CURLOPT_HSTSWRITEDATA(3)

1CURLOPT_HSTSWRITEDATA(3)   curl_easy_setopt options   CURLOPT_HSTSWRITEDATA(3)
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NAME

6       CURLOPT_HSTSWRITEDATA - pointer passed to the HSTS write callback
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_HSTSWRITEDATA,  void
12       *pointer);
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DESCRIPTION

15       Data pointer to pass to the HSTS write function. If you  use  the  CUR‐
16       LOPT_HSTSWRITEFUNCTION(3) option, this is the pointer you'll get as in‐
17       put in the 4th argument to the callback.
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19       This option doesn't enable HSTS, you need to  use  CURLOPT_HSTS_CTRL(3)
20       to do that.
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DEFAULT

23       NULL
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PROTOCOLS

26       This feature is only used for HTTP(S) transfer.
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EXAMPLE

29       CURL *curl = curl_easy_init();
30       struct MyData this;
31       if(curl) {
32         curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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34         /* pass pointer that gets passed in to the
35            CURLOPT_HSTSWRITEFUNCTION callback */
36         curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, &this);
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38         curl_easy_perform(curl);
39       }
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AVAILABILITY

42       Added in 7.74.0
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RETURN VALUE

45       This will return CURLE_OK.
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