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https://github.com/moparisthebest/curl
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67 lines
2.5 KiB
Groff
67 lines
2.5 KiB
Groff
.\" **************************************************************************
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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) 1998 - 2014, 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 http://curl.haxx.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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.\" **************************************************************************
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.\"
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.TH CURLOPT_RANGE 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_RANGE \- set byte range to request
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANGE, char *range);
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.SH DESCRIPTION
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Pass a char * as parameter, which should contain the specified range you want
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to retrieve. It should be in the format "X-Y", where either X or Y may be left
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out and X and Y are byte indexes.
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HTTP transfers also support several intervals, separated with commas as in
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\fI"X-Y,N-M"\fP. Using this kind of multiple intervals will cause the HTTP
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server to send the response document in pieces (using standard MIME separation
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techniques). For RTSP, the formatting of a range should follow RFC2326 Section
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12.29. For RTSP, byte ranges are \fBnot\fP permitted. Instead, ranges should
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be given in npt, utc, or smpte formats.
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Pass a NULL to this option to disable the use of ranges.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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HTTP, FTP, FILE, RTSP and SFTP.
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* get the first 200 bytes */
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curl_easy_setopt(curl, CURLOPT_RANGE, "0-199");
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/* Perform the request */
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curl_easy_perform(curl);
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}
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.fi
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.SH AVAILABILITY
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FILE since 7.18.0, RTSP since 7.20.0
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.SH RETURN VALUE
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Returns CURLE_OK on success or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
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.BR CURLOPT_RESUME_FROM "(3), "
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