ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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(http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Dmitry Stogov | +----------------------------------------------------------------------+ */ #ifndef _ZEND_ARENA_H_ #define _ZEND_ARENA_H_ #include "zend.h" #ifndef ZEND_TRACK_ARENA_ALLOC typedef struct _zend_arena zend_arena; struct _zend_arena { char *ptr; char *end; zend_arena *prev; }; static zend_always_inline zend_arena* zend_arena_create(size_t size) { zend_arena *arena = (zend_arena*)emalloc(size); arena->ptr = (char*) arena + ZEND_MM_ALIGNED_SIZE(sizeof(zend_arena)); arena->end = (char*) arena + size; arena->prev = NULL; return arena; } static zend_always_inline void zend_arena_destroy(zend_arena *arena) { do { zend_arena *prev = arena->prev; efree(arena); arena = prev; } while (arena); } static zend_always_inline void* zend_arena_alloc(zend_arena **arena_ptr, size_t size) { zend_arena *arena = *arena_ptr; char *ptr = arena->ptr; size = ZEND_MM_ALIGNED_SIZE(size); if (EXPECTED(size <= (size_t)(arena->end - ptr))) { arena->ptr = ptr + size; } else { size_t arena_size = UNEXPECTED((size + ZEND_MM_ALIGNED_SIZE(sizeof(zend_arena))) > (size_t)(arena->end - (char*) arena)) ? (size + ZEND_MM_ALIGNED_SIZE(sizeof(zend_arena))) : (size_t)(arena->end - (char*) arena); zend_arena *new_arena = (zend_arena*)emalloc(arena_size); ptr = (char*) new_arena + ZEND_MM_ALIGNED_SIZE(sizeof(zend_arena)); new_arena->ptr = (char*) new_arena + ZEND_MM_ALIGNED_SIZE(sizeof(zend_arena)) + size; new_arena->end = (char*) new_arena + arena_size; new_arena->prev = arena; *arena_ptr = new_arena; } return (void*) ptr; } static zend_always_inline void* zend_arena_calloc(zend_arena **arena_ptr, size_t count, size_t unit_size) { bool overflow; size_t size; void *ret; size = zend_safe_address(unit_size, count, 0, &overflow); if (UNEXPECTED(overflow)) { zend_error(E_ERROR, "Possible integer overflow in zend_arena_calloc() (%zu * %zu)", unit_size, count); } ret = zend_arena_alloc(arena_ptr, size); memset(ret, 0, size); return ret; } static zend_always_inline void* zend_arena_checkpoint(zend_arena *arena) { return arena->ptr; } static zend_always_inline void zend_arena_release(zend_arena **arena_ptr, void *checkpoint) { zend_arena *arena = *arena_ptr; while (UNEXPECTED((char*)checkpoint > arena->end) || UNEXPECTED((char*)checkpoint <= (char*)arena)) { zend_arena *prev = arena->prev; efree(arena); *arena_ptr = arena = prev; } ZEND_ASSERT((char*)checkpoint > (char*)arena && (char*)checkpoint <= arena->end); arena->ptr = (char*)checkpoint; } static zend_always_inline bool zend_arena_contains(zend_arena *arena, void *ptr) { while (arena) { if ((char*)ptr > (char*)arena && (char*)ptr <= arena->ptr) { return 1; } arena = arena->prev; } return 0; } #else /* Use normal allocations and keep track of them for mass-freeing. * This is intended for use with asan/valgrind. */ typedef struct _zend_arena zend_arena; struct _zend_arena { void **ptr; void **end; struct _zend_arena *prev; void *ptrs[0]; }; #define ZEND_TRACKED_ARENA_SIZE 1000 static zend_always_inline zend_arena *zend_arena_create(size_t _size) { zend_arena *arena = (zend_arena*) emalloc( sizeof(zend_arena) + sizeof(void *) * ZEND_TRACKED_ARENA_SIZE); arena->ptr = &arena->ptrs[0]; arena->end = &arena->ptrs[ZEND_TRACKED_ARENA_SIZE]; arena->prev = NULL; return arena; } static zend_always_inline void zend_arena_destroy(zend_arena *arena) { do { zend_arena *prev = arena->prev; void **ptr; for (ptr = arena->ptrs; ptr < arena->ptr; ptr++) { efree(*ptr); } efree(arena); arena = prev; } while (arena); } static zend_always_inline void *zend_arena_alloc(zend_arena **arena_ptr, size_t size) { zend_arena *arena = *arena_ptr; if (arena->ptr == arena->end) { *arena_ptr = zend_arena_create(0); (*arena_ptr)->prev = arena; arena = *arena_ptr; } return *arena->ptr++ = emalloc(size); } static zend_always_inline void* zend_arena_calloc(zend_arena **arena_ptr, size_t count, size_t unit_size) { bool overflow; size_t size; void *ret; size = zend_safe_address(unit_size, count, 0, &overflow); if (UNEXPECTED(overflow)) { zend_error(E_ERROR, "Possible integer overflow in zend_arena_calloc() (%zu * %zu)", unit_size, count); } ret = zend_arena_alloc(arena_ptr, size); memset(ret, 0, size); return ret; } static zend_always_inline void* zend_arena_checkpoint(zend_arena *arena) { return arena->ptr; } static zend_always_inline void zend_arena_release(zend_arena **arena_ptr, void *checkpoint) { while (1) { zend_arena *arena = *arena_ptr; zend_arena *prev = arena->prev; while (1) { if (arena->ptr == (void **) checkpoint) { return; } if (arena->ptr == arena->ptrs) { break; } arena->ptr--; efree(*arena->ptr); } efree(arena); *arena_ptr = prev; ZEND_ASSERT(*arena_ptr); } } static zend_always_inline bool zend_arena_contains(zend_arena *arena, void *ptr) { /* TODO: Dummy */ return 1; } #endif #endif /* _ZEND_ARENA_H_ */