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Updated: Wednesday, July 27, 2022
 
 

CURLOPT_TFTP_NO_OPTIONS (3)

Name

CURLOPT_TFTP_NO_OPTIONS - send no TFTP options requests

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_NO_OPTIONS, long onoff);

Description

curl_easy_setopt options                            CURLOPT_TFTP_NO_OPTIONS(3)



NAME
       CURLOPT_TFTP_NO_OPTIONS - send no TFTP options requests

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_NO_OPTIONS, long onoff);

DESCRIPTION
       Set onoff to 1L to exclude all TFTP options defined in RFC2347, RFC2348
       and RFC2349 from read and write requests (RRQs/WRQs).

       This option improves interop with  some  legacy  servers  that  do  not
       acknowledge  or  properly  implement  TFTP options. When this option is
       used CURLOPT_TFTP_BLKSIZE(3) is ignored.

DEFAULT
       0

PROTOCOLS
       TFTP

EXAMPLE
       size_t write_callback(char *ptr, size_t size, size_t nmemb, void *fp)
       {
         return fwrite(ptr, size, nmemb, (FILE *)fp);
       }

       CURL *curl = curl_easy_init();
       if(curl) {
         FILE *fp = fopen("foo.bin", "wb");
         if(fp) {
           curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)fp);
           curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);

           curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/foo.bin");

           /* do not send TFTP options requests */
           curl_easy_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);

           /* Perform the request */
           curl_easy_perform(curl);

           fclose(fp);
         }
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.48.0

RETURN VALUE
       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
       if not.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+------------------+
       |ATTRIBUTE TYPE | ATTRIBUTE VALUE  |
       +---------------+------------------+
       |Availability   | web/curl         |
       +---------------+------------------+
       |Stability      | Uncommitted      |
       +---------------+------------------+

SEE ALSO
       CURLOPT_TFTP_BLKSIZE(3),



NOTES
       Source  code  for open source software components in Oracle Solaris can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This     software     was    built    from    source    available    at
       https://github.com/oracle/solaris-userland.   The  original   community
       source       was       downloaded      from       https://curl.se/down-
       load/curl-7.83.1.tar.bz2.

       Further information about this software can be found on the open source
       community website at http://curl.haxx.se/.



libcurl 7.83.1                 November 26, 2021
                                                    CURLOPT_TFTP_NO_OPTIONS(3)