CURLOPT_SEEKDATA

Section: curl_easy_setopt options (3)
Updated: October 31, 2019
Page Index

 

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

CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
DEFAULT
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO