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Comparing JSON-XS/XS.xs (file contents):
Revision 1.90 by root, Sun Jul 20 17:55:19 2008 UTC vs.
Revision 1.95 by root, Sun Feb 22 06:55:28 2009 UTC

… …
194INLINE void 194INLINE void
195need (enc_t *enc, STRLEN len) 195need (enc_t *enc, STRLEN len)
196{ 196{
197 if (expect_false (enc->cur + len >= enc->end)) 197 if (expect_false (enc->cur + len >= enc->end))
198 { 198 {
199 STRLEN cur = enc->cur - SvPVX (enc->sv); 199 STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
200 SvGROW (enc->sv, cur + len + 1); 200 SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
201 enc->cur = SvPVX (enc->sv) + cur; 201 enc->cur = SvPVX (enc->sv) + cur;
202 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; 202 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
203 } 203 }
204} 204}
205 205
… …
280 (int)((uch - 0x10000) % 0x400 + 0xDC00)); 280 (int)((uch - 0x10000) % 0x400 + 0xDC00));
281 enc->cur += 12; 281 enc->cur += 12;
282 } 282 }
283 else 283 else
284 { 284 {
285 static char hexdigit [16] = "0123456789abcdef";
286 need (enc, len += 5); 285 need (enc, len += 5);
287 *enc->cur++ = '\\'; 286 *enc->cur++ = '\\';
288 *enc->cur++ = 'u'; 287 *enc->cur++ = 'u';
289 *enc->cur++ = hexdigit [ uch >> 12 ]; 288 *enc->cur++ = PL_hexdigit [ uch >> 12 ];
290 *enc->cur++ = hexdigit [(uch >> 8) & 15]; 289 *enc->cur++ = PL_hexdigit [(uch >> 8) & 15];
291 *enc->cur++ = hexdigit [(uch >> 4) & 15]; 290 *enc->cur++ = PL_hexdigit [(uch >> 4) & 15];
292 *enc->cur++ = hexdigit [(uch >> 0) & 15]; 291 *enc->cur++ = PL_hexdigit [(uch >> 0) & 15];
293 } 292 }
294 293
295 str += clen; 294 str += clen;
296 } 295 }
297 else if (enc->json.flags & F_LATIN1) 296 else if (enc->json.flags & F_LATIN1)
… …
461 460
462 encode_ch (enc, '{'); 461 encode_ch (enc, '{');
463 462
464 // for canonical output we have to sort by keys first 463 // for canonical output we have to sort by keys first
465 // actually, this is mostly due to the stupid so-called 464 // actually, this is mostly due to the stupid so-called
466 // security workaround added somewhere in 5.8.x. 465 // security workaround added somewhere in 5.8.x
467 // that randomises hash orderings 466 // that randomises hash orderings
468 if (enc->json.flags & F_CANONICAL) 467 if (enc->json.flags & F_CANONICAL)
469 { 468 {
470 int count = hv_iterinit (hv); 469 int count = hv_iterinit (hv);
471 470
… …
971 { 970 {
972 STRLEN len = cur - buf; 971 STRLEN len = cur - buf;
973 972
974 if (sv) 973 if (sv)
975 { 974 {
976 SvGROW (sv, SvCUR (sv) + len + 1); 975 STRLEN cur = SvCUR (sv);
976
977 if (SvLEN (sv) <= cur + len)
978 SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
979
977 memcpy (SvPVX (sv) + SvCUR (sv), buf, len); 980 memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
978 SvCUR_set (sv, SvCUR (sv) + len); 981 SvCUR_set (sv, SvCUR (sv) + len);
979 } 982 }
980 else 983 else
981 sv = newSVpvn (buf, len); 984 sv = newSVpvn (buf, len);
… …
1411{ 1414{
1412 dec_t dec; 1415 dec_t dec;
1413 STRLEN offset; 1416 STRLEN offset;
1414 SV *sv; 1417 SV *sv;
1415 1418
1419 /* work around bugs in 5.10 where manipulating magic values
1420 * will perl ignore the magic in subsequent accesses
1421 */
1416 SvGETMAGIC (string); 1422 /*SvGETMAGIC (string);*/
1423 if (SvMAGICAL (string))
1424 string = sv_2mortal (newSVsv (string));
1425
1417 SvUPGRADE (string, SVt_PV); 1426 SvUPGRADE (string, SVt_PV);
1418 1427
1419 /* work around a bug in perl 5.10, which causes SvCUR to fail an 1428 /* work around a bug in perl 5.10, which causes SvCUR to fail an
1420 * assertion with -DDEBUGGING, although SvCUR is documented to 1429 * assertion with -DDEBUGGING, although SvCUR is documented to
1421 * return the xpv_cur field which certainly exists after upgrading. 1430 * return the xpv_cur field which certainly exists after upgrading.
… …
1800 } 1809 }
1801 1810
1802 { 1811 {
1803 STRLEN len; 1812 STRLEN len;
1804 const char *str = SvPV (jsonstr, len); 1813 const char *str = SvPV (jsonstr, len);
1805 SvGROW (self->incr_text, SvCUR (self->incr_text) + len + 1); 1814 STRLEN cur = SvCUR (self->incr_text);
1815
1816 if (SvLEN (self->incr_text) <= cur + len)
1817 SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
1818
1806 Move (str, SvEND (self->incr_text), len, char); 1819 Move (str, SvEND (self->incr_text), len, char);
1807 SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); 1820 SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);
1808 *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there 1821 *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there
1809 } 1822 }
1810 } 1823 }

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