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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.59 by root, Fri Nov 25 23:37:27 2016 UTC vs.
Revision 1.62 by root, Sat Nov 26 02:11:52 2016 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
… …
99 100
100#define F_SHRINK 0x00000001UL 101#define F_SHRINK 0x00000001UL
101#define F_ALLOW_UNKNOWN 0x00000002UL 102#define F_ALLOW_UNKNOWN 0x00000002UL
102#define F_ALLOW_SHARING 0x00000004UL 103#define F_ALLOW_SHARING 0x00000004UL
103#define F_ALLOW_CYCLES 0x00000008UL 104#define F_ALLOW_CYCLES 0x00000008UL
105#define F_FORBID_OBJECTS 0x00000010UL
104#define F_PACK_STRINGS 0x00000010UL 106#define F_PACK_STRINGS 0x00000020UL
105#define F_TEXT_KEYS 0x00000020UL 107#define F_TEXT_KEYS 0x00000040UL
106#define F_TEXT_STRINGS 0x00000040UL 108#define F_TEXT_STRINGS 0x00000080UL
107#define F_VALIDATE_UTF8 0x00000080UL 109#define F_VALIDATE_UTF8 0x00000100UL
108 110
109#define INIT_SIZE 32 // initial scalar size to be allocated 111#define INIT_SIZE 32 // initial scalar size to be allocated
110 112
111#define SB do { 113#define SB do {
112#define SE } while (0) 114#define SE } while (0)
… …
185 187
186// minimum length of a string to be registered for stringref 188// minimum length of a string to be registered for stringref
187ecb_inline int 189ecb_inline int
188minimum_string_length (UV idx) 190minimum_string_length (UV idx)
189{ 191{
190 return idx > 23 192 return idx <= 23 ? 3
191 ? idx > 0xffU 193 : idx <= 0xffU ? 4
192 ? idx > 0xffffU 194 : idx <= 0xffffU ? 5
193 ? idx > 0xffffffffU 195 : idx <= 0xffffffffU ? 7
194 ? 11 196 : 11;
195 : 7
196 : 5
197 : 4
198 : 3;
199} 197}
200 198
201///////////////////////////////////////////////////////////////////////////// 199/////////////////////////////////////////////////////////////////////////////
202// encoder 200// encoder
203 201
… …
216} enc_t; 214} enc_t;
217 215
218ecb_inline void 216ecb_inline void
219need (enc_t *enc, STRLEN len) 217need (enc_t *enc, STRLEN len)
220{ 218{
221 if (ecb_expect_false (enc->cur + len >= enc->end)) 219 if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len))
222 { 220 {
223 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); 221 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
224 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); 222 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
225 enc->cur = SvPVX (enc->sv) + cur; 223 enc->cur = SvPVX (enc->sv) + cur;
226 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; 224 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
… …
477 if (ecb_expect_false (SvOBJECT (sv))) 475 if (ecb_expect_false (SvOBJECT (sv)))
478 { 476 {
479 HV *stash = SvSTASH (sv); 477 HV *stash = SvSTASH (sv);
480 GV *method; 478 GV *method;
481 479
480 if (enc->cbor.flags & F_FORBID_OBJECTS)
481 croak ("encountered object '%s', but forbid_objects is enabled",
482 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
482 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 483 else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
483 { 484 {
484 dSP; 485 dSP;
485 486
486 ENTER; SAVETMPS; 487 ENTER; SAVETMPS;
487 PUSHMARK (SP); 488 PUSHMARK (SP);
… …
704 705
705#define ERR_DO(do) SB do; goto fail; SE 706#define ERR_DO(do) SB do; goto fail; SE
706#define ERR(reason) ERR_DO (err_set (dec, reason)) 707#define ERR(reason) ERR_DO (err_set (dec, reason))
707#define ERR_ERRSV ERR_DO (err_errsv (dec)) 708#define ERR_ERRSV ERR_DO (err_errsv (dec))
708 709
709#define WANT(len) if (ecb_expect_false ((UV)(dec->end - dec->cur) < (UV)len)) ERR_DO (err_unexpected_end (dec)) 710#define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec))
710 711
711#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) 712#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED)
712#define DEC_DEC_DEPTH --dec->depth 713#define DEC_DEC_DEPTH --dec->depth
713 714
714static UV 715static UV
… …
1081 } 1082 }
1082 break; 1083 break;
1083 1084
1084 case CBOR_TAG_PERL_OBJECT: 1085 case CBOR_TAG_PERL_OBJECT:
1085 { 1086 {
1087 if (dec->cbor.flags & F_FORBID_OBJECTS)
1088 goto filter;
1089
1086 sv = decode_sv (dec); 1090 sv = decode_sv (dec);
1087 1091
1088 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) 1092 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1089 ERR ("corrupted CBOR data (non-array perl object)"); 1093 ERR ("corrupted CBOR data (non-array perl object)");
1090 1094
… …
1132 FREETMPS; LEAVE; 1136 FREETMPS; LEAVE;
1133 } 1137 }
1134 break; 1138 break;
1135 1139
1136 default: 1140 default:
1141 filter:
1137 { 1142 {
1138 SV *tag_sv = newSVuv (tag); 1143 SV *tag_sv = newSVuv (tag);
1139 1144
1140 sv = decode_sv (dec); 1145 sv = decode_sv (dec);
1141 1146
… …
1502 ALIAS: 1507 ALIAS:
1503 shrink = F_SHRINK 1508 shrink = F_SHRINK
1504 allow_unknown = F_ALLOW_UNKNOWN 1509 allow_unknown = F_ALLOW_UNKNOWN
1505 allow_sharing = F_ALLOW_SHARING 1510 allow_sharing = F_ALLOW_SHARING
1506 allow_cycles = F_ALLOW_CYCLES 1511 allow_cycles = F_ALLOW_CYCLES
1512 forbid_objects = F_FORBID_OBJECTS
1507 pack_strings = F_PACK_STRINGS 1513 pack_strings = F_PACK_STRINGS
1508 text_keys = F_TEXT_KEYS 1514 text_keys = F_TEXT_KEYS
1509 text_strings = F_TEXT_STRINGS 1515 text_strings = F_TEXT_STRINGS
1510 validate_utf8 = F_VALIDATE_UTF8 1516 validate_utf8 = F_VALIDATE_UTF8
1511 PPCODE: 1517 PPCODE:
… …
1522 ALIAS: 1528 ALIAS:
1523 get_shrink = F_SHRINK 1529 get_shrink = F_SHRINK
1524 get_allow_unknown = F_ALLOW_UNKNOWN 1530 get_allow_unknown = F_ALLOW_UNKNOWN
1525 get_allow_sharing = F_ALLOW_SHARING 1531 get_allow_sharing = F_ALLOW_SHARING
1526 get_allow_cycles = F_ALLOW_CYCLES 1532 get_allow_cycles = F_ALLOW_CYCLES
1533 get_forbid_objects = F_FORBID_OBJECTS
1527 get_pack_strings = F_PACK_STRINGS 1534 get_pack_strings = F_PACK_STRINGS
1528 get_text_keys = F_TEXT_KEYS 1535 get_text_keys = F_TEXT_KEYS
1529 get_text_strings = F_TEXT_STRINGS 1536 get_text_strings = F_TEXT_STRINGS
1530 get_validate_utf8 = F_VALIDATE_UTF8 1537 get_validate_utf8 = F_VALIDATE_UTF8
1531 PPCODE: 1538 PPCODE:

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