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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_COPYPOSTFIELDS.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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23 .TH CURLOPT_COPYPOSTFIELDS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
24 .SH NAME
25 CURLOPT_COPYPOSTFIELDS \- have libcurl copy data to POST
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_COPYPOSTFIELDS, char *data);
30 .SH DESCRIPTION
31 Pass a char * as parameter, which should be the full \fIdata\fP to post in a
32 HTTP POST operation. It behaves as the \fICURLOPT_POSTFIELDS(3)\fP option, but
33 the original data is instead copied by the library, allowing the application
34 to overwrite the original data after setting this option.
35
36 Because data are copied, care must be taken when using this option in
37 conjunction with \fICURLOPT_POSTFIELDSIZE(3)\fP or
38 \fICURLOPT_POSTFIELDSIZE_LARGE(3)\fP: If the size has not been set prior to
39 \fICURLOPT_COPYPOSTFIELDS(3)\fP, the data is assumed to be a zero terminated
40 string; else the stored size informs the library about the byte count to
41 copy. In any case, the size must not be changed after
42 \fICURLOPT_COPYPOSTFIELDS(3)\fP, unless another \fICURLOPT_POSTFIELDS(3)\fP or
43 \fICURLOPT_COPYPOSTFIELDS(3)\fP option is issued.
44 .SH DEFAULT
45 NULL
46 .SH PROTOCOLS
47 HTTP(S)
48 .SH EXAMPLE
49 .nf
50 CURL *curl = curl_easy_init();
51 if(curl) {
52 char local_buffer[1024]="data to send";
53 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
54
55 /* size of the data to copy from the buffer and send in the request */
56 curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 12L);
57
58 /* send data from the local stack */
59 curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, local_buffer);
60
61 curl_easy_perform(curl);
62 }
63 .fi
64 .SH AVAILABILITY
65 Added in 7.17.1
66 .SH RETURN VALUE
67 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
68 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
69 .SH "SEE ALSO"
70 .BR CURLOPT_POSTFIELDS "(3), " CURLOPT_POSTFIELDSIZE "(3), "