1CURLOPT_TFTP_NO_OPTIONS(3) curl_easy_setopt options CURLOPT_TFTP_NO_OPTIONS(3)
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6 CURLOPT_TFTP_NO_OPTIONS - send no TFTP options requests
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9 #include <curl/curl.h>
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11 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_NO_OPTIONS, long onoff);
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14 Set onoff to 1L to exclude all TFTP options defined in RFC2347, RFC2348
15 and RFC2349 from read and write requests.
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17 This option improves interoperability with legacy servers that do not
18 acknowledge or properly implement TFTP options. When this option is
19 used CURLOPT_TFTP_BLKSIZE(3) is ignored.
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22 0
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25 TFTP
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28 size_t write_callback(char *ptr, size_t size, size_t nmemb, void *fp)
29 {
30 return fwrite(ptr, size, nmemb, (FILE *)fp);
31 }
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33 CURL *curl = curl_easy_init();
34 if(curl) {
35 FILE *fp = fopen("foo.bin", "wb");
36 if(fp) {
37 curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)fp);
38 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
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40 curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/foo.bin");
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42 /* do not send TFTP options requests */
43 curl_easy_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
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45 /* Perform the request */
46 curl_easy_perform(curl);
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48 fclose(fp);
49 }
50 curl_easy_cleanup(curl);
51 }
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54 Added in 7.48.0
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57 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
58 if not.
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61 CURLOPT_TFTP_BLKSIZE(3),
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65libcurl 8.0.1 January 02, 2023 CURLOPT_TFTP_NO_OPTIONS(3)