CURLINFO_SIZE_DOWNLOAD(3)  Library Functions Manual  CURLINFO_SIZE_DOWNLOAD(3)

NAME
       CURLINFO_SIZE_DOWNLOAD - get the number of downloaded bytes

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD, double *dlp);

DESCRIPTION
       Pass a pointer to a double to receive the total amount of bytes that
       were downloaded. The amount is only for the latest transfer and gets
       reset again for each new transfer. This counts actual payload data,
       what's also commonly called body. All meta and header data is excluded
       and not included in this number.

       CURLINFO_SIZE_DOWNLOAD_T(3) is a newer replacement that returns a more
       sensible variable type.

PROTOCOLS
       This functionality affects all supported protocols

EXAMPLE
       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode res;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

           /* Perform the request */
           res = curl_easy_perform(curl);

           if(!res) {
             /* check the size */
             double dl;
             res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &dl);
             if(!res) {
               printf("Downloaded %.0f bytes\n", dl);
             }
           }
         }
       }

DEPRECATED
       Deprecated since 7.55.0.

AVAILABILITY
       Added in curl 7.4.1

RETURN VALUE
       curl_easy_setopt(3) returns a CURLcode indicating success or error.

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

SEE ALSO
       CURLINFO_SIZE_DOWNLOAD_T(3), CURLINFO_SIZE_UPLOAD_T(3),
       CURLOPT_MAXFILESIZE(3), curl_easy_getinfo(3), curl_easy_setopt(3)

libcurl                           2025-02-13         CURLINFO_SIZE_DOWNLOAD(3)