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.TH CURLOPT_COPYPOSTFIELDS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_COPYPOSTFIELDS \- have libcurl copy data to POST
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_COPYPOSTFIELDS, char *data);
.SH DESCRIPTION
Pass a char * as parameter, which should be the full \fIdata\fP to post in a
HTTP POST operation. It behaves as the \fICURLOPT_POSTFIELDS(3)\fP option, but
the original data is instead copied by the library, allowing the application
to overwrite the original data after setting this option.

Because data are copied, care must be taken when using this option in
conjunction with \fICURLOPT_POSTFIELDSIZE(3)\fP or
\fICURLOPT_POSTFIELDSIZE_LARGE(3)\fP: If the size has not been set prior to
\fICURLOPT_COPYPOSTFIELDS(3)\fP, the data is assumed to be a zero terminated
string; else the stored size informs the library about the byte count to
copy. In any case, the size must not be changed after
\fICURLOPT_COPYPOSTFIELDS(3)\fP, unless another \fICURLOPT_POSTFIELDS(3)\fP or
\fICURLOPT_COPYPOSTFIELDS(3)\fP option is issued.
.SH DEFAULT
NULL
.SH PROTOCOLS
HTTP(S)
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  char local_buffer[1024]="data to send";
  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");

  /* size of the data to copy from the buffer and send in the request */
  curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 12L);

  /* send data from the local stack */
  curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, local_buffer);

  curl_easy_perform(curl);
}
.fi
.SH AVAILABILITY
Added in 7.17.1
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.

.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (5)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	web/curl
=
Stability	Uncommitted
.TE 
.PP
.SH "SEE ALSO"
.BR CURLOPT_POSTFIELDS "(3), " CURLOPT_POSTFIELDSIZE "(3), "


.SH NOTES

.\" Oracle has added source availability information to this manual page
This software was built from source available at https://java.net/projects/solaris-userland.  The original community source was downloaded from  http://curl.haxx.se/download/curl-7.45.0.tar.gz

Further information about this software can be found on the open source community website at http://curl.haxx.se/.