NAME

CURLOPT_DEBUGFUNCTION - debug callback

SYNOPSIS

#include <curl/curl.h>

typedef enum {   CURLINFO_TEXT = 0,   CURLINFO_HEADER_IN, /* 1 */   CURLINFO_HEADER_OUT, /* 2 */   CURLINFO_DATA_IN, /* 3 */   CURLINFO_DATA_OUT, /* 4 */   CURLINFO_SSL_DATA_IN, /* 5 */   CURLINFO_SSL_DATA_OUT, /* 6 */   CURLINFO_END } curl_infotype;

int debug_callback(CURL *handle,   curl_infotype type,   char *data,   size_t size,   void *userptr);

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DEBUGFUNCTION,   debug_callback);

DESCRIPTION

Pass a pointer to your callback function, which should match the prototype shown above.

CURLOPT_DEBUGFUNCTION replaces the standard debug function used when CURLOPT_VERBOSE is in effect. This callback receives debug information, as specified in the type argument. This function must return 0. The data pointed to by the char * passed to this function WILL NOT be zero terminated, but will be exactly of the size as told by the size argument.

The userptr argument is the pointer set with CURLOPT_DEBUGDATA.

Available curl_infotype values:

CURLINFO_TEXT

The data is informational text.

CURLINFO_HEADER_IN

The data is header (or header-like) data received from the peer.

CURLINFO_HEADER_OUT

The data is header (or header-like) data sent to the peer.

CURLINFO_DATA_IN

The data is protocol data received from the peer.

CURLINFO_DATA_OUT

The data is protocol data sent to the peer.

CURLINFO_SSL_DATA_OUT

The data is SSL/TLS (binary) data sent to the peer.

CURLINFO_SSL_DATA_IN

The data is SSL/TLS (binary) data received from the peer.

DEFAULT

NULL

PROTOCOLS

All

EXAMPLE

http://curl.haxx.se/libcurl/c/debug.html

AVAILABILITY

Always

RETURN VALUE

Returns CURLE_OK

SEE ALSO

CURLOPT_VERBOSE CURLOPT_DEBUGDATA

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