c – MsgPack中的free() delete不匹配

概述我尝试在我的程序中使用Msgpack. 有人可以帮助我使用msgpack wiki： http://wiki.msgpack.org/pages/viewpage.action?pageId=1081387中的下一个示例(流媒体功能),并提供更多使用此库和流媒体功能的正确示例. #include <msgpack.hpp> #include <iostream> #include <strin 我尝试在我的程序中使用Msgpack.
有人可以帮助我使用msgpack wiki： http://wiki.msgpack.org/pages/viewpage.action?pageId=1081387中的下一个示例(流媒体功能),并提供更多使用此库和流媒体功能的正确示例.

#include <msgpack.hpp> #include <iostream> #include <string> int main(voID) {     // serializes multiple objects using msgpack::packer.     msgpack::sbuffer buffer;     msgpack::packer<msgpack::sbuffer> pk(&buffer);     pk.pack(std::string("Log message ... 1"));     pk.pack(std::string("Log message ... 2"));     pk.pack(std::string("Log message ... 3"));     // deserializes these objects using msgpack::unpacker.     msgpack::unpacker pac;     // Feeds the buffer.     pac.reserve_buffer(buffer.size());     memcpy(pac.buffer(),buffer.data(),buffer.size());     pac.buffer_consumed(buffer.size());     // Now starts streaming deserialization.     msgpack::unpacked result;     while(pac.next(&result)) {         std::cout << result.get() << std::endl;     }     // results:     // $g++ stream.cc -lmsgpack -o stream     // $./stream     // "Log message ... 1"     // "Log message ... 2"     // "Log message ... 3" }

Valgrind说它有下一个错误：

==11325== 1 errors in context 1 of 2:==11325== Mismatched free() / delete / delete []==11325==    at 0x48CC919: operator delete(voID*) (vg_replace_malloc.c:387)==11325==    by 0x804A623: std::auto_ptr<msgpack::zone>::reset(msgpack::zone*) (auto_ptr.h:242)==11325==    by 0x804A2E1: msgpack::unpacker::next(msgpack::unpacked*) (unpack.hpp:229)==11325==    by 0x8049E93: main (pack2.cpp:24)==11325==  Address 0x6e447c0 is 0 bytes insIDe a block of size 8,220 alloc'd==11325==    at 0x48CD876: malloc (vg_replace_malloc.c:236)==11325==    by 0x48DABC9: msgpack_zone_new (zone.c:198)==11325==    by 0x48D811F: msgpack_unpacker_release_zone (unpack.c:333)==11325==    by 0x804A3DA: msgpack::unpacker::release_zone() (unpack.hpp:261)==11325==    by 0x804A31C: msgpack::unpacker::next(msgpack::unpacked*) (unpack.hpp:234)==11325==    by 0x8049E93: main (pack2.cpp:24)==11325== ==11325== ==11325== 2 errors in context 2 of 2:==11325== Mismatched free() / delete / delete []==11325==    at 0x48CC919: operator delete(voID*) (vg_replace_malloc.c:387)==11325==    by 0x804A623: std::auto_ptr<msgpack::zone>::reset(msgpack::zone*) (auto_ptr.h:242)==11325==    by 0x804A335: msgpack::unpacker::next(msgpack::unpacked*) (unpack.hpp:234)==11325==    by 0x8049E93: main (pack2.cpp:24)==11325==  Address 0x6e3c5c0 is 0 bytes insIDe a block of size 8,220 alloc'd==11325==    at 0x48CD876: malloc (vg_replace_malloc.c:236)==11325==    by 0x48DABC9: msgpack_zone_new (zone.c:198)==11325==    by 0x48D8211: msgpack_unpacker_init (unpack.c:194)==11325==    by 0x804A08D: msgpack::unpacker::unpacker(unsigned int) (unpack.hpp:187)==11325==    by 0x8049DC5: main (pack2.cpp:15)

解决方法 在这个例子中看起来一切正常.根据valgrind调用跟踪,这个BUG有些在Msgpack库中. 总结

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