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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 1.59 by root, Fri Nov 25 23:37:27 2016 UTC

… …
100#define F_SHRINK 0x00000001UL 100#define F_SHRINK 0x00000001UL
101#define F_ALLOW_UNKNOWN 0x00000002UL 101#define F_ALLOW_UNKNOWN 0x00000002UL
102#define F_ALLOW_SHARING 0x00000004UL 102#define F_ALLOW_SHARING 0x00000004UL
103#define F_ALLOW_CYCLES 0x00000008UL 103#define F_ALLOW_CYCLES 0x00000008UL
104#define F_PACK_STRINGS 0x00000010UL 104#define F_PACK_STRINGS 0x00000010UL
105#define F_TEXT_KEYS 0x00000020UL
106#define F_TEXT_STRINGS 0x00000040UL
105#define F_VALIDATE_UTF8 0x00000020UL 107#define F_VALIDATE_UTF8 0x00000080UL
106 108
107#define INIT_SIZE 32 // initial scalar size to be allocated 109#define INIT_SIZE 32 // initial scalar size to be allocated
108 110
109#define SB do { 111#define SB do {
110#define SE } while (0) 112#define SE } while (0)
… …
276encode_tag (enc_t *enc, UV tag) 278encode_tag (enc_t *enc, UV tag)
277{ 279{
278 encode_uint (enc, MAJOR_TAG, tag); 280 encode_uint (enc, MAJOR_TAG, tag);
279} 281}
280 282
283// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
284ecb_noinline static void
285encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
286{
287 STRLEN ulen = len;
288 U8 *p, *pend = (U8 *)str + len;
289
290 for (p = (U8 *)str; p < pend; ++p)
291 ulen += *p >> 7; // count set high bits
292
293 encode_uint (enc, MAJOR_TEXT, ulen);
294
295 need (enc, ulen);
296 for (p = (U8 *)str; p < pend; ++p)
297 if (*p < 0x80)
298 *enc->cur++ = *p;
299 else
300 {
301 *enc->cur++ = 0xc0 + (*p >> 6);
302 *enc->cur++ = 0x80 + (*p & 63);
303 }
304}
305
281ecb_inline void 306ecb_inline void
282encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 307encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
283{ 308{
309 if (ecb_expect_false (upgrade_utf8))
310 if (!utf8)
311 {
312 encode_str_utf8 (enc, utf8, str, len);
313 return;
314 }
315
284 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); 316 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
285 need (enc, len); 317 need (enc, len);
286 memcpy (enc->cur, str, len); 318 memcpy (enc->cur, str, len);
287 enc->cur += len; 319 enc->cur += len;
288} 320}
289 321
290static void 322ecb_inline void
291encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) 323encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
292{ 324{
293 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) 325 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
294 { 326 {
295 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); 327 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
296 328
… …
307 sv_setuv (*svp, enc->stringref_idx); 339 sv_setuv (*svp, enc->stringref_idx);
308 ++enc->stringref_idx; 340 ++enc->stringref_idx;
309 } 341 }
310 } 342 }
311 343
312 encode_str (enc, utf8, str, len); 344 encode_str (enc, upgrade_utf8, utf8, str, len);
313} 345}
314 346
315static void encode_sv (enc_t *enc, SV *sv); 347static void encode_sv (enc_t *enc, SV *sv);
316 348
317static void 349static void
… …
324 356
325 ++enc->depth; 357 ++enc->depth;
326 358
327 encode_uint (enc, MAJOR_ARRAY, len + 1); 359 encode_uint (enc, MAJOR_ARRAY, len + 1);
328 360
361 if (SvMAGICAL (av))
329 for (i = 0; i <= len; ++i) 362 for (i = 0; i <= len; ++i)
330 { 363 {
331 SV **svp = av_fetch (av, i, 0); 364 SV **svp = av_fetch (av, i, 0);
332 encode_sv (enc, svp ? *svp : &PL_sv_undef); 365 encode_sv (enc, svp ? *svp : &PL_sv_undef);
333 } 366 }
367 else
368 for (i = 0; i <= len; ++i)
369 {
370 SV *sv = AvARRAY (av)[i];
371 encode_sv (enc, sv ? sv : &PL_sv_undef);
372 }
334 373
335 --enc->depth; 374 --enc->depth;
336} 375}
337 376
338static void 377static void
… …
356 while ((he = hv_iternext (hv))) 395 while ((he = hv_iternext (hv)))
357 { 396 {
358 if (HeKLEN (he) == HEf_SVKEY) 397 if (HeKLEN (he) == HEf_SVKEY)
359 encode_sv (enc, HeSVKEY (he)); 398 encode_sv (enc, HeSVKEY (he));
360 else 399 else
361 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 400 encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
362 401
363 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 402 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
364 } 403 }
365 404
366 if (mg) 405 if (mg)
… …
442 481
443 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 482 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
444 { 483 {
445 dSP; 484 dSP;
446 485
447 ENTER; SAVETMPS; PUSHMARK (SP); 486 ENTER; SAVETMPS;
487 PUSHMARK (SP);
448 // we re-bless the reference to get overload and other niceties right 488 // we re-bless the reference to get overload and other niceties right
449 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 489 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
450 490
451 PUTBACK; 491 PUTBACK;
452 // G_SCALAR ensures that return value is 1 492 // G_SCALAR ensures that return value is 1
… …
465 } 505 }
466 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) 506 else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)
467 { 507 {
468 dSP; 508 dSP;
469 509
470 ENTER; SAVETMPS; PUSHMARK (SP); 510 ENTER; SAVETMPS;
511 SAVESTACK_POS ();
512 PUSHMARK (SP);
471 EXTEND (SP, 2); 513 EXTEND (SP, 2);
472 // we re-bless the reference to get overload and other niceties right 514 // we re-bless the reference to get overload and other niceties right
473 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 515 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
474 PUSHs (sv_cbor); 516 PUSHs (sv_cbor);
475 517
… …
481 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 523 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)); 524 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
483 525
484 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 526 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
485 encode_uint (enc, MAJOR_ARRAY, count + 1); 527 encode_uint (enc, MAJOR_ARRAY, count + 1);
486 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 528 encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
487 529
488 while (count) 530 while (count)
489 encode_sv (enc, SP[1 - count--]); 531 encode_sv (enc, SP[1 - count--]);
490 532
491 PUTBACK; 533 PUTBACK;
… …
550 592
551 if (SvPOKp (sv)) 593 if (SvPOKp (sv))
552 { 594 {
553 STRLEN len; 595 STRLEN len;
554 char *str = SvPV (sv, len); 596 char *str = SvPV (sv, len);
555 encode_strref (enc, SvUTF8 (sv), str, len); 597 encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len);
556 } 598 }
557 else if (SvNOKp (sv)) 599 else if (SvNOKp (sv))
558 encode_nv (enc, sv); 600 encode_nv (enc, sv);
559 else if (SvIOKp (sv)) 601 else if (SvIOKp (sv))
560 { 602 {
… …
577} 619}
578 620
579static SV * 621static SV *
580encode_cbor (SV *scalar, CBOR *cbor) 622encode_cbor (SV *scalar, CBOR *cbor)
581{ 623{
582 enc_t enc = { }; 624 enc_t enc = { 0 };
583 625
584 enc.cbor = *cbor; 626 enc.cbor = *cbor;
585 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 627 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
586 enc.cur = SvPVX (enc.sv); 628 enc.cur = SvPVX (enc.sv);
587 enc.end = SvEND (enc.sv); 629 enc.end = SvEND (enc.sv);
… …
619 U32 depth; // recursion depth 661 U32 depth; // recursion depth
620 U32 maxdepth; // recursion depth limit 662 U32 maxdepth; // recursion depth limit
621 AV *shareable; 663 AV *shareable;
622 AV *stringref; 664 AV *stringref;
623 SV *decode_tagged; 665 SV *decode_tagged;
666 SV *err_sv; // optional sv for error, needs to be freed
624} dec_t; 667} dec_t;
625 668
626#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 669// set dec->err to ERRSV
670ecb_cold static void
671err_errsv (dec_t *dec)
672{
673 if (!dec->err)
674 {
675 dec->err_sv = newSVsv (ERRSV);
627 676
628#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 677 // chop off the trailing \n
678 SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1);
679 *SvEND (dec->err_sv) = 0;
629 680
681 dec->err = SvPVutf8_nolen (dec->err_sv);
682 }
683}
684
685// the following functions are used to reduce code size and help the compiler to optimise
686ecb_cold static void
687err_set (dec_t *dec, const char *reason)
688{
689 if (!dec->err)
690 dec->err = reason;
691}
692
693ecb_cold static void
694err_unexpected_end (dec_t *dec)
695{
696 err_set (dec, "unexpected end of CBOR data");
697}
698
699ecb_cold static void
700err_nesting_exceeded (dec_t *dec)
701{
702 err_set (dec, ERR_NESTING_EXCEEDED);
703}
704
705#define ERR_DO(do) SB do; goto fail; SE
706#define ERR(reason) ERR_DO (err_set (dec, reason))
707#define ERR_ERRSV ERR_DO (err_errsv (dec))
708
709#define WANT(len) if (ecb_expect_false ((UV)(dec->end - dec->cur) < (UV)len)) ERR_DO (err_unexpected_end (dec))
710
630#define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) 711#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 712#define DEC_DEC_DEPTH --dec->depth
632 713
633static UV 714static UV
634decode_uint (dec_t *dec) 715decode_uint (dec_t *dec)
635{ 716{
… …
712 av_push (av, decode_sv (dec)); 793 av_push (av, decode_sv (dec));
713 } 794 }
714 } 795 }
715 else 796 else
716 { 797 {
717 int i, len = decode_uint (dec); 798 UV i, len = decode_uint (dec);
718 799
719 WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays 800 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); 801 av_fill (av, len - 1);
721 802
722 for (i = 0; i < len; ++i) 803 for (i = 0; i < len; ++i)
… …
739 // byte or utf-8 strings as keys, but only when !stringref 820 // byte or utf-8 strings as keys, but only when !stringref
740 821
741 if (ecb_expect_true (!dec->stringref)) 822 if (ecb_expect_true (!dec->stringref))
742 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) 823 if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8))
743 { 824 {
744 I32 len = decode_uint (dec); 825 STRLEN len = decode_uint (dec);
745 char *key = (char *)dec->cur; 826 char *key = (char *)dec->cur;
746 827
828 WANT (len);
747 dec->cur += len; 829 dec->cur += len;
748 830
749 hv_store (hv, key, len, decode_sv (dec), 0); 831 hv_store (hv, key, len, decode_sv (dec), 0);
750 832
751 return; 833 return;
752 } 834 }
753 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) 835 else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8))
754 { 836 {
755 I32 len = decode_uint (dec); 837 STRLEN len = decode_uint (dec);
756 char *key = (char *)dec->cur; 838 char *key = (char *)dec->cur;
757 839
840 WANT (len);
758 dec->cur += len; 841 dec->cur += len;
759 842
760 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) 843 if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
761 if (!is_utf8_string (key, len)) 844 if (!is_utf8_string (key, len))
762 ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); 845 ERR ("corrupted CBOR data (invalid UTF-8 in map key)");
… …
766 return; 849 return;
767 } 850 }
768 851
769 SV *k = decode_sv (dec); 852 SV *k = decode_sv (dec);
770 SV *v = decode_sv (dec); 853 SV *v = decode_sv (dec);
854
855 // we leak memory if uncaught exceptions are thrown by random magical
856 // methods, and this is hopefully the only place where it can happen,
857 // so if there is a chance of an exception, take the very slow path.
858 // since catching exceptions is "undocumented/internal/forbidden" by
859 // the new p5p powers, we need to call out to a perl function :/
860 if (ecb_expect_false (SvAMAGIC (k)))
861 {
862 dSP;
863
864 ENTER; SAVETMPS;
865 PUSHMARK (SP);
866 EXTEND (SP, 3);
867 PUSHs (sv_2mortal (newRV_inc ((SV *)hv)));
868 PUSHs (sv_2mortal (k));
869 PUSHs (sv_2mortal (v));
870
871 PUTBACK;
872 call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL);
873 SPAGAIN;
874
875 FREETMPS; LEAVE;
876
877 if (SvTRUE (ERRSV))
878 ERR_ERRSV;
879
880 return;
881 }
771 882
772 hv_store_ent (hv, k, v, 0); 883 hv_store_ent (hv, k, v, 0);
773 SvREFCNT_dec (k); 884 SvREFCNT_dec (k);
774 885
775fail: 886fail:
… …
800 decode_he (dec, hv); 911 decode_he (dec, hv);
801 } 912 }
802 } 913 }
803 else 914 else
804 { 915 {
805 int pairs = decode_uint (dec); 916 UV pairs = decode_uint (dec);
917
918 WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes
806 919
807 while (pairs--) 920 while (pairs--)
808 decode_he (dec, hv); 921 decode_he (dec, hv);
809 } 922 }
810 923
… …
898 sv = newRV_noinc (decode_sv (dec)); 1011 sv = newRV_noinc (decode_sv (dec));
899 break; 1012 break;
900 1013
901 case CBOR_TAG_STRINGREF_NAMESPACE: 1014 case CBOR_TAG_STRINGREF_NAMESPACE:
902 { 1015 {
1016 // do nmot use SAVETMPS/FREETMPS, as these will
1017 // erase mortalised caches, e.g. "shareable"
903 ENTER; SAVETMPS; 1018 ENTER;
904 1019
905 SAVESPTR (dec->stringref); 1020 SAVESPTR (dec->stringref);
906 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); 1021 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
907 1022
908 sv = decode_sv (dec); 1023 sv = decode_sv (dec);
909 1024
910 FREETMPS; LEAVE; 1025 LEAVE;
911 } 1026 }
912 break; 1027 break;
913 1028
914 case CBOR_TAG_STRINGREF: 1029 case CBOR_TAG_STRINGREF:
915 { 1030 {
… …
985 if (!method) 1100 if (!method)
986 ERR ("cannot decode perl-object (package does not have a THAW method)"); 1101 ERR ("cannot decode perl-object (package does not have a THAW method)");
987 1102
988 dSP; 1103 dSP;
989 1104
990 ENTER; SAVETMPS; PUSHMARK (SP); 1105 ENTER; SAVETMPS;
1106 PUSHMARK (SP);
991 EXTEND (SP, len + 1); 1107 EXTEND (SP, len + 1);
992 // we re-bless the reference to get overload and other niceties right 1108 // we re-bless the reference to get overload and other niceties right
993 PUSHs (*av_fetch (av, 0, 1)); 1109 PUSHs (*av_fetch (av, 0, 1));
994 PUSHs (sv_cbor); 1110 PUSHs (sv_cbor);
995 1111
… …
1003 SPAGAIN; 1119 SPAGAIN;
1004 1120
1005 if (SvTRUE (ERRSV)) 1121 if (SvTRUE (ERRSV))
1006 { 1122 {
1007 FREETMPS; LEAVE; 1123 FREETMPS; LEAVE;
1008 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1124 ERR_ERRSV;
1009 } 1125 }
1010 1126
1011 SvREFCNT_dec (sv); 1127 SvREFCNT_dec (sv);
1012 sv = SvREFCNT_inc (POPs); 1128 sv = SvREFCNT_inc (POPs);
1013 1129
… …
1017 } 1133 }
1018 break; 1134 break;
1019 1135
1020 default: 1136 default:
1021 { 1137 {
1138 SV *tag_sv = newSVuv (tag);
1139
1022 sv = decode_sv (dec); 1140 sv = decode_sv (dec);
1023 1141
1024 dSP; 1142 dSP;
1025 ENTER; SAVETMPS; PUSHMARK (SP); 1143 ENTER; SAVETMPS;
1144 SAVESTACK_POS ();
1145 PUSHMARK (SP);
1026 EXTEND (SP, 2); 1146 EXTEND (SP, 2);
1027 PUSHs (newSVuv (tag)); 1147 PUSHs (tag_sv);
1028 PUSHs (sv); 1148 PUSHs (sv);
1029 1149
1030 PUTBACK; 1150 PUTBACK;
1031 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); 1151 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
1032 SPAGAIN; 1152 SPAGAIN;
1033 1153
1034 if (SvTRUE (ERRSV)) 1154 if (SvTRUE (ERRSV))
1035 { 1155 {
1156 SvREFCNT_dec (tag_sv);
1036 FREETMPS; LEAVE; 1157 FREETMPS; LEAVE;
1037 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); 1158 ERR_ERRSV;
1038 } 1159 }
1039 1160
1040 if (count) 1161 if (count)
1041 { 1162 {
1163 SvREFCNT_dec (tag_sv);
1042 SvREFCNT_dec (sv); 1164 SvREFCNT_dec (sv);
1043 sv = SvREFCNT_inc (POPs); 1165 sv = SvREFCNT_inc (POPs);
1044 } 1166 }
1045 else 1167 else
1046 { 1168 {
1047 AV *av = newAV (); 1169 AV *av = newAV ();
1048 av_push (av, newSVuv (tag)); 1170 av_push (av, tag_sv);
1049 av_push (av, sv); 1171 av_push (av, sv);
1050 1172
1051 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 1173 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
1052 ? cbor_tagged_stash 1174 ? cbor_tagged_stash
1053 : gv_stashpv ("CBOR::XS::Tagged" , 1); 1175 : gv_stashpv ("CBOR::XS::Tagged" , 1);
… …
1156} 1278}
1157 1279
1158static SV * 1280static SV *
1159decode_cbor (SV *string, CBOR *cbor, char **offset_return) 1281decode_cbor (SV *string, CBOR *cbor, char **offset_return)
1160{ 1282{
1161 dec_t dec = { }; 1283 dec_t dec = { 0 };
1162 SV *sv; 1284 SV *sv;
1163 STRLEN len; 1285 STRLEN len;
1164 char *data = SvPVbyte (string, len); 1286 char *data = SvPVbyte (string, len);
1165 1287
1166 if (len > cbor->max_size && cbor->max_size) 1288 if (len > cbor->max_size && cbor->max_size)
… …
1182 1304
1183 if (dec.err) 1305 if (dec.err)
1184 { 1306 {
1185 if (dec.shareable) 1307 if (dec.shareable)
1186 { 1308 {
1187 // need to break cyclic links, which whould all be in shareable 1309 // need to break cyclic links, which would all be in shareable
1188 int i; 1310 int i;
1189 SV **svp; 1311 SV **svp;
1190 1312
1191 for (i = av_len (dec.shareable) + 1; i--; ) 1313 for (i = av_len (dec.shareable) + 1; i--; )
1192 if ((svp = av_fetch (dec.shareable, i, 0))) 1314 if ((svp = av_fetch (dec.shareable, i, 0)))
1193 sv_setsv (*svp, &PL_sv_undef); 1315 sv_setsv (*svp, &PL_sv_undef);
1194 } 1316 }
1195 1317
1196 SvREFCNT_dec (sv); 1318 SvREFCNT_dec (sv);
1319
1320 if (dec.err_sv)
1321 sv_2mortal (dec.err_sv);
1322
1197 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); 1323 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);
1198 } 1324 }
1199 1325
1200 sv = sv_2mortal (sv); 1326 sv = sv_2mortal (sv);
1201 1327
… …
1257 1383
1258 int major = *p >> MAJOR_SHIFT; 1384 int major = *p >> MAJOR_SHIFT;
1259 1385
1260 switch (major) 1386 switch (major)
1261 { 1387 {
1388 case MAJOR_TAG >> MAJOR_SHIFT:
1389 ++count; // tags merely prefix another value
1390 break;
1391
1262 case MAJOR_BYTES >> MAJOR_SHIFT: 1392 case MAJOR_BYTES >> MAJOR_SHIFT:
1263 case MAJOR_TEXT >> MAJOR_SHIFT: 1393 case MAJOR_TEXT >> MAJOR_SHIFT:
1264 case MAJOR_ARRAY >> MAJOR_SHIFT: 1394 case MAJOR_ARRAY >> MAJOR_SHIFT:
1265 case MAJOR_MAP >> MAJOR_SHIFT: 1395 case MAJOR_MAP >> MAJOR_SHIFT:
1266 { 1396 {
… …
1341 1471
1342 default_filter = newSVpv ("CBOR::XS::default_filter", 0); 1472 default_filter = newSVpv ("CBOR::XS::default_filter", 0);
1343 1473
1344 sv_cbor = newSVpv ("CBOR", 0); 1474 sv_cbor = newSVpv ("CBOR", 0);
1345 SvREADONLY_on (sv_cbor); 1475 SvREADONLY_on (sv_cbor);
1476
1477 assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1));
1346} 1478}
1347 1479
1348PROTOTYPES: DISABLE 1480PROTOTYPES: DISABLE
1349 1481
1350void CLONE (...) 1482void CLONE (...)
… …
1371 shrink = F_SHRINK 1503 shrink = F_SHRINK
1372 allow_unknown = F_ALLOW_UNKNOWN 1504 allow_unknown = F_ALLOW_UNKNOWN
1373 allow_sharing = F_ALLOW_SHARING 1505 allow_sharing = F_ALLOW_SHARING
1374 allow_cycles = F_ALLOW_CYCLES 1506 allow_cycles = F_ALLOW_CYCLES
1375 pack_strings = F_PACK_STRINGS 1507 pack_strings = F_PACK_STRINGS
1508 text_keys = F_TEXT_KEYS
1509 text_strings = F_TEXT_STRINGS
1376 validate_utf8 = F_VALIDATE_UTF8 1510 validate_utf8 = F_VALIDATE_UTF8
1377 PPCODE: 1511 PPCODE:
1378{ 1512{
1379 if (enable) 1513 if (enable)
1380 self->flags |= ix; 1514 self->flags |= ix;
… …
1389 get_shrink = F_SHRINK 1523 get_shrink = F_SHRINK
1390 get_allow_unknown = F_ALLOW_UNKNOWN 1524 get_allow_unknown = F_ALLOW_UNKNOWN
1391 get_allow_sharing = F_ALLOW_SHARING 1525 get_allow_sharing = F_ALLOW_SHARING
1392 get_allow_cycles = F_ALLOW_CYCLES 1526 get_allow_cycles = F_ALLOW_CYCLES
1393 get_pack_strings = F_PACK_STRINGS 1527 get_pack_strings = F_PACK_STRINGS
1528 get_text_keys = F_TEXT_KEYS
1529 get_text_strings = F_TEXT_STRINGS
1394 get_validate_utf8 = F_VALIDATE_UTF8 1530 get_validate_utf8 = F_VALIDATE_UTF8
1395 PPCODE: 1531 PPCODE:
1396 XPUSHs (boolSV (self->flags & ix)); 1532 XPUSHs (boolSV (self->flags & ix));
1397 1533
1398void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1534void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)

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