Man pages sections > man3 > CURLINFO_CONTENT_LENGTH_DOWNLOAD_T

CURLINFO_CONTENT_LENGTH_DOWNLOAD_T - get content-length of download

CURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3) curl_easy_getinfo options CURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)

NAME

CURLINFO_CONTENT_LENGTH_DOWNLOAD_T - get content-length of download

SYNOPSIS

#include <curl/curl.h>
 
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
curl_off_t *content_length);

DESCRIPTION

Pass a pointer to a curl_off_t to receive the content-length of the download. This is the value read from the Content-Length: field. Stores -1 if the size isn't known.

PROTOCOLS

HTTP(S)

EXAMPLE

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
/* Perform the request */ res = curl_easy_perform(curl);
if(!res) { /* check the size */ curl_off_t cl; res = curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T, &cl); if(!res) { printf("Size: " CURL_FORMAT_CURL_OFF_T "\n", cl); } } }

AVAILABILITY

Added in 7.55.0

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_CONTENT_LENGTH_UPLOAD_T(3),
June 15, 2017 libcurl 7.55.1