Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_POSTFIELDS.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 - 2018, 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_POSTFIELDS 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_POSTFIELDS \- specify data to POST to server
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDS, char *postdata);
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30 .SH DESCRIPTION
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31 Pass a char * as parameter, pointing to the full data to send in an HTTP POST
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32 operation. You must make sure that the data is formatted the way you want the
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33 server to receive it. libcurl will not convert or encode it for you in any
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34 way. For example, the web server may assume that this data is url-encoded.
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35
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36 The data pointed to is NOT copied by the library: as a consequence, it must be
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37 preserved by the calling application until the associated transfer finishes.
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38 This behaviour can be changed (so libcurl does copy the data) by setting the
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39 \fICURLOPT_COPYPOSTFIELDS(3)\fP option.
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40
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41 This POST is a normal application/x-www-form-urlencoded kind (and libcurl will
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42 set that Content-Type by default when this option is used), which is commonly
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43 used by HTML forms. Change Content-Type with \fICURLOPT_HTTPHEADER(3)\fP.
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44
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45 You can use \fIcurl_easy_escape(3)\fP to url-encode your data, if necessary. It
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46 returns a pointer to an encoded string that can be passed as \fIpostdata\fP.
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47
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48 Using \fICURLOPT_POSTFIELDS(3)\fP implies setting \fICURLOPT_POST(3)\fP to 1.
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49
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50 If \fICURLOPT_POSTFIELDS(3)\fP is explicitly set to NULL then libcurl will get
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51 the POST data from the read callback. If you want to send a zero-byte POST set
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52 \fICURLOPT_POSTFIELDS(3)\fP to an empty string, or set \fICURLOPT_POST(3)\fP to
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53 1 and \fICURLOPT_POSTFIELDSIZE(3)\fP to 0.
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54
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55 Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header,
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56 and libcurl will add that header automatically if the POST is either known to
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57 be larger than 1024 bytes or if the expected size is unknown. You can disable
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58 this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.
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59
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60 To make multipart/formdata posts (aka RFC2388-posts), check out the
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61 \fICURLOPT_HTTPPOST(3)\fP option combined with \fIcurl_formadd(3)\fP.
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62 .SH DEFAULT
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63 NULL
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64 .SH PROTOCOLS
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65 HTTP
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66 .SH EXAMPLE
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67 .nf
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68 CURL *curl = curl_easy_init();
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69 if(curl) {
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70 const char *data = "data to send";
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71
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72 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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73
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74 /* size of the POST data */
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75 curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 12L);
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76
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77 /* pass in a pointer to the data - libcurl will not copy */
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78 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
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79
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80 curl_easy_perform(curl);
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81 }
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82 .fi
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83 .SH AVAILABILITY
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84 Always
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85 .SH RETURN VALUE
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86 Returns CURLE_OK
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87 .SH "SEE ALSO"
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88 .BR CURLOPT_POSTFIELDSIZE "(3), " CURLOPT_READFUNCTION "(3), "