table of contents
CURLOPT_SEEKDATA(3) | curl_easy_setopt options | CURLOPT_SEEKDATA(3) |
NAME¶
CURLOPT_SEEKDATA - custom pointer passed to the seek callback
SYNOPSIS¶
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, void *pointer);
DESCRIPTION¶
Data pointer to pass to the seek callback function. If you use the CURLOPT_SEEKFUNCTION(3) option, this is the pointer you'll get as input.
DEFAULT¶
If you don't set this, NULL is passed to the callback.
PROTOCOLS¶
HTTP, FTP, SFTP
EXAMPLE¶
static int seek_cb(void *userp, curl_off_t offset, int origin) {
struct data *d = (struct data *)userp;
lseek(d->our_fd, offset, origin);
return CURL_SEEKFUNC_OK; } {
struct data seek_data;
curl_easy_setopt(CURL *handle, CURLOPT_SEEKFUNCTION, seek_cb);
curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, &seek_data); }
AVAILABILITY¶
Added in 7.18.0
RETURN VALUE¶
SEE ALSO¶
November 4, 2020 | libcurl 7.76.1 |