINK 0x00000001UL
100#define F_ALLOW_UNKNOWN 0x00000002UL 122#define F_ALLOW_UNKNOWN 0x00000002UL
101#define F_ALLOW_SHARING 0x00000004UL 123#define F_ALLOW_SHARING 0x00000004UL
102#define F_ALLOW_CYCLES 0x00000008UL 124#define F_ALLOW_CYCLES 0x00000008UL
125#define F_FORBID_OBJECTS 0x00000010UL
103#define F_PACK_STRINGS 0x00000010UL 126#define F_PACK_STRINGS 0x00000020UL
127#define F_TEXT_KEYS 0x00000040UL
128#define F_TEXT_STRINGS 0x00000080UL
104#define F_VALIDATE_UTF8 0x00000020UL 129#define F_VALIDATE_UTF8 0x00000100UL
105 130
106#define INIT_SIZE 32 // initial scalar size to be allocated 131#define INIT_SIZE 32 // initial scalar size to be allocated
107 132
108#define SB do { 133#define SB do {
109#define SE } while (0) 134#define SE } while (0)
… …
179#endif 204#endif
180 } 205 }
181} 206}
182 207
183// minimum length of a string to be registered for stringref 208// minimum length of a string to be registered for stringref
184ecb_inline int 209ecb_inline STRLEN
185minimum_string_length (UV idx) 210minimum_string_length (UV idx)
186{ 211{
187 return idx > 23 212 return idx <= 23 ? 3
188 ? idx > 0xffU 213 : idx <= 0xffU ? 4
189 ? idx > 0xffffU 214 : idx <= 0xffffU ? 5
190 ? idx > 0xffffffffU 215 : idx <= 0xffffffffU ? 7
191 ? 11 216 : 11;
192 : 7
193 : 5
194 : 4
195 : 3;
196} 217}
197 218
198///////////////////////////////////////////////////////////////////////////// 219/////////////////////////////////////////////////////////////////////////////
199// encoder 220// encoder
200 221
… …
213} enc_t; 234} enc_t;
214 235
215ecb_inline void 236ecb_inline void
216need (enc_t *enc, STRLEN len) 237need (enc_t *enc, STRLEN len)
217{ 238{
218 if (ecb_expect_false (enc->cur + len >= enc->end)) 239 if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len))
219 { 240 {
220 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); 241 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
221 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); 242 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
222 enc->cur = SvPVX (enc->sv) + cur; 243 enc->cur = SvPVX (enc->sv) + cur;
223 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; 244 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
224 } 245 }
225} 246}
226 247
248static void encode_sv (enc_t *enc, SV *sv);
249
227ecb_inline void 250ecb_inline void
228encode_ch (enc_t *enc, char ch) 251encode_ch (enc_t *enc, char ch)
229{ 252{
230 need (enc, 1); 253 need (enc, 1);
231 *enc->cur++ = ch; 254 *enc->cur++ = ch;
232} 255}
233 256
257// used for tags, intregers, element counts and so on
234static void 258static void
235encode_uint (enc_t *enc, int major, UV len) 259encode_uint (enc_t *enc, int major, UV len)
236{ 260{
237 need (enc, 9); 261 need (enc, 9);
238 262
… …
269 *enc->cur++ = len >> 8; 293 *enc->cur++ = len >> 8;
270 *enc->cur++ = len; 294 *enc->cur++ = len;
271 } 295 }
272} 296}
273 297
298// encodes a perl value into a CBOR integer
299ecb_inline void
300encode_int (enc_t *enc, SV *sv)
301{
302 if (SvIsUV (sv))
303 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
304 else if (SvIVX (sv) >= 0)
305 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
306 else
307 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
308}
309
274ecb_inline void 310ecb_inline void
275encode_tag (enc_t *enc, UV tag) 311encode_tag (enc_t *enc, UV tag)
276{ 312{
277 encode_uint (enc, MAJOR_TAG, tag); 313 encode_uint (enc, MAJOR_TAG, tag);
278} 314}
279 315
316// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
317ecb_noinline static void
318encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
319{
320 STRLEN ulen = len;
321 U8 *p, *pend = (U8 *)str + len;
322
323 for (p = (U8 *)str; p < pend; ++p)
324 ulen += *p >> 7; // count set high bits
325
326 encode_uint (enc, MAJOR_TEXT, ulen);
327
328 need (enc, ulen);
329 for (p = (U8 *)str; p < pend; ++p)
330 if (*p < 0x80)
331 *enc->cur++ = *p;
332 else
333 {
334 *enc->cur++ = 0xc0 + (*p >> 6);
335 *enc->cur++ = 0x80 + (*p & 63);
336 }
337}
338
280ecb_inline void 339ecb_inline void
281encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 340encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
282{ 341{
342 if (ecb_expect_false (upgrade_utf8))
343 if (!utf8)
344 {
345 encode_str_utf8 (enc, utf8, str, len);
346 return;
347 }
348
283 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); 349 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
284 need (enc, len); 350 need (enc, len);
285 memcpy (enc->cur, str, len); 351 memcpy (enc->cur, str, len);
286 enc->cur += len; 352 enc->cur += len;
287} 353}
288 354
289static void 355ecb_inline void
290encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) 356encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
291{ 357{
292 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) 358 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
293 { 359 {
294 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); 360 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
295 361
… …
306 sv_setuv (*svp, enc->stringref_idx); 372 sv_setuv (*svp, enc->stringref_idx);
307 ++enc->stringref_idx; 373 ++enc->stringref_idx;
308 } 374 }
309 } 375 }
310 376
311 encode_str (enc, utf8, str, len); 377 encode_str (enc, upgrade_utf8, utf8, str, len);
312} 378}
313 379
314static void encode_sv (enc_t *enc, SV *sv); 380ecb_inline void
381encode_float16 (enc_t *enc, NV nv)
382{
383 need (enc, 1+2);
384
385 *enc->cur++ = MAJOR_MISC | MISC_FLOAT16;
386
387 uint16_t fp = ecb_float_to_binary16 (nv);
388
389 if (!ecb_big_endian ())
390 fp = ecb_bswap16 (fp);
391
392 memcpy (enc->cur, &fp, 2);
393 enc->cur += 2;
394}
395
396ecb_inline void
397encode_float32 (enc_t *enc, NV nv)
398{
399 need (enc, 1+4);
400
401 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
402
403 uint32_t fp = ecb_float_to_binary32 (nv);
404
405 if (!ecb_big_endian ())
406 fp = ecb_bswap32 (fp);
407
408 memcpy (enc->cur, &fp, 4);
409 enc->cur += 4;
410}
411
412ecb_inline void
413encode_float64 (enc_t *enc, NV nv)
414{
415 need (enc, 1+8);
416
417 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
418
419 uint64_t fp = ecb_double_to_binary64 (nv);
420
421 if (!ecb_big_endian ())
422 fp = ecb_bswap64 (fp);
423
424 memcpy (enc->cur, &fp, 8);
425 enc->cur += 8;
426}
427
428ecb_inline void
429encode_bool (enc_t *enc, int istrue)
430{
431 encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE);
432}
433
434// encodes an arrayref containing key-value pairs as CBOR map
435ecb_inline void
436encode_array_as_map (enc_t *enc, SV *sv)
437{
438 if (enc->depth >= enc->cbor.max_depth)
439 croak (ERR_NESTING_EXCEEDED);
440
441 ++enc->depth;
442
443 // as_map does error checking for us, but we re-check in case
444 // things have changed.
445
446 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
447 croak ("CBOR::XS::as_map requires an array reference (did you change the array after calling as_map?)");
448
449 AV *av = (AV *)SvRV (sv);
450 int i, len = av_len (av);
451
452 if (!(len & 1))
453 croak ("CBOR::XS::as_map requires an even number of elements (did you change the array after calling as_map?)");
454
455 encode_uint (enc, MAJOR_MAP, (len + 1) >> 1);
456
457 for (i = 0; i <= len; ++i)
458 {
459 SV **svp = av_fetch (av, i, 0);
460 encode_sv (enc, svp ? *svp : &PL_sv_undef);
461 }
462
463 --enc->depth;
464}
465
466ecb_inline void
467encode_forced (enc_t *enc, UV type, SV *sv)
468{
469 switch (type)
470 {
471 case AS_CBOR:
472 {
473 STRLEN len;
474 char *str = SvPVbyte (sv, len);
475
476 need (enc, len);
477 memcpy (enc->cur, str, len);
478 enc->cur += len;
479 }
480 break;
481
482 case AS_BYTES:
483 {
484 STRLEN len;
485 char *str = SvPVbyte (sv, len);
486 encode_strref (enc, 0, 0, str, len);
487 }
488 break;
489
490 case AS_TEXT:
491 {
492 STRLEN len;
493 char *str = SvPVutf8 (sv, len);
494 encode_strref (enc, 1, 1, str, len);
495 }
496 break;
497
498 case AS_INT: encode_int (enc, sv); break;
499
500 case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break;
501 case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break;
502 case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break;
503
504 case AS_MAP: encode_array_as_map (enc, sv); break;
505
506 default:
507 croak ("encountered malformed CBOR::XS::Tagged object");
508 }
509}
315 510
316static void 511static void
317encode_av (enc_t *enc, AV *av) 512encode_av (enc_t *enc, AV *av)
318{ 513{
319 int i, len = av_len (av); 514 int i, len = av_len (av);
… …
323 518
324 ++enc->depth; 519 ++enc->depth;
325 520
326 encode_uint (enc, MAJOR_ARRAY, len + 1); 521 encode_uint (enc, MAJOR_ARRAY, len + 1);
327 522
523 if (ecb_expect_false (SvMAGICAL (av)))
328 for (i = 0; i <= len; ++i) 524 for (i = 0; i <= len; ++i)
329 { 525 {
330 SV **svp = av_fetch (av, i, 0); 526 SV **svp = av_fetch (av, i, 0);
331 encode_sv (enc, svp ? *svp : &PL_sv_undef); 527 encode_sv (enc, svp ? *svp : &PL_sv_undef);
332 } 528 }
529 else
530 for (i = 0; i <= len; ++i)
531 {
532 SV *sv = AvARRAY (av)[i];
533 encode_sv (enc, sv ? sv : &PL_sv_undef);
534 }
333 535
334 --enc->depth; 536 --enc->depth;
335} 537}
336 538
337static void 539static void
… …
345 ++enc->depth; 547 ++enc->depth;
346 548
347 int pairs = hv_iterinit (hv); 549 int pairs = hv_iterinit (hv);
348 int mg = SvMAGICAL (hv); 550 int mg = SvMAGICAL (hv);
349 551
350 if (mg) 552 if (ecb_expect_false (mg))
351 encode_ch (enc, MAJOR_MAP | MINOR_INDEF); 553 encode_ch (enc, MAJOR_MAP | MINOR_INDEF);
352 else 554 else
353 encode_uint (enc, MAJOR_MAP, pairs); 555 encode_uint (enc, MAJOR_MAP, pairs);
354 556
355 while ((he = hv_iternext (hv))) 557 while ((he = hv_iternext (hv)))
356 { 558 {
357 if (HeKLEN (he) == HEf_SVKEY) 559 if (HeKLEN (he) == HEf_SVKEY)
358 encode_sv (enc, HeSVKEY (he)); 560 encode_sv (enc, HeSVKEY (he));
359 else 561 else
360 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 562 encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
361 563
362 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 564 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
363 } 565 }
364 566
365 if (mg) 567 if (ecb_expect_false (mg))
366 encode_ch (enc, MAJOR_MISC | MINOR_INDEF); 568 encode_ch (enc, MAJOR_MISC | MINOR_INDEF);
367 569
368 --enc->depth; 570 --enc->depth;
369} 571}
370 572
… …
390 592
391 HV *stash = SvSTASH (sv); 593 HV *stash = SvSTASH (sv);
392 594
393 if (stash == boolean_stash) 595 if (stash == boolean_stash)
394 { 596 {
395 encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); 597 encode_bool (enc, SvIV (sv));
396 return; 598 return;
397 } 599 }
398 else if (stash == error_stash) 600 else if (stash == error_stash)
399 { 601 {
400 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); 602 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
… …
403 else if (stash == tagged_stash) 605 else if (stash == tagged_stash)
404 { 606 {
405 if (svt != SVt_PVAV) 607 if (svt != SVt_PVAV)
406 croak ("encountered CBOR::XS::Tagged object that isn't an array"); 608 croak ("encountered CBOR::XS::Tagged object that isn't an array");
407 609
610 switch (av_len ((AV *)sv))
611 {
612 case 2-1:
613 // actually a tagged value
408 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); 614 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1)));
409 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); 615 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));
616 break;
617
618 case 3-1:
619 // a forced type [value, type, undef]
620 encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1));
621 break;
622
623 default:
624 croak ("encountered malformed CBOR::XS::Tagged object");
625 }
410 626
411 return; 627 return;
412 } 628 }
413 } 629 }
414 630
415 if (ecb_expect_false (SvREFCNT (sv) > 1) 631 if (ecb_expect_false (SvREFCNT (sv) > 1)
416 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) 632 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
417 { 633 {
418 if (!enc->shareable) 634 if (ecb_expect_false (!enc->shareable))
419 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); 635 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
420 636
421 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); 637 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
422 638
423 if (SvOK (*svp)) 639 if (SvOK (*svp))
… …
437 if (ecb_expect_false (SvOBJECT (sv))) 653 if (ecb_expect_false (SvOBJECT (sv)))
438 { 654 {
439 HV *stash = SvSTASH (sv); 655 HV *stash = SvSTASH (sv);
440 GV *method; 656 GV *method;
441 657
658 if (enc->cbor.flags & F_FORBID_OBJECTS)
659 croak ("encountered object '%s', but forbid_objects is enabled",
660 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
442 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 661 else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
443 { 662 {
444 dSP; 663 dSP;
445 664
446 ENTER; SAVETMPS; PUSHMARK (SP); 665 ENTER; SAVETMPS;
666 PUSHMARK (SP);
447 // we re-bless the reference to get overload and other niceties right 667 // we re-bless the reference to get overload and other niceties right
448 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 668 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
449 669
450 PUTBACK; 670 PUTBACK;
451 // G_SCALAR ensures that return value is 1 671 // G_SCALAR ensures that return value is 1
… …
464 } 684 }
465 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) 685 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)
466 { 686 {
467 dSP; 687 dSP;
468 688
469 ENTER; SAVETMPS; PUSHMARK (SP); 689 ENTER; SAVETMPS;
690 PUSHMARK (SP);
470 EXTEND (SP, 2); 691 EXTEND (SP, 2);
471 // we re-bless the reference to get overload and other niceties right 692 // we re-bless the reference to get overload and other niceties right
472 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 693 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
473 PUSHs (sv_cbor); 694 PUSHs (sv_cbor);
474 695
… …
480 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 701 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
481 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 702 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
482 703
483 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 704 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
484 encode_uint (enc, MAJOR_ARRAY, count + 1); 705 encode_uint (enc, MAJOR_ARRAY, count + 1);
485 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 706 encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
486 707
487 while (count) 708 {
709 int i;
710
711 for (i = 0; i < count; ++i)
488 encode_sv (enc, SP[1 - count--]); 712 encode_sv (enc, SP[i + 1 - count]);
713
714 SP -= count;
715 }
489 716
490 PUTBACK; 717 PUTBACK;
491 718
492 FREETMPS; LEAVE; 719 FREETMPS; LEAVE;
493 } 720 }
… …
515 742
516 if (ecb_expect_false (nv == (NV)(U32)nv)) 743 if (ecb_expect_false (nv == (NV)(U32)nv))
517 encode_uint (enc, MAJOR_POS_INT, (U32)nv); 744 encode_uint (enc, MAJOR_POS_INT, (U32)nv);
518 //TODO: maybe I32? 745 //TODO: maybe I32?
519 else if (ecb_expect_false (nv == (float)nv)) 746 else if (ecb_expect_false (nv == (float)nv))
520 { 747 encode_float32 (enc, nv);
521 uint32_t fp = ecb_float_to_binary32 (nv);
522
523 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
524
525 if (!ecb_big_endian ())
526 fp = ecb_bswap32 (fp);
527
528 memcpy (enc->cur, &fp, 4);
529 enc->cur += 4;
530 }
531 else 748 else
532 { 749 encode_float64 (enc, nv);
533 uint64_t fp = ecb_double_to_binary64 (nv);
534
535 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
536
537 if (!ecb_big_endian ())
538 fp = ecb_bswap64 (fp);
539
540 memcpy (enc->cur, &fp, 8);
541 enc->cur += 8;
542 }
543} 750}
544 751
545static void 752static void
546encode_sv (enc_t *enc, SV *sv) 753encode_sv (enc_t *enc, SV *sv)
547{ 754{
… …
549 756
550 if (SvPOKp (sv)) 757 if (SvPOKp (sv))
551 { 758 {
552 STRLEN len; 759 STRLEN len;
553 char *str = SvPV (sv, len); 760 char *str = SvPV (sv, len);
554 encode_strref (enc, SvUTF8 (sv), str, len); 761 encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len);
555 } 762 }
556 else if (SvNOKp (sv)) 763 else if (SvNOKp (sv))
557 encode_nv (enc, sv); 764 encode_nv (enc, sv);
558 else if (SvIOKp (sv)) 765 else if (SvIOKp (sv))
559 { 766 encode_int (enc, sv);
560 if (SvIsUV (sv))
561 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
562 else if (SvIVX (sv) >= 0)
563 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
564 else
565 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
566 }
567 else if (SvROK (sv)) 767 else if (SvROK (sv))
568 encode_rv (enc, SvRV (sv)); 768 encode_rv (enc, SvRV (sv));
569 else if (!SvOK (sv)) 769 else if (!SvOK (sv))
570 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); 770 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL);
571 else if (enc->cbor.flags & F_ALLOW_UNKNOWN) 771 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
… …
576} 776}
577 777
578static SV * 778static SV *
579encode_cbor (SV *scalar, CBOR *cbor) 779encode_cbor (SV *scalar, CBOR *cbor)
580{ 780{
581 enc_t enc = { }; 781 enc_t enc = { 0 };
582 782
583 enc.cbor = *cbor; 783 enc.cbor = *cbor;
584 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 784 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
585 enc.cur = SvPVX (enc.sv); 785 enc.cur = SvPVX (enc.sv);
586 enc.end = SvEND (enc.sv); 786 enc.end = SvEND (enc.sv);
587 787
588 SvPOK_only (enc.sv); 788 SvPOK_only (enc.sv);
589 789
590 if (cbor->flags & F_PACK_STRINGS) 790 if (cbor->flags & F_PACK_STRINGS)
591 { 791 {
… …
618 U32 depth; // recursion depth 818 U32 depth; // recursion depth
619 U32 maxdepth; // recursion depth limit 819 U32 maxdepth; // recursion depth limit
620 AV *shareable; 820 AV *shareable;
621 AV *stringref; 821 AV *stringref;
622 SV *decode_tagged; 822 SV *decode_tagged;
823 SV *err_sv; // optional sv for error, needs to be freed
623} dec_t; 824} dec_t;
624 825
625#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 826// set dec->err to ERRSV
827ecb_cold static void
828err_errsv (dec_t *dec)
829{
830 if (!dec->err)
831 {
832 dec->err_sv = newSVsv (ERRSV);
626 833
627#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 834 // chop off the trailing \n
835 SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1);
836 *SvEND (dec->err_sv) = 0;
628 837
838 dec->err = SvPVutf8_nolen (dec->err_sv);
839 }
840}
841
842// the following functions are used to reduce code size and help the compiler to optimise
843ecb_cold static void
844err_set (dec_t *dec, const char *reason)
845{
846 if (!dec->err)
847 dec->err = reason;
848}
849
850ecb_cold static void
851err_unexpected_end (dec_t *dec)
852{
853 err_set (dec, "unexpected end of CBOR data");
854}
855
856#define ERR_DO(do) SB do; goto fail; SE
857#define ERR(reason) ERR_DO (err_set (dec, reason))
858#define ERR_ERRSV ERR_DO (err_errsv (dec))
859
860#define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec))
861
629#define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) 862#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED)
630#define DEC_DEC_DEPTH --dec->depth 863#define DEC_DEC_DEPTH --dec->depth
631 864
632static UV 865static UV
633decode_uint (dec_t *dec) 866decode_uint (dec_t *dec)
634{ 867{
… …
700 933
701 for (;;) 934 for (;;)
702 { 935 {
703 WANT (1); 936 WANT (1);
704 937
705 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 938 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
706 { 939 {
707 ++dec->cur; 940 ++dec->cur;
708 break; 941 break;
709 } 942 }
710 943
711 av_push (av, decode_sv (dec)); 944 av_push (av, decode_sv (dec));
712 } 945 }
713 } 946 }
714 else 947 else
715 { 948 {
716 int i, len = decode_uint (dec); 949 UV i, len = decode_uint (dec);
717 950
718 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays 951 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays
719 av_fill (av, len - 1); 952 av_fill (av, len - 1);
720 953
721 for (i = 0; i < len; ++i) 954 for (i = 0; i < len; ++i)
… …
724 957
725 DEC_DEC_DEPTH; 958 DEC_DEC_DEPTH;
726 return newRV_noinc ((SV *)av); 959 return newRV_noinc ((SV *)av);
727 960
728fail: 961fail:
729 SvREFCNT_dec (av); 962 SvREFCNT_dec_NN (av);
730 DEC_DEC_DEPTH; 963 DEC_DEC_DEPTH;
731 return &PL_sv_undef; 964 return &PL_sv_undef;
732} 965}
733 966
734static void 967static void
… …
736{ 969{
737 // for speed reasons, we specialcase single-string 970 // for speed reasons, we specialcase single-string
738 // byte or utf-8 strings as keys, but only when !stringref 971 // byte or utf-8 strings as keys, but only when !stringref
739 972
740 if (ecb_expect_true (!dec->stringref)) 973 if (ecb_expect_true (!dec->stringref))
741 if (ecb_expect_true ((*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) 974 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8))
742 { 975 {
743 I32 len = decode_uint (dec); 976 STRLEN len = decode_uint (dec);
744 char *key = (char *)dec->cur; 977 char *key = (char *)dec->cur;
745 978
979 WANT (len);
746 dec->cur += len; 980 dec->cur += len;
747 981
748 hv_store (hv, key, len, decode_sv (dec), 0); 982 hv_store (hv, key, len, decode_sv (dec), 0);
749 983
750 return; 984 return;
751 } 985 }
752 else if (ecb_expect_true ((*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) 986 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8))
753 { 987 {
754 I32 len = decode_uint (dec); 988 STRLEN len = decode_uint (dec);
755 char *key = (char *)dec->cur; 989 char *key = (char *)dec->cur;
756 990
991 WANT (len);
757 dec->cur += len; 992 dec->cur += len;
758 993
759 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) 994 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
760 if (!is_utf8_string (key, len)) 995 if (!cbor_is_utf8_string ((U8 *)key, len))
761 ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); 996 ERR ("corrupted CBOR data (invalid UTF-8 in map key)");
762 997
763 hv_store (hv, key, -len, decode_sv (dec), 0); 998 hv_store (hv, key, -len, decode_sv (dec), 0);
764 999
765 return; 1000 return;
766 } 1001 }
767 1002
768 SV *k = decode_sv (dec); 1003 SV *k = decode_sv (dec);
769 SV *v = decode_sv (dec); 1004 SV *v = decode_sv (dec);
770 1005
1006 // we leak memory if uncaught exceptions are thrown by random magical
1007 // methods, and this is hopefully the only place where it can happen,
1008 // so if there is a chance of an exception, take the very slow path.
1009 // since catching exceptions is "undocumented/internal/forbidden" by
1010 // the new p5p powers, we need to call out to a perl function :/
1011 if (ecb_expect_false (SvAMAGIC (k)))
1012 {
1013 dSP;
1014
1015 ENTER; SAVETMPS;
1016 PUSHMARK (SP);
1017 EXTEND (SP, 3);
1018 PUSHs (sv_2mortal (newRV_inc ((SV *)hv)));
1019 PUSHs (sv_2mortal (k));
1020 PUSHs (sv_2mortal (v));
1021
1022 PUTBACK;
1023 call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL);
1024 SPAGAIN;
1025
1026 FREETMPS; LEAVE;
1027
1028 if (SvTRUE (ERRSV))
1029 ERR_ERRSV;
1030
1031 return;
1032 }
1033
771 hv_store_ent (hv, k, v, 0); 1034 hv_store_ent (hv, k, v, 0);
772 SvREFCNT_dec (k); 1035 SvREFCNT_dec_NN (k);
773 1036
774fail: 1037fail:
775 ; 1038 ;
776} 1039}
777 1040
… …
788 1051
789 for (;;) 1052 for (;;)
790 { 1053 {
791 WANT (1); 1054 WANT (1);
792 1055
793 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) 1056 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
794 { 1057 {
795 ++dec->cur; 1058 ++dec->cur;
796 break; 1059 break;
797 } 1060 }
798 1061
799 decode_he (dec, hv); 1062 decode_he (dec, hv);
800 } 1063 }
801 } 1064 }
802 else 1065 else
803 { 1066 {
804 int pairs = decode_uint (dec); 1067 UV pairs = decode_uint (dec);
1068
1069 WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes
805 1070
806 while (pairs--) 1071 while (pairs--)
807 decode_he (dec, hv); 1072 decode_he (dec, hv);
808 } 1073 }
809 1074
810 DEC_DEC_DEPTH; 1075 DEC_DEC_DEPTH;
811 return newRV_noinc ((SV *)hv); 1076 return newRV_noinc ((SV *)hv);
812 1077
813fail: 1078fail:
814 SvREFCNT_dec (hv); 1079 SvREFCNT_dec_NN (hv);
815 DEC_DEC_DEPTH; 1080 DEC_DEC_DEPTH;
816 return &PL_sv_undef; 1081 return &PL_sv_undef;
817} 1082}
818 1083
819static SV * 1084static SV *
820decode_str (dec_t *dec, int utf8) 1085decode_str (dec_t *dec, int utf8)
821{ 1086{
822 SV *sv = 0; 1087 SV *sv = 0;
823 1088
824 if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) 1089 if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF))
825 { 1090 {
826 // indefinite length strings 1091 // indefinite length strings
827 ++dec->cur; 1092 ++dec->cur;
828 1093
829 U8 major = *dec->cur & MAJOR_MISC; 1094 U8 major = *dec->cur & MAJOR_MISC;
… …
864 } 1129 }
865 1130
866 if (utf8) 1131 if (utf8)
867 { 1132 {
868 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) 1133 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
869 if (!is_utf8_string (SvPVX (sv), SvCUR (sv))) 1134 if (!cbor_is_utf8_string (SvPVX (sv), SvCUR (sv)))
870 ERR ("corrupted CBOR data (invalid UTF-8 in text string)"); 1135 ERR ("corrupted CBOR data (invalid UTF-8 in text string)");
871 1136
872 SvUTF8_on (sv); 1137 SvUTF8_on (sv);
873 } 1138 }
874 1139
… …
897 sv = newRV_noinc (decode_sv (dec)); 1162 sv = newRV_noinc (decode_sv (dec));
898 break; 1163 break;
899 1164
900 case CBOR_TAG_STRINGREF_NAMESPACE: 1165 case CBOR_TAG_STRINGREF_NAMESPACE:
901 { 1166 {
1167 // do not use SAVETMPS/FREETMPS, as these will
1168 // erase mortalised caches, e.g. "shareable"
902 ENTER; SAVETMPS; 1169 ENTER;
903 1170
904 SAVESPTR (dec->stringref); 1171 SAVESPTR (dec->stringref);
905 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); 1172 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
906 1173
907 sv = decode_sv (dec); 1174 sv = decode_sv (dec);
908 1175
909 FREETMPS; LEAVE; 1176 LEAVE;
910 } 1177 }
911 break; 1178 break;
912 1179
913 case CBOR_TAG_STRINGREF: 1180 case CBOR_TAG_STRINGREF:
914 { 1181 {
915 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1182 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
916 ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); 1183 ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
917 1184
918 UV idx = decode_uint (dec); 1185 UV idx = decode_uint (dec);
919 1186
920 if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) 1187 if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref)))
921 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); 1188 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
922 1189
923 sv = newSVsv (AvARRAY (dec->stringref)[idx]); 1190 sv = newSVsv (AvARRAY (dec->stringref)[idx]);
924 } 1191 }
925 break; 1192 break;
… …
953 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) 1220 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
954 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); 1221 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
955 1222
956 UV idx = decode_uint (dec); 1223 UV idx = decode_uint (dec);
957 1224
958 if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) 1225 if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable)))
959 ERR ("corrupted CBOR data (sharedref index out of bounds)"); 1226 ERR ("corrupted CBOR data (sharedref index out of bounds)");
960 1227
961 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); 1228 sv = newRV_inc (AvARRAY (dec->shareable)[idx]);
962 1229
963 if (sv == &PL_sv_undef) 1230 if (sv == &PL_sv_undef)
964 ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled"); 1231 ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled");
965 } 1232 }
966 break; 1233 break;
967 1234
968 case CBOR_TAG_PERL_OBJECT: 1235 case CBOR_TAG_PERL_OBJECT:
969 { 1236 {
1237 if (dec->cbor.flags & F_FORBID_OBJECTS)
1238 goto filter;
1239
970 sv = decode_sv (dec); 1240 sv = decode_sv (dec);
971 1241
972 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) 1242 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
973 ERR ("corrupted CBOR data (non-array perl object)"); 1243 ERR ("corrupted CBOR data (non-array perl object)");
974 1244
… …
984 if (!method) 1254 if (!method)
985 ERR ("cannot decode perl-object (package does not have a THAW method)"); 1255 ERR ("cannot decode perl-object (package does not have a THAW method)");
986 1256
987 dSP; 1257 dSP;
988 1258
989 ENTER; SAVETMPS; PUSHMARK (SP); 1259 ENTER; SAVETMPS;
1260 PUSHMARK (SP);
990 EXTEND (SP, len + 1); 1261 EXTEND (SP, len + 1);
991 // we re-bless the reference to get overload and other niceties right 1262 // we re-bless the reference to get overload and other niceties right
992 PUSHs (*av_fetch (av, 0, 1)); 1263 PUSHs (*av_fetch (av, 0, 1));
993 PUSHs (sv_cbor); 1264 PUSHs (sv_cbor);
994 1265
… …
1002 SPAGAIN; 1273 SPAGAIN;
1003 1274
1004 if (SvTRUE (ERRSV)) 1275 if (SvTRUE (ERRSV))
1005 { 1276 {
1006 FREETMPS; LEAVE; 1277 FREETMPS; LEAVE;
1007 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1278 ERR_ERRSV;
1008 } 1279 }
1009 1280
1010 SvREFCNT_dec (sv); 1281 SvREFCNT_dec_NN (sv);
1011 sv = SvREFCNT_inc (POPs); 1282 sv = SvREFCNT_inc (POPs);
1012 1283
1013 PUTBACK; 1284 PUTBACK;
1014 1285
1015 FREETMPS; LEAVE; 1286 FREETMPS; LEAVE;
1016 } 1287 }
1017 break; 1288 break;
1018 1289
1019 default: 1290 default:
1291 filter:
1020 { 1292 {
1293 SV *tag_sv = newSVuv (tag);
1294
1021 sv = decode_sv (dec); 1295 sv = decode_sv (dec);
1022 1296
1023 dSP; 1297 dSP;
1024 ENTER; SAVETMPS; PUSHMARK (SP); 1298 ENTER; SAVETMPS;
1299 PUSHMARK (SP);
1025 EXTEND (SP, 2); 1300 EXTEND (SP, 2);
1026 PUSHs (newSVuv (tag)); 1301 PUSHs (tag_sv);
1027 PUSHs (sv); 1302 PUSHs (sv);
1028 1303
1029 PUTBACK; 1304 PUTBACK;
1030 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); 1305 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
1031 SPAGAIN; 1306 SPAGAIN;
1032 1307
1033 if (SvTRUE (ERRSV)) 1308 if (SvTRUE (ERRSV))
1034 { 1309 {
1310 SvREFCNT_dec_NN (tag_sv);
1035 FREETMPS; LEAVE; 1311 FREETMPS; LEAVE;
1036 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1312 ERR_ERRSV;
1037 } 1313 }
1038 1314
1039 if (count) 1315 if (count)
1040 { 1316 {
1317 SvREFCNT_dec_NN (tag_sv);
1041 SvREFCNT_dec (sv); 1318 SvREFCNT_dec_NN (sv);
1042 sv = SvREFCNT_inc (POPs); 1319 sv = SvREFCNT_inc_NN (TOPs);
1320 SP -= count;
1043 } 1321 }
1044 else 1322 else
1045 { 1323 {
1046 AV *av = newAV (); 1324 AV *av = newAV ();
1047 av_push (av, newSVuv (tag)); 1325 av_push (av, tag_sv);
1048 av_push (av, sv); 1326 av_push (av, sv);
1049 1327
1050 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 1328 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
1051 ? cbor_tagged_stash 1329 ? cbor_tagged_stash
1052 : gv_stashpv ("CBOR::XS::Tagged" , 1); 1330 : gv_stashpv ("CBOR::XS::Tagged" , 1);
… …
1155} 1433}
1156 1434
1157static SV * 1435static SV *
1158decode_cbor (SV *string, CBOR *cbor, char **offset_return) 1436decode_cbor (SV *string, CBOR *cbor, char **offset_return)
1159{ 1437{
1160 dec_t dec = { }; 1438 dec_t dec = { 0 };
1161 SV *sv; 1439 SV *sv;
1162 STRLEN len; 1440 STRLEN len;
1163 char *data = SvPVbyte (string, len); 1441 char *data = SvPVbyte (string, len);
1164 1442
1165 if (len > cbor->max_size && cbor->max_size) 1443 if (len > cbor->max_size && cbor->max_size)
… …
1181 1459
1182 if (dec.err) 1460 if (dec.err)
1183 { 1461 {
1184 if (dec.shareable) 1462 if (dec.shareable)
1185 { 1463 {
1186 // need to break cyclic links, which whould all be in shareable 1464 // need to break cyclic links, which would all be in shareable
1187 int i; 1465 int i;
1188 SV **svp; 1466 SV **svp;
1189 1467
1190 for (i = av_len (dec.shareable) + 1; i--; ) 1468 for (i = av_len (dec.shareable) + 1; i--; )
1191 if ((svp = av_fetch (dec.shareable, i, 0))) 1469 if ((svp = av_fetch (dec.shareable, i, 0)))
1192 sv_setsv (*svp, &PL_sv_undef); 1470 sv_setsv (*svp, &PL_sv_undef);
1193 } 1471 }
1194 1472
1195 SvREFCNT_dec (sv); 1473 SvREFCNT_dec_NN (sv);
1474
1475 if (dec.err_sv)
1476 sv_2mortal (dec.err_sv);
1477
1196 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); 1478 croak ("%s, at offset %ld (octet 0x%02x)", dec.err, (long)(dec.cur - (U8 *)data), (int)(uint8_t)*dec.cur);
1197 } 1479 }
1198 1480
1199 sv = sv_2mortal (sv); 1481 sv = sv_2mortal (sv);
1200 1482
1201 return sv; 1483 return sv;
… …
1256 1538
1257 int major = *p >> MAJOR_SHIFT; 1539 int major = *p >> MAJOR_SHIFT;
1258 1540
1259 switch (major) 1541 switch (major)
1260 { 1542 {
1543 case MAJOR_TAG >> MAJOR_SHIFT:
1544 ++count; // tags merely prefix another value
1545 break;
1546
1261 case MAJOR_BYTES >> MAJOR_SHIFT: 1547 case MAJOR_BYTES >> MAJOR_SHIFT:
1262 case MAJOR_TEXT >> MAJOR_SHIFT: 1548 case MAJOR_TEXT >> MAJOR_SHIFT:
1263 case MAJOR_ARRAY >> MAJOR_SHIFT: 1549 case MAJOR_ARRAY >> MAJOR_SHIFT:
1264 case MAJOR_MAP >> MAJOR_SHIFT: 1550 case MAJOR_MAP >> MAJOR_SHIFT:
1265 { 1551 {
… …
1286 1572
1287 break; 1573 break;
1288 1574
1289 case MAJOR_MAP >> MAJOR_SHIFT: 1575 case MAJOR_MAP >> MAJOR_SHIFT:
1290 len <<= 1; 1576 len <<= 1;
1577 /* FALLTHROUGH */
1291 case MAJOR_ARRAY >> MAJOR_SHIFT: 1578 case MAJOR_ARRAY >> MAJOR_SHIFT:
1292 if (len) 1579 if (len)
1293 { 1580 {
1294 av_push (self->incr_count, newSViv (len + 1)); //TODO: nest 1581 av_push (self->incr_count, newSViv (len + 1)); //TODO: nest
1295 count = len + 1; 1582 count = len + 1;
… …
1340 1627
1341 default_filter = newSVpv ("CBOR::XS::default_filter", 0); 1628 default_filter = newSVpv ("CBOR::XS::default_filter", 0);
1342 1629
1343 sv_cbor = newSVpv ("CBOR", 0); 1630 sv_cbor = newSVpv ("CBOR", 0);
1344 SvREADONLY_on (sv_cbor); 1631 SvREADONLY_on (sv_cbor);
1632
1633 assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1));
1345} 1634}
1346 1635
1347PROTOTYPES: DISABLE 1636PROTOTYPES: DISABLE
1348 1637
1349void CLONE (...) 1638void CLONE (...)
… …
1369 ALIAS: 1658 ALIAS:
1370 shrink = F_SHRINK 1659 shrink = F_SHRINK
1371 allow_unknown = F_ALLOW_UNKNOWN 1660 allow_unknown = F_ALLOW_UNKNOWN
1372 allow_sharing = F_ALLOW_SHARING 1661 allow_sharing = F_ALLOW_SHARING
1373 allow_cycles = F_ALLOW_CYCLES 1662 allow_cycles = F_ALLOW_CYCLES
1663 forbid_objects = F_FORBID_OBJECTS
1374 pack_strings = F_PACK_STRINGS 1664 pack_strings = F_PACK_STRINGS
1665 text_keys = F_TEXT_KEYS
1666 text_strings = F_TEXT_STRINGS
1375 validate_utf8 = F_VALIDATE_UTF8 1667 validate_utf8 = F_VALIDATE_UTF8
1376 PPCODE: 1668 PPCODE:
1377{ 1669{
1378 if (enable) 1670 if (enable)
1379 self->flags |= ix; 1671 self->flags |= ix;
… …
1387 ALIAS: 1679 ALIAS:
1388 get_shrink = F_SHRINK 1680 get_shrink = F_SHRINK
1389 get_allow_unknown = F_ALLOW_UNKNOWN 1681 get_allow_unknown = F_ALLOW_UNKNOWN
1390 get_allow_sharing = F_ALLOW_SHARING 1682 get_allow_sharing = F_ALLOW_SHARING
1391 get_allow_cycles = F_ALLOW_CYCLES 1683 get_allow_cycles = F_ALLOW_CYCLES
1684 get_forbid_objects = F_FORBID_OBJECTS
1392 get_pack_strings = F_PACK_STRINGS 1685 get_pack_strings = F_PACK_STRINGS
1686 get_text_keys = F_TEXT_KEYS
1687 get_text_strings = F_TEXT_STRINGS
1393 get_validate_utf8 = F_VALIDATE_UTF8 1688 get_validate_utf8 = F_VALIDATE_UTF8
1394 PPCODE: 1689 PPCODE:
1395 XPUSHs (boolSV (self->flags & ix)); 1690 XPUSHs (boolSV (self->flags & ix));
1396 1691
1397void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1692void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
… …
1527 cbor_init (&cbor); 1822 cbor_init (&cbor);
1528 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; 1823 PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN;
1529 XPUSHs (cborstr); 1824 XPUSHs (cborstr);
1530} 1825}
1531 1826
1827#ifdef __AFL_COMPILER
1828
1829void
1830afl_init ()
1831 CODE:
1832 __AFL_INIT ();
1833
1834int
1835afl_loop (unsigned int count = 10000)
1836 CODE:
1837 RETVAL = __AFL_LOOP (count);
1838 OUTPUT:
1839 RETVAL
1840
1841#endif
1842

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