Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLMOPT_PUSHDATA.3 @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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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 - 2017, 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 CURLMOPT_PUSHDATA 3 "1 Jun 2015" "libcurl 7.44.0" "curl_multi_setopt options"
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24 .SH NAME
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25 CURLMOPT_PUSHDATA \- pointer to pass to push callback
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26 .SH SYNOPSIS
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27 .nf
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28 #include <curl/curl.h>
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29
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30 CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_PUSHDATA, void *pointer);
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31 .fi
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32 .SH DESCRIPTION
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33 Set \fIpointer\fP to pass as the last argument to the
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34 \fICURLMOPT_PUSHFUNCTION(3)\fP callback. The pointer will not be touched or
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35 used by libcurl itself, only passed on to the callback function.
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36 .SH DEFAULT
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37 NULL
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38 .SH PROTOCOLS
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39 HTTP(S)
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40 .SH EXAMPLE
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41 .nf
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42 /* only allow pushes for file names starting with "push-" */
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43 int push_callback(CURL *parent,
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44 CURL *easy,
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45 size_t num_headers,
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46 struct curl_pushheaders *headers,
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47 void *userp)
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48 {
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49 char *headp;
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50 int *transfers = (int *)userp;
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51 FILE *out;
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52 headp = curl_pushheader_byname(headers, ":path");
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53 if(headp && !strncmp(headp, "/push-", 6)) {
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54 fprintf(stderr, "The PATH is %s\\n", headp);
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55
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56 /* save the push here */
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57 out = fopen("pushed-stream", "wb");
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58
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59 /* write to this file */
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60 curl_easy_setopt(easy, CURLOPT_WRITEDATA, out);
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61
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62 (*transfers)++; /* one more */
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63
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64 return CURL_PUSH_OK;
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65 }
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66 return CURL_PUSH_DENY;
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67 }
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68
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69 curl_multi_setopt(multi, CURLMOPT_PUSHFUNCTION, push_callback);
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70 curl_multi_setopt(multi, CURLMOPT_PUSHDATA, &counter);
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71 .fi
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72 .SH AVAILABILITY
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73 Added in 7.44.0
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74 .SH RETURN VALUE
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75 Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
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76 .SH "SEE ALSO"
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77 .BR CURLMOPT_PUSHFUNCTION "(3), " CURLMOPT_PIPELINING "(3), "
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78 .BR CURLOPT_PIPEWAIT "(3), "
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79 .BR RFC 7540