valgrind使用
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valgrind --tool=memcheck --log-file=log.txt --leak-check=full --show-leak-kinds=all ./test
=20790== ==20790== HEAP SUMMARY: ==20790== in use at exit: 73,088 bytes in 6 blocks ==20790== total heap usage: 14,543 allocs, 14,537 frees, 1,122,754 bytes allocated ==20790== ==20790== 32 bytes in 1 blocks are still reachable in loss record 1 of 6 ==20790== at 0x4C2FB55: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x5C4D626: _dlerror_run (dlerror.c:141) ==20790== by 0x5C4CFA0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==20790== by 0x50FB855: dlfcn_load (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5036053: DSO_load (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5112250: dynamic_ctrl (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x504A861: ENGINE_ctrl_cmd_string (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x504C16A: ENGINE_by_id (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x4F0715C: iwall::EcdsaSigner::MakeSignature(iwall::IKeyPair*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> >&) (ecdsa_signer.cpp:35) ==20790== by 0x4F2F6DF: IW_SAF_EccSign (iwall_saf_crypto.cpp:1513) ==20790== by 0x4F1D08E: IW_SAF_GetCertificateStatus (iwall_saf_cert.cpp:1221) ==20790== by 0x4F4948D: IW_GetCertificateStatus (iwall_pki.c:312) ==20790== ==20790== 51 bytes in 1 blocks are definitely lost in loss record 2 of 6 ==20790== at 0x4C2E0EF: operator new(unsigned long) (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x4F4C69C: void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) [clone .isra.28] (basic_string.tcc:223) ==20790== by 0x4F4CCF6: _M_construct_aux<char*> (basic_string.h:195) ==20790== by 0x4F4CCF6: _M_construct<char*> (basic_string.h:214) ==20790== by 0x4F4CCF6: basic_string (basic_string.h:400) ==20790== by 0x4F4CCF6: operator+<char, std::char_traits<char>, std::allocator<char> > (basic_string.h:4786) ==20790== by 0x4F4CCF6: iwall::HttpRequest::SyncRequest(iwall::HttpResponse&) (http_request.cpp:105) ==20790== by 0x4F4ABB2: iwall::HttpHandle::GetRequest(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int) (http_handle.cpp:18) ==20790== by 0x4F59EC2: iwall::X509CRL::CreateFromUrl(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (x509_crl.cpp:87) ==20790== by 0x4F105AB: IW_SAF_DownloadCrl (iwall_saf_cert.cpp:1741) ==20790== by 0x4F1B988: IW_SAF_VerifyCertificateByCrl (iwall_saf_cert.cpp:1865) ==20790== by 0x4F1CF53: IW_SAF_GetCertificateStatus (iwall_saf_cert.cpp:1172) ==20790== by 0x4F4948D: IW_GetCertificateStatus (iwall_pki.c:312) ==20790== by 0x401787: SF_CertificateManagement (iwall_ecc_demo.c:89) ==20790== by 0x4013DF: main (iwall_ecc_demo.c:512) ==20790== ==20790== 56 bytes in 1 blocks are indirectly lost in loss record 3 of 6 ==20790== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x506CADD: CRYPTO_zalloc (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x50A9466: CRYPTO_THREAD_lock_new (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x501FAC9: BIO_new (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5023315: BIO_new_fp (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x4F07D14: iwall::EcdsaSigner::MakeSignature(iwall::IKeyPair*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> >&) (ecdsa_signer.cpp:64) ==20790== by 0x4F2F6DF: IW_SAF_EccSign (iwall_saf_crypto.cpp:1513) ==20790== by 0x4F1D08E: IW_SAF_GetCertificateStatus (iwall_saf_cert.cpp:1221) ==20790== by 0x4F4948D: IW_GetCertificateStatus (iwall_pki.c:312) ==20790== by 0x401787: SF_CertificateManagement (iwall_ecc_demo.c:89) ==20790== by 0x4013DF: main (iwall_ecc_demo.c:512) ==20790== ==20790== 125 bytes in 1 blocks are still reachable in loss record 4 of 6 ==20790== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x56DB7E7: vasprintf (vasprintf.c:73) ==20790== by 0x56BAA66: asprintf (asprintf.c:35) ==20790== by 0x5C4D3B6: dlerror (dlerror.c:99) ==20790== by 0x50FB905: dlfcn_load (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5036053: DSO_load (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5112250: dynamic_ctrl (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x504A861: ENGINE_ctrl_cmd_string (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x504C16A: ENGINE_by_id (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x4F0715C: iwall::EcdsaSigner::MakeSignature(iwall::IKeyPair*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> >&) (ecdsa_signer.cpp:35) ==20790== by 0x4F2F6DF: IW_SAF_EccSign (iwall_saf_crypto.cpp:1513) ==20790== by 0x4F1D08E: IW_SAF_GetCertificateStatus (iwall_saf_cert.cpp:1221) ==20790== ==20790== 176 (120 direct, 56 indirect) bytes in 1 blocks are definitely lost in loss record 5 of 6 ==20790== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x506CADD: CRYPTO_zalloc (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x501FA8C: BIO_new (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x5023315: BIO_new_fp (in /mnt/hgfs/scm/scm/build/build_ubuntu/lib/libcyber.so) ==20790== by 0x4F07D14: iwall::EcdsaSigner::MakeSignature(iwall::IKeyPair*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> >&) (ecdsa_signer.cpp:64) ==20790== by 0x4F2F6DF: IW_SAF_EccSign (iwall_saf_crypto.cpp:1513) ==20790== by 0x4F1D08E: IW_SAF_GetCertificateStatus (iwall_saf_cert.cpp:1221) ==20790== by 0x4F4948D: IW_GetCertificateStatus (iwall_pki.c:312) ==20790== by 0x401787: SF_CertificateManagement (iwall_ecc_demo.c:89) ==20790== by 0x4013DF: main (iwall_ecc_demo.c:512) ==20790== ==20790== 72,704 bytes in 1 blocks are still reachable in loss record 6 of 6 ==20790== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==20790== by 0x5ED9EFF: ??? (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==20790== by 0x40106F9: call_init.part.0 (dl-init.c:72) ==20790== by 0x401080A: call_init (dl-init.c:30) ==20790== by 0x401080A: _dl_init (dl-init.c:120) ==20790== by 0x4000C69: ??? (in /lib/x86_64-linux-gnu/ld-2.23.so) ==20790== ==20790== LEAK SUMMARY: ==20790== definitely lost: 171 bytes in 2 blocks ==20790== indirectly lost: 56 bytes in 1 blocks ==20790== possibly lost: 0 bytes in 0 blocks ==20790== still reachable: 72,861 bytes in 3 blocks ==20790== suppressed: 0 bytes in 0 blocks ==20790== ==20790== For counts of detected and suppressed errors, rerun with: -v ==20790== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)
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