Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_READDATA.3 @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_READDATA 3 "16 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_READDATA \- custom pointer passed to the read callback
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_READDATA, void *pointer);
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30 .SH DESCRIPTION
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31 Data \fIpointer\fP to pass to the file read function. If you use the
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32 \fICURLOPT_READFUNCTION(3)\fP option, this is the pointer you'll get as
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33 input in the 4th argument to the callback.
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34
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35 If you don't specify a read callback but instead rely on the default internal
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36 read function, this data must be a valid readable FILE * (cast to 'void *').
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37
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38 If you're using libcurl as a win32 DLL, you \fBMUST\fP use a
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39 \fICURLOPT_READFUNCTION(3)\fP if you set this option or you will experience
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40 crashes.
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41 .SH DEFAULT
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42 By default, this is a FILE * to stdin.
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43 .SH PROTOCOLS
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44 This is used for all protocols when sending data.
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45 .SH EXAMPLE
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46 .nf
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47 CURL *curl = curl_easy_init();
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48 struct MyData this;
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49 if(curl) {
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50 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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51
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52 /* pass pointer that gets passed in to the
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53 CURLOPT_READFUNCTION callback */
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54 curl_easy_setopt(curl, CURLOPT_READDATA, &this);
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55
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56 curl_easy_perform(curl);
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57 }
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58 .fi
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59 .SH AVAILABILITY
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60 This option was once known by the older name CURLOPT_INFILE, the name
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61 \fICURLOPT_READDATA(3)\fP was introduced in 7.9.7.
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62 .SH RETURN VALUE
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63 This will return CURLE_OK.
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64 .SH "SEE ALSO"
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65 .BR CURLOPT_READFUNCTION "(3), " CURLOPT_WRITEDATA "(3), "