CURLOPT_DEBUGDATA(3)

pointer passed to the debug callback

Section 3 libcurl4-doc bookworm source

Description

CURLOPT_DEBUGDATA

NAME

CURLOPT_DEBUGDATA - pointer passed to the debug callback

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DEBUGDATA, void *pointer);

DESCRIPTION

Pass a pointer to whatever you want passed in to your CURLOPT_DEBUGFUNCTION(3) in the last void * argument. This pointer is not used by libcurl, it is only passed to the callback.

DEFAULT

NULL

PROTOCOLS

All

EXAMPLE

int main(void)
{
CURL *curl;
CURLcode res;
struct data my_tracedata;

curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);

curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &my_tracedata);

/* the DEBUGFUNCTION has no effect until we enable VERBOSE */
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);

curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
res = curl_easy_perform(curl);

/* always cleanup */
curl_easy_cleanup(curl);
}
return 0;
}

AVAILABILITY

Always

RETURN VALUE

Returns CURLE_OK

SEE ALSO

CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),