CURLOPT_DEBUGDATA - Man Page
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
Referenced By
curl_easy_setopt(3), CURLOPT_DEBUGFUNCTION(3).
January 02, 2023 libcurl 7.88.1 curl_easy_setopt options