CURLINFO_PRIVATE explained
Name
CURLINFO_PRIVATE - get the private pointer
Synopsis
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIVATE, char **private);
Description
Pass a pointer to a char pointer to receive the pointer to the private data associated with the curl handle (set with the CURLOPT_PRIVATE). Please note that for internal reasons, the value is returned as a char pointer, although effectively being a 'void *'.
Protocols
All
Example
CURL *curl = curl_easy_init(); if(curl) { void *pointer = 0x2345454; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin"); /* set the private pointer */ curl_easy_setopt(curl, CURLOPT_PRIVATE, pointer); ret = curl_easy_perform(curl); /* extract the private pointer again */ ret = curl_easy_getinfo(curl, CURLINFO_PRIVATE, &pointer); curl_easy_cleanup(curl); }
Availability
Added in 7.10.3
Return value
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
See also
curl_easy_getinfo(3), curl_easy_setopt(3), CURLOPT_PRIVATE(3)
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