Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/curl_formget.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 - 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 .TH curl_formget 3 "20 June 2006" "libcurl 7.15.5" "libcurl Manual"
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23 .SH NAME
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24 curl_formget - serialize a previously built multipart/formdata HTTP POST chain
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25 .SH SYNOPSIS
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26 .nf
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27 .B #include <curl/curl.h>
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28
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29 int curl_formget(struct curl_httppost * form, void *userp,
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30 curl_formget_callback append );
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31 .SH DESCRIPTION
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32 curl_formget() is used to serialize data previously built/appended with
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33 \fIcurl_formadd(3)\fP. Accepts a void pointer as second argument named
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34 \fIuserp\fP which will be passed as the first argument to the
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35 curl_formget_callback function.
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37 .BI "typedef size_t (*curl_formget_callback)(void *" userp, " const char *" buf,
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38 .BI " size_t " len ");"
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39
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40 The curl_formget_callback will be executed for each part of the HTTP POST
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41 chain. The character buffer passed to the callback must not be freed. The
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42 callback should return the buffer length passed to it on success.
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43
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44 If the \fBCURLFORM_STREAM\fP option is used in the formpost, it will prevent
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45 \fIcurl_formget(3)\fP from working until you've performed the actual HTTP
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46 request as only then will libcurl get the actual read callback to use!
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47 .SH RETURN VALUE
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48 0 means everything was ok, non-zero means an error occurred
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49 .SH EXAMPLE
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50 .nf
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51
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52 size_t print_httppost_callback(void *arg, const char *buf, size_t len)
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53 {
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54 fwrite(buf, len, 1, stdout);
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55 (*(size_t *) arg) += len;
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56 return len;
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57 }
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58
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59 size_t print_httppost(struct curl_httppost *post)
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60 {
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61 size_t total_size = 0;
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62 if(curl_formget(post, &total_size, print_httppost_callback)) {
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63 return (size_t) -1;
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64 }
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65 return total_size;
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66 }
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67 .SH AVAILABILITY
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68 This function was added in libcurl 7.15.5. The form API is deprecated in
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69 libcurl 7.56.0.
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70 .SH "SEE ALSO"
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71 .BR curl_formadd "(3), " curl_mime_init "(3)"