CURLOPT_SSH_COMPRESSION(3) Library Functions Manual CURLOPT_SSH_COMPRESSION(3)
NAME
CURLOPT_SSH_COMPRESSION - enable SSH compression
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_COMPRESSION, long enable);
DESCRIPTION
Pass a long as parameter set to 1L to enable or 0L to disable.
Enables built-in SSH compression. This is a request, not an order; the
server may or may not do it.
DEFAULT
0, disabled
PROTOCOLS
This functionality affects scp and sftp
EXAMPLE
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com");
/* enable built-in compression */
curl_easy_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
/* Perform the request */
curl_easy_perform(curl);
}
}
AVAILABILITY
Added in curl 7.56.0
RETURN VALUE
curl_easy_setopt(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred,
see libcurl-errors(3).
SEE ALSO
CURLOPT_ACCEPT_ENCODING(3), CURLOPT_TRANSFER_ENCODING(3)
libcurl 2026-07-12 CURLOPT_SSH_COMPRESSION(3)
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