curl/docs/libcurl/opts/CURLINFO_PRIVATE.3
2023-12-04 10:50:42 +01:00

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.TH CURLINFO_PRIVATE 3 "1 Sep 2015" libcurl libcurl
.SH NAME
CURLINFO_PRIVATE \- get the private pointer
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIVATE, char **private);
.fi
.SH DESCRIPTION
Pass a pointer to a char pointer to receive the pointer to the private data
associated with the curl handle (set with the \fICURLOPT_PRIVATE(3)\fP).
Please note that for internal reasons, the value is returned as a char
pointer, although effectively being a 'void *'.
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
void *pointer = (void *)0x2345454;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
/* set the private pointer */
curl_easy_setopt(curl, CURLOPT_PRIVATE, pointer);
res = curl_easy_perform(curl);
/* extract the private pointer again */
res = curl_easy_getinfo(curl, CURLINFO_PRIVATE, &pointer);
if(res)
printf("error: %s\\n", curl_easy_strerror(res));
curl_easy_cleanup(curl);
}
}
.fi
.SH AVAILABILITY
Added in 7.10.3
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR curl_easy_getinfo (3),
.BR curl_easy_setopt (3),
.BR CURLOPT_PRIVATE (3)