81 lines
2.5 KiB
Groff
81 lines
2.5 KiB
Groff
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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_TFTP_NO_OPTIONS 3 "23 Feb 2016" libcurl libcurl
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.SH NAME
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CURLOPT_TFTP_NO_OPTIONS \- send no TFTP options requests
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_NO_OPTIONS, long onoff);
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.fi
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.SH DESCRIPTION
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Set \fIonoff\fP to 1L to exclude all TFTP options defined in RFC 2347,
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RFC 2348 and RFC 2349 from read and write requests.
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This option improves interoperability with legacy servers that do not
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acknowledge or properly implement TFTP options. When this option is used
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\fICURLOPT_TFTP_BLKSIZE(3)\fP is ignored.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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TFTP
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.SH EXAMPLE
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.nf
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size_t write_callback(char *ptr, size_t size, size_t nmemb, void *fp)
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{
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return fwrite(ptr, size, nmemb, (FILE *)fp);
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}
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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FILE *fp = fopen("foo.bin", "wb");
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if(fp) {
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)fp);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
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curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/foo.bin");
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/* do not send TFTP options requests */
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curl_easy_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
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/* Perform the request */
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curl_easy_perform(curl);
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fclose(fp);
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.48.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLOPT_TFTP_BLKSIZE "(3), "
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