58 lines
2.0 KiB
Groff
58 lines
2.0 KiB
Groff
.\" **************************************************************************
|
|
.\" * _ _ ____ _
|
|
.\" * Project ___| | | | _ \| |
|
|
.\" * / __| | | | |_) | |
|
|
.\" * | (__| |_| | _ <| |___
|
|
.\" * \___|\___/|_| \_\_____|
|
|
.\" *
|
|
.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@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.
|
|
.\" *
|
|
.\" **************************************************************************
|
|
.\"
|
|
.TH CURLOPT_SEEKDATA 3 "16 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
|
|
.SH NAME
|
|
CURLOPT_SEEKDATA \- custom pointer passed to the seek callback
|
|
.SH SYNOPSIS
|
|
#include <curl/curl.h>
|
|
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, void *pointer);
|
|
.SH DESCRIPTION
|
|
Data \fIpointer\fP to pass to the seek callback function. If you use the
|
|
\fICURLOPT_SEEKFUNCTION(3)\fP option, this is the pointer you'll get as
|
|
input.
|
|
.SH DEFAULT
|
|
If you don't set this, NULL is passed to the callback.
|
|
.SH PROTOCOLS
|
|
HTTP, FTP, SFTP
|
|
.SH EXAMPLE
|
|
.nf
|
|
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);
|
|
}
|
|
.fi
|
|
.SH AVAILABILITY
|
|
Added in 7.18.0
|
|
.SH RETURN VALUE
|
|
.SH "SEE ALSO"
|
|
.BR CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "
|