CURLOPT_TFTP_BLKSIZE(3) Library Functions Manual CURLOPT_TFTP_BLKSIZE(3)
NAME
CURLOPT_TFTP_BLKSIZE - TFTP block size
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_BLKSIZE, long blocksize);
DESCRIPTION
Specify blocksize to use for TFTP data transmission. Valid range as per
RFC 2348 is 8-65464 bytes. The default of 512 bytes is used if this
option is not specified. The specified block size is only used if
supported by the remote server. If the server does not return an option
acknowledgment or returns an option acknowledgment with no block size,
the default of 512 bytes is used.
DEFAULT
512
PROTOCOLS
This functionality affects tftp only
EXAMPLE
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/bootimage");
/* try using larger blocks */
curl_easy_setopt(curl, CURLOPT_TFTP_BLKSIZE, 2048L);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
AVAILABILITY
Added in curl 7.19.4
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_MAXFILESIZE(3)
libcurl 2025-02-08 CURLOPT_TFTP_BLKSIZE(3)
curl 8.12.0 - Generated Wed Feb 19 10:46:19 CST 2025