**************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at] haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
**************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at] haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
**************************************************************************
CURLOPT_SEEKDATA 3 "August 12, 2017" "libcurl 7.64.1" "curl_easy_setopt options"
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(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"
CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "
