Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_CHUNK_DATA.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +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 - 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 CURLOPT_CHUNK_DATA 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_CHUNK_DATA \- custom pointer to the FTP chunk callbacks
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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_CHUNK_DATA, void *pointer);
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30 .SH DESCRIPTION
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31 Pass a \fIpointer\fP that will be untouched by libcurl and passed as the ptr
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32 argument to the \fICURLOPT_CHUNK_BGN_FUNCTION(3)\fP and
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33 \fICURLOPT_CHUNK_END_FUNCTION(3)\fP.
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34 .SH DEFAULT
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35 NULL
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36 .SH PROTOCOLS
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37 FTP
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38 .SH EXAMPLE
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39 .nf
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40 static long file_is_coming(struct curl_fileinfo *finfo,
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41 struct callback_data *data,
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42 int remains)
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43 {
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44 printf("%3d %40s %10luB ", remains, finfo->filename,
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45 (unsigned long)finfo->size);
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46
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47 switch(finfo->filetype) {
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48 case CURLFILETYPE_DIRECTORY:
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49 printf(" DIR\\n");
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50 break;
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51 case CURLFILETYPE_FILE:
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52 printf("FILE ");
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53 break;
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54 default:
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55 printf("OTHER\\n");
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56 break;
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57 }
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58
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59 if(finfo->filetype == CURLFILETYPE_FILE) {
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60 /* do not transfer files >= 50B */
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61 if(finfo->size > 50) {
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62 printf("SKIPPED\\n");
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63 return CURL_CHUNK_BGN_FUNC_SKIP;
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64 }
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65
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66 data->output = fopen(finfo->filename, "wb");
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67 if(!data->output) {
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68 return CURL_CHUNK_BGN_FUNC_FAIL;
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69 }
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70 }
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71
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72 return CURL_CHUNK_BGN_FUNC_OK;
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73 }
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74
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75 int main()
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76 {
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77 /* data for callback */
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78 struct callback_data callback_info;
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79
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80 /* callback is called before download of concrete file started */
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81 curl_easy_setopt(curl, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming);
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82 curl_easy_setopt(curl, CURLOPT_CHUNK_DATA, &callback_info);
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83 }
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84 .fi
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85 .SH AVAILABILITY
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86 Added in 7.21.0
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87 .SH RETURN VALUE
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88 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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89 .SH "SEE ALSO"
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90 .BR CURLOPT_CHUNK_BGN_FUNCTION "(3), " CURLOPT_WILDCARDMATCH "(3), "