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CURLOPT_TFTP_NO_OPTIONS(3)          libcurl         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.

       This option improves interoperability with 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.


SEE ALSO

       CURLOPT_TFTP_BLKSIZE(3),

ibcurl 8.1.2                    April 26, 2023      CURLOPT_TFTP_NO_OPTIONS(3)

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