valgrind output:
==00:00:16:59.781 2189== 19 bytes in 1 blocks are indirectly lost in loss
record
 1 of 3
==00:00:16:59.781 2189==    at 0x401B504: malloc (vg_replace_malloc.c:149)
==00:00:16:59.781 2189==    by 0x804E2F1: curl_domalloc (memdebug.c:136)
==00:00:16:59.781 2189==    by 0x806D83C: libssh2_malloc (ssh.c:281)
==00:00:16:59.781 2189==    by 0x80878A2: libssh2_channel_open_ex
(channel.c:154
)
==00:00:16:59.781 2189==    by 0x808DDBB: libssh2_scp_send_ex (scp.c:599)
==00:00:16:59.781 2189==    by 0x8070CF9: ssh_statemach_act (ssh.c:1762)
==00:00:16:59.781 2189==    by 0x8071305: ssh_easy_statemach (ssh.c:1987)
==00:00:16:59.782 2189==    by 0x80714FA: scp_perform (ssh.c:2109)
==00:00:16:59.782 2189==    by 0x8071634: ssh_do (ssh.c:2167)
==00:00:16:59.782 2189==    by 0x805996E: Curl_do (url.c:4566)
==00:00:16:59.782 2189==    by 0x8062B9A: Curl_perform (transfer.c:2364)
==00:00:16:59.782 2189==    by 0x804D9BC: curl_easy_perform (easy.c:509)
==00:00:16:59.782 2189==    by 0x804B79C:
AMSC::CFileXferImple::upload(std::list
<std::string, std::allocator<std::string> > const&, std::string const&, bool)
(a
mscfilexfer.cpp:249)
==00:00:16:59.783 2189==    by 0x804C03C:
AMSC::CFileXfer::upload(std::list<std:
:string, std::allocator<std::string> > const&, std::string const&, bool)
(amscfi
lexfer.cpp:476)
==00:00:16:59.783 2189==    by 0x804CEEE: main (xfer_main.cpp:199)
==00:00:16:59.783 2189==
==00:00:16:59.783 2189==
==00:00:16:59.783 2189== 347 (328 direct, 19 indirect) bytes in 2 blocks are
def
initely lost in loss record 2 of 3
==00:00:16:59.783 2189==    at 0x401B504: malloc (vg_replace_malloc.c:149)
==00:00:16:59.783 2189==    by 0x804E2F1: curl_domalloc (memdebug.c:136)
==00:00:16:59.783 2189==    by 0x806D83C: libssh2_malloc (ssh.c:281)
==00:00:16:59.783 2189==    by 0x8087871: libssh2_channel_open_ex
(channel.c:144
)
==00:00:16:59.783 2189==    by 0x808DDBB: libssh2_scp_send_ex (scp.c:599)
==00:00:16:59.784 2189==    by 0x8070CF9: ssh_statemach_act (ssh.c:1762)
==00:00:16:59.784 2189==    by 0x8071305: ssh_easy_statemach (ssh.c:1987)
==00:00:16:59.784 2189==    by 0x80714FA: scp_perform (ssh.c:2109)
==00:00:16:59.784 2189==    by 0x8071634: ssh_do (ssh.c:2167)
==00:00:16:59.784 2189==    by 0x805996E: Curl_do (url.c:4566)
==00:00:16:59.784 2189==    by 0x8062B9A: Curl_perform (transfer.c:2364)
==00:00:16:59.784 2189==    by 0x804D9BC: curl_easy_perform (easy.c:509)
==00:00:16:59.784 2189==    by 0x804B79C:
AMSC::CFileXferImple::upload(std::list
<std::string, std::allocator<std::string> > const&, std::string const&, bool)
(a
mscfilexfer.cpp:249)
==00:00:16:59.785 2189==    by 0x804C03C:
AMSC::CFileXfer::upload(std::list<std:
:string, std::allocator<std::string> > const&, std::string const&, bool)
(amscfi
lexfer.cpp:476)
==00:00:16:59.785 2189==    by 0x804CEEE: main (xfer_main.cpp:199)
==00:00:16:59.785 2189==