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repo/core/curl/files/CURLOPT_HSTSWRITEDATA.3

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.\" generated by cd2nroff 0.1 from CURLOPT_HSTSWRITEDATA.md
2024-06-01 14:49:19 -06:00
.TH CURLOPT_HSTSWRITEDATA 3 "2024-06-01" libcurl
.SH NAME
CURLOPT_HSTSWRITEDATA \- pointer passed to the HSTS write callback
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HSTSWRITEDATA, void *pointer);
.fi
.SH DESCRIPTION
Data \fIpointer\fP to pass to the HSTS write function. If you use the
\fICURLOPT_HSTSWRITEFUNCTION(3)\fP option, this is the pointer you get as
input in the fourth argument to the callback.
This option does not enable HSTS, you need to use \fICURLOPT_HSTS_CTRL(3)\fP to
do that.
.SH DEFAULT
NULL
.SH PROTOCOLS
2024-03-30 12:28:04 -06:00
HTTP
.SH EXAMPLE
.nf
struct MyData {
void *custom;
};
int main(void)
{
CURL *curl = curl_easy_init();
struct MyData this;
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
/* pass pointer that gets passed in to the
CURLOPT_HSTSWRITEFUNCTION callback */
curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, &this);
curl_easy_perform(curl);
}
}
.fi
.SH AVAILABILITY
Added in 7.74.0
.SH RETURN VALUE
This returns CURLE_OK.
.SH SEE ALSO
.BR CURLOPT_HSTS (3),
.BR CURLOPT_HSTSREADDATA (3),
.BR CURLOPT_HSTSREADFUNCTION (3),
.BR CURLOPT_HSTSWRITEFUNCTION (3)