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libssh2: convert over to use dynbuf

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In my very basic test that lists sftp://127.0.0.1/tmp/, this patched
code makes 161 allocations compared to 194 in git master. A 17%
reduction.

Closes #5336
This commit is contained in:
Daniel Stenberg 2020-05-04 14:44:07 +02:00
parent 8810064655
commit 44645ca8b0
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GPG key ID: 5CC908FDB71E12C2
2 changed files with 55 additions and 77 deletions
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6
lib/vssh/ssh.h
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@ -134,9 +134,7 @@ struct ssh_conn {
quote command fails) */
char *homedir; /* when doing SFTP we figure out home dir in the
connect phase */
size_t readdir_len, readdir_totalLen, readdir_currLen;
char *readdir_line;
char *readdir_linkPath;
/* end of READDIR stuff */
int secondCreateDirs; /* counter use by the code to see if the
@ -147,6 +145,8 @@ struct ssh_conn {
int orig_waitfor; /* default READ/WRITE bits wait for */
#if defined(USE_LIBSSH)
char *readdir_linkPath;
size_t readdir_len, readdir_totalLen, readdir_currLen;
/* our variables */
unsigned kbd_state; /* 0 or 1 */
ssh_key privkey;
@ -168,6 +168,8 @@ struct ssh_conn {
const char *readdir_longentry;
char *readdir_tmp;
#elif defined(USE_LIBSSH2)
struct dynbuf readdir_link;
struct dynbuf readdir;
char *readdir_filename;
char *readdir_longentry;