DN/External/curl-8.17.0/docs/libcurl/curl_multi_get_offt.md

1.5 KiB

c SPDX-License-Identifier Title Section Source See-also Protocol Added-in
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. curl curl_multi_get_offt 3 libcurl
curl_multi_add_handle (3)
curl_multi_remove_handle (3)
All
8.16.0

NAME

curl_multi_get_offt - extract information from a multi handle

SYNOPSIS

#include <curl/curl.h>

CURLMcode curl_multi_get_offt(CURLM *multi_handle,
                              CURLMinfo_offt info,
                              curl_off_t *pvalue);

DESCRIPTION

Get the info kept in the multi handle. If the info is not applicable, this function returns CURLM_UNKNOWN_OPTION.

OPTIONS

The following information can be extracted:

CURLMINFO_XFERS_CURRENT

See CURLMINFO_XFERS_CURRENT(3).

CURLMINFO_XFERS_RUNNING

See CURLMINFO_XFERS_RUNNING(3).

CURLMINFO_XFERS_PENDING

See CURLMINFO_XFERS_PENDING(3).

CURLMINFO_XFERS_DONE

See CURLMINFO_XFERS_DONE(3).

CURLMINFO_XFERS_ADDED

See CURLMINFO_XFERS_ADDED(3).

%PROTOCOLS%

EXAMPLE

int main(void)
{
  /* init a multi stack */
  CURLM *multi = curl_multi_init();
  CURL *curl = curl_easy_init();
  curl_off_t n;

  if(curl) {
    /* add the transfer */
    curl_multi_add_handle(multi, curl);

    curl_multi_get_offt(multi, CURLMINFO_XFERS_ADDED, &n);
    /* on successful add, n is 1 */
  }
}

%AVAILABILITY%

RETURN VALUE

This function returns a CURLMcode indicating success or error.

CURLM_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).