CURLOPT_VERBOSE

Section: curl_easy_setopt options (3)
Updated: November 04, 2020
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NAME

CURLOPT_VERBOSE - set verbose mode on/off

SYNOPSIS

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_VERBOSE, long onoff);

DESCRIPTION

Set the onoff parameter to 1 to make the library display a lot of verbose information about its operations on this handle. Very useful for libcurl and/or protocol debugging and understanding. The verbose information will be sent to stderr, or the stream set with CURLOPT_STDERR(3).

You hardly ever want this set in production use, you will almost always want this when you debug/report problems.

To also get all the protocol data sent and received, consider using the CURLOPT_DEBUGFUNCTION(3).

DEFAULT

0, meaning disabled.

PROTOCOLS

All

EXAMPLE

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

  /* ask libcurl to show us the verbose output */
  curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);

  /* Perform the request */
  curl_easy_perform(curl);
}

AVAILABILITY

Always

RETURN VALUE

Returns CURLE_OK